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ComputeRSphericalSmallStrain Class Reference

ComputeRSphericalSmallStrain defines a strain tensor, assuming small strains, in a 1D simulation assumming spherical symmetry. More...

#include <ComputeRSphericalSmallStrain.h>

Inheritance diagram for ComputeRSphericalSmallStrain:
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Public Member Functions

 ComputeRSphericalSmallStrain (const InputParameters &parameters)
 

Protected Member Functions

virtual void computeProperties () override
 
void initialSetup () override
 
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
 
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
 
bool _volumetric_locking_correction
 
const Real & _current_elem_volume
 

Detailed Description

ComputeRSphericalSmallStrain defines a strain tensor, assuming small strains, in a 1D simulation assumming spherical symmetry.

The polar and azimuthal strains are functions of the radial displacement and radial position in this 1D problem.

Definition at line 26 of file ComputeRSphericalSmallStrain.h.

Constructor & Destructor Documentation

◆ ComputeRSphericalSmallStrain()

ComputeRSphericalSmallStrain::ComputeRSphericalSmallStrain ( const InputParameters &  parameters)

Definition at line 26 of file ComputeRSphericalSmallStrain.C.

27  : ComputeSmallStrain(parameters)
28 {
29 }
ComputeSmallStrain(const InputParameters &parameters)

Member Function Documentation

◆ computeProperties()

void ComputeRSphericalSmallStrain::computeProperties ( )
overrideprotectedvirtual

Reimplemented from ComputeSmallStrain.

Definition at line 32 of file ComputeRSphericalSmallStrain.C.

33 {
34  for (_qp = 0; _qp < _qrule->n_points(); ++_qp)
35  {
36  _total_strain[_qp](0, 0) = (*_grad_disp[0])[_qp](0);
37 
38  if (_q_point[_qp](0) != 0.0)
39  _total_strain[_qp](1, 1) = (*_disp[0])[_qp] / _q_point[_qp](0);
40 
41  else
42  _total_strain[_qp](1, 1) = 0.0;
43 
44  // \epsilon_{\theta \theta} = \epsilon{\phi \phi} in this 1D spherical system
45  _total_strain[_qp](2, 2) = _total_strain[_qp](1, 1);
46 
48 
49  // Remove the eigenstrains
50  for (auto es : _eigenstrains)
51  _mechanical_strain[_qp] -= (*es)[_qp];
52  }
53 }
std::vector< const VariableValue * > _disp
MaterialProperty< RankTwoTensor > & _mechanical_strain
MaterialProperty< RankTwoTensor > & _total_strain
std::vector< const MaterialProperty< RankTwoTensor > * > _eigenstrains
std::vector< const VariableGradient * > _grad_disp

◆ displacementIntegrityCheck()

void ComputeStrainBase::displacementIntegrityCheck ( )
protectedvirtualinherited

Reimplemented in Compute2DFiniteStrain, Compute2DIncrementalStrain, and Compute2DSmallStrain.

Definition at line 86 of file ComputeStrainBase.C.

Referenced by ComputeStrainBase::initialSetup().

87 {
88  // Checking for consistency between mesh size and length of the provided displacements vector
89  if (_ndisp != _mesh.dimension())
90  paramError(
91  "displacements",
92  "The number of variables supplied in 'displacements' must match the mesh dimension.");
93 }
unsigned int _ndisp
Coupled displacement variables.

◆ initialSetup()

void ComputeStrainBase::initialSetup ( )
overrideprotectedinherited

Definition at line 67 of file ComputeStrainBase.C.

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

68 {
70  // fetch coupled variables and gradients (as stateful properties if necessary)
71  for (unsigned int i = 0; i < _ndisp; ++i)
72  {
73  _disp[i] = &coupledValue("displacements", i);
74  _grad_disp[i] = &coupledGradient("displacements", i);
75  }
76 
77  // set unused dimensions to zero
78  for (unsigned i = _ndisp; i < 3; ++i)
79  {
80  _disp[i] = &_zero;
81  _grad_disp[i] = &_grad_zero;
82  }
83 }
virtual void displacementIntegrityCheck()
std::vector< const VariableValue * > _disp
unsigned int _ndisp
Coupled displacement variables.
std::vector< const VariableGradient * > _grad_disp

◆ initQpStatefulProperties()

void ComputeStrainBase::initQpStatefulProperties ( )
overrideprotectedvirtualinherited

Reimplemented in ComputeCosseratIncrementalSmallStrain, and ComputeIncrementalStrainBase.

Definition at line 96 of file ComputeStrainBase.C.

97 {
98  _mechanical_strain[_qp].zero();
99  _total_strain[_qp].zero();
100 }
MaterialProperty< RankTwoTensor > & _mechanical_strain
MaterialProperty< RankTwoTensor > & _total_strain

Member Data Documentation

◆ _base_name

std::string ComputeStrainBase::_base_name
protectedinherited

Definition at line 43 of file ComputeStrainBase.h.

Referenced by ComputeStrainBase::ComputeStrainBase().

◆ _current_elem_volume

const Real& ComputeStrainBase::_current_elem_volume
protectedinherited

◆ _disp

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

◆ _eigenstrain_names

std::vector<MaterialPropertyName> ComputeStrainBase::_eigenstrain_names
protectedinherited

◆ _eigenstrains

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

◆ _global_strain

const MaterialProperty<RankTwoTensor>* ComputeStrainBase::_global_strain
protectedinherited

◆ _grad_disp

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

◆ _mechanical_strain

MaterialProperty<RankTwoTensor>& ComputeStrainBase::_mechanical_strain
protectedinherited

◆ _ndisp

unsigned int ComputeStrainBase::_ndisp
protectedinherited

◆ _total_strain

MaterialProperty<RankTwoTensor>& ComputeStrainBase::_total_strain
protectedinherited

◆ _volumetric_locking_correction

bool ComputeStrainBase::_volumetric_locking_correction
protectedinherited

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