IsotropicElasticityTensor.h

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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
 
#pragma once
 
#include "ElasticityTensor.h"
 
class IsotropicElasticityTensor : public ElasticityTensor
{
public:
  IsotropicElasticityTensor(const bool constant = true);
 
  void setLambda(const Real lambda);
 
  void setMu(const Real mu);
 
  void setYoungsModulus(const Real E);
 
  void setPoissonsRatio(const Real nu);
 
  void setBulkModulus(const Real k);
 
  void setShearModulus(const Real k);
 
  virtual ~IsotropicElasticityTensor() {}
 
protected:
  bool _lambda_set, _mu_set, _E_set, _nu_set, _k_set;
 
  Real _lambda, _mu, _E, _nu, _k;
 
  virtual void calculateEntries(unsigned int qp);
 
  void calculateLameCoefficients();
 
  Real isotropicEntry(const unsigned int i, const unsigned j, const unsigned k, const unsigned l);
};