Compute1DSmallStrain Class Reference

Compute1DSmallStrain defines a strain tensor, assuming small strains, in 1D problems, handling strains in other two directions. More...

#include <Compute1DSmallStrain.h>

Inheritance diagram for Compute1DSmallStrain:

Public Member Functions
	Compute1DSmallStrain (const InputParameters &parameters)
void	computeProperties () override
void	initialSetup () override

Static Public Member Functions
static InputParameters	validParams ()

Protected Member Functions
virtual Real	computeStrainYY ()=0
	Computes the strain_yy; as a virtual function, this function is overwritten for the specific geometries defined by inheriting classes. More...
virtual Real	computeStrainZZ ()=0
	Computes the strain_zz; as a virtual function, this function is overwritten for the specific geometries defined by inheriting classes. More...
virtual void	initQpStatefulProperties () override
virtual void	displacementIntegrityCheck ()

Protected Attributes
unsigned int	_ndisp
	Coupled displacement variables. More...
std::vector< const VariableValue * >	_disp
std::vector< const VariableGradient * >	_grad_disp
const std::string	_base_name
MaterialProperty< RankTwoTensor > &	_mechanical_strain
MaterialProperty< RankTwoTensor > &	_total_strain
std::vector< MaterialPropertyName >	_eigenstrain_names
std::vector< const MaterialProperty< RankTwoTensor > * >	_eigenstrains
const MaterialProperty< RankTwoTensor > *	_global_strain
const bool	_volumetric_locking_correction
const Real &	_current_elem_volume

Detailed Description

Compute1DSmallStrain defines a strain tensor, assuming small strains, in 1D problems, handling strains in other two directions.

Compute1DSmallStrain contains virtual methods to define the strain_yy and strain_zz as a general nonzero value.

Definition at line 25 of file Compute1DSmallStrain.h.

Constructor & Destructor Documentation

Compute1DSmallStrain()

Compute1DSmallStrain::Compute1DSmallStrain

(

const InputParameters &

parameters

)

Definition at line 24 of file Compute1DSmallStrain.C.

  : ComputeSmallStrain(parameters)
{
}

Member Function Documentation

computeProperties()

void Compute1DSmallStrain::computeProperties ( )

overridevirtual

Reimplemented from ComputeSmallStrain.

Definition at line 30 of file Compute1DSmallStrain.C.

{
  for (_qp = 0; _qp < _qrule->n_points(); ++_qp)
  {
    _total_strain[_qp](0, 0) = (*_grad_disp[0])[_qp](0);
    _total_strain[_qp](1, 1) = computeStrainYY();
    _total_strain[_qp](2, 2) = computeStrainZZ();
 
    _mechanical_strain[_qp] = _total_strain[_qp];
 
    // Remove the eigenstrain
    for (auto es : _eigenstrains)
      _mechanical_strain[_qp] -= (*es)[_qp];
  }
}

computeStrainYY()

virtual Real Compute1DSmallStrain::computeStrainYY ( )

protectedpure virtual

Computes the strain_yy; as a virtual function, this function is overwritten for the specific geometries defined by inheriting classes.

Implemented in ComputeAxisymmetric1DSmallStrain.

Referenced by computeProperties().

computeStrainZZ()

virtual Real Compute1DSmallStrain::computeStrainZZ ( )

protectedpure virtual

Computes the strain_zz; as a virtual function, this function is overwritten for the specific geometries defined by inheriting classes.

Implemented in ComputeAxisymmetric1DSmallStrain.

Referenced by computeProperties().

displacementIntegrityCheck()

void ComputeStrainBase::displacementIntegrityCheck ( )

protectedvirtualinherited

Reimplemented in Compute2DFiniteStrain, Compute2DIncrementalStrain, and Compute2DSmallStrain.

Definition at line 94 of file ComputeStrainBase.C.

{
  // Checking for consistency between mesh size and length of the provided displacements vector
  if (_ndisp != _mesh.dimension())
    paramError(
        "displacements",
        "The number of variables supplied in 'displacements' must match the mesh dimension.");
}

Referenced by ComputeStrainBase::initialSetup().

initialSetup()

void ComputeStrainBase::initialSetup ( )

overrideinherited

Definition at line 75 of file ComputeStrainBase.C.

