Chaste: /tmp/release_1/pde/src/problem/common/AbstractIsotropicIncompressibleMaterialLaw.hpp Source File

00001 /*
00002 
00003 Copyright (C) University of Oxford, 2005-2009
00004 
00005 University of Oxford means the Chancellor, Masters and Scholars of the
00006 University of Oxford, having an administrative office at Wellington
00007 Square, Oxford OX1 2JD, UK.
00008 
00009 This file is part of Chaste.
00010 
00011 Chaste is free software: you can redistribute it and/or modify it
00012 under the terms of the GNU Lesser General Public License as published
00013 by the Free Software Foundation, either version 2.1 of the License, or
00014 (at your option) any later version.
00015 
00016 Chaste is distributed in the hope that it will be useful, but WITHOUT
00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00018 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
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00023 
00024 You should have received a copy of the GNU Lesser General Public License
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00027 */
00028 
00029 
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 /*ABSTRACTISOTROPICINCOMPRESSIBLEMATERIALLAW_HPP_*/