00001 // $Id: LOCA_StepSize_Adaptive.H,v 1.17 2007/06/21 16:22:52 rhoope Exp $ 00002 // $Source: /space/CVS/Trilinos/packages/nox/src-loca/src/LOCA_StepSize_Adaptive.H,v $ 00003 00004 //@HEADER 00005 // ************************************************************************ 00006 // 00007 // NOX: An Object-Oriented Nonlinear Solver Package 00008 // Copyright (2002) Sandia Corporation 00009 // 00010 // LOCA: Library of Continuation Algorithms Package 00011 // Copyright (2005) Sandia Corporation 00012 // 00013 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive 00014 // license for use of this work by or on behalf of the U.S. Government. 00015 // 00016 // This library is free software; you can redistribute it and/or modify 00017 // it under the terms of the GNU Lesser General Public License as 00018 // published by the Free Software Foundation; either version 2.1 of the 00019 // License, or (at your option) any later version. 00020 // 00021 // This library is distributed in the hope that it will be useful, but 00022 // WITHOUT ANY WARRANTY; without even the implied warranty of 00023 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00024 // Lesser General Public License for more details. 00025 // 00026 // You should have received a copy of the GNU Lesser General Public 00027 // License along with this library; if not, write to the Free Software 00028 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00029 // USA 00030 // 00031 // Questions? Contact Roger Pawlowski (rppawlo@sandia.gov) or 00032 // Eric Phipps (etphipp@sandia.gov), Sandia National Laboratories. 00033 // ************************************************************************ 00034 // CVS Information 00035 // $Source: /space/CVS/Trilinos/packages/nox/src-loca/src/LOCA_StepSize_Adaptive.H,v $ 00036 // $Author: rhoope $ 00037 // $Date: 2007/06/21 16:22:52 $ 00038 // $Revision: 1.17 $ 00039 // ************************************************************************ 00040 //@HEADER 00041 00042 #ifndef LOCA_STEPSIZE_ADAPTIVE_H 00043 #define LOCA_STEPSIZE_ADAPTIVE_H 00044 00045 #include "LOCA_StepSize_Constant.H" // base class 00046 00047 namespace LOCA { 00048 00049 namespace StepSize { 00050 00052 00073 class Adaptive : public LOCA::StepSize::Constant { 00074 00075 public: 00076 00078 Adaptive( 00079 const Teuchos::RCP<LOCA::GlobalData>& global_data, 00080 const Teuchos::RCP<LOCA::Parameter::SublistParser>& topParams, 00081 const Teuchos::RCP<Teuchos::ParameterList>& stepsizeParams); 00082 00084 virtual ~Adaptive(); 00085 00087 00098 virtual NOX::Abstract::Group::ReturnType 00099 computeStepSize(LOCA::MultiContinuation::AbstractStrategy& curGroup, 00100 const LOCA::MultiContinuation::ExtendedVector& predictor, 00101 const NOX::Solver::Generic& solver, 00102 const LOCA::Abstract::Iterator::StepStatus& stepStatus, 00103 const LOCA::Stepper& stepper, 00104 double& stepSize); 00105 00106 protected: 00107 00109 double agrValue; 00110 00112 double maxNonlinearSteps; 00113 }; 00114 } // namespace StepSize 00115 } // namespace LOCA 00116 00117 #endif