{
  displacementIntegrityCheck();
  // fetch coupled variables and gradients (as stateful properties if necessary)
  for (unsigned int i = 0; i < _ndisp; ++i)
  {
    _disp[i] = &coupledValue("displacements", i);
    _grad_disp[i] = &coupledGradient("displacements", i);
  }
 
  // set unused dimensions to zero
  for (unsigned i = _ndisp; i < 3; ++i)
  {
    _disp[i] = &_zero;
    _grad_disp[i] = &_grad_zero;
  }
}

Referenced by ComputeIncrementalStrainBase::initialSetup(), and ComputeAxisymmetric1DSmallStrain::initialSetup().

initQpStatefulProperties()

void ComputeStrainBase::initQpStatefulProperties ( )

overrideprotectedvirtualinherited

Reimplemented in ComputeIncrementalStrainBase, and ComputeCosseratIncrementalSmallStrain.

Definition at line 104 of file ComputeStrainBase.C.

{
  _mechanical_strain[_qp].zero();
  _total_strain[_qp].zero();
}

validParams()

InputParameters Compute1DSmallStrain::validParams ( )

static

Definition at line 17 of file Compute1DSmallStrain.C.

{
  InputParameters params = ComputeSmallStrain::validParams();
  params.addClassDescription("Compute a small strain in 1D problem");
  return params;
}

Referenced by ComputeAxisymmetric1DSmallStrain::validParams().

Member Data Documentation

_base_name

const std::string ComputeStrainBase::_base_name

protectedinherited

Definition at line 44 of file ComputeStrainBase.h.

Referenced by ComputeStrainBase::ComputeStrainBase().

_current_elem_volume

const Real& ComputeStrainBase::_current_elem_volume

protectedinherited

Definition at line 56 of file ComputeStrainBase.h.

Referenced by ComputeFiniteStrain::computeProperties(), ComputeSmallStrain::computeProperties(), ComputeIncrementalSmallStrain::computeProperties(), Compute2DFiniteStrain::computeProperties(), and Compute2DSmallStrain::computeProperties().

_disp

std::vector<const VariableValue *> ComputeStrainBase::_disp

protectedinherited

Definition at line 41 of file ComputeStrainBase.h.

Referenced by ComputeAxisymmetric1DFiniteStrain::computeGradDispZZ(), ComputeAxisymmetric1DIncrementalStrain::computeGradDispZZ(), ComputeAxisymmetricRZIncrementalStrain::computeOutOfPlaneGradDisp(), ComputeAxisymmetricRZFiniteStrain::computeOutOfPlaneGradDisp(), ComputeAxisymmetricRZSmallStrain::computeOutOfPlaneStrain(), ComputeRSphericalSmallStrain::computeProperties(), ComputeRSphericalFiniteStrain::computeProperties(), ComputeAxisymmetric1DSmallStrain::computeStrainZZ(), ComputeRSphericalIncrementalStrain::computeTotalStrainIncrement(), Compute2DSmallStrain::initialSetup(), Compute2DIncrementalStrain::initialSetup(), Compute2DFiniteStrain::initialSetup(), and ComputeStrainBase::initialSetup().

_eigenstrain_names

std::vector<MaterialPropertyName> ComputeStrainBase::_eigenstrain_names

protectedinherited

Definition at line 50 of file ComputeStrainBase.h.

Referenced by ComputeIncrementalStrainBase::ComputeIncrementalStrainBase(), and ComputeStrainBase::ComputeStrainBase().

_eigenstrains

std::vector<const MaterialProperty<RankTwoTensor> *> ComputeStrainBase::_eigenstrains

protectedinherited

Definition at line 51 of file ComputeStrainBase.h.

Referenced by ComputeSmallStrain::computeProperties(), ComputeRSphericalSmallStrain::computeProperties(), computeProperties(), Compute2DSmallStrain::computeProperties(), ComputeCosseratSmallStrain::computeQpProperties(), ComputeCrackTipEnrichmentSmallStrain::computeQpProperties(), ComputeStrainBase::ComputeStrainBase(), and ComputeIncrementalStrainBase::subtractEigenstrainIncrementFromStrain().

_global_strain

const MaterialProperty<RankTwoTensor>* ComputeStrainBase::_global_strain

protectedinherited

Definition at line 53 of file ComputeStrainBase.h.

Referenced by ComputeSmallStrain::computeProperties(), and ComputeFiniteStrain::computeQpStrain().

