- expressionThe user defined function.
C++ Type:FunctionExpression
Unit:(no unit assumed)
Controllable:No
Description:The user defined function.
- print_rpnFalsePrint parsed Reverse Polish Notation (RPN) for debugging.
Default:False
C++ Type:bool
Controllable:No
Description:Print parsed Reverse Polish Notation (RPN) for debugging.
- symbol_namesSymbols (excluding t,x,y,z) that are bound to the values provided by the corresponding items in the symbol_values vector.
C++ Type:std::vector<std::string>
Controllable:No
Description:Symbols (excluding t,x,y,z) that are bound to the values provided by the corresponding items in the symbol_values vector.
- symbol_valuesConstant numeric values, postprocessor names, function names, and scalar variables corresponding to the symbols in symbol_names.
C++ Type:std::vector<std::string>
Controllable:No
Description:Constant numeric values, postprocessor names, function names, and scalar variables corresponding to the symbols in symbol_names.
KokkosParsedFunction
This is the Kokkos version of ParsedFunction. See the original document for details.
commentnote
The Kokkos version does not support using scalar variables for "symbol_values" yet.
Example Syntax
[Functions<<<{"href": "../../../syntax/Functions/index.html"}>>>]
[parsed]
type = KokkosParsedFunction<<<{"description": "Function created by parsing a string", "href": "KokkosParsedFunction.html"}>>>
expression<<<{"description": "The user defined function."}>>> = 'if (x > y, 0.1*x, 0.1*y) + const + t + t_pp'
symbol_names<<<{"description": "Symbols (excluding t,x,y,z) that are bound to the values provided by the corresponding items in the symbol_values vector."}>>> = 'const t_pp'
symbol_values<<<{"description": "Constant numeric values, postprocessor names, function names, and scalar variables corresponding to the symbols in symbol_names."}>>> = '1 time'
print_rpn<<<{"description": "Print parsed Reverse Polish Notation (RPN) for debugging."}>>> = true
[]
[]Input Parameters
- control_tagsAdds user-defined labels for accessing object parameters via control logic.
C++ Type:std::vector<std::string>
Controllable:No
Description:Adds user-defined labels for accessing object parameters via control logic.
- enableTrueSet the enabled status of the MooseObject.
Default:True
C++ Type:bool
Controllable:No
Description:Set the enabled status of the MooseObject.
Advanced Parameters
Input Files
- (test/tests/kokkos/linearfvkernels/diffusion/kokkos_diffusion-2d-internal-neumann.i)
- (test/tests/kokkos/linearfvkernels/advection-diffusion/kokkos_advection_diffusion-1d.i)
- (test/tests/kokkos/linearfvkernels/diffusion/kokkos_diffusion-1d-radial.i)
- (test/tests/kokkos/fe-fv-interplay/multisystem.i)
- (test/tests/kokkos/linearfvkernels/diffusion/kokkos_diffusion-2d.i)
- (test/tests/kokkos/materials/parsed/kokkos_parsed_material.i)
- (test/tests/kokkos/functions/parsed_function/kokkos_parsed_function.i)
- (test/tests/kokkos/linearfvkernels/diffusion/kokkos_diffusion-2d-neumann.i)
- (test/tests/kokkos/linearfvkernels/diffusion/match-non-kokkos.i)
- (test/tests/kokkos/fe-fv-interplay/aux-read-from-fv.i)
symbol_values
C++ Type:std::vector<std::string>
Controllable:No
Description:Constant numeric values, postprocessor names, function names, and scalar variables corresponding to the symbols in symbol_names.
