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Beam2dTempLoad.h

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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 ** Developed by:                                                      **
00015 **   Frank McKenna (fmckenna@ce.berkeley.edu)                         **
00016 **   Gregory L. Fenves (fenves@ce.berkeley.edu)                       **
00017 **   Filip C. Filippou (filippou@ce.berkeley.edu)                     **
00018 **                                                                    **
00019 ** ****************************************************************** */
00020                                                                         
00021 // $Revision: 1.3 $
00022 // $Date: 2003/10/07 18:59:16 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/domain/load/Beam2dTempLoad.h,v $
00024                                                                         
00025 #ifndef Beam2dTempLoad_h
00026 #define Beam2dTempLoad_h
00027 
00028 // Written: Scott R. Hamilton   15 July 2002 
00029 
00030 // Purpose: This file contains the class definition for Beam2dTempLoad, 
00031 // and is modeleed after Beam2dPointLoad by fmk.
00032 
00033 #include <ElementalLoad.h>
00034 
00035 class Beam2dTempLoad : public ElementalLoad
00036 {
00037   public:
00038   // Constructors based on 4, 2, 1 or 0 temperature changes given
00039   Beam2dTempLoad(int tag, 
00040                  double Ttop1, double Tbot1, double Ttop2, 
00041                  double Tbot2, 
00042                  const ID &theElementTags);
00043 
00044   Beam2dTempLoad(int tag, 
00045                  double Tuniform, 
00046                  const ID &theElementTags);
00047 
00048   Beam2dTempLoad(int tag, 
00049                  double Ttop, double Tbot, 
00050                  const ID &theElementTags);
00051 
00052   Beam2dTempLoad(int tag, const ID &theElementTags);
00053 
00054   Beam2dTempLoad();    
00055 
00056   ~Beam2dTempLoad();
00057   
00058   const Vector &getData(int &type, double loadFactor);
00059   
00060   int sendSelf(int commitTag, Channel &theChannel);  
00061   int recvSelf(int commitTag, Channel &theChannel,  
00062                FEM_ObjectBroker &theBroker);
00063   void Print(OPS_Stream &s, int flag =0);       
00064   
00065  protected:
00066   
00067  private:
00068   double Ttop1;       // Temp change at top node 1 end of member        
00069   double Tbot1;       // Temp change at bottom node 1 end of member
00070   double Ttop2;       // Temp change at top node 2 end of member
00071   double Tbot2;       // Temp change at bottom node 2 end of member     
00072   static Vector data; // data for temp loads
00073 };
00074 
00075 #endif
00076

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