- PorousFlowDictatorThe UserObject that holds the list of PorousFlow variable names
C++ Type:UserObjectName
Description:The UserObject that holds the list of PorousFlow variable names
- componentThe spatial component of the Darcy flux to return
C++ Type:MooseEnum
Description:The spatial component of the Darcy flux to return
- gravityGravitational acceleration vector downwards (m/s^2)
C++ Type:libMesh::VectorValue<double>
Description:Gravitational acceleration vector downwards (m/s^2)
- variableThe name of the variable that this object applies to
C++ Type:AuxVariableName
Description:The name of the variable that this object applies to
PorousFlowDarcyVelocityComponent
Darcy velocity (in m3.s-1.m-2, or m.s-1) -(k_ij * krel /mu (nabla_j P - w_j)), where k_ij is the permeability tensor, krel is the relative permeability, mu is the fluid viscosity, P is the fluid pressure, and w_j is the fluid weight.
This AuxKernel calculates the x, y, or z component of the Darcy velocity for fluid phase . All parameters are defined in the nomenclature.
commentnote
As this AuxKernel uses material properties, only elemental (Monomial) AuxVariables can be used.
Input Parameters
- blockThe list of block ids (SubdomainID) that this object will be applied
C++ Type:std::vector<SubdomainName>
Options:
Description:The list of block ids (SubdomainID) that this object will be applied
- boundaryThe list of boundary IDs from the mesh where this boundary condition applies
C++ Type:std::vector<BoundaryName>
Options:
Description:The list of boundary IDs from the mesh where this boundary condition applies
- check_boundary_restrictedTrueWhether to check for multiple element sides on the boundary in the case of a boundary restricted, element aux variable. Setting this to false will allow contribution to a single element's elemental value(s) from multiple boundary sides on the same element (example: when the restricted boundary exists on two or more sides of an element, such as at a corner of a mesh
Default:True
C++ Type:bool
Options:
Description:Whether to check for multiple element sides on the boundary in the case of a boundary restricted, element aux variable. Setting this to false will allow contribution to a single element's elemental value(s) from multiple boundary sides on the same element (example: when the restricted boundary exists on two or more sides of an element, such as at a corner of a mesh
- execute_onLINEAR TIMESTEP_ENDThe list of flag(s) indicating when this object should be executed, the available options include NONE, INITIAL, LINEAR, NONLINEAR, TIMESTEP_END, TIMESTEP_BEGIN, FINAL, CUSTOM, PRE_DISPLACE.
Default:LINEAR TIMESTEP_END
C++ Type:ExecFlagEnum
Options:NONE, INITIAL, LINEAR, NONLINEAR, TIMESTEP_END, TIMESTEP_BEGIN, FINAL, CUSTOM, PRE_DISPLACE
Description:The list of flag(s) indicating when this object should be executed, the available options include NONE, INITIAL, LINEAR, NONLINEAR, TIMESTEP_END, TIMESTEP_BEGIN, FINAL, CUSTOM, PRE_DISPLACE.
- fluid_phase0The index corresponding to the fluid phase
Default:0
C++ Type:unsigned int
Options:
Description:The index corresponding to the fluid phase
Optional Parameters
- control_tagsAdds user-defined labels for accessing object parameters via control logic.
C++ Type:std::vector<std::string>
Options:
Description:Adds user-defined labels for accessing object parameters via control logic.
- enableTrueSet the enabled status of the MooseObject.
Default:True
C++ Type:bool
Options:
Description:Set the enabled status of the MooseObject.
- seed0The seed for the master random number generator
Default:0
C++ Type:unsigned int
Options:
Description:The seed for the master random number generator
- use_displaced_meshFalseWhether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.
Default:False
C++ Type:bool
Options:
Description:Whether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.
Advanced Parameters
Input Files
- (modules/porous_flow/examples/coal_mining/coarse_with_fluid.i)
- (modules/porous_flow/examples/flow_through_fractured_media/fine_thick_fracture_transient.i)
- (modules/porous_flow/test/tests/aux_kernels/darcy_velocity_lower.i)
- (modules/porous_flow/test/tests/dispersion/disp01.i)
- (modules/porous_flow/test/tests/aux_kernels/darcy_velocity.i)
- (modules/porous_flow/test/tests/dispersion/diff01.i)
- (modules/porous_flow/test/tests/aux_kernels/darcy_velocity_lower_2D.i)
- (modules/porous_flow/test/tests/dispersion/disp01_heavy.i)
- (modules/porous_flow/examples/coal_mining/fine_with_fluid.i)
Child Objects
(modules/porous_flow/examples/coal_mining/coarse_with_fluid.i)
# Strata deformation and fluid flow aaround a coal mine - 3D model
#
# A "half model" is used. The mine is 400m deep and
# just the roof is studied (-400<=z<=0). The mining panel
# sits between 0<=x<=150, and 0<=y<=1000, so this simulates
# a coal panel that is 300m wide and 1000m long. The outer boundaries
# are 1km from the excavation boundaries.
#
# The excavation takes 0.5 years.
#
# The boundary conditions for this simulation are:
# - disp_x = 0 at x=0 and x=1150
# - disp_y = 0 at y=-1000 and y=1000
# - disp_z = 0 at z=-400, but there is a time-dependent
# Young modulus that simulates excavation
# - wc_x = 0 at y=-1000 and y=1000
# - wc_y = 0 at x=0 and x=1150
# - no flow at x=0, z=-400 and z=0
# - fixed porepressure at y=-1000, y=1000 and x=1150
# That is, rollers on the sides, free at top,
# and prescribed at bottom in the unexcavated portion.
#
# A single-phase unsaturated fluid is used.
#
# The small strain formulation is used.
#
# All stresses are measured in MPa, and time units are measured in years.
#
# The initial porepressure is hydrostatic with P=0 at z=0, so
# Porepressure ~ - 0.01*z MPa, where the fluid has density 1E3 kg/m^3 and
# gravity = = 10 m.s^-2 = 1E-5 MPa m^2/kg.
# To be more accurate, i use
# Porepressure = -bulk * log(1 + g*rho0*z/bulk)
# where bulk=2E3 MPa and rho0=1Ee kg/m^3.
# The initial stress is consistent with the weight force from undrained
# density 2500 kg/m^3, and fluid porepressure, and a Biot coefficient of 0.7, ie,
# stress_zz^effective = 0.025*z + 0.7 * initial_porepressure
# The maximum and minimum principal horizontal effective stresses are
# assumed to be equal to 0.8*stress_zz.
#
# Material properties:
# Young's modulus = 8 GPa
# Poisson's ratio = 0.25
# Cosserat layer thickness = 1 m
# Cosserat-joint normal stiffness = large
# Cosserat-joint shear stiffness = 1 GPa
# MC cohesion = 2 MPa
# MC friction angle = 35 deg
# MC dilation angle = 8 deg
# MC tensile strength = 1 MPa
# MC compressive strength = 100 MPa
# WeakPlane cohesion = 0.1 MPa
# WeakPlane friction angle = 30 deg
# WeakPlane dilation angle = 10 deg
# WeakPlane tensile strength = 0.1 MPa
# WeakPlane compressive strength = 100 MPa softening to 1 MPa at strain = 1
# Fluid density at zero porepressure = 1E3 kg/m^3
# Fluid bulk modulus = 2E3 MPa
# Fluid viscosity = 1.1E-3 Pa.s = 1.1E-9 MPa.s = 3.5E-17 MPa.year
#
[GlobalParams]
perform_finite_strain_rotations = false
displacements = 'disp_x disp_y disp_z'
Cosserat_rotations = 'wc_x wc_y wc_z'
PorousFlowDictator = dictator
biot_coefficient = 0.7
[]
[Mesh]
[file]
type = FileMeshGenerator
file = mesh/coarse.e
[]
[xmin]
type = SideSetsAroundSubdomainGenerator
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16'
new_boundary = xmin
normal = '-1 0 0'
input = file
[]
[xmax]
type = SideSetsAroundSubdomainGenerator
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16'
new_boundary = xmax
normal = '1 0 0'
input = xmin
[]
[ymin]
type = SideSetsAroundSubdomainGenerator
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16'
new_boundary = ymin
normal = '0 -1 0'
input = xmax
[]
[ymax]
type = SideSetsAroundSubdomainGenerator
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16'
new_boundary = ymax
normal = '0 1 0'
input = ymin
[]
[zmax]
type = SideSetsAroundSubdomainGenerator
block = 16
new_boundary = zmax
normal = '0 0 1'
input = ymax
[]
[zmin]
type = SideSetsAroundSubdomainGenerator
block = 2
new_boundary = zmin
normal = '0 0 -1'
input = zmax
[]
[excav]
type = SubdomainBoundingBoxGenerator
input = zmin
block_id = 1
bottom_left = '0 0 -400'
top_right = '150 1000 -397'
[]
[roof]
type = SideSetsBetweenSubdomainsGenerator
primary_block = 3
paired_block = 1
input = excav
new_boundary = roof
[]
[]
[Variables]
[disp_x]
[]
[disp_y]
[]
[disp_z]
[]
[wc_x]
[]
[wc_y]
[]
[porepressure]
scaling = 1E-5
[]
[]
[ICs]
[porepressure]
type = FunctionIC
variable = porepressure
function = ini_pp
[]
[]
[Kernels]
[cx_elastic]
type = CosseratStressDivergenceTensors
use_displaced_mesh = false
variable = disp_x
component = 0
[]
[cy_elastic]
type = CosseratStressDivergenceTensors
use_displaced_mesh = false
variable = disp_y
component = 1
[]
[cz_elastic]
type = CosseratStressDivergenceTensors
use_displaced_mesh = false
variable = disp_z
component = 2
[]
[x_couple]
type = StressDivergenceTensors
use_displaced_mesh = false
variable = wc_x
displacements = 'wc_x wc_y wc_z'
component = 0
base_name = couple
[]
[y_couple]
type = StressDivergenceTensors
use_displaced_mesh = false
variable = wc_y
displacements = 'wc_x wc_y wc_z'
component = 1
base_name = couple
[]
[x_moment]
type = MomentBalancing
use_displaced_mesh = false
variable = wc_x
component = 0
[]
[y_moment]
type = MomentBalancing
use_displaced_mesh = false
variable = wc_y
component = 1
[]
[gravity]
type = Gravity
use_displaced_mesh = false
variable = disp_z
value = -10E-6 # remember this is in MPa
[]
[poro_x]
type = PorousFlowEffectiveStressCoupling
use_displaced_mesh = false
variable = disp_x
component = 0
[]