(test/tests/kokkos/functions/parsed_function/kokkos_parsed_function.i)
[Mesh]
type = GeneratedMesh
dim = 2
nx = 10
ny = 10
[]
[Variables]
[u]
[]
[]
[Functions]
[parsed]
type = KokkosParsedFunction
expression = 'if (x > y, 0.1*x, 0.1*y) + const + t + t_pp'
symbol_names = 'const t_pp'
symbol_values = '1 time'
print_rpn = true
[]
[]
[Kernels]
[diff]
type = KokkosParsedFuncCoefDiffusion
variable = u
coef = parsed
[]
[time]
type = KokkosTimeDerivative
variable = u
[]
[]
[BCs]
[left]
type = KokkosDirichletBC
variable = u
boundary = left
value = 0
[]
[right]
type = KokkosNeumannBC
variable = u
boundary = right
value = 1
[]
[]
[Postprocessors]
[time]
type = ParsedPostprocessor
expression = 't'
use_t = true
[]
[]
[Executioner]
type = Transient
num_steps = 10
dt = 0.1
solve_type = PJFNK
petsc_options_iname = '-pc_type -pc_hypre_type'
petsc_options_value = 'hypre boomeramg'
[]
[Outputs]
exodus = true
[]
(test/tests/kokkos/linearfvkernels/diffusion/kokkos_diffusion-2d-internal-neumann.i)
# 2D diffusion MMS test with Neumann normal-gradient BCs on internal block boundaries.
# Exact solution: u = v = 1.5 - x^2
# Diffusion coeff: D = 1 + 0.5*x*y
[Mesh]
[cmg]
type = CartesianMeshGenerator
dim = 2
dx = '0.5 0.5'
ix = '2 2'
dy = '0.5'
iy = '2'
subdomain_id = '1 2'
[]
[left_internal]
type = SideSetsBetweenSubdomainsGenerator
input = cmg
new_boundary = left_internal
primary_block = 1
paired_block = 2
[]
[right_internal]
type = SideSetsBetweenSubdomainsGenerator
input = left_internal
new_boundary = right_internal
primary_block = 2
paired_block = 1
[]
[]
[Problem]
linear_sys_names = 'u_sys'
[]
[Variables]
[u]
type = MooseLinearVariableFVReal
solver_sys = 'u_sys'
block = 1
[]
[v]
type = MooseLinearVariableFVReal
solver_sys = 'u_sys'
block = 2
[]
[]
[LinearFVKernels]
[diffusion_left]
type = KokkosLinearFVDiffusion
variable = u
diffusion_coeff = coeff_func_kokkos
block = 1
[]
[source_left]
type = KokkosLinearFVSource
variable = u
source_density = source_func_kokkos
scaling_factor = unit_fn
block = 1
[]
[diffusion_right]
type = KokkosLinearFVDiffusion
variable = v
diffusion_coeff = coeff_func_kokkos
block = 2
[]
[source_right]
type = KokkosLinearFVSource
variable = v
source_density = source_func_kokkos
scaling_factor = unit_fn
block = 2
[]
[]
[LinearFVBCs]
[dirichlet_left]
type = KokkosLinearFVFunctorDirichletBC
variable = u
boundary = left
functor = analytic_solution_kokkos
[]
[neumann_left_internal]
type = KokkosLinearFVFunctorNeumannBC
variable = u
boundary = left_internal
functor = left_internal_gradient
[]
[dirichlet_right]
type = KokkosLinearFVFunctorDirichletBC
variable = v
boundary = right
functor = analytic_solution_kokkos
[]
[neumann_right_internal]
type = KokkosLinearFVFunctorNeumannBC
variable = v
boundary = right_internal
functor = right_internal_gradient
[]
[]
[Functions]
[unit_fn]
type = KokkosParsedFunction
expression = 1.0
[]
[coeff_func_kokkos]
type = KokkosParsedFunction
expression = '1.0 + 0.5*x*y'
[]
[source_func_kokkos]
type = KokkosParsedFunction
expression = '2.0 + 2.0*x*y'
[]
[analytic_solution_kokkos]
type = KokkosParsedFunction
expression = '1.5 - x*x'
[]
[analytic_solution]