_grad_disp

std::vector<const VariableGradient *> ComputeStrainBase::_grad_disp

protectedinherited

Definition at line 42 of file ComputeStrainBase.h.

Referenced by ComputeFiniteStrain::computeProperties(), ComputeSmallStrain::computeProperties(), Compute1DFiniteStrain::computeProperties(), ComputeRSphericalSmallStrain::computeProperties(), computeProperties(), Compute2DFiniteStrain::computeProperties(), Compute2DSmallStrain::computeProperties(), ComputeRSphericalFiniteStrain::computeProperties(), ComputeCosseratSmallStrain::computeQpProperties(), ComputeCosseratIncrementalSmallStrain::computeQpProperties(), ComputeCrackTipEnrichmentSmallStrain::computeQpProperties(), ComputeIncrementalSmallStrain::computeTotalStrainIncrement(), Compute1DIncrementalStrain::computeTotalStrainIncrement(), ComputeRSphericalIncrementalStrain::computeTotalStrainIncrement(), Compute2DIncrementalStrain::computeTotalStrainIncrement(), Compute2DSmallStrain::initialSetup(), Compute2DFiniteStrain::initialSetup(), Compute2DIncrementalStrain::initialSetup(), and ComputeStrainBase::initialSetup().

_mechanical_strain

MaterialProperty<RankTwoTensor>& ComputeStrainBase::_mechanical_strain

protectedinherited

Definition at line 46 of file ComputeStrainBase.h.

Referenced by ComputeSmallStrain::computeProperties(), ComputeIncrementalSmallStrain::computeProperties(), ComputeRSphericalSmallStrain::computeProperties(), computeProperties(), Compute2DSmallStrain::computeProperties(), ComputeCosseratSmallStrain::computeQpProperties(), ComputeCosseratIncrementalSmallStrain::computeQpProperties(), ComputeCrackTipEnrichmentSmallStrain::computeQpProperties(), ComputeFiniteStrain::computeQpStrain(), ComputeIncrementalStrainBase::initQpStatefulProperties(), and ComputeStrainBase::initQpStatefulProperties().

_ndisp

unsigned int ComputeStrainBase::_ndisp

protectedinherited

Coupled displacement variables.

Definition at line 40 of file ComputeStrainBase.h.

Referenced by ComputeCrackTipEnrichmentSmallStrain::ComputeCrackTipEnrichmentSmallStrain(), ComputeCrackTipEnrichmentSmallStrain::computeQpProperties(), ComputeStrainBase::ComputeStrainBase(), Compute2DIncrementalStrain::displacementIntegrityCheck(), Compute2DSmallStrain::displacementIntegrityCheck(), ComputeStrainBase::displacementIntegrityCheck(), Compute2DFiniteStrain::displacementIntegrityCheck(), ComputeIncrementalStrainBase::initialSetup(), and ComputeStrainBase::initialSetup().

_total_strain

MaterialProperty<RankTwoTensor>& ComputeStrainBase::_total_strain

protectedinherited

Definition at line 48 of file ComputeStrainBase.h.

Referenced by ComputeSmallStrain::computeProperties(), ComputeIncrementalSmallStrain::computeProperties(), ComputeRSphericalSmallStrain::computeProperties(), computeProperties(), Compute2DSmallStrain::computeProperties(), ComputeCosseratSmallStrain::computeQpProperties(), ComputeCosseratIncrementalSmallStrain::computeQpProperties(), ComputeCrackTipEnrichmentSmallStrain::computeQpProperties(), ComputeFiniteStrain::computeQpStrain(), ComputeIncrementalStrainBase::initQpStatefulProperties(), and ComputeStrainBase::initQpStatefulProperties().

_volumetric_locking_correction

const bool ComputeStrainBase::_volumetric_locking_correction

protectedinherited

Definition at line 55 of file ComputeStrainBase.h.

Referenced by ComputeFiniteStrain::computeProperties(), ComputeSmallStrain::computeProperties(), ComputeIncrementalSmallStrain::computeProperties(), Compute2DSmallStrain::computeProperties(), Compute2DFiniteStrain::computeProperties(), and ComputeStrainBase::ComputeStrainBase().

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The documentation for this class was generated from the following files:

• tensor_mechanics/include/materials/Compute1DSmallStrain.h
• tensor_mechanics/src/materials/Compute1DSmallStrain.C