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00030 #ifndef ABSTRACTISOTROPICINCOMPRESSIBLEMATERIALLAW_HPP_
00031 #define ABSTRACTISOTROPICINCOMPRESSIBLEMATERIALLAW_HPP_
00032
00033 #include "AbstractIncompressibleMaterialLaw.hpp"
00034
00047 template<unsigned DIM>
00048 class AbstractIsotropicIncompressibleMaterialLaw : public AbstractIncompressibleMaterialLaw<DIM>
00049 {
00050 protected :
00051 virtual double Get_dW_dI1(double I1, double I2)=0;
00052 virtual double Get_dW_dI2(double I1, double I2)=0;
00053 virtual double Get_d2W_dI1(double I1, double I2)=0;
00054 virtual double Get_d2W_dI2(double I1, double I2)=0;
00055 virtual double Get_d2W_dI1I2(double I1, double I2)=0;
00056
00057 public :
00079 void ComputeStressAndStressDerivative(c_matrix<double,DIM,DIM>& C,
00080 c_matrix<double,DIM,DIM>& invC,
00081 double pressure,
00082 c_matrix<double,DIM,DIM>& T,
00083 FourthOrderTensor2<DIM>& dTdE,
00084 bool computeDTdE);
00085
00086 virtual ~AbstractIsotropicIncompressibleMaterialLaw();
00087
00094 double GetZeroStrainPressure();
00095 };
00096
00097 #endif