MOAB: Mesh Oriented datABase
(version 5.3.1)
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00001 /* ***************************************************************** 00002 MESQUITE -- The Mesh Quality Improvement Toolkit 00003 00004 Copyright 2006 Sandia National Laboratories. Developed at the 00005 University of Wisconsin--Madison under SNL contract number 00006 624796. The U.S. Government and the University of Wisconsin 00007 retain certain rights to this software. 00008 00009 This library is free software; you can redistribute it and/or 00010 modify it under the terms of the GNU Lesser General Public 00011 License as published by the Free Software Foundation; either 00012 version 2.1 of the License, or (at your option) any later version. 00013 00014 This library is distributed in the hope that it will be useful, 00015 but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public License 00020 (lgpl.txt) along with this library; if not, write to the Free Software 00021 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00022 00023 (2006) kraftche@cae.wisc.edu 00024 00025 ***************************************************************** */ 00026 00027 /** \file TShapeB1.hpp 00028 * \brief 00029 * \author Jason Kraftcheck 00030 */ 00031 00032 #ifndef MSQ_T_SHAPE_B1_HPP 00033 #define MSQ_T_SHAPE_B1_HPP 00034 00035 #include "Mesquite.hpp" 00036 #include "TMetricBarrier.hpp" 00037 00038 namespace MBMesquite 00039 { 00040 00041 /**\brief Metric sensitive to shape 00042 * 00043 * For 2D: \f$ \frac{ |T|^2 }{ 2 det(T) } - 1 \f$ 00044 * 00045 * For 3D: \f$ \frac{ |T|^3 }{ 3 \sqrt{3} det(T) } - 1 \f$ 00046 */ 00047 class TShapeB1 : public TMetricBarrier 00048 { 00049 public: 00050 MESQUITE_EXPORT virtual std::string get_name() const; 00051 00052 MESQUITE_EXPORT virtual ~TShapeB1(); 00053 00054 MESQUITE_EXPORT virtual bool evaluate( const MsqMatrix< 2, 2 >& T, double& result, MsqError& err ); 00055 00056 MESQUITE_EXPORT virtual bool evaluate_with_grad( const MsqMatrix< 2, 2 >& T, double& result, 00057 MsqMatrix< 2, 2 >& deriv_wrt_T, MsqError& err ); 00058 00059 MESQUITE_EXPORT virtual bool evaluate_with_hess( const MsqMatrix< 2, 2 >& T, double& result, 00060 MsqMatrix< 2, 2 >& deriv_wrt_T, MsqMatrix< 2, 2 > second_wrt_T[3], 00061 MsqError& err ); 00062 00063 MESQUITE_EXPORT virtual bool evaluate( const MsqMatrix< 3, 3 >& T, double& result, MsqError& err ); 00064 00065 MESQUITE_EXPORT virtual bool evaluate_with_grad( const MsqMatrix< 3, 3 >& T, double& result, 00066 MsqMatrix< 3, 3 >& deriv_wrt_T, MsqError& err ); 00067 00068 MESQUITE_EXPORT virtual bool evaluate_with_hess( const MsqMatrix< 3, 3 >& T, double& result, 00069 MsqMatrix< 3, 3 >& deriv_wrt_T, MsqMatrix< 3, 3 > second_wrt_T[6], 00070 MsqError& err ); 00071 }; 00072 00073 } // namespace MBMesquite 00074 00075 #endif