[poro_y]
type = PorousFlowEffectiveStressCoupling
use_displaced_mesh = false
variable = disp_y
component = 1
[]
[poro_z]
type = PorousFlowEffectiveStressCoupling
use_displaced_mesh = false
component = 2
variable = disp_z
[]
[mass0]
type = PorousFlowMassTimeDerivative
use_displaced_mesh = false
fluid_component = 0
variable = porepressure
[]
[flux]
type = PorousFlowAdvectiveFlux
use_displaced_mesh = false
variable = porepressure
gravity = '0 0 -10E-6'
fluid_component = 0
[]
[poro_vol_exp]
type = PorousFlowMassVolumetricExpansion
use_displaced_mesh = false
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16'
variable = porepressure
fluid_component = 0
[]
[]
[AuxVariables]
[saturation]
order = CONSTANT
family = MONOMIAL
[]
[darcy_x]
order = CONSTANT
family = MONOMIAL
[]
[darcy_y]
order = CONSTANT
family = MONOMIAL
[]
[darcy_z]
order = CONSTANT
family = MONOMIAL
[]
[porosity]
order = CONSTANT
family = MONOMIAL
[]
[wc_z]
[]
[stress_xx]
order = CONSTANT
family = MONOMIAL
[]
[stress_xy]
order = CONSTANT
family = MONOMIAL
[]
[stress_xz]
order = CONSTANT
family = MONOMIAL
[]
[stress_yx]
order = CONSTANT
family = MONOMIAL
[]
[stress_yy]
order = CONSTANT
family = MONOMIAL
[]
[stress_yz]
order = CONSTANT
family = MONOMIAL
[]
[stress_zx]
order = CONSTANT
family = MONOMIAL
[]
[stress_zy]
order = CONSTANT
family = MONOMIAL
[]
[stress_zz]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_xx]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_xy]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_xz]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_yx]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_yy]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_yz]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_zx]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_zy]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_zz]
order = CONSTANT
family = MONOMIAL
[]
[perm_xx]
order = CONSTANT
family = MONOMIAL
[]
[perm_yy]
order = CONSTANT
family = MONOMIAL
[]
[perm_zz]
order = CONSTANT
family = MONOMIAL
[]
[mc_shear]
order = CONSTANT
family = MONOMIAL
[]
[mc_tensile]
order = CONSTANT
family = MONOMIAL
[]
[wp_shear]
order = CONSTANT
family = MONOMIAL
[]
[wp_tensile]
order = CONSTANT
family = MONOMIAL
[]
[wp_shear_f]
order = CONSTANT
family = MONOMIAL
[]
[wp_tensile_f]
order = CONSTANT
family = MONOMIAL
[]
[mc_shear_f]
order = CONSTANT
family = MONOMIAL
[]
[mc_tensile_f]
order = CONSTANT
family = MONOMIAL
[]
[]
[AuxKernels]
[saturation_water]
type = PorousFlowPropertyAux
variable = saturation
property = saturation
phase = 0
execute_on = timestep_end
[]
[darcy_x]
type = PorousFlowDarcyVelocityComponent
variable = darcy_x
gravity = '0 0 -10E-6'
component = x
[]
[darcy_y]
type = PorousFlowDarcyVelocityComponent
variable = darcy_y
gravity = '0 0 -10E-6'
component = y
[]
[darcy_z]
type = PorousFlowDarcyVelocityComponent
variable = darcy_z
gravity = '0 0 -10E-6'
component = z
[]
[porosity]
type = PorousFlowPropertyAux
property = porosity
variable = porosity
execute_on = timestep_end
[]
[stress_xx]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_xx
index_i = 0
index_j = 0
execute_on = timestep_end
[]
[stress_xy]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_xy
index_i = 0
index_j = 1
execute_on = timestep_end
[]
[stress_xz]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_xz
index_i = 0
index_j = 2
execute_on = timestep_end
[]
[stress_yx]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_yx
index_i = 1
index_j = 0
execute_on = timestep_end
[]
[stress_yy]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_yy
index_i = 1
index_j = 1
execute_on = timestep_end
[]
[stress_yz]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_yz
index_i = 1
index_j = 2
execute_on = timestep_end
[]
[stress_zx]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_zx
index_i = 2
index_j = 0
execute_on = timestep_end
[]
[stress_zy]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_zy
index_i = 2
index_j = 1
execute_on = timestep_end
[]
[stress_zz]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_zz
index_i = 2
index_j = 2
execute_on = timestep_end
[]
[total_strain_xx]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_xx
index_i = 0
index_j = 0
execute_on = timestep_end
[]
[total_strain_xy]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_xy
index_i = 0
index_j = 1
execute_on = timestep_end
[]
[total_strain_xz]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_xz
index_i = 0
index_j = 2
execute_on = timestep_end
[]
[total_strain_yx]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_yx
index_i = 1
index_j = 0
execute_on = timestep_end
[]
[total_strain_yy]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_yy
index_i = 1
index_j = 1
execute_on = timestep_end
[]
[total_strain_yz]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_yz
index_i = 1
index_j = 2
execute_on = timestep_end
[]
[total_strain_zx]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_zx
index_i = 2
index_j = 0
execute_on = timestep_end
[]
[total_strain_zy]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_zy
index_i = 2
index_j = 1
execute_on = timestep_end
[]
[total_strain_zz]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_zz
index_i = 2
index_j = 2
execute_on = timestep_end
[]
[perm_xx]
type = PorousFlowPropertyAux
property = permeability
variable = perm_xx
row = 0
column = 0
execute_on = timestep_end
[]
[perm_yy]
type = PorousFlowPropertyAux
property = permeability
variable = perm_yy
row = 1
column = 1
execute_on = timestep_end
[]
[perm_zz]
type = PorousFlowPropertyAux
property = permeability
variable = perm_zz
row = 2
column = 2
execute_on = timestep_end
[]
[mc_shear]
type = MaterialStdVectorAux
index = 0
property = mc_plastic_internal_parameter
variable = mc_shear
execute_on = timestep_end
[]
[mc_tensile]
type = MaterialStdVectorAux
index = 1
property = mc_plastic_internal_parameter
variable = mc_tensile
execute_on = timestep_end
[]
[wp_shear]
type = MaterialStdVectorAux
index = 0
property = wp_plastic_internal_parameter
variable = wp_shear
execute_on = timestep_end
[]
[wp_tensile]
type = MaterialStdVectorAux
index = 1
property = wp_plastic_internal_parameter
variable = wp_tensile
execute_on = timestep_end
[]
[mc_shear_f]
type = MaterialStdVectorAux
index = 6
property = mc_plastic_yield_function
variable = mc_shear_f
execute_on = timestep_end
[]
[mc_tensile_f]
type = MaterialStdVectorAux
index = 0
property = mc_plastic_yield_function
variable = mc_tensile_f
execute_on = timestep_end
[]
[wp_shear_f]
type = MaterialStdVectorAux
index = 0
property = wp_plastic_yield_function
variable = wp_shear_f
execute_on = timestep_end
[]
[wp_tensile_f]
type = MaterialStdVectorAux
index = 1
property = wp_plastic_yield_function
variable = wp_tensile_f
execute_on = timestep_end
[]
[]
[BCs]
[no_x]
type = DirichletBC
variable = disp_x
boundary = 'xmin xmax'
value = 0.0
[]
[no_y]
type = DirichletBC
variable = disp_y
boundary = 'ymin ymax'
value = 0.0
[]
[no_z]
type = DirichletBC
variable = disp_z
boundary = zmin
value = 0.0
[]
[no_wc_x]
type = DirichletBC
variable = wc_x
boundary = 'ymin ymax'
value = 0.0
[]
[no_wc_y]
type = DirichletBC
variable = wc_y
boundary = 'xmin xmax'
value = 0.0
[]
[fix_porepressure]
type = FunctionDirichletBC
variable = porepressure
boundary = 'ymin ymax xmax'
function = ini_pp
[]
[roof_porepressure]
type = PorousFlowPiecewiseLinearSink
variable = porepressure
pt_vals = '-1E3 1E3'
multipliers = '-1 1'
fluid_phase = 0
flux_function = roof_conductance
boundary = roof
[]
[roof_bcs]
type = StickyBC
variable = disp_z
min_value = -3.0
boundary = roof
[]
[]
[Functions]
[ini_pp]
type = ParsedFunction
vars = 'bulk p0 g rho0'
vals = '2E3 0.0 1E-5 1E3'
value = '-bulk*log(exp(-p0/bulk)+g*rho0*z/bulk)'
[]
[ini_xx]
type = ParsedFunction
vars = 'bulk p0 g rho0 biot'
vals = '2E3 0.0 1E-5 1E3 0.7'
value = '0.8*(2500*10E-6*z+biot*(-bulk*log(exp(-p0/bulk)+g*rho0*z/bulk)))'
[]
[ini_zz]
type = ParsedFunction
vars = 'bulk p0 g rho0 biot'
vals = '2E3 0.0 1E-5 1E3 0.7'
value = '2500*10E-6*z+biot*(-bulk*log(exp(-p0/bulk)+g*rho0*z/bulk))'
[]
[excav_sideways]
type = ParsedFunction
vars = 'end_t ymin ymax minval maxval slope'
vals = '0.5 0 1000.0 1E-9 1 60'
# excavation face at ymin+(ymax-ymin)*min(t/end_t,1)
# slope is the distance over which the modulus reduces from maxval to minval
value = 'if(y<ymin+(ymax-ymin)*min(t/end_t,1),minval,if(y<ymin+(ymax-ymin)*min(t/end_t,1)+slope,minval+(maxval-minval)*(y-(ymin+(ymax-ymin)*min(t/end_t,1)))/slope,maxval))'
[]
[density_sideways]
type = ParsedFunction
vars = 'end_t ymin ymax minval maxval'
vals = '0.5 0 1000.0 0 2500'
value = 'if(y<ymin+(ymax-ymin)*min(t/end_t,1),minval,maxval)'
[]
[roof_conductance]
type = ParsedFunction
vars = 'end_t ymin ymax maxval minval'
vals = '0.5 0 1000.0 1E7 0'
value = 'if(y<ymin+(ymax-ymin)*min(t/end_t,1),maxval,minval)'
[]
[]
[UserObjects]
[dictator]
type = PorousFlowDictator
porous_flow_vars = 'porepressure disp_x disp_y disp_z'
number_fluid_phases = 1
number_fluid_components = 1
[]
[pc]
type = PorousFlowCapillaryPressureVG
m = 0.5
alpha = 1 # MPa^-1
[]
[mc_coh_strong_harden]
type = TensorMechanicsHardeningExponential
value_0 = 1.99 # MPa
value_residual = 2.01 # MPa
rate = 1.0
[]
[mc_fric]
type = TensorMechanicsHardeningConstant
value = 0.61 # 35deg
[]
[mc_dil]
type = TensorMechanicsHardeningConstant
value = 0.15 # 8deg
[]
[mc_tensile_str_strong_harden]
type = TensorMechanicsHardeningExponential
value_0 = 1.0 # MPa
value_residual = 1.0 # MPa
rate = 1.0
[]
[mc_compressive_str]
type = TensorMechanicsHardeningCubic
value_0 = 100 # Large!
