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constantspeed.hxx

00001 // Copyright (C) 2002-2004 Vivien Mallet
00002 //
00003 // This file is part of Multivac library.
00004 // Multivac library provides front-tracking algorithms.
00005 // 
00006 // Multivac is free software; you can redistribute it and/or modify
00007 // it under the terms of the GNU General Public License as published by
00008 // the Free Software Foundation; either version 2 of the License, or
00009 // (at your option) any later version.
00010 // 
00011 // Multivac is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 // GNU General Public License (file "license") for more details.
00015 //
00016 // For more information, please see the Multivac home page:
00017 //     http://spacetown.free.fr/fronts/
00018 
00019 
00020 #ifndef FILE_SPEEDFUNCTIONS_CONSTANTSPEED_HXX
00021 
00022 
00023 #include "../errors.cxx"
00024 #include <stdio.h>
00025 
00026 
00027 namespace Multivac
00028 {
00029 
00030 
00032   // CCONSTANTSPEED //
00034 
00036   template <class T>
00037   class CConstantSpeed: public CSpeedFunction<T>
00038   {
00039 
00040 
00041     /**************
00042      * ATTRIBUTES *
00043      **************/
00044 
00045   protected:
00046 
00048     T SpeedRate;
00049 
00050 
00051     /*****************************
00052      * CONSTRUCTORS & DESTRUCTOR *
00053      *****************************/
00054 
00055   public:
00056 
00057     CConstantSpeed()  throw();
00058     CConstantSpeed(T SpeedRate_)  throw();
00059 
00060     ~CConstantSpeed()  throw();
00061 
00062 
00063     /***********
00064      * METHODS *
00065      ***********/
00066 
00067   public:
00068   
00069     virtual void Init(CMesh<T>& Mesh);
00070 
00071     virtual inline T operator() (T x, T y, T time) const;
00072     virtual inline T operator() (T x, T y, T time,
00073                                  T nx, T ny, T curvature) const;
00074 
00075     virtual T GetMaxF1(T Xmin, T Xmax, T Ymin, T Ymax, T norm2) const;
00076     virtual T GetMaxF2(T Xmin, T Xmax, T Ymin, T Ymax, T norm2) const;
00077 
00078     virtual inline T operator() (int i, int j) const;
00079 
00080     virtual T GetDerivatives(T x, T y, T nx, T ny, T t,
00081                              T& dFdp, T& dFdx, T& dFdy,
00082                              T& dFdnx, T& dFdny) const;
00083     virtual T Get2ndDerivatives(T x, T y, T nx, T ny, T t,
00084                                 T& dFdpdp, T& dFdpdx, T& dFdpdy,
00085                                 T& dFdpdnx, T& dFdpdny,
00086                                 T& dFdxdx, T& dFdxdy,
00087                                 T& dFdxdnx, T& dFdxdny,
00088                                 T& dFdydy, T& dFdydnx,
00089                                 T& dFdydny, T& dFdnxdnx,
00090                                 T& dFdnxdny, T& dFdnydny) const;
00091 
00092     void SetRate(T rate);
00093 
00094   };  // CConstantSpeed.
00095 
00096 
00097 }  // namespace Multivac.
00098 
00099 
00100 #define FILE_MESHES_CONSTANTSPEED_HXX
00101 #endif

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