type = ParsedFunction
expression = '1.5 - x*x'
[]
[left_internal_gradient]
type = KokkosParsedFunction
expression = '-1.0'
[]
[right_internal_gradient]
type = KokkosParsedFunction
expression = '1.0'
[]
[]
[Postprocessors]
[h]
type = AverageElementSize
execute_on = FINAL
[]
[left_error]
type = ElementL2FunctorError
approximate = u
exact = analytic_solution
execute_on = FINAL
block = 1
[]
[right_error]
type = ElementL2FunctorError
approximate = v
exact = analytic_solution
execute_on = FINAL
block = 2
[]
[error]
type = ParsedPostprocessor
expression = 'sqrt(left*left + right*right)'
pp_names = 'left_error right_error'
pp_symbols = 'left right'
execute_on = FINAL
[]
[]
[Executioner]
type = Steady
system_names = u_sys
l_tol = 1e-10
petsc_options_iname = '-pc_type -pc_hypre_type'
petsc_options_value = 'hypre boomeramg'
[]
[Outputs]
[csv]
type = CSV
execute_on = FINAL
[]
[console]
type = Console
execute_postprocessors_on = 'FINAL'
[]
[]
(test/tests/kokkos/linearfvkernels/advection-diffusion/kokkos_advection_diffusion-1d.i)
[Mesh]
[gmg]
type = GeneratedMeshGenerator
dim = 1
nx = 2
[]
[]
[Problem]
linear_sys_names = 'u_sys'
[]
[Variables]
[u]
type = MooseLinearVariableFVReal
solver_sys = 'u_sys'
[]
[]
[LinearFVKernels]
[advection]
type = KokkosLinearFVAdvection
variable = u
velocity = '0.5 0 0'
[]
[diffusion]
type = KokkosLinearFVDiffusion
variable = u
diffusion_coeff = unit_fn
[]
[source]
type = KokkosLinearFVSource
variable = u
source_density = source_func_kokkos
scaling_factor = unit_fn
[]
[]
[LinearFVBCs]
[inflow]
type = KokkosLinearFVFunctorDirichletBC
variable = u
boundary = left
functor = analytic_solution_kokkos
[]
[outflow]
type = KokkosLinearFVFunctorNeumannBC
variable = u
boundary = right
functor = zero_fn
[]
[]
[Functions]
[unit_fn]
type = KokkosParsedFunction
expression = 1.0
[]
[zero_fn]
type = KokkosParsedFunction
expression = 0.0
[]
[source_func_kokkos]
type = KokkosParsedFunction
expression = 'x - 3.0'
[]
[analytic_solution_kokkos]
type = KokkosParsedFunction
expression = '1.0 + (1.0 - x) * (1.0 - x)'
[]
[analytic_solution]
type = ParsedFunction
expression = '1.0 + (1.0 - x) * (1.0 - x)'
[]
[]
[Postprocessors]
[h]
type = AverageElementSize
execute_on = FINAL
[]
[error]
type = ElementL2FunctorError
approximate = u
exact = analytic_solution
execute_on = FINAL
[]
[]
[Executioner]
type = Steady
system_names = u_sys
l_tol = 1e-10
petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount -pc_factor_mat_solver_type -mat_mumps_icntl_14'
petsc_options_value = 'lu NONZERO 1e-12 mumps 50'
[]
[Outputs]
[csv]
type = CSV
execute_on = FINAL
[]
[console]
type = Console
execute_postprocessors_on = 'FINAL'
[]
[]
(test/tests/kokkos/linearfvkernels/diffusion/kokkos_diffusion-1d-radial.i)
[Mesh]
[gmg]
type = GeneratedMeshGenerator
dim = 1
nx = 2
xmin = 1
xmax = 2
[]
coord_type = RZ
[]
[Problem]
linear_sys_names = 'u_sys'
[]
[Variables]
[u]
type = MooseLinearVariableFVReal
solver_sys = 'u_sys'
[]
[]
[LinearFVKernels]
[diffusion]
type = KokkosLinearFVDiffusion
variable = u
diffusion_coeff = unit_fn
[]
[source]
type = KokkosLinearFVSource
variable = u
source_density = source_func_kokkos