value_residual = 100
internal_limit = 0.1
[]
[wp_coh_harden]
type = TensorMechanicsHardeningCubic
value_0 = 0.05
value_residual = 0.05
internal_limit = 10
[]
[wp_tan_fric]
type = TensorMechanicsHardeningConstant
value = 0.26 # 15deg
[]
[wp_tan_dil]
type = TensorMechanicsHardeningConstant
value = 0.18 # 10deg
[]
[wp_tensile_str_harden]
type = TensorMechanicsHardeningCubic
value_0 = 0.05
value_residual = 0.05
internal_limit = 10
[]
[wp_compressive_str_soften]
type = TensorMechanicsHardeningCubic
value_0 = 100
value_residual = 1
internal_limit = 1.0
[]
[]
[Modules]
[FluidProperties]
[simple_fluid]
type = SimpleFluidProperties
bulk_modulus = 2E3
density0 = 1000
thermal_expansion = 0
viscosity = 3.5E-17
[]
[]
[]
[Materials]
[temperature]
type = PorousFlowTemperature
[]
[eff_fluid_pressure]
type = PorousFlowEffectiveFluidPressure
[]
[vol_strain]
type = PorousFlowVolumetricStrain
[]
[ppss]
type = PorousFlow1PhaseP
porepressure = porepressure
capillary_pressure = pc
[]
[massfrac]
type = PorousFlowMassFraction
[]
[simple_fluid]
type = PorousFlowSingleComponentFluid
fp = simple_fluid
phase = 0
[]
[porosity_bulk]
type = PorousFlowPorosity
fluid = true
mechanical = true
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16'
ensure_positive = true
porosity_zero = 0.02
solid_bulk = 5.3333E3
[]
[porosity_excav]
type = PorousFlowPorosityConst
block = 1
porosity = 1.0
[]
[permeability_bulk]
type = PorousFlowPermeabilityKozenyCarman
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16'
poroperm_function = kozeny_carman_phi0
k0 = 1E-15
phi0 = 0.02
n = 2
m = 2
[]
[permeability_excav]
type = PorousFlowPermeabilityConst
block = 1
permeability = '0 0 0 0 0 0 0 0 0'
[]
[relperm]
type = PorousFlowRelativePermeabilityCorey
n = 4
s_res = 0.4
sum_s_res = 0.4
phase = 0
[]
[elasticity_tensor_0]
type = ComputeLayeredCosseratElasticityTensor
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16'
young = 8E3 # MPa
poisson = 0.25
layer_thickness = 1.0
joint_normal_stiffness = 1E9 # huge
joint_shear_stiffness = 1E3 # MPa
[]
[elasticity_tensor_1]
type = ComputeLayeredCosseratElasticityTensor
block = 1
young = 8E3 # MPa
poisson = 0.25
layer_thickness = 1.0
joint_normal_stiffness = 1E9 # huge
joint_shear_stiffness = 1E3 # MPa
elasticity_tensor_prefactor = excav_sideways
[]
[strain]
type = ComputeCosseratIncrementalSmallStrain
eigenstrain_names = ini_stress
[]
[ini_stress]
type = ComputeEigenstrainFromInitialStress
eigenstrain_name = ini_stress
initial_stress = 'ini_xx 0 0 0 ini_xx 0 0 0 ini_zz'
[]
[stress_0]
type = ComputeMultipleInelasticCosseratStress
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16'
inelastic_models = 'mc wp'
cycle_models = true
relative_tolerance = 2.0
absolute_tolerance = 1E6
max_iterations = 1
tangent_operator = nonlinear
perform_finite_strain_rotations = false
[]
[stress_1]
type = ComputeMultipleInelasticCosseratStress
block = 1
inelastic_models = ''
relative_tolerance = 2.0
absolute_tolerance = 1E6
max_iterations = 1
tangent_operator = nonlinear
perform_finite_strain_rotations = false
[]
[mc]
type = CappedMohrCoulombCosseratStressUpdate
warn_about_precision_loss = false
host_youngs_modulus = 8E3
host_poissons_ratio = 0.25
base_name = mc
tensile_strength = mc_tensile_str_strong_harden
compressive_strength = mc_compressive_str
cohesion = mc_coh_strong_harden
friction_angle = mc_fric
dilation_angle = mc_dil
max_NR_iterations = 100000
smoothing_tol = 0.1 # MPa # Must be linked to cohesion
yield_function_tol = 1E-9 # MPa. this is essentially the lowest possible without lots of precision loss
perfect_guess = true
min_step_size = 1.0
[]
[wp]
type = CappedWeakPlaneCosseratStressUpdate
warn_about_precision_loss = false
base_name = wp
cohesion = wp_coh_harden
tan_friction_angle = wp_tan_fric
tan_dilation_angle = wp_tan_dil
tensile_strength = wp_tensile_str_harden
compressive_strength = wp_compressive_str_soften
max_NR_iterations = 10000
tip_smoother = 0.05
smoothing_tol = 0.05 # MPa # Note, this must be tied to cohesion, otherwise get no possible return at cone apex
yield_function_tol = 1E-11 # MPa. this is essentially the lowest possible without lots of precision loss
perfect_guess = true
min_step_size = 1.0E-3
[]
[undrained_density_0]
type = GenericConstantMaterial
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16'
prop_names = density
prop_values = 2500
[]
[undrained_density_1]
type = GenericFunctionMaterial
block = 1
prop_names = density
prop_values = density_sideways
[]
[]
[Preconditioning]
[SMP]
type = SMP
full = true
[]
[]
[Postprocessors]
[min_roof_disp]
type = NodalExtremeValue
boundary = roof
value_type = min
variable = disp_z
[]
[min_roof_pp]
type = NodalExtremeValue
boundary = roof
value_type = min
variable = porepressure
[]
[min_surface_disp]
type = NodalExtremeValue
boundary = zmax
value_type = min
variable = disp_z
[]
[min_surface_pp]
type = NodalExtremeValue
boundary = zmax
value_type = min
variable = porepressure
[]
[max_perm_zz]
type = ElementExtremeValue
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16'
variable = perm_zz
[]
[]
[Executioner]
type = Transient
solve_type = 'NEWTON'
petsc_options = '-snes_converged_reason'
# best overall
# petsc_options_iname = '-pc_type -pc_factor_mat_solver_package'
# petsc_options_value = ' lu mumps'
# best if you do not have mumps:
petsc_options_iname = '-pc_type -pc_factor_mat_solver_package'
petsc_options_value = ' lu superlu_dist'
# best if you do not have mumps or superlu_dist:
#petsc_options_iname = '-pc_type -pc_asm_overlap -sub_pc_type -ksp_type -ksp_gmres_restart'
#petsc_options_value = ' asm 2 lu gmres 200'
# very basic:
#petsc_options_iname = '-pc_type -ksp_type -ksp_gmres_restart'
#petsc_options_value = ' bjacobi gmres 200'
line_search = bt
nl_abs_tol = 1e-3
nl_rel_tol = 1e-5
l_max_its = 200
nl_max_its = 30
start_time = 0.0
dt = 0.014706
end_time = 0.014706 #0.5
[]
[Outputs]
interval = 1
print_linear_residuals = true
exodus = true
csv = true
console = true
[]
(modules/porous_flow/examples/flow_through_fractured_media/fine_thick_fracture_transient.i)
# Using a single-dimensional mesh
# Transient flow and solute transport along a fracture in a porous matrix
# advective dominated flow in the fracture and diffusion into the porous matrix
#
# Note that fine_thick_fracture_steady.i must be run to initialise the porepressure properly
[Mesh]
file = 'gold/fine_thick_fracture_steady_out.e'
[]
[GlobalParams]
PorousFlowDictator = dictator
gravity = '0 0 0'
[]
[Variables]
[pp]
initial_from_file_var = pp
initial_from_file_timestep = 1
[]
[massfrac0]
[]
[]
[AuxVariables]
[velocity_x]
family = MONOMIAL
order = CONSTANT
block = fracture
[]
[velocity_y]
family = MONOMIAL
order = CONSTANT
block = fracture
[]
[]
[AuxKernels]
[velocity_x]
type = PorousFlowDarcyVelocityComponent
variable = velocity_x
component = x
[]
[velocity_y]
type = PorousFlowDarcyVelocityComponent
variable = velocity_y
component = y
[]
[]
[ICs]
[massfrac0]
type = ConstantIC
variable = massfrac0
value = 0
[]
[]
[BCs]
[top]
type = DirichletBC
value = 0
variable = massfrac0
boundary = top
[]
[bottom]
type = DirichletBC
value = 1
variable = massfrac0
boundary = bottom
[]
[ptop]
type = DirichletBC
variable = pp
boundary = top
value = 1e6
[]
[pbottom]
type = DirichletBC
variable = pp
boundary = bottom
value = 1.002e6
[]
[]
[Kernels]
[mass0]
type = PorousFlowMassTimeDerivative
fluid_component = 0
variable = pp
[]
[adv0]
type = PorousFlowAdvectiveFlux
fluid_component = 0
variable = pp
[]
[diff0]
type = PorousFlowDispersiveFlux
fluid_component = 0
variable = pp
disp_trans = 0
disp_long = 0
[]
[mass1]
type = PorousFlowMassTimeDerivative
fluid_component = 1
variable = massfrac0
[]
[adv1]
type = PorousFlowAdvectiveFlux
fluid_component = 1
variable = massfrac0
[]
[diff1]
type = PorousFlowDispersiveFlux
fluid_component = 1
variable = massfrac0
disp_trans = 0
disp_long = 0
[]
[]
[UserObjects]
[dictator]
type = PorousFlowDictator
porous_flow_vars = 'pp massfrac0'
number_fluid_phases = 1
number_fluid_components = 2
[]
[]
[Modules]
[FluidProperties]
[simple_fluid]
type = SimpleFluidProperties
bulk_modulus = 2e9
density0 = 1000
thermal_expansion = 0
viscosity = 1e-3
[]
[]
[]
[Materials]
[temperature]
type = PorousFlowTemperature
[]
[ppss]
type = PorousFlow1PhaseFullySaturated
porepressure = pp
[]
[massfrac]
type = PorousFlowMassFraction
mass_fraction_vars = massfrac0
[]
[simple_fluid]
type = PorousFlowSingleComponentFluid
fp = simple_fluid
phase = 0
[]
[poro_fracture]
type = PorousFlowPorosityConst
porosity = 1.0 # this is the true porosity of the fracture
block = 'fracture'
[]
[poro_matrix]
type = PorousFlowPorosityConst
porosity = 0.1
block = 'matrix1 matrix2'
[]
[diff1]
type = PorousFlowDiffusivityConst
diffusion_coeff = '1e-9 1e-9'
tortuosity = 1.0
block = 'fracture'
[]
[diff2]
type = PorousFlowDiffusivityConst
diffusion_coeff = '1e-9 1e-9'
tortuosity = 0.1
block = 'matrix1 matrix2'
[]
[relp]
type = PorousFlowRelativePermeabilityConst
phase = 0
[]
[permeability1]
