CompressibleExponentialLaw.hpp

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*/
#ifndef COMPRESSIBLEEXPONENTIALLAW_HPP_
#define COMPRESSIBLEEXPONENTIALLAW_HPP_
 
 
#include "AbstractCompressibleMaterialLaw.hpp"
 
template<unsigned DIM>
class CompressibleExponentialLaw : public AbstractCompressibleMaterialLaw<DIM>
{
friend class TestCompressibleLawTransverselyIsotropic; // note: this law is not transversely isotropic with the default parameters
 
private:
 
    double mA;
 
    std::vector<std::vector<double> > mB;
 
    double mCompressibilityParam;
 
    c_matrix<double,DIM,DIM> mIdentity;
 
public:
 
    CompressibleExponentialLaw();
 
    void ComputeStressAndStressDerivative(c_matrix<double,DIM,DIM>& rC,
                                          c_matrix<double,DIM,DIM >& rInvC,
                                          double pressure,
                                          c_matrix<double,DIM,DIM>& rT,
                                          FourthOrderTensor<DIM,DIM,DIM,DIM>& rDTdE,
                                          bool computeDTdE);
 
    double GetA()
    {
        return mA;
    }
 
    std::vector<std::vector<double> > GetB()
    {
        return mB;
    }
 
    double GetCompressibilityParam()
    {
        return mCompressibilityParam;
    }
};
 
#endif /* COMPRESSIBLEEXPONENTIALLAW_HPP_ */