SymmIsotropicElasticityTensor.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 "SymmElasticityTensor.h"
 
class SymmIsotropicElasticityTensor : public SymmElasticityTensor
{
public:
  SymmIsotropicElasticityTensor(const bool constant = true);
 
  virtual ~SymmIsotropicElasticityTensor() {}
 
  void unsetConstants() { _lambda_set = _mu_set = _E_set = _nu_set = _k_set = false; }
 
  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);
 
  Real mu() const;
 
  Real shearModulus() const;
 
  Real youngsModulus() const;
 
  virtual Real stiffness(const unsigned i,
                         const unsigned j,
                         const RealGradient & test,
                         const RealGradient & phi) const;
 
  virtual void multiply(const SymmTensor & x, SymmTensor & b) const;
 
  virtual void adjustForCracking(const RealVectorValue & crack_flags);
  virtual void adjustForCrackingWithShearRetention(const RealVectorValue & crack_flags);
 
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 setEntries(Real C11, Real C12, Real C44);
 
  void calculateLameCoefficients();
};