Chaste Release::3.1
SchmidCostaExponentialLaw2d.hpp
00001 /*
00002 
00003 Copyright (c) 2005-2012, University of Oxford.
00004 All rights reserved.
00005 
00006 University of Oxford means the Chancellor, Masters and Scholars of the
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00008 Square, Oxford OX1 2JD, UK.
00009 
00010 This file is part of Chaste.
00011 
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00034 */
00035 
00036 
00037 #ifndef SCHMIDCOSTAEXPONENTIALLAW2D_HPP_
00038 #define SCHMIDCOSTAEXPONENTIALLAW2D_HPP_
00039 
00040 #include "AbstractIncompressibleMaterialLaw.hpp"
00041 
00058 class SchmidCostaExponentialLaw2d : public AbstractIncompressibleMaterialLaw<2>
00059 {
00060 private:
00061 
00063     double mA;
00064 
00066     std::vector<std::vector<double> > mB;
00067 
00069     c_matrix<double,2,2> mIdentity;
00070 
00071 public:
00072 
00074     SchmidCostaExponentialLaw2d();
00075 
00094     void ComputeStressAndStressDerivative(c_matrix<double,2,2>&  rC,
00095                                           c_matrix<double,2,2>&  rInvC,
00096                                           double                 pressure,
00097                                           c_matrix<double,2,2>&  rT,
00098                                           FourthOrderTensor<2,2,2,2>&  rDTdE,
00099                                           bool                   computeDTdE);
00100 
00104     double GetA();
00105 
00109     std::vector<std::vector<double> > GetB();
00110 
00114     double GetZeroStrainPressure();
00115 };
00116 
00117 #endif /* SCHMIDCOSTAEXPONENTIALLAW2D_HPP_*/