type = PorousFlowPermeabilityConst
permeability = '3e-8 0 0 0 3e-8 0 0 0 3e-8' # this is the true permeability of the fracture
block = 'fracture'
[]
[permeability2]
type = PorousFlowPermeabilityConst
permeability = '1e-20 0 0 0 1e-20 0 0 0 1e-20'
block = 'matrix1 matrix2'
[]
[]
[Functions]
[dt_controller]
type = PiecewiseConstant
x = '0 30 40 100 200 83200'
y = '0.01 0.1 1 10 100 32'
[]
[]
[Preconditioning]
active = basic
[mumps_is_best_for_parallel_jobs]
type = SMP
full = true
petsc_options_iname = '-pc_type -pc_factor_mat_solver_package'
petsc_options_value = ' lu mumps'
[]
[basic]
type = SMP
full = true
petsc_options_iname = '-ksp_type -pc_type -sub_pc_type -sub_pc_factor_shift_type -pc_asm_overlap'
petsc_options_value = 'gmres asm lu NONZERO 2 '
[]
[]
[Executioner]
type = Transient
solve_type = NEWTON
end_time = 86400
#dt = 0.01
[TimeStepper]
type = FunctionDT
function = dt_controller
[]
# controls for nonlinear iterations
nl_max_its = 15
nl_rel_tol = 1e-14
nl_abs_tol = 1e-9
[]
[VectorPostprocessors]
[xmass]
type = LineValueSampler
start_point = '0.4 0 0'
end_point = '0.5 0 0'
sort_by = x
num_points = 167
variable = massfrac0
[]
[]
[Outputs]
perf_graph = true
console = true
csv = true
exodus = true
[]
(modules/porous_flow/test/tests/aux_kernels/darcy_velocity_lower.i)
# checking that the PorousFlowDarcyVelocityComponentLowerDimensional AuxKernel works as expected
# for the fully-saturated case (relative-permeability = 1)
# The fractured_block.e has size = 10x10x10, and a fracture running through its
# centre, with normal = (0, -sin(20deg), cos(20deg))
# Porepressure is initialised to grad(P) = (0, 0, 1)
# Fluid_density = 2
# viscosity = 10
# relative_permeability = 1
# permeability = (5, 5, 5) (in the bulk)
# permeability = (10, 10, 10) (in the fracture)
# aperture = 1
# gravity = (1, 0.5, 0.2)
# So Darcy velocity in the bulk = (1, 0.5, -0.3)
# in the fracture grad(P) = (0, 0.3213938, 0.11697778)
# In the fracture the projected gravity vector is
# tangential_gravity = (1, 0.5057899, 0.18409245)
# So the Darcy velocity in the fracture = (2, 0.690186, 0.251207)
[Mesh]
type = FileMesh
file = fractured_block.e
[]
[GlobalParams]
PorousFlowDictator = dictator
gravity = '1 0.5 0.2'
[]
[Variables]
[pp]
[]
[]
[ICs]
[pinit]
type = FunctionIC
function = z
variable = pp
[]
[]
[Kernels]
[dummy]
type = TimeDerivative
variable = pp
[]
[]
[AuxVariables]
[bulk_vel_x]
order = CONSTANT
family = MONOMIAL
[]
[bulk_vel_y]
order = CONSTANT
family = MONOMIAL
[]
[bulk_vel_z]
order = CONSTANT
family = MONOMIAL
[]
[fracture_vel_x]
order = CONSTANT
family = MONOMIAL
block = 3
[]
[fracture_vel_y]
order = CONSTANT
family = MONOMIAL
block = 3
[]
[fracture_vel_z]
order = CONSTANT
family = MONOMIAL
block = 3
[]
[]
[AuxKernels]
[bulk_vel_x]
type = PorousFlowDarcyVelocityComponent
variable = bulk_vel_x
component = x
fluid_phase = 0
[]
[bulk_vel_y]
type = PorousFlowDarcyVelocityComponent
variable = bulk_vel_y
component = y
fluid_phase = 0
[]
[bulk_vel_z]
type = PorousFlowDarcyVelocityComponent
variable = bulk_vel_z
component = z
fluid_phase = 0
[]
[fracture_vel_x]
type = PorousFlowDarcyVelocityComponentLowerDimensional
variable = fracture_vel_x
component = x
fluid_phase = 0
[]
[fracture_vel_y]
type = PorousFlowDarcyVelocityComponentLowerDimensional
variable = fracture_vel_y
component = y
fluid_phase = 0
[]
[fracture_vel_z]
type = PorousFlowDarcyVelocityComponentLowerDimensional
variable = fracture_vel_z
component = z
fluid_phase = 0
[]
[]
[UserObjects]
[dictator]
type = PorousFlowDictator
porous_flow_vars = 'pp'
number_fluid_phases = 1
number_fluid_components = 1
[]
[pc]
type = PorousFlowCapillaryPressureConst
pc = 0
[]
[]
[Modules]
[FluidProperties]
[simple_fluid]
type = SimpleFluidProperties
bulk_modulus = 1E16
viscosity = 10
density0 = 2
thermal_expansion = 0
[]
[]
[]
[Postprocessors]
[bulk_vel_x]
type = ElementAverageValue
block = 1
variable = bulk_vel_x
[]
[bulk_vel_y]
type = ElementAverageValue
block = 1
variable = bulk_vel_y
[]
[bulk_vel_z]
type = ElementAverageValue
block = 1
variable = bulk_vel_z
[]
[fracture_vel_x]
type = ElementAverageValue
block = 3
variable = fracture_vel_x
[]
[fracture_vel_y]
type = ElementAverageValue
block = 3
variable = fracture_vel_y
[]
[fracture_vel_z]
type = ElementAverageValue
block = 3
variable = fracture_vel_z
[]
[]
[Materials]
[temperature]
type = PorousFlowTemperature
[]
[ppss]
type = PorousFlow1PhaseP
porepressure = pp
capillary_pressure = pc
[]
[simple_fluid]
type = PorousFlowSingleComponentFluid
fp = simple_fluid
phase = 0
[]
[permeability]
type = PorousFlowPermeabilityConst
permeability = '5 0 0 0 5 0 0 0 5'
block = '1 2'
[]
[permeability_fracture]
type = PorousFlowPermeabilityConst
permeability = '10 0 0 0 10 0 0 0 10'
block = 3
[]
[relperm]
type = PorousFlowRelativePermeabilityCorey
n = 2
phase = 0
[]
[]
[Executioner]
type = Transient
dt = 1
end_time = 1
[]
[Outputs]
csv = true
[]
(modules/porous_flow/test/tests/dispersion/disp01.i)
# Test dispersive part of PorousFlowDispersiveFlux kernel by setting diffusion
# coefficients to zero. A pressure gradient is applied over the mesh to give a
# uniform velocity. Gravity is set to zero.
# Mass fraction is set to 1 on the left hand side and 0 on the right hand side.
[Mesh]
type = GeneratedMesh
dim = 1
nx = 100
xmax = 10
[]
[GlobalParams]
PorousFlowDictator = dictator
gravity = '0 0 0'
[]
[Variables]
[pp]
[]
[massfrac0]
[]
[]
[AuxVariables]
[velocity]
family = MONOMIAL
order = FIRST
[]
[]
[AuxKernels]
[velocity]
type = PorousFlowDarcyVelocityComponent
variable = velocity
component = x
[]
[]
[ICs]
[pp]
type = FunctionIC
variable = pp
function = pic
[]
[massfrac0]
type = ConstantIC
variable = massfrac0
value = 0
[]
[]
[Functions]
[pic]
type = ParsedFunction
value = 1.1e5-x*1e3
[]
[]
[BCs]
[xleft]
type = DirichletBC
value = 1
variable = massfrac0
boundary = left
[]
[xright]
type = DirichletBC
value = 0
variable = massfrac0
boundary = right
[]
[pright]
type = DirichletBC
variable = pp
boundary = right
value = 1e5
[]
[pleft]
type = DirichletBC
variable = pp
boundary = left
value = 1.1e5
[]
[]
[Kernels]
[mass0]
type = PorousFlowMassTimeDerivative
fluid_component = 0
variable = pp
[]
[adv0]
type = PorousFlowAdvectiveFlux
fluid_component = 0
variable = pp
[]
[diff0]
type = PorousFlowDispersiveFlux
variable = pp
disp_trans = 0
disp_long = 0.2
[]
[mass1]
type = PorousFlowMassTimeDerivative
fluid_component = 1
variable = massfrac0
[]
[adv1]
type = PorousFlowAdvectiveFlux
fluid_component = 1
variable = massfrac0
[]
[diff1]
type = PorousFlowDispersiveFlux
fluid_component = 1
variable = massfrac0
disp_trans = 0
disp_long = 0.2
[]
[]
[UserObjects]
[dictator]
type = PorousFlowDictator
porous_flow_vars = 'pp massfrac0'
number_fluid_phases = 1
number_fluid_components = 2
[]
[]
[Modules]
[FluidProperties]
[simple_fluid]
type = SimpleFluidProperties
bulk_modulus = 1e9
density0 = 1000
viscosity = 0.001
thermal_expansion = 0
[]
[]
[]
[Materials]
[temperature]
type = PorousFlowTemperature
[]
[ppss]
type = PorousFlow1PhaseFullySaturated
porepressure = pp
[]
[massfrac]
type = PorousFlowMassFraction
mass_fraction_vars = massfrac0
[]
[simple_fluid]
type = PorousFlowSingleComponentFluid
fp = simple_fluid
phase = 0
[]
[poro]
type = PorousFlowPorosityConst
porosity = 0.3
[]
[diff]
type = PorousFlowDiffusivityConst
diffusion_coeff = '0 0'
tortuosity = 0.1
[]
[relp]
type = PorousFlowRelativePermeabilityConst
phase = 0
[]
[permeability]
type = PorousFlowPermeabilityConst
permeability = '1e-9 0 0 0 1e-9 0 0 0 1e-9'
[]
[]
[Preconditioning]
[smp]
type = SMP
full = true
petsc_options_iname = '-ksp_type -pc_type -sub_pc_type -sub_pc_factor_shift_type -pc_asm_overlap'
petsc_options_value = 'gmres asm lu NONZERO 2 '
[]
[]
[Executioner]
type = Transient
solve_type = NEWTON
end_time = 1e3
dtmax = 50
[TimeStepper]
type = IterationAdaptiveDT
growth_factor = 1.5
cutback_factor = 0.5
dt = 1
[]
[]
[VectorPostprocessors]
[xmass]
type = NodalValueSampler
sort_by = id
variable = massfrac0
[]
[]
[Outputs]
[out]
type = CSV
execute_on = final
[]
[]
(modules/porous_flow/test/tests/aux_kernels/darcy_velocity.i)
# checking that the PorousFlowDarcyVelocityComponent AuxKernel works as expected
# for the fully-saturated case (relative-permeability = 1)
# There is one element, of unit size. The pressures and fluid densities at the qps are:
# (x,y,z)=( 0.211325 , 0.211325 , 0.211325 ). p = 1.479 rho = 3.217
# (x,y,z)=( 0.788675 , 0.211325 , 0.211325 ). p = 2.057 rho = 4.728
# (x,y,z)=( 0.211325 , 0.788675 , 0.211325 ). p = 2.634 rho = 6.947
# (x,y,z)=( 0.788675 , 0.788675 , 0.211325 ). p = 3.211 rho = 10.208
# (x,y,z)=( 0.211325 , 0.211325 , 0.788675 ). p = 3.789 rho = 15.001
# (x,y,z)=( 0.788675 , 0.211325 , 0.788675 ). p = 4.367 rho = 22.043
# (x,y,z)=( 0.211325 , 0.788675 , 0.788675 ). p = 4.943 rho = 32.392
# (x,y,z)=( 0.788675 , 0.788675 , 0.788675 ). p = 5.521 rho = 47.599
# Average density = 17.7668
# grad(P) = (1, 2, 4)
# with permeability = diag(1, 2, 3) and gravity = (1, -2, 3) and viscosity = 3.2
# So Darcy velocity = (5.23963, -23.4585, 46.2192)
[Mesh]