scaling_factor = unit_fn
[]
[]
[LinearFVBCs]
[dirichlet]
type = KokkosLinearFVFunctorDirichletBC
variable = u
boundary = 'left right'
functor = analytic_solution_kokkos
[]
[]
[Functions]
[unit_fn]
type = KokkosParsedFunction
expression = 1
[]
[source_func_kokkos]
type = KokkosParsedFunction
expression = 4
[]
[analytic_solution_kokkos]
type = KokkosParsedFunction
expression = '5-x*x'
[]
[analytic_solution]
type = ParsedFunction
expression = '5-x*x'
[]
[]
[Postprocessors]
[h]
type = AverageElementSize
execute_on = FINAL
[]
[error]
type = ElementL2FunctorError
approximate = u
exact = analytic_solution
execute_on = FINAL
[]
[]
[Executioner]
type = Steady
system_names = u_sys
l_tol = 1e-10
petsc_options_iname = '-pc_type -pc_factor_shift_type -pc_factor_shift_amount'
petsc_options_value = 'lu NONZERO 1e-12'
[]
[Outputs]
[csv]
type = CSV
execute_on = FINAL
[]
[console]
type = Console
execute_postprocessors_on = FINAL
[]
[]
(test/tests/kokkos/fe-fv-interplay/multisystem.i)
[Mesh]
[gmg]
type = GeneratedMeshGenerator
dim = 1
nx = 5
[]
[]
[Problem]
nl_sys_names = 'u_sys'
linear_sys_names = 'v_sys'
[]
[Variables]
[u]
solver_sys = 'u_sys'
[]
[v]
type = MooseLinearVariableFVReal
solver_sys = 'v_sys'
[]
[]
[Kernels]
[diff]
type = KokkosDiffusion
variable = u
[]
[coupled]
type = CoupledForce
variable = u
v = v
[]
[]
[LinearFVKernels]
[diff]
type = KokkosLinearFVDiffusion
diffusion_coeff = 'unity'
variable = v
[]
[coupled]
type = LinearFVSource
source_density = u
variable = v
[]
[]
[BCs]
[left]
type = KokkosDirichletBC
boundary = 'left'
variable = u
value = 0
[]
[right]
type = KokkosDirichletBC
boundary = 'right'
variable = u
value = 1
[]
[]
[LinearFVBCs]
[left]
type = KokkosLinearFVFunctorDirichletBC
boundary = 'left'
variable = v
functor = 'zero'
[]
[right]
type = KokkosLinearFVFunctorDirichletBC
boundary = 'right'
variable = v
functor = 'unity'
[]
[]
[Functions]
[zero]
type = KokkosParsedFunction
expression = '0'
[]
[unity]
type = KokkosParsedFunction
expression = '1'
[]
[]
[Postprocessors]
[fe_avg]
type = ElementAverageValue
variable = u
execute_on = FINAL
[]
[fv_avg]
type = ElementAverageFunctorPostprocessor
functor = v
execute_on = FINAL
evaluation_type = CELL_AVERAGE
[]
[]
[Convergence]
[fixed_point]
type = IterationCountConvergence
converge_at_max_iterations = true
min_iterations = 10
max_iterations = 10
[]
[]
[Executioner]
type = Steady
petsc_options_iname = '-pc_type -pc_hypre_type'
petsc_options_value = 'hypre boomeramg'
system_names = 'u_sys v_sys'
multi_system_fixed_point = true
multi_system_fixed_point_convergence = fixed_point
nl_abs_tol = 1e-12
l_tol = 1e-12
[]
[Outputs]
[csv]
type = CSV
execute_on = FINAL
[]
[console]
type = Console
execute_postprocessors_on = FINAL
[]
[]
(test/tests/kokkos/linearfvkernels/diffusion/kokkos_diffusion-2d.i)
[Mesh]
[gmg]
type = GeneratedMeshGenerator
dim = 2
nx = 2
ny = 1
ymax = 0.5
[]
[]
[Problem]
linear_sys_names = 'u_sys'
[]
[Variables]
[u]
type = MooseLinearVariableFVReal
solver_sys = 'u_sys'
[]
[]
[LinearFVKernels]
[diffusion]
type = KokkosLinearFVDiffusion
variable = u
diffusion_coeff = coeff_func_kokkos
[]
[source]
type = KokkosLinearFVSource
variable = u
