ComputeElasticityTensor.C

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//* 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
 
#include "ComputeElasticityTensor.h"
#include "RotationTensor.h"
 
registerMooseObject("TensorMechanicsApp", ComputeElasticityTensor);
 
defineLegacyParams(ComputeElasticityTensor);
 
InputParameters
ComputeElasticityTensor::validParams()
{
  InputParameters params = ComputeRotatedElasticityTensorBase::validParams();
  params.addClassDescription("Compute an elasticity tensor.");
  params.addRequiredParam<std::vector<Real>>("C_ijkl", "Stiffness tensor for material");
  params.addParam<MooseEnum>(
      "fill_method", RankFourTensor::fillMethodEnum() = "symmetric9", "The fill method");
  return params;
}
 
ComputeElasticityTensor::ComputeElasticityTensor(const InputParameters & parameters)
  : ComputeRotatedElasticityTensorBase(parameters),
    _Cijkl(getParam<std::vector<Real>>("C_ijkl"),
           (RankFourTensor::FillMethod)(int)getParam<MooseEnum>("fill_method"))
{
  if (!isParamValid("elasticity_tensor_prefactor"))
    issueGuarantee(_elasticity_tensor_name, Guarantee::CONSTANT_IN_TIME);
 
  if (_Cijkl.isIsotropic())
    issueGuarantee(_elasticity_tensor_name, Guarantee::ISOTROPIC);
  else
  {
    // Define a rotation according to Euler angle parameters
    RotationTensor R(_Euler_angles); // R type: RealTensorValue
 
    // rotate elasticity tensor
    _Cijkl.rotate(R);
  }
}
 
void
ComputeElasticityTensor::computeQpElasticityTensor()
{
  // Assign elasticity tensor at a given quad point
  _elasticity_tensor[_qp] = _Cijkl;
}