00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd. 00006 \\/ M anipulation | 00007 ------------------------------------------------------------------------------- 00008 License 00009 This file is part of OpenFOAM. 00010 00011 OpenFOAM is free software: you can redistribute it and/or modify it 00012 under the terms of the GNU General Public License as published by 00013 the Free Software Foundation, either version 3 of the License, or 00014 (at your option) any later version. 00015 00016 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00018 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 00019 for more details. 00020 00021 You should have received a copy of the GNU General Public License 00022 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. 00023 00024 Class 00025 Foam::sixDoFRigidBodyMotionConstraints::fixedLine 00026 00027 Description 00028 sixDoFRigidBodyMotionConstraint. Reference point may only move 00029 along a line. 00030 00031 SourceFiles 00032 fixedLine.C 00033 00034 \*---------------------------------------------------------------------------*/ 00035 00036 #ifndef fixedLine_H 00037 #define fixedLine_H 00038 00039 #include <forces/sixDoFRigidBodyMotionConstraint.H> 00040 #include <OpenFOAM/point.H> 00041 00042 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00043 00044 namespace Foam 00045 { 00046 00047 namespace sixDoFRigidBodyMotionConstraints 00048 { 00049 00050 /*---------------------------------------------------------------------------*\ 00051 Class fixedLine Declaration 00052 \*---------------------------------------------------------------------------*/ 00053 00054 class fixedLine 00055 : 00056 public sixDoFRigidBodyMotionConstraint 00057 { 00058 // Private data 00059 00060 //- Reference point for the constraining line 00061 point refPt_; 00062 00063 //- Direction of the constraining line 00064 vector dir_; 00065 00066 00067 public: 00068 00069 //- Runtime type information 00070 TypeName("fixedLine"); 00071 00072 00073 // Constructors 00074 00075 //- Construct from components 00076 fixedLine 00077 ( 00078 const dictionary& sDoFRBMCDict 00079 ); 00080 00081 //- Construct and return a clone 00082 virtual autoPtr<sixDoFRigidBodyMotionConstraint> clone() const 00083 { 00084 return autoPtr<sixDoFRigidBodyMotionConstraint> 00085 ( 00086 new fixedLine(*this) 00087 ); 00088 } 00089 00090 00091 // Destructor 00092 00093 virtual ~fixedLine(); 00094 00095 00096 // Member Functions 00097 00098 //- Calculate the constraint position, force and moment. 00099 // Global reference frame vectors. Returns boolean stating 00100 // whether the constraint been converged to tolerance. 00101 virtual bool constrain 00102 ( 00103 const sixDoFRigidBodyMotion& motion, 00104 const vector& existingConstraintForce, 00105 const vector& existingConstraintMoment, 00106 scalar deltaT, 00107 vector& constraintPosition, 00108 vector& constraintForceIncrement, 00109 vector& constraintMomentIncrement 00110 ) const; 00111 00112 //- Update properties from given dictionary 00113 virtual bool read(const dictionary& sDoFRBMCCoeff); 00114 00115 //- Write 00116 virtual void write(Ostream&) const; 00117 }; 00118 00119 00120 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00121 00122 } // End namespace solidBodyMotionFunctions 00123 } // End namespace Foam 00124 00125 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00126 00127 #endif 00128 00129 // ************************ vim: set sw=4 sts=4 et: ************************ //