source_density = source_func_kokkos
scaling_factor = unit_fn
[]
[]
[LinearFVBCs]
[dir]
type = KokkosLinearFVFunctorDirichletBC
variable = u
boundary = "left right top bottom"
functor = analytic_solution_kokkos
[]
[]
[Functions]
[unit_fn]
type = KokkosParsedFunction
expression = 1.0
[]
[coeff_func_kokkos]
type = KokkosParsedFunction
expression = '1.0 + 0.5*x*y'
[]
[source_func_kokkos]
type = KokkosParsedFunction
expression = '2*(1.5-y*y) + 2*x*y*(1.5-y*y) + 2*(1.5-x*x) + 2*x*y*(1.5-x*x)'
[]
[analytic_solution_kokkos]
type = KokkosParsedFunction
expression = '(1.5-x*x)*(1.5-y*y)'
[]
[analytic_solution]
type = ParsedFunction
expression = '(1.5-x*x)*(1.5-y*y)'
[]
[]
[Postprocessors]
[h]
type = AverageElementSize
execute_on = FINAL
[]
[error]
type = ElementL2FunctorError
approximate = u
exact = analytic_solution
execute_on = FINAL
[]
[]
[Executioner]
type = Steady
system_names = u_sys
l_tol = 1e-10
petsc_options_iname = '-pc_type -pc_hypre_type'
petsc_options_value = 'hypre boomeramg'
[]
[Outputs]
[csv]
type = CSV
execute_on = FINAL
[]
[console]
type = Console
execute_postprocessors_on = 'FINAL'
[]
[]
(test/tests/kokkos/materials/parsed/kokkos_parsed_material.i)
[Mesh]
type = GeneratedMesh
dim = 2
xmax = 10
ymax = 10
nx = 10
ny = 10
[]
[Variables]
[u]
[]
[]
[AuxVariables]
[phi]
[]
[hm]
family = MONOMIAL
order = CONSTANT
[]
[]
[ICs]
[phi_IC]
type = FunctionIC
variable = phi
function = ic_func_phi
[]
[]
[Functions]
[ic_func_phi]
type = ParsedFunction
expression = '0.5 * (1 - tanh((x - 5) / 0.8))'
[]
[tf]
type = KokkosParsedFunction
expression = '1 + sin(y)'
[]
[]
[BCs]
[top]
type = KokkosMatNeumannBC
variable = u
boundary = top
value = 2
boundary_material = hm
[]
[]
[Kernels]
[dudt]
type = KokkosTimeDerivative
variable = u
[]
[diff]
type = KokkosDiffusion
variable = u
[]
[]
[AuxKernels]
[hm]
type = KokkosMaterialRealAux
variable = hm
property = hm
execute_on = 'INITIAL'
[]
[]
[Materials]
[mat]
type = KokkosParsedMaterial
property_name = hm
coupled_variables = 'phi'
function_names = 'tf'
expression = '3*phi^2 - 2*phi^3 + tf'
[]
[]
[Executioner]
type = Transient
solve_type = 'PJFNK'
end_time = 10
[]
[Outputs]
exodus = true
[]
(test/tests/kokkos/functions/parsed_function/kokkos_parsed_function.i)
[Mesh]
type = GeneratedMesh
dim = 2
nx = 10
ny = 10
[]
[Variables]
[u]
[]
[]
[Functions]
[parsed]
type = KokkosParsedFunction
expression = 'if (x > y, 0.1*x, 0.1*y) + const + t + t_pp'
symbol_names = 'const t_pp'
symbol_values = '1 time'
print_rpn = true
[]
[]
[Kernels]
[diff]
type = KokkosParsedFuncCoefDiffusion
variable = u
coef = parsed
[]
[time]
type = KokkosTimeDerivative
variable = u
[]
[]
[BCs]
[left]
type = KokkosDirichletBC
variable = u
boundary = left
value = 0
[]
[right]
type = KokkosNeumannBC
variable = u
boundary = right
value = 1
[]
[]
[Postprocessors]
[time]
type = ParsedPostprocessor
expression = 't'
use_t = true
[]
[]
[Executioner]
type = Transient
num_steps = 10
dt = 0.1
solve_type = PJFNK
petsc_options_iname = '-pc_type -pc_hypre_type'
petsc_options_value = 'hypre boomeramg'
[]
[Outputs]
exodus = true
[]
(test/tests/kokkos/linearfvkernels/diffusion/kokkos_diffusion-2d-neumann.i)
