Chaste Release::3.1
NhsContractionModel.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
00007 University of Oxford, having an administrative office at Wellington
00008 Square, Oxford OX1 2JD, UK.
00009 
00010 This file is part of Chaste.
00011 
00012 Redistribution and use in source and binary forms, with or without
00013 modification, are permitted provided that the following conditions are met:
00014  * Redistributions of source code must retain the above copyright notice,
00015    this list of conditions and the following disclaimer.
00016  * Redistributions in binary form must reproduce the above copyright notice,
00017    this list of conditions and the following disclaimer in the documentation
00018    and/or other materials provided with the distribution.
00019  * Neither the name of the University of Oxford nor the names of its
00020    contributors may be used to endorse or promote products derived from this
00021    software without specific prior written permission.
00022 
00023 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00024 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00025 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00026 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
00027 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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00029 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00030 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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00032 OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033 
00034 */
00035 #ifndef NHSCONTRACTIONMODEL_HPP_
00036 #define NHSCONTRACTIONMODEL_HPP_
00037 
00038 #include "AbstractOdeBasedContractionModel.hpp"
00039 #include "Exception.hpp"
00040 
00041 
00056 class NhsContractionModel  : public AbstractOdeBasedContractionModel
00057 {
00058 friend class TestContractionModels;
00059 
00060 protected :
00062     double mLambda;
00064     double mDLambdaDt;
00066     double mCalciumI;
00067 
00068 
00070     double mCalciumTrop50;
00071 
00073     double mK1;
00075     double mK2;
00076 
00077     // Parameters
00078 
00080     static const double mKon;
00081 
00083     static const double mKrefoff;
00084 
00086     static const double mGamma;
00087 
00089     static const double mCalciumTroponinMax;
00090 
00092     static const double mAlphaR1;
00093 
00095     static const double mAlphaR2;
00096 
00098     static const double mKZ;
00099 
00101     static const unsigned mNr;
00102 
00104     static const double mBeta1;
00105 
00107     static const double mAlpha0;
00108 
00110     static const unsigned mN;
00111 
00113     static const double mZp;
00114 
00116     static const double mCalcium50ref;
00117 
00119     static const double mTref;
00120 
00122     static const double mBeta0;
00123 
00125     static const double mA;
00126 
00128     static const double mA1;
00129 
00131     static const double mA2;
00132 
00134     static const double mA3;
00135 
00137     static const double mAlpha1;
00138 
00140     static const double mAlpha2;
00141 
00143     static const double mAlpha3;
00144 
00149     void CalculateCalciumTrop50();
00150 
00156     double CalculateT0(double z);
00157 
00158 public :
00163     NhsContractionModel();
00164 
00171     void SetStretchAndStretchRate(double lambda, double dlambdaDt);
00172 
00178     void SetInputParameters(ContractionModelInputParameters& rInputParameters);
00179 
00184     void SetIntracellularCalciumConcentration(double calciumConcentration);
00185 
00190     double GetCalciumTroponinValue();
00191 
00199     void EvaluateYDerivatives(double time, const std::vector<double> &rY, std::vector<double> &rDY);
00200 
00204     double GetActiveTension();
00205 
00211     double GetNextActiveTension()
00212     {
00213         EXCEPTION("If using this in an 'explicit manner' call UpdateStateVariables() and then GetActiveTension(), otherwise use NhsModelWithBackwardSolver");
00214     }
00215 
00219     bool IsStretchDependent()
00220     {
00221         return true;
00222     }
00223 
00227     bool IsStretchRateDependent()
00228     {
00229         return true;
00230     }
00231 };
00232 #endif /*NHSCONTRACTIONMODEL_HPP_*/