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_ */