MultiaxialCyclicPlasticity3D.hGo to the documentation of this file.00001 /* ****************************************************************** ** 00002 ** OpenSees - Open System for Earthquake Engineering Simulation ** 00003 ** Pacific Earthquake Engineering Research Center ** 00004 ** ** 00005 ** ** 00006 ** (C) Copyright 1999, The Regents of the University of California ** 00007 ** All Rights Reserved. ** 00008 ** ** 00009 ** Commercial use of this program without express permission of the ** 00010 ** University of California, Berkeley, is strictly prohibited. See ** 00011 ** file 'COPYRIGHT' in main directory for information on usage and ** 00012 ** redistribution, and for a DISCLAIMER OF ALL WARRANTIES. ** 00013 ** ** 00014 ** ****************************************************************** */ 00015 00016 00017 /*----+----+----+----+----+----+----+----+----+----+----+----+----+----+----* 00018 | | 00019 | MultiaxialCyclicPlasticity NDMaterial | 00020 + + 00021 |--------------------------------------------------------------------------| 00022 | | 00023 + Authors: Gang Wang AND Professor Nicholas Sitar + 00024 | | 00025 | Department of Civil and Environmental Engineering | 00026 + Univeristy of California, Berkeley, CA 94720, USA + 00027 | | 00028 | Email: wang@ce.berkeley.edu (G.W.) | 00029 | | 00030 +----+----+----+----+----+----+----+----+----+----+----+----+----+----+----*/ 00031 00032 00033 #ifndef MultiaxialCyclicPlasticity3D_h 00034 #define MultiaxialCyclicPlasticity3D_h 00035 00036 #include <stdio.h> 00037 #include <stdlib.h> 00038 #include <math.h> 00039 00040 #include <Vector.h> 00041 #include <Matrix.h> 00042 00043 #include <MultiaxialCyclicPlasticity.h> 00044 00045 class MultiaxialCyclicPlasticity3D : public MultiaxialCyclicPlasticity { 00046 00047 //-------------------Declarations------------------------------- 00048 00049 public : 00050 00051 //null constructor 00052 MultiaxialCyclicPlasticity3D( ) ; 00053 00054 //full constructor 00055 MultiaxialCyclicPlasticity3D( int tag, 00056 double rho, 00057 double K, 00058 double G, 00059 double Su, 00060 double Ho_kin, 00061 double Parameter_h, 00062 double Parameter_m, 00063 double Parameter_beta, 00064 double Kcoeff, 00065 double viscosity = 0 00066 ) ; 00067 00068 00069 //elastic constructor 00070 MultiaxialCyclicPlasticity3D( int tag, double rho, double K, double G ) ; 00071 00072 //destructor 00073 ~MultiaxialCyclicPlasticity3D( ) ; 00074 00075 const char *getClassType(void) const {return "MultiaxialCyclicPlasticity3D";}; 00076 00077 //make a clone of this material 00078 NDMaterial* getCopy( ) ; 00079 00080 //send back type of material 00081 const char* getType( ) const ; 00082 00083 //send back order of strain in vector form 00084 int getOrder( ) const ; 00085 00086 //get the strain and integrate plasticity equations 00087 int setTrialStrain( const Vector &strain_from_element) ; 00088 00089 //unused trial strain functions 00090 int setTrialStrain( const Vector &v, const Vector &r ) ; 00091 int setTrialStrainIncr( const Vector &v ) ; 00092 int setTrialStrainIncr( const Vector &v, const Vector &r ) ; 00093 00094 //send back the strain 00095 const Vector& getStrain( ) ; 00096 00097 //send back the stress 00098 const Vector& getStress( ) ; 00099 00100 //send back the tangent 00101 const Matrix& getTangent( ) ; 00102 const Matrix& getInitialTangent( ) ; 00103 00104 //this is mike's problem 00105 int setTrialStrain(const Tensor &v) ; 00106 int setTrialStrain(const Tensor &v, const Tensor &r) ; 00107 int setTrialStrainIncr(const Tensor &v) ; 00108 int setTrialStrainIncr(const Tensor &v, const Tensor &r) ; 00109 const Tensor& getTangentTensor( ) ; 00110 00111 private : 00112 00113 //static vectors and matrices 00114 static Vector strain_vec ; //strain in vector notation 00115 static Vector stress_vec ; //stress in vector notation 00116 static Matrix tangent_matrix ; //material tangent in matrix notation 00117 00118 } ; //end of MultiaxialCyclicPlasticity3D declarations 00119 00120 #endif
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