MooneyRivlinMaterialLaw.hpp

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
00019 License for more details. The offer of Chaste under the terms of the
00020 License is subject to the License being interpreted in accordance with
00021 English Law and subject to any action against the University of Oxford
00022 being under the jurisdiction of the English Courts.
00023 
00024 You should have received a copy of the GNU Lesser General Public License
00025 along with Chaste. If not, see <http://www.gnu.org/licenses/>.
00026 
00027 */
00028 
00029 
00030 #ifndef MOONEYRIVLINMATERIALLAW_HPP_
00031 #define MOONEYRIVLINMATERIALLAW_HPP_
00032 
00033 #include "AbstractIsotropicIncompressibleMaterialLaw.hpp"
00034 #include "Exception.hpp"
00035 
00036 #define MINUS_LARGE -1e6
00037 
00038 
00056 template<unsigned DIM>
00057 class MooneyRivlinMaterialLaw : public AbstractIsotropicIncompressibleMaterialLaw<DIM>
00058 {
00059 private :
00060     double mC1;
00061     double mC2;
00062 
00063 public :
00064     double Get_dW_dI1(double I1, double I2);
00065     
00066     double Get_dW_dI2(double I1, double I2);
00067     
00068     double Get_d2W_dI1(double I1, double I2);
00069     
00070     double Get_d2W_dI2(double I1, double I2);
00071     
00072     double Get_d2W_dI1I2(double I1, double I2);
00073 
00074     double GetC1();
00075 
00076     double GetC2();
00077 
00078 public :
00083     MooneyRivlinMaterialLaw(double c1, double c2 = MINUS_LARGE);
00084 
00086     void ScaleMaterialParameters(double scaleFactor);
00087 };
00088 
00089 
00090 #endif /*MOONEYRIVLINMATERIALLAW_HPP_*/

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