# 2D diffusion MMS test with mixed Dirichlet (left/right) and Neumann (top/bottom) BCs.
# Exact solution: u = (1.5 - x^2)(1.5 - y^2)
# Diffusion coeff: D = 1 + 0.5*x*y
# Neumann normal gradient on bottom (n = -y): -du/dy|_{y=0} = 0 (du/dy = 0 at y=0)
# Neumann normal gradient on top (n = +y): du/dy|_{y=ymax}
[Mesh]
[gmg]
type = GeneratedMeshGenerator
dim = 2
nx = 2
ny = 2
ymax = 0.5
[]
[]
[Problem]
linear_sys_names = 'u_sys'
[]
[Variables]
[u]
type = MooseLinearVariableFVReal
solver_sys = 'u_sys'
[]
[]
[LinearFVKernels]
[diffusion]
type = KokkosLinearFVDiffusion
variable = u
diffusion_coeff = coeff_func_kokkos
[]
[source]
type = KokkosLinearFVSource
variable = u
source_density = source_func_kokkos
scaling_factor = unit_fn
[]
[]
[LinearFVBCs]
[dirichlet_lr]
type = KokkosLinearFVFunctorDirichletBC
variable = u
boundary = 'left right'
functor = analytic_solution_kokkos
[]
[neumann_bottom]
type = KokkosLinearFVFunctorNeumannBC
variable = u
boundary = 'bottom'
functor = neumann_bottom_gradient
[]
[neumann_top]
type = KokkosLinearFVFunctorNeumannBC
variable = u
boundary = 'top'
functor = neumann_top_gradient
[]
[]
[Functions]
[unit_fn]
type = KokkosParsedFunction
expression = 1.0
[]
[coeff_func_kokkos]
type = KokkosParsedFunction
expression = '1.0 + 0.5*x*y'
[]
[source_func_kokkos]
type = KokkosParsedFunction
expression = '2*(1.5-y*y) + 2*x*y*(1.5-y*y) + 2*(1.5-x*x) + 2*x*y*(1.5-x*x)'
[]
[analytic_solution_kokkos]
type = KokkosParsedFunction
expression = '(1.5-x*x)*(1.5-y*y)'
[]
[analytic_solution]
type = ParsedFunction
expression = '(1.5-x*x)*(1.5-y*y)'
[]
# Outward normal gradient on bottom (n = -y): -du/dy|_{y=0} = 0
[neumann_bottom_gradient]
type = KokkosParsedFunction
expression = 0.0
[]
# Outward normal gradient on top (n = +y): du/dy|_{y=ymax}
# du/dy = (1.5-x^2)*(-2*ymax)
[neumann_top_gradient]
type = KokkosParsedFunction
expression = '(1.5-x*x)*(-2.0*0.5)'
[]
[]
[Postprocessors]
[h]
type = AverageElementSize
execute_on = FINAL
[]
[error]
type = ElementL2FunctorError
approximate = u
exact = analytic_solution
execute_on = FINAL
[]
[]
[Executioner]
type = Steady
system_names = u_sys
l_tol = 1e-10
petsc_options_iname = '-pc_type -pc_hypre_type'
petsc_options_value = 'hypre boomeramg'
[]
[Outputs]
[csv]
type = CSV
execute_on = FINAL
[]
[console]
type = Console
execute_postprocessors_on = 'FINAL'
[]
[]
(test/tests/kokkos/linearfvkernels/diffusion/match-non-kokkos.i)
[Mesh]
[gmg]
type = GeneratedMeshGenerator
dim = 1
nx = 10
[]
[]
[Problem]
linear_sys_names = 'u_sys'
[]
[Variables]
[u]
type = MooseLinearVariableFVReal
solver_sys = 'u_sys'
initial_condition = 1.0
[]
[]
[AuxVariables]
[v_volume]