type = GeneratedMesh
dim = 3
xmin = 0
xmax = 1
ymin = 0
ymax = 1
zmin = 0
zmax = 1
[]
[GlobalParams]
PorousFlowDictator = dictator
gravity = '1 -2 3'
[]
[Variables]
[pp]
[]
[]
[ICs]
[pinit]
type = FunctionIC
function = x+2*y+4*z
variable = pp
[]
[]
[Kernels]
[mass0]
type = PorousFlowMassTimeDerivative
fluid_component = 0
variable = pp
[]
[]
[AuxVariables]
[vel_x]
order = CONSTANT
family = MONOMIAL
[]
[vel_y]
order = CONSTANT
family = MONOMIAL
[]
[vel_z]
order = CONSTANT
family = MONOMIAL
[]
[]
[AuxKernels]
[vel_x]
type = PorousFlowDarcyVelocityComponent
variable = vel_x
component = x
fluid_phase = 0
[]
[vel_y]
type = PorousFlowDarcyVelocityComponent
variable = vel_y
component = y
fluid_phase = 0
[]
[vel_z]
type = PorousFlowDarcyVelocityComponent
variable = vel_z
component = z
fluid_phase = 0
[]
[]
[UserObjects]
[dictator]
type = PorousFlowDictator
porous_flow_vars = 'pp'
number_fluid_phases = 1
number_fluid_components = 1
[]
[pc]
type = PorousFlowCapillaryPressureVG
m = 0.5
alpha = 1
[]
[]
[Modules]
[FluidProperties]
[simple_fluid]
type = SimpleFluidProperties
bulk_modulus = 1.5
viscosity = 3.2
density0 = 1.2
thermal_expansion = 0
[]
[]
[]
[Postprocessors]
[vel_x]
type = PointValue
variable = vel_x
point = '0.5 0.5 0.5'
[]
[vel_y]
type = PointValue
variable = vel_y
point = '0.5 0.5 0.5'
[]
[vel_z]
type = PointValue
variable = vel_z
point = '0.5 0.5 0.5'
[]
[]
[Materials]
[temperature]
type = PorousFlowTemperature
[]
[ppss]
type = PorousFlow1PhaseP
porepressure = pp
capillary_pressure = pc
[]
[massfrac]
type = PorousFlowMassFraction
[]
[simple_fluid]
type = PorousFlowSingleComponentFluid
fp = simple_fluid
phase = 0
[]
[permeability]
type = PorousFlowPermeabilityConst
permeability = '1 0 0 0 2 0 0 0 3'
[]
[relperm]
type = PorousFlowRelativePermeabilityCorey
n = 2
phase = 0
[]
[porosity]
type = PorousFlowPorosityConst
porosity = 0.1
[]
[]
[Executioner]
type = Transient
solve_type = Newton
nl_abs_tol = 1e-16
dt = 1
end_time = 1
[]
[Outputs]
execute_on = 'timestep_end'
file_base = darcy_velocity
csv = true
[]
(modules/porous_flow/test/tests/dispersion/diff01.i)
# Test diffusive part of PorousFlowDispersiveFlux kernel by setting dispersion
# coefficients to zero. Pressure is held constant over the mesh, and gravity is
# set to zero so that no advective transport of mass takes place.
# Mass fraction is set to 1 on the left hand side and 0 on the right hand side.
[Mesh]
type = GeneratedMesh
dim = 1
nx = 20
xmax = 10
bias_x = 1.1
[]
[GlobalParams]
PorousFlowDictator = dictator
gravity = '0 0 0'
[]
[Variables]
[pp]
[]
[massfrac0]
[]
[]
[AuxVariables]
[velocity]
family = MONOMIAL
order = FIRST
[]
[]
[AuxKernels]
[velocity]
type = PorousFlowDarcyVelocityComponent
variable = velocity
component = x
[]
[]
[ICs]
[pp]
type = ConstantIC
variable = pp
value = 1e5
[]
[massfrac0]
type = ConstantIC
variable = massfrac0
value = 0
[]
[]
[BCs]
[left]
type = DirichletBC
value = 1
variable = massfrac0
boundary = left
[]
[right]
type = DirichletBC
value = 0
variable = massfrac0
boundary = right
[]
[pright]
type = DirichletBC
variable = pp
boundary = right
value = 1e5
[]
[pleft]
type = DirichletBC
variable = pp
boundary = left
value = 1e5
[]
[]
[Kernels]
[mass0]
type = PorousFlowMassTimeDerivative
fluid_component = 0
variable = pp
[]
[adv0]
type = PorousFlowAdvectiveFlux
fluid_component = 0
variable = pp
[]
[diff0]
type = PorousFlowDispersiveFlux
fluid_component = 0
variable = pp
disp_trans = 0
disp_long = 0
[]
[mass1]
type = PorousFlowMassTimeDerivative
fluid_component = 1
variable = massfrac0
[]
[adv1]
type = PorousFlowAdvectiveFlux
fluid_component = 1
variable = massfrac0
[]
[diff1]
type = PorousFlowDispersiveFlux
fluid_component = 1
variable = massfrac0
disp_trans = 0
disp_long = 0
[]
[]
[UserObjects]
[dictator]
type = PorousFlowDictator
porous_flow_vars = 'pp massfrac0'
number_fluid_phases = 1
number_fluid_components = 2
[]
[]
[Modules]
[FluidProperties]
[simple_fluid]
type = SimpleFluidProperties
bulk_modulus = 1e7
density0 = 1000
viscosity = 0.001
thermal_expansion = 0
[]
[]
[]
[Materials]
[temperature]
type = PorousFlowTemperature
[]
[ppss]
type = PorousFlow1PhaseFullySaturated
porepressure = pp
[]
[massfrac]
type = PorousFlowMassFraction
mass_fraction_vars = massfrac0
[]
[simple_fluid]
type = PorousFlowSingleComponentFluid
fp = simple_fluid
phase = 0
[]
[poro]
type = PorousFlowPorosityConst
porosity = 0.3
[]
[diff]
type = PorousFlowDiffusivityConst
diffusion_coeff = '1 1'
tortuosity = 0.1
[]
[relp]
type = PorousFlowRelativePermeabilityConst
phase = 0
[]
[permeability]
type = PorousFlowPermeabilityConst
permeability = '1e-9 0 0 0 1e-9 0 0 0 1e-9'
[]
[]
[Preconditioning]
[smp]
type = SMP
full = true
petsc_options_iname = '-ksp_type -pc_type -sub_pc_type -sub_pc_factor_shift_type -pc_asm_overlap'
petsc_options_value = 'gmres asm lu NONZERO 2 '
[]
[]
[Executioner]
type = Transient
solve_type = NEWTON
dt = 1
end_time = 20
[]
[VectorPostprocessors]
[xmass]
type = NodalValueSampler
sort_by = id
variable = massfrac0
[]
[]
[Outputs]
[out]
type = CSV
execute_on = final
[]
[]
(modules/porous_flow/test/tests/aux_kernels/darcy_velocity_lower_2D.i)
# checking that the PorousFlowDarcyVelocityComponentLowerDimensional AuxKernel works as expected in 1D+2D situation
# for the fully-saturated case (relative-permeability = 1)
# The 1_frac_in_2D_example.e has size 0.3x0.2x0, and a fracture running through its
# centre, with normal = (0, 1, 0)
# Porepressure is initialised to grad(P) = (1, 2, 0)
# Fluid_density = 2
# viscosity = 10
# relative_permeability = 1
# permeability = (5, 5, 5) (in the bulk, measured in m^2)
# permeability = (10, 10, 10) (in the fracture, measured in m^3)
# aperture = 0.01
# gravity = (1, 0.5, 0)
# So Darcy velocity in the bulk = (0.5, -0.5, 0)
# in the fracture grad(P) = (1, 0, 0)
# In the fracture the projected gravity vector is
# tangential_gravity = (1, 0, 0)
# So the Darcy velocity in the fracture = (100, 0, 0)
[Mesh]
type = FileMesh
file = 1_frac_in_2D_example.e
[]
[GlobalParams]
PorousFlowDictator = dictator
gravity = '1 0.5 0'
[]
[Variables]
[pp]
[]
[]
[ICs]
[pinit]
type = FunctionIC
function = 'x+2*y'
variable = pp
[]
[]
[Kernels]
[dummy]
type = TimeDerivative
variable = pp
[]
[]
[AuxVariables]
[bulk_vel_x]
order = CONSTANT
family = MONOMIAL
block = '2 3'
[]
[bulk_vel_y]
order = CONSTANT
family = MONOMIAL
block = '2 3'
[]
[bulk_vel_z]
order = CONSTANT
family = MONOMIAL
block = '2 3'
[]
[fracture_vel_x]
order = CONSTANT
family = MONOMIAL
block = 1
[]
[fracture_vel_y]
order = CONSTANT
family = MONOMIAL
block = 1
[]
[fracture_vel_z]
order = CONSTANT
family = MONOMIAL
block = 1
[]
[]
[AuxKernels]
[bulk_vel_x]
type = PorousFlowDarcyVelocityComponent
variable = bulk_vel_x
component = x
fluid_phase = 0
[]
[bulk_vel_y]
type = PorousFlowDarcyVelocityComponent
variable = bulk_vel_y
component = y
fluid_phase = 0
[]
[bulk_vel_z]
type = PorousFlowDarcyVelocityComponent
variable = bulk_vel_z
component = z
fluid_phase = 0
[]
[fracture_vel_x]
type = PorousFlowDarcyVelocityComponentLowerDimensional
variable = fracture_vel_x
component = x
fluid_phase = 0
aperture = 0.01
[]
[fracture_vel_y]
type = PorousFlowDarcyVelocityComponentLowerDimensional
variable = fracture_vel_y
component = y
fluid_phase = 0
aperture = 0.01
[]
[fracture_vel_z]
type = PorousFlowDarcyVelocityComponentLowerDimensional
variable = fracture_vel_z
component = z
fluid_phase = 0
aperture = 0.01
[]
[]
[UserObjects]
[dictator]
type = PorousFlowDictator
porous_flow_vars = 'pp'
number_fluid_phases = 1
number_fluid_components = 1
[]
[pc]
type = PorousFlowCapillaryPressureConst
pc = 0
[]
[]
[Modules]
[FluidProperties]
[simple_fluid]
type = SimpleFluidProperties
bulk_modulus = 1E16
viscosity = 10
density0 = 2
thermal_expansion = 0
[]
[]
[]
[Postprocessors]
[bulk_vel_x]
type = PointValue
variable = bulk_vel_x
point = '0 -0.05 0'
[]
[bulk_vel_y]
type = PointValue
variable = bulk_vel_y
point = '0 -0.05 0'
[]
[bulk_vel_z]
type = PointValue
variable = bulk_vel_z
point = '0 -0.05 0'
[]
[fracture_vel_x]
type = PointValue
point = '0 0 0'
variable = fracture_vel_x
[]
[fracture_vel_y]
type = PointValue
point = '0 0 0'
variable = fracture_vel_y
[]
[fracture_vel_z]
type = PointValue
point = '0 0 0'
variable = fracture_vel_z
[]
[]
[Materials]
[temperature]
type = PorousFlowTemperature
[]
[ppss]
type = PorousFlow1PhaseP
porepressure = pp
capillary_pressure = pc
[]
[simple_fluid]
type = PorousFlowSingleComponentFluid
fp = simple_fluid
phase = 0
[]
[permeability]
type = PorousFlowPermeabilityConst
permeability = '5 0 0 0 5 0 0 0 5'
block = '2 3'
[]
[permeability_fracture]
type = PorousFlowPermeabilityConst
permeability = '10 0 0 0 10 0 0 0 10'
block = 1
[]
[relperm]
type = PorousFlowRelativePermeabilityCorey
n = 2
phase = 0
[]
[]
[Executioner]
type = Transient
dt = 1
end_time = 1
[]
[Outputs]
csv = true
[]
(modules/porous_flow/test/tests/dispersion/disp01_heavy.i)
