00001 /* @HEADER@ */ 00002 // ************************************************************************ 00003 // 00004 // Sundance 00005 // Copyright (2005) Sandia Corporation 00006 // 00007 // Copyright (year first published) Sandia Corporation. Under the terms 00008 // of Contract DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government 00009 // retains certain rights in this software. 00010 // 00011 // This library is free software; you can redistribute it and/or modify 00012 // it under the terms of the GNU Lesser General Public License as 00013 // published by the Free Software Foundation; either version 2.1 of the 00014 // License, or (at your option) any later version. 00015 // 00016 // This library is distributed in the hope that it will be useful, but 00017 // WITHOUT ANY WARRANTY; without even the implied warranty of 00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00019 // Lesser General Public License for more details. 00020 // 00021 // You should have received a copy of the GNU Lesser General Public 00022 // License along with this library; if not, write to the Free Software 00023 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00024 // USA 00025 // Questions? Contact Kevin Long (krlong@sandia.gov), 00026 // Sandia National Laboratories, Livermore, California, USA 00027 // 00028 // ************************************************************************ 00029 /* @HEADER@ */ 00030 00031 #ifndef SUNDANCE_TRANSIENT_STEP_PROBLEM_H 00032 #define SUNDANCE_TRANSIENT_STEP_PROBLEM_H 00033 00034 00035 #include "SundanceDefs.hpp" 00036 #include "SundanceNonlinearProblem.hpp" 00037 00038 namespace Sundance 00039 { 00040 using Playa::NonlinearSolver; 00041 00042 /** 00043 * 00044 */ 00045 class TransientStepProblem 00046 { 00047 public: 00048 /** */ 00049 TransientStepProblem( 00050 const NonlinearProblem& stepProb, 00051 const Expr& tPrev, const Expr& uPrev, 00052 const Expr& tNext, const Expr& uNext, 00053 const Expr& dt, 00054 int verbosity=0 00055 ); 00056 00057 /** */ 00058 bool step(double tCur, const Expr& uCur, 00059 double tNext, Expr uNext, 00060 const NonlinearSolver<double>& solver) const ; 00061 00062 00063 /** */ 00064 Expr uCur() const {return uPrev_;} 00065 /** */ 00066 Expr uSoln() const {return uNext_;} 00067 00068 00069 private: 00070 NonlinearProblem prob_; 00071 mutable Expr tPrev_; 00072 mutable Expr tNext_; 00073 mutable Expr uPrev_; 00074 mutable Expr uNext_; 00075 mutable Expr dt_; 00076 int verb_; 00077 }; 00078 00079 } 00080 00081 00082 #endif