AbstractMaterialLaw.hpp

00001 /*
00002 
00003 Copyright (C) University of Oxford, 2005-2011
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 ABSTRACTMATERIALLAW_HPP_
00031 #define ABSTRACTMATERIALLAW_HPP_
00032 
00033 #include "UblasCustomFunctions.hpp"
00034 #include <cassert>
00035 #include <vector>
00036 #include "Exception.hpp"
00037 #include "FourthOrderTensor.hpp"
00038 
00047 template<unsigned DIM>
00048 class AbstractMaterialLaw
00049 {
00050 protected:
00058     c_matrix<double,DIM,DIM>* mpChangeOfBasisMatrix;
00059 
00067     void ComputeTransformedDeformationTensor(c_matrix<double,DIM,DIM>& rC, c_matrix<double,DIM,DIM>& rInvC,
00068                                              c_matrix<double,DIM,DIM>& rCTransformed, c_matrix<double,DIM,DIM>& rInvCTransformed);
00069 
00078     void TransformStressAndStressDerivative(c_matrix<double,DIM,DIM>& rT,
00079                                             FourthOrderTensor<DIM,DIM,DIM,DIM>& rDTdE,
00080                                             bool transformDTdE);
00081 
00082 public:
00083 
00085     AbstractMaterialLaw();
00086 
00088     virtual ~AbstractMaterialLaw()
00089     {
00090     }
00091 
00110     virtual void ComputeStressAndStressDerivative(c_matrix<double,DIM,DIM>& rC,
00111                                                   c_matrix<double,DIM,DIM>& rInvC,
00112                                                   double                    pressure,
00113                                                   c_matrix<double,DIM,DIM>& rT,
00114                                                   FourthOrderTensor<DIM,DIM,DIM,DIM>&   rDTdE,
00115                                                   bool                      computeDTdE)=0;
00116 
00132     void ComputeCauchyStress(c_matrix<double,DIM,DIM>& rF, double pressure, c_matrix<double,DIM,DIM>& rSigma);
00133 
00152     void Compute1stPiolaKirchoffStress(c_matrix<double,DIM,DIM>& rF, double pressure, c_matrix<double,DIM,DIM>& rS);
00153 
00167     void Compute2ndPiolaKirchoffStress(c_matrix<double,DIM,DIM>& rC, double pressure, c_matrix<double,DIM,DIM>& rT);
00168 
00169 
00180     virtual void ScaleMaterialParameters(double scaleFactor);
00181 
00198     void SetChangeOfBasisMatrix(c_matrix<double,DIM,DIM>& rChangeOfBasisMatrix);
00199 
00203     void ResetToNoChangeOfBasisMatrix();
00204 };
00205 
00206 #endif /*ABSTRACTMATERIALLAW_HPP_*/