# Test dispersive part of PorousFlowDispersiveFlux kernel by setting diffusion
# coefficients to zero. A pressure gradient is applied over the mesh to give a
# uniform velocity. Gravity is set to zero.
# Mass fraction is set to 1 on the left hand side and 0 on the right hand side.
[Mesh]
type = GeneratedMesh
dim = 1
nx = 200
xmax = 10
[]
[GlobalParams]
PorousFlowDictator = dictator
gravity = '0 0 0'
compute_enthalpy = false
compute_internal_energy = false
[]
[Variables]
[pp]
[]
[massfrac0]
[]
[]
[AuxVariables]
[velocity]
family = MONOMIAL
order = FIRST
[]
[]
[AuxKernels]
[velocity]
type = PorousFlowDarcyVelocityComponent
variable = velocity
component = x
[]
[]
[ICs]
[pp]
type = FunctionIC
variable = pp
function = pic
[]
[massfrac0]
type = ConstantIC
variable = massfrac0
value = 0
[]
[]
[Functions]
[pic]
type = ParsedFunction
value = 1.1e5-x*1e3
[]
[]
[BCs]
[xleft]
type = DirichletBC
value = 1
variable = massfrac0
boundary = left
[]
[xright]
type = DirichletBC
value = 0
variable = massfrac0
boundary = right
[]
[pright]
type = DirichletBC
variable = pp
boundary = right
value = 1e5
[]
[pleft]
type = DirichletBC
variable = pp
boundary = left
value = 1.1e5
[]
[]
[Kernels]
[mass0]
type = PorousFlowMassTimeDerivative
fluid_component = 0
variable = pp
[]
[adv0]
type = PorousFlowAdvectiveFlux
fluid_component = 0
variable = pp
[]
[diff0]
type = PorousFlowDispersiveFlux
variable = pp
disp_trans = 0
disp_long = 0.2
[]
[mass1]
type = PorousFlowMassTimeDerivative
fluid_component = 1
variable = massfrac0
[]
[adv1]
type = PorousFlowAdvectiveFlux
fluid_component = 1
variable = massfrac0
[]
[diff1]
type = PorousFlowDispersiveFlux
fluid_component = 1
variable = massfrac0
disp_trans = 0
disp_long = 0.2
[]
[]
[UserObjects]
[dictator]
type = PorousFlowDictator
porous_flow_vars = 'pp massfrac0'
number_fluid_phases = 1
number_fluid_components = 2
[]
[]
[Modules]
[FluidProperties]
[simple_fluid]
type = SimpleFluidProperties
bulk_modulus = 1e9
density0 = 1000
viscosity = 0.001
thermal_expansion = 0
[]
[]
[]
[Materials]
[temperature]
type = PorousFlowTemperature
[]
[ppss]
type = PorousFlow1PhaseFullySaturated
porepressure = pp
[]
[massfrac]
type = PorousFlowMassFraction
mass_fraction_vars = massfrac0
[]
[simple_fluid]
type = PorousFlowSingleComponentFluid
fp = simple_fluid
phase = 0
[]
[poro]
type = PorousFlowPorosityConst
porosity = 0.3
[]
[diff]
type = PorousFlowDiffusivityConst
diffusion_coeff = '0 0'
tortuosity = 0.1
[]
[relp]
type = PorousFlowRelativePermeabilityConst
phase = 0
[]
[permeability]
type = PorousFlowPermeabilityConst
permeability = '1e-9 0 0 0 1e-9 0 0 0 1e-9'
[]
[]
[Preconditioning]
[smp]
type = SMP
full = true
petsc_options_iname = '-ksp_type -pc_type -sub_pc_type -sub_pc_factor_shift_type -pc_asm_overlap'
petsc_options_value = 'gmres asm lu NONZERO 2 '
[]
[]
[Executioner]
type = Transient
solve_type = NEWTON
end_time = 1e3
dtmax = 10
[TimeStepper]
type = IterationAdaptiveDT
growth_factor = 1.5
cutback_factor = 0.5
dt = 1
[]
[]
[VectorPostprocessors]
[xmass]
type = NodalValueSampler
sort_by = id
variable = massfrac0
[]
[]
[Outputs]
[out]
type = CSV
execute_on = final
[]
[]
(modules/porous_flow/examples/coal_mining/fine_with_fluid.i)