type = MooseLinearVariableFVReal
initial_condition = 50
[]
[v_functor]
type = MooseLinearVariableFVReal
initial_condition = 25
[]
[v_parsed]
type = MooseLinearVariableFVReal
initial_condition = 12.5
[]
[]
[AuxKernels]
[volume]
type = VolumeAux
variable = v_volume
[]
[functor]
type = FunctorAux
variable = v_functor
functor = u
[]
[parsed]
type = ParsedAux
variable = v_parsed
coupled_variables = 'v_volume v_functor'
expression = '0.5*v_volume+0.5*v_functor'
[]
[]
[LinearFVKernels]
[diffusion]
type = KokkosLinearFVDiffusion
variable = u
diffusion_coeff = coeff_func
[]
[source]
type = KokkosLinearFVSource
variable = u
source_density = source_func
scaling_factor = unit_fn
[]
[]
[LinearFVBCs]
[dir]
type = KokkosLinearFVFunctorDirichletBC
variable = u
boundary = "left right"
functor = analytic_solution
[]
[]
[Functions]
[unit_fn]
type = KokkosParsedFunction
expression = '1'
[]
[coeff_func]
type = KokkosParsedFunction
expression = '0.5*x'
[]
[source_func]
type = KokkosParsedFunction
expression = '2*x'
[]
[analytic_solution]
type = KokkosParsedFunction
expression = '1-x*x'
[]
[]
[Executioner]
type = Steady
system_names = u_sys
l_tol = 1e-10
petsc_options_iname = '-pc_type -pc_hypre_type'
petsc_options_value = 'hypre boomeramg'
[]
[Outputs]
file_base = diffusion-1d-aux_out
exodus = true
execute_on = TIMESTEP_END
[]
(test/tests/kokkos/fe-fv-interplay/aux-read-from-fv.i)
[Mesh]
[gmg]
type = GeneratedMeshGenerator
dim = 2
nx = 4
ny = 2
[]
[]
[Problem]
linear_sys_names = 'u_sys'
[]
[Variables]
[u]
type = MooseLinearVariableFVReal
solver_sys = 'u_sys'
[]
[]
[AuxVariables]
[v]
family = MONOMIAL
order = CONSTANT
[]
[]
[AuxKernels]
[v]
type = KokkosCopyValueAux
source = u
variable = v
[]
[]
[LinearFVKernels]
[diffusion]
type = KokkosLinearFVDiffusion
variable = u
diffusion_coeff = 'unity'
[]
[]
[LinearFVBCs]
[left]
type = KokkosLinearFVFunctorDirichletBC
variable = u
boundary = "left"
functor = 'zero'
[]
[right]
type = KokkosLinearFVFunctorDirichletBC
variable = u
boundary = "right"
functor = 'unity'
[]
[]
[Functions]
[zero]
type = KokkosParsedFunction
expression = '0'
[]
[unity]
type = KokkosParsedFunction
expression = '1'
[]
[]
[Postprocessors]
[kokkos_avg]
type = KokkosElementAverageValue
variable = v
execute_on = FINAL
[]
[linear_fv_avg]
type = ElementAverageFunctorPostprocessor
functor = 'u'
execute_on = FINAL
evaluation_type = CELL_AVERAGE
[]
[]
[Executioner]
type = Steady
system_names = u_sys
l_tol = 1e-10
petsc_options_iname = '-pc_type -pc_hypre_type'
petsc_options_value = 'hypre boomeramg'
[]
[Outputs]
[csv]
type = CSV
execute_on = FINAL
[]
[console]
type = Console
execute_on = FINAL
[]
[]