Material class to define elasticity tensor for conventional plane stress of isotropic material. More...

#include <ComputePlaneStressIsotropicElasticityTensor.h>

Inheritance diagram for ComputePlaneStressIsotropicElasticityTensor:

Public Member Functions
	ComputePlaneStressIsotropicElasticityTensor (const InputParameters &parameters)

bool	hasGuarantee (const MaterialPropertyName &prop_name, Guarantee guarantee)

Static Public Member Functions
static InputParameters	validParams ()

Protected Member Functions
virtual void	computeQpElasticityTensor () override

virtual void	computeQpProperties ()

void	issueGuarantee (const MaterialPropertyName &prop_name, Guarantee guarantee)

void	revokeGuarantee (const MaterialPropertyName &prop_name, Guarantee guarantee)

Protected Attributes
bool	_bulk_modulus_set
	Elastic constants. More...

bool	_lambda_set

bool	_poissons_ratio_set

bool	_shear_modulus_set

bool	_youngs_modulus_set

Real	_bulk_modulus

Real	_lambda

Real	_poissons_ratio

Real	_shear_modulus

Real	_youngs_modulus

RankFourTensor	_Cijkl
	Individual elasticity tensor. More...

Real	_effective_stiffness_local
	Effective stiffness of the element: function of material properties. More...

const std::string	_base_name

std::string	_elasticity_tensor_name

MaterialProperty< RankFourTensor > &	_elasticity_tensor

MaterialProperty< Real > &	_effective_stiffness

const Function *const	_prefactor_function
	prefactor function to multiply the elasticity tensor with More...

Private Attributes
std::map< MaterialPropertyName, std::set< Guarantee > >	_guarantees

Detailed Description

Material class to define elasticity tensor for conventional plane stress of isotropic material.

Definition at line 22 of file ComputePlaneStressIsotropicElasticityTensor.h.

Constructor & Destructor Documentation

◆ ComputePlaneStressIsotropicElasticityTensor()

ComputePlaneStressIsotropicElasticityTensor::ComputePlaneStressIsotropicElasticityTensor ( const InputParameters & parameters )

Definition at line 26 of file ComputePlaneStressIsotropicElasticityTensor.C.

   : ComputeIsotropicElasticityTensor(parameters)
 {
   // Retrieve youngs_modulus and poissons_ratio from the general 3D elasticity_tensor
   Real youngs_modulus = ElasticityTensorTools::getIsotropicYoungsModulus(_Cijkl);
   Real poissons_ratio = ElasticityTensorTools::getIsotropicPoissonsRatio(_Cijkl);
  
   // Reconstructe the elasticity tensor specific for plane stress case
   _Cijkl.zero();
   _Cijkl(0, 0, 0, 0) = _Cijkl(1, 1, 1, 1) =
       youngs_modulus / (1.0 + poissons_ratio) / (1.0 - poissons_ratio);
   _Cijkl(0, 0, 1, 1) = _Cijkl(1, 1, 0, 0) =
       youngs_modulus * poissons_ratio / (1.0 + poissons_ratio) / (1.0 - poissons_ratio);
   _Cijkl(0, 1, 0, 1) = _Cijkl(1, 0, 1, 0) = 0.5 * youngs_modulus / (1.0 + poissons_ratio);
 }

Member Function Documentation

◆ computeQpElasticityTensor()

void ComputeIsotropicElasticityTensor::computeQpElasticityTensor ( )

overrideprotectedvirtualinherited

Implements ComputeElasticityTensorBase.

Definition at line 190 of file ComputeIsotropicElasticityTensor.C.

 {
   // Assign elasticity tensor at a given quad point
   _elasticity_tensor[_qp] = _Cijkl;
  
   // Assign effective stiffness at a given quad point
   _effective_stiffness[_qp] = _effective_stiffness_local;
 }

◆ computeQpProperties()

void ComputeElasticityTensorBase::computeQpProperties ( )

protectedvirtualinherited

Definition at line 43 of file ComputeElasticityTensorBase.C.

 {
   _effective_stiffness[_qp] = 0; // Currently overriden by ComputeIsotropicElasticityTensor
   computeQpElasticityTensor();
  
   // Multiply by prefactor
   if (_prefactor_function)
   {
     _elasticity_tensor[_qp] *= _prefactor_function->value(_t, _q_point[_qp]);
     _effective_stiffness[_qp] *= std::sqrt(_prefactor_function->value(_t, _q_point[_qp]));
   }
 }

◆ hasGuarantee()

bool GuaranteeProvider::hasGuarantee	(	const MaterialPropertyName &	prop_name,
		Guarantee	guarantee
	)

inherited

Definition at line 16 of file GuaranteeProvider.C.

 {
   auto it = _guarantees.find(prop_name);
   if (it == _guarantees.end())
     return false;
  
   auto it2 = it->second.find(guarantee);
   return it2 != it->second.end();
 }

◆ issueGuarantee()

void GuaranteeProvider::issueGuarantee	(	const MaterialPropertyName &	prop_name,
		Guarantee	guarantee
	)

protectedinherited

Definition at line 27 of file GuaranteeProvider.C.

 {
   // intentional insertion
   _guarantees[prop_name].insert(guarantee);
 }

Referenced by ADComputeVariableIsotropicElasticityTensor< compute_stage >::ADComputeVariableIsotropicElasticityTensor(), ComputeCosseratElasticityTensor::ComputeCosseratElasticityTensor(), ComputeElasticityTensor::ComputeElasticityTensor(), ComputeIsotropicElasticityTensor::ComputeIsotropicElasticityTensor(), ComputeLayeredCosseratElasticityTensor::ComputeLayeredCosseratElasticityTensor(), ComputeVariableIsotropicElasticityTensor::ComputeVariableIsotropicElasticityTensor(), GeneralizedKelvinVoigtModel::GeneralizedKelvinVoigtModel(), and GeneralizedMaxwellModel::GeneralizedMaxwellModel().

◆ revokeGuarantee()

void GuaranteeProvider::revokeGuarantee	(	const MaterialPropertyName &	prop_name,
		Guarantee	guarantee
	)

protectedinherited

Definition at line 34 of file GuaranteeProvider.C.

 {
   auto it = _guarantees.find(prop_name);
   if (it != _guarantees.end())
     it->second.erase(guarantee);
 }

Referenced by ComputeElasticityTensorCP::ComputeElasticityTensorCP().

◆ validParams()

InputParameters ComputeIsotropicElasticityTensor::validParams ( )

staticinherited

Definition at line 17 of file ComputeIsotropicElasticityTensor.C.

 {
   InputParameters params = ComputeElasticityTensorBase::validParams();
   params.addClassDescription("Compute a constant isotropic elasticity tensor.");
   params.addParam<Real>("bulk_modulus", "The bulk modulus for the material.");
   params.addParam<Real>("lambda", "Lame's first constant for the material.");
   params.addParam<Real>("poissons_ratio", "Poisson's ratio for the material.");
   params.addParam<Real>("shear_modulus", "The shear modulus of the material.");
   params.addParam<Real>("youngs_modulus", "Young's modulus of the material.");
   return params;
 }