#################################################################
#
# NOTE:
# The mesh for this model is too large for the MOOSE repository
# so is kept in the the large_media submodule
#
#################################################################
#
# Strata deformation and fluid flow aaround a coal mine - 3D model
#
# A "half model" is used. The mine is 400m deep and
# just the roof is studied (-400<=z<=0). The mining panel
# sits between 0<=x<=150, and 0<=y<=1000, so this simulates
# a coal panel that is 300m wide and 1000m long. The outer boundaries
# are 1km from the excavation boundaries.
#
# The excavation takes 0.5 years.
#
# The boundary conditions for this simulation are:
# - disp_x = 0 at x=0 and x=1150
# - disp_y = 0 at y=-1000 and y=1000
# - disp_z = 0 at z=-400, but there is a time-dependent
# Young modulus that simulates excavation
# - wc_x = 0 at y=-1000 and y=1000
# - wc_y = 0 at x=0 and x=1150
# - no flow at x=0, z=-400 and z=0
# - fixed porepressure at y=-1000, y=1000 and x=1150
# That is, rollers on the sides, free at top,
# and prescribed at bottom in the unexcavated portion.
#
# A single-phase unsaturated fluid is used.
#
# The small strain formulation is used.
#
# All stresses are measured in MPa, and time units are measured in years.
#
# The initial porepressure is hydrostatic with P=0 at z=0, so
# Porepressure ~ - 0.01*z MPa, where the fluid has density 1E3 kg/m^3 and
# gravity = = 10 m.s^-2 = 1E-5 MPa m^2/kg.
# To be more accurate, i use
# Porepressure = -bulk * log(1 + g*rho0*z/bulk)
# where bulk=2E3 MPa and rho0=1Ee kg/m^3.
# The initial stress is consistent with the weight force from undrained
# density 2500 kg/m^3, and fluid porepressure, and a Biot coefficient of 0.7, ie,
# stress_zz^effective = 0.025*z + 0.7 * initial_porepressure
# The maximum and minimum principal horizontal effective stresses are
# assumed to be equal to 0.8*stress_zz.
#
# Material properties:
# Young's modulus = 8 GPa
# Poisson's ratio = 0.25
# Cosserat layer thickness = 1 m
# Cosserat-joint normal stiffness = large
# Cosserat-joint shear stiffness = 1 GPa
# MC cohesion = 2 MPa
# MC friction angle = 35 deg
# MC dilation angle = 8 deg
# MC tensile strength = 1 MPa
# MC compressive strength = 100 MPa
# WeakPlane cohesion = 0.1 MPa
# WeakPlane friction angle = 30 deg
# WeakPlane dilation angle = 10 deg
# WeakPlane tensile strength = 0.1 MPa
# WeakPlane compressive strength = 100 MPa softening to 1 MPa at strain = 1
# Fluid density at zero porepressure = 1E3 kg/m^3
# Fluid bulk modulus = 2E3 MPa
# Fluid viscosity = 1.1E-3 Pa.s = 1.1E-9 MPa.s = 3.5E-17 MPa.year
#
[GlobalParams]
perform_finite_strain_rotations = false
displacements = 'disp_x disp_y disp_z'
Cosserat_rotations = 'wc_x wc_y wc_z'
PorousFlowDictator = dictator
biot_coefficient = 0.7
[]
[Mesh]
[file]
type = FileMeshGenerator
file = fine.e
[]
[xmin]
type = SideSetsAroundSubdomainGenerator
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30'
new_boundary = xmin
normal = '-1 0 0'
input = file
[]
[xmax]
type = SideSetsAroundSubdomainGenerator
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30'
new_boundary = xmax
normal = '1 0 0'
input = xmin
[]
[ymin]
type = SideSetsAroundSubdomainGenerator
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30'
new_boundary = ymin
normal = '0 -1 0'
input = xmax
[]
[ymax]
type = SideSetsAroundSubdomainGenerator
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30'
new_boundary = ymax
normal = '0 1 0'
input = ymin
[]
[zmax]
type = SideSetsAroundSubdomainGenerator
block = 30
new_boundary = zmax
normal = '0 0 1'
input = ymax
[]
[zmin]
type = SideSetsAroundSubdomainGenerator
block = 2
new_boundary = zmin
normal = '0 0 -1'
input = zmax
[]
[excav]
type = SubdomainBoundingBoxGenerator
input = zmin
block_id = 1
bottom_left = '0 0 -400'
top_right = '150 1000 -397'
[]
[roof]
type = SideSetsBetweenSubdomainsGenerator
primary_block = 3
paired_block = 1
input = excav
new_boundary = roof
[]
[]
[Variables]
[disp_x]
[]
[disp_y]
[]
[disp_z]
[]
[wc_x]
[]
[wc_y]
[]
[porepressure]
scaling = 1E-5
[]
[]
[ICs]
[porepressure]
type = FunctionIC
variable = porepressure
function = ini_pp
[]
[]
[Kernels]
[cx_elastic]
type = CosseratStressDivergenceTensors
use_displaced_mesh = false
variable = disp_x
component = 0
[]
[cy_elastic]
type = CosseratStressDivergenceTensors
use_displaced_mesh = false
variable = disp_y
component = 1
[]
[cz_elastic]
type = CosseratStressDivergenceTensors
use_displaced_mesh = false
variable = disp_z
component = 2
[]
[x_couple]
type = StressDivergenceTensors
use_displaced_mesh = false
variable = wc_x
displacements = 'wc_x wc_y wc_z'
component = 0
base_name = couple
[]
[y_couple]
type = StressDivergenceTensors
use_displaced_mesh = false
variable = wc_y
displacements = 'wc_x wc_y wc_z'
component = 1
base_name = couple
[]
[x_moment]
type = MomentBalancing
use_displaced_mesh = false
variable = wc_x
component = 0
[]
[y_moment]
type = MomentBalancing
use_displaced_mesh = false
variable = wc_y
component = 1
[]
[gravity]
type = Gravity
use_displaced_mesh = false
variable = disp_z
value = -10E-6 # remember this is in MPa
[]
[poro_x]
type = PorousFlowEffectiveStressCoupling
use_displaced_mesh = false
variable = disp_x
component = 0
[]
[poro_y]
type = PorousFlowEffectiveStressCoupling
use_displaced_mesh = false
variable = disp_y
component = 1
[]
[poro_z]
type = PorousFlowEffectiveStressCoupling
use_displaced_mesh = false
component = 2
variable = disp_z
[]
[poro_vol_exp]
type = PorousFlowMassVolumetricExpansion
use_displaced_mesh = false
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30'
variable = porepressure
fluid_component = 0
[]
[mass0]
type = PorousFlowMassTimeDerivative
use_displaced_mesh = false
fluid_component = 0
variable = porepressure
[]
[flux]
type = PorousFlowAdvectiveFlux
use_displaced_mesh = false
variable = porepressure
gravity = '0 0 -10E-6'
fluid_component = 0
[]
[]
[AuxVariables]
[saturation]
order = CONSTANT
family = MONOMIAL
[]
[darcy_x]
order = CONSTANT
family = MONOMIAL
[]
[darcy_y]
order = CONSTANT
family = MONOMIAL
[]
[darcy_z]
order = CONSTANT
family = MONOMIAL
[]
[porosity]
order = CONSTANT
family = MONOMIAL
[]
[wc_z]
[]
[stress_xx]
order = CONSTANT
family = MONOMIAL
[]
[stress_xy]
order = CONSTANT
family = MONOMIAL
[]
[stress_xz]
order = CONSTANT
family = MONOMIAL
[]
[stress_yx]
order = CONSTANT
family = MONOMIAL
[]
[stress_yy]
order = CONSTANT
family = MONOMIAL
[]
[stress_yz]
order = CONSTANT
family = MONOMIAL
[]
[stress_zx]
order = CONSTANT
family = MONOMIAL
[]
[stress_zy]
order = CONSTANT
family = MONOMIAL
[]
[stress_zz]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_xx]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_xy]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_xz]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_yx]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_yy]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_yz]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_zx]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_zy]
order = CONSTANT
family = MONOMIAL
[]
[total_strain_zz]
order = CONSTANT
family = MONOMIAL
[]
[perm_xx]
order = CONSTANT
family = MONOMIAL
[]
[perm_yy]
order = CONSTANT
family = MONOMIAL
[]
[perm_zz]
order = CONSTANT
family = MONOMIAL
[]
[mc_shear]
order = CONSTANT
family = MONOMIAL
[]
[mc_tensile]
order = CONSTANT
family = MONOMIAL
[]
[wp_shear]
order = CONSTANT
family = MONOMIAL
[]
[wp_tensile]
order = CONSTANT
family = MONOMIAL
[]
[wp_shear_f]
order = CONSTANT
family = MONOMIAL
[]
[wp_tensile_f]
order = CONSTANT
family = MONOMIAL
[]
[mc_shear_f]
order = CONSTANT
family = MONOMIAL
[]
[mc_tensile_f]
order = CONSTANT
family = MONOMIAL
[]
[]
[AuxKernels]
[saturation_water]
type = PorousFlowPropertyAux
variable = saturation
property = saturation
phase = 0
execute_on = timestep_end
[]
[darcy_x]
type = PorousFlowDarcyVelocityComponent
variable = darcy_x
gravity = '0 0 -10E-6'
component = x
[]
[darcy_y]
type = PorousFlowDarcyVelocityComponent
variable = darcy_y
gravity = '0 0 -10E-6'
component = y
[]
[darcy_z]
type = PorousFlowDarcyVelocityComponent
variable = darcy_z
gravity = '0 0 -10E-6'
component = z
[]
[porosity]
type = PorousFlowPropertyAux
property = porosity
variable = porosity
execute_on = timestep_end
[]
[stress_xx]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_xx
index_i = 0
index_j = 0
execute_on = timestep_end
[]
[stress_xy]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_xy
index_i = 0
index_j = 1
execute_on = timestep_end
[]
[stress_xz]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_xz
index_i = 0
index_j = 2
execute_on = timestep_end
[]
[stress_yx]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_yx
index_i = 1
index_j = 0
execute_on = timestep_end
[]
[stress_yy]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_yy
index_i = 1
index_j = 1
execute_on = timestep_end
[]
[stress_yz]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_yz
index_i = 1
index_j = 2
execute_on = timestep_end
[]
[stress_zx]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_zx
index_i = 2
index_j = 0
execute_on = timestep_end
[]
[stress_zy]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_zy
index_i = 2
index_j = 1
execute_on = timestep_end
[]
[stress_zz]
type = RankTwoAux
rank_two_tensor = stress
variable = stress_zz
index_i = 2
index_j = 2
execute_on = timestep_end
[]
[total_strain_xx]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_xx
index_i = 0
index_j = 0
execute_on = timestep_end
[]
[total_strain_xy]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_xy
index_i = 0
index_j = 1
execute_on = timestep_end
[]
[total_strain_xz]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_xz
index_i = 0
index_j = 2
execute_on = timestep_end
[]
[total_strain_yx]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_yx
index_i = 1
index_j = 0
execute_on = timestep_end
[]
[total_strain_yy]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_yy
index_i = 1
index_j = 1
execute_on = timestep_end
[]
[total_strain_yz]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_yz
index_i = 1
index_j = 2
execute_on = timestep_end
[]
[total_strain_zx]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_zx
index_i = 2
index_j = 0
execute_on = timestep_end
[]
[total_strain_zy]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_zy
index_i = 2
index_j = 1
execute_on = timestep_end
[]
[total_strain_zz]
type = RankTwoAux
rank_two_tensor = total_strain
variable = total_strain_zz
index_i = 2
index_j = 2
execute_on = timestep_end
[]
[perm_xx]
type = PorousFlowPropertyAux
property = permeability
variable = perm_xx
row = 0
column = 0
execute_on = timestep_end
[]
[perm_yy]
type = PorousFlowPropertyAux
property = permeability
variable = perm_yy
row = 1
column = 1
execute_on = timestep_end
[]
[perm_zz]
type = PorousFlowPropertyAux
property = permeability
variable = perm_zz
row = 2
column = 2
execute_on = timestep_end
[]
[mc_shear]
type = MaterialStdVectorAux
index = 0
property = mc_plastic_internal_parameter
variable = mc_shear
execute_on = timestep_end
[]
[mc_tensile]
type = MaterialStdVectorAux
index = 1
property = mc_plastic_internal_parameter
variable = mc_tensile
execute_on = timestep_end
[]
[wp_shear]
type = MaterialStdVectorAux
index = 0
property = wp_plastic_internal_parameter
variable = wp_shear
execute_on = timestep_end
[]
[wp_tensile]
type = MaterialStdVectorAux
index = 1
property = wp_plastic_internal_parameter
variable = wp_tensile
execute_on = timestep_end
[]
[mc_shear_f]
type = MaterialStdVectorAux
index = 6
property = mc_plastic_yield_function
variable = mc_shear_f
execute_on = timestep_end
[]
[mc_tensile_f]
type = MaterialStdVectorAux
index = 0
property = mc_plastic_yield_function
variable = mc_tensile_f
execute_on = timestep_end
[]
[wp_shear_f]
type = MaterialStdVectorAux
index = 0
property = wp_plastic_yield_function
variable = wp_shear_f
execute_on = timestep_end
[]
[wp_tensile_f]
type = MaterialStdVectorAux
index = 1
property = wp_plastic_yield_function
variable = wp_tensile_f
execute_on = timestep_end
[]
[]
[BCs]
[no_x]
type = DirichletBC
variable = disp_x
boundary = 'xmin xmax'
value = 0.0
[]
[no_y]
type = DirichletBC
variable = disp_y
boundary = 'ymin ymax'
value = 0.0
[]
[no_z]
type = DirichletBC
variable = disp_z
boundary = zmin
value = 0.0
[]
[no_wc_x]
type = DirichletBC
variable = wc_x
boundary = 'ymin ymax'
value = 0.0
[]
[no_wc_y]
type = DirichletBC
variable = wc_y
boundary = 'xmin xmax'
value = 0.0
[]
[fix_porepressure]
type = FunctionDirichletBC
variable = porepressure
boundary = 'ymin ymax xmax'
function = ini_pp
[]
[roof_porepressure]
type = PorousFlowPiecewiseLinearSink
variable = porepressure
pt_vals = '-1E3 1E3'
multipliers = '-1 1'
fluid_phase = 0
flux_function = roof_conductance
boundary = roof
[]
[roof]
type = StickyBC
variable = disp_z
min_value = -3.0
boundary = roof
[]
[]
[Functions]
[ini_pp]
type = ParsedFunction
vars = 'bulk p0 g rho0'
vals = '2E3 0.0 1E-5 1E3'
value = '-bulk*log(exp(-p0/bulk)+g*rho0*z/bulk)'
[]
[ini_xx]
type = ParsedFunction
vars = 'bulk p0 g rho0 biot'
vals = '2E3 0.0 1E-5 1E3 0.7'
value = '0.8*(2500*10E-6*z+biot*(-bulk*log(exp(-p0/bulk)+g*rho0*z/bulk)))'
[]
[ini_zz]
type = ParsedFunction
vars = 'bulk p0 g rho0 biot'
vals = '2E3 0.0 1E-5 1E3 0.7'
value = '2500*10E-6*z+biot*(-bulk*log(exp(-p0/bulk)+g*rho0*z/bulk))'
[]
[excav_sideways]
type = ParsedFunction
vars = 'end_t ymin ymax minval maxval slope'
vals = '0.5 0 1000.0 1E-9 1 10'
# excavation face at ymin+(ymax-ymin)*min(t/end_t,1)
# slope is the distance over which the modulus reduces from maxval to minval
value = 'if(y<ymin+(ymax-ymin)*min(t/end_t,1),minval,if(y<ymin+(ymax-ymin)*min(t/end_t,1)+slope,minval+(maxval-minval)*(y-(ymin+(ymax-ymin)*min(t/end_t,1)))/slope,maxval))'
[]
[density_sideways]
type = ParsedFunction
vars = 'end_t ymin ymax minval maxval'
vals = '0.5 0 1000.0 0 2500'
value = 'if(y<ymin+(ymax-ymin)*min(t/end_t,1),minval,maxval)'
[]
[roof_conductance]
type = ParsedFunction
vars = 'end_t ymin ymax maxval minval'
vals = '0.5 0 1000.0 1E7 0'
value = 'if(y<ymin+(ymax-ymin)*min(t/end_t,1),maxval,minval)'
[]
[]
[UserObjects]
[dictator]
type = PorousFlowDictator
porous_flow_vars = 'porepressure disp_x disp_y disp_z'
number_fluid_phases = 1
number_fluid_components = 1
[]
[pc]
type = PorousFlowCapillaryPressureVG
m = 0.5
alpha = 1 # MPa^-1
[]
[mc_coh_strong_harden]
type = TensorMechanicsHardeningExponential
value_0 = 1.99 # MPa
value_residual = 2.01 # MPa
rate = 1.0
[]
[mc_fric]
type = TensorMechanicsHardeningConstant
value = 0.61 # 35deg
[]
[mc_dil]
type = TensorMechanicsHardeningConstant
value = 0.15 # 8deg
[]
[mc_tensile_str_strong_harden]
type = TensorMechanicsHardeningExponential
value_0 = 1.0 # MPa
value_residual = 1.0 # MPa
rate = 1.0
[]
[mc_compressive_str]
type = TensorMechanicsHardeningCubic
value_0 = 100 # Large!
