ExponentialMaterialLaw.cpp

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*/

#include "ExponentialMaterialLaw.hpp"

template<unsigned DIM>
ExponentialMaterialLaw<DIM>::ExponentialMaterialLaw(double a, double b)
    : mA(a),
      mB(b)
{
    assert(DIM==2 || DIM==3);
    if (a < 0.0)
    {
        EXCEPTION("a must be positive");
    }
}

template<unsigned DIM>
double ExponentialMaterialLaw<DIM>::GetA()
{
    return mA;
}

template<unsigned DIM>
double ExponentialMaterialLaw<DIM>::GetB()
{
    return mB;
}

template<unsigned DIM>
double ExponentialMaterialLaw<DIM>::Get_dW_dI1(double I1, double I2)
{
    return mA * mB * exp(mB*(I1-DIM));
}

template<unsigned DIM>
double ExponentialMaterialLaw<DIM>::Get_dW_dI2(double I1, double I2)
{
    assert(DIM == 3); // LCOV_EXCL_LINE
    return 0.0;
}

template<unsigned DIM>
double ExponentialMaterialLaw<DIM>::Get_d2W_dI1(double I1, double I2)
{
    return mA * mB * mB * exp(mB*(I1-DIM));
}

template<unsigned DIM>
double ExponentialMaterialLaw<DIM>::Get_d2W_dI2(double I1, double I2)
{
    assert(DIM == 3); // LCOV_EXCL_LINE
    return 0.0;
}

template<unsigned DIM>
double ExponentialMaterialLaw<DIM>::Get_d2W_dI1I2(double I1, double I2)
{
    assert(DIM == 3); // LCOV_EXCL_LINE
    return 0.0;
}

// Explicit instantiation
template class ExponentialMaterialLaw<2>;
template class ExponentialMaterialLaw<3>;