value_residual = 100
internal_limit = 0.1
[]
[wp_coh_harden]
type = TensorMechanicsHardeningCubic
value_0 = 0.05
value_residual = 0.05
internal_limit = 10
[]
[wp_tan_fric]
type = TensorMechanicsHardeningConstant
value = 0.26 # 15deg
[]
[wp_tan_dil]
type = TensorMechanicsHardeningConstant
value = 0.18 # 10deg
[]
[wp_tensile_str_harden]
type = TensorMechanicsHardeningCubic
value_0 = 0.05
value_residual = 0.05
internal_limit = 10
[]
[wp_compressive_str_soften]
type = TensorMechanicsHardeningCubic
value_0 = 100
value_residual = 1
internal_limit = 1.0
[]
[]
[Modules]
[FluidProperties]
[simple_fluid]
type = SimpleFluidProperties
bulk_modulus = 2E3
density0 = 1000
thermal_expansion = 0
viscosity = 3.5E-17
[]
[]
[]
[Materials]
[temperature]
type = PorousFlowTemperature
[]
[eff_fluid_pressure]
type = PorousFlowEffectiveFluidPressure
[]
[vol_strain]
type = PorousFlowVolumetricStrain
[]
[ppss]
type = PorousFlow1PhaseP
porepressure = porepressure
capillary_pressure = pc
[]
[massfrac]
type = PorousFlowMassFraction
[]
[simple_fluid]
type = PorousFlowSingleComponentFluid
fp = simple_fluid
phase = 0
[]
[porosity_for_aux]
type = PorousFlowPorosity
at_nodes = false
fluid = true
mechanical = true
ensure_positive = true
porosity_zero = 0.02
solid_bulk = 5.3333E3
[]
[porosity_bulk]
type = PorousFlowPorosity
fluid = true
mechanical = true
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30'
ensure_positive = true
porosity_zero = 0.02
solid_bulk = 5.3333E3
[]
[porosity_excav]
type = PorousFlowPorosityConst
block = 1
porosity = 1.0
[]
[permeability_bulk]
type = PorousFlowPermeabilityKozenyCarman
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30'
poroperm_function = kozeny_carman_phi0
k0 = 1E-15
phi0 = 0.02
n = 2
m = 2
[]
[permeability_excav]
type = PorousFlowPermeabilityConst
block = 1
permeability = '0 0 0 0 0 0 0 0 0'
[]
[relperm]
type = PorousFlowRelativePermeabilityCorey
n = 4
s_res = 0.4
sum_s_res = 0.4
phase = 0
[]
[elasticity_tensor_0]
type = ComputeLayeredCosseratElasticityTensor
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30'
young = 8E3 # MPa
poisson = 0.25
layer_thickness = 1.0
joint_normal_stiffness = 1E9 # huge
joint_shear_stiffness = 1E3 # MPa
[]
[elasticity_tensor_1]
type = ComputeLayeredCosseratElasticityTensor
block = 1
young = 8E3 # MPa
poisson = 0.25
layer_thickness = 1.0
joint_normal_stiffness = 1E9 # huge
joint_shear_stiffness = 1E3 # MPa
elasticity_tensor_prefactor = excav_sideways
[]
[strain]
type = ComputeCosseratIncrementalSmallStrain
eigenstrain_names = ini_stress
[]
[ini_stress]
type = ComputeEigenstrainFromInitialStress
eigenstrain_name = ini_stress
initial_stress = 'ini_xx 0 0 0 ini_xx 0 0 0 ini_zz'
[]
[stress_0]
type = ComputeMultipleInelasticCosseratStress
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30'
inelastic_models = 'mc wp'
cycle_models = true
relative_tolerance = 2.0
absolute_tolerance = 1E6
max_iterations = 1
tangent_operator = nonlinear
perform_finite_strain_rotations = false
[]
[stress_1]
type = ComputeMultipleInelasticCosseratStress
block = 1
inelastic_models = ''
relative_tolerance = 2.0
absolute_tolerance = 1E6
max_iterations = 1
tangent_operator = nonlinear
perform_finite_strain_rotations = false
[]
[mc]
type = CappedMohrCoulombCosseratStressUpdate
warn_about_precision_loss = false
host_youngs_modulus = 8E3
host_poissons_ratio = 0.25
base_name = mc
tensile_strength = mc_tensile_str_strong_harden
compressive_strength = mc_compressive_str
cohesion = mc_coh_strong_harden
friction_angle = mc_fric
dilation_angle = mc_dil
max_NR_iterations = 100000
smoothing_tol = 0.1 # MPa # Must be linked to cohesion
yield_function_tol = 1E-9 # MPa. this is essentially the lowest possible without lots of precision loss
perfect_guess = true
min_step_size = 1.0
[]
[wp]
type = CappedWeakPlaneCosseratStressUpdate
warn_about_precision_loss = false
base_name = wp
cohesion = wp_coh_harden
tan_friction_angle = wp_tan_fric
tan_dilation_angle = wp_tan_dil
tensile_strength = wp_tensile_str_harden
compressive_strength = wp_compressive_str_soften
max_NR_iterations = 10000
tip_smoother = 0.05
smoothing_tol = 0.05 # MPa # Note, this must be tied to cohesion, otherwise get no possible return at cone apex
yield_function_tol = 1E-11 # MPa. this is essentially the lowest possible without lots of precision loss
perfect_guess = true
min_step_size = 1.0E-3
[]
[undrained_density_0]
type = GenericConstantMaterial
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30'
prop_names = density
prop_values = 2500
[]
[undrained_density_1]
type = GenericFunctionMaterial
block = 1
prop_names = density
prop_values = density_sideways
[]
[]
[Preconditioning]
[SMP]
type = SMP
full = true
[]
[]
[Postprocessors]
[min_roof_disp]
type = NodalExtremeValue
boundary = roof
value_type = min
variable = disp_z
[]
[min_roof_pp]
type = NodalExtremeValue
boundary = roof
value_type = min
variable = porepressure
[]
[min_surface_disp]
type = NodalExtremeValue
boundary = zmax
value_type = min
variable = disp_z
[]
[min_surface_pp]
type = NodalExtremeValue
boundary = zmax
value_type = min
variable = porepressure
[]
[max_perm_zz]
type = ElementExtremeValue
block = '2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30'
variable = perm_zz
[]
[]
[Executioner]
type = Transient
solve_type = 'NEWTON'
petsc_options = '-snes_converged_reason'
# best overall
petsc_options_iname = '-pc_type -pc_factor_mat_solver_package'
petsc_options_value = ' lu mumps'
# best if you don't have mumps:
#petsc_options_iname = '-pc_type -pc_asm_overlap -sub_pc_type -ksp_type -ksp_gmres_restart'
#petsc_options_value = ' asm 2 lu gmres 200'
# very basic:
#petsc_options_iname = '-pc_type -ksp_type -ksp_gmres_restart'
#petsc_options_value = ' bjacobi gmres 200'
line_search = bt
nl_abs_tol = 1e-3
nl_rel_tol = 1e-5
l_max_its = 200
nl_max_its = 30
start_time = 0.0
dt = 0.0025
end_time = 0.5
[]
[Outputs]
interval = 1
print_linear_residuals = true
exodus = true
csv = true
console = true
[]
(modules/porous_flow/include/auxkernels/PorousFlowDarcyVelocityComponentLowerDimensional.h)
// This file is part of the MOOSE framework
// https://www.mooseframework.org
//
// All rights reserved, see COPYRIGHT for full restrictions
// https://github.com/idaholab/moose/blob/master/COPYRIGHT
//
// Licensed under LGPL 2.1, please see LICENSE for details
// https://www.gnu.org/licenses/lgpl-2.1.html
#pragma once
#include "PorousFlowDarcyVelocityComponent.h"
/**
* Computes a component of the Darcy velocity:
* -k_ij * krel /(mu a) (nabla_j P - w_j)
* where k_ij is the permeability tensor,
* krel is the relative permeaility,
* mu is the fluid viscosity,
* a is the fracture aperture,
* P is the fluid pressure
* and w_j is the fluid weight tensor that is projected in the tangent direction of this element
* This is measured in m^3 . s^-1 . m^-2
*/
class PorousFlowDarcyVelocityComponentLowerDimensional : public PorousFlowDarcyVelocityComponent
{
public:
static InputParameters validParams();
PorousFlowDarcyVelocityComponentLowerDimensional(const InputParameters & parameters);
protected:
virtual Real computeValue() override;
/// Fracture aperture (width)
const VariableValue & _aperture;
};