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ImposedMotionSP.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: 2005/11/22 19:41:17 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/domain/constraints/ImposedMotionSP.h,v $
00024                                                                         
00025 #ifndef ImposedMotionSP_h
00026 #define ImposedMotionSP_h
00027 
00028 // File: ~/domain/constraints/ImposedMotionSP.h
00029 //
00030 // Written: fmk 
00031 // Created: 11/00
00032 // Revision: A
00033 //
00034 // Purpose: This file contains the class definition for ImposedMotionSP.
00035 // ImposedMotionSP is a class which imposes the ground motion response
00036 // values for a GroundMotion at a particular dof at a node.
00037 //
00038 // What: "@(#) ImposedMotionSP, revA"
00039 
00040 #include <SP_Constraint.h>
00041 #include <Vector.h>
00042 class GroundMotion;
00043 class Node;
00044 
00045 class ImposedMotionSP : public SP_Constraint
00046 {
00047   public:
00048     // constructors    
00049     ImposedMotionSP();        
00050     ImposedMotionSP(int spTag, int nodeTag, int ndof, int patternTag, int theGroundMotionTag);
00051 
00052     // destructor
00053     ~ImposedMotionSP();
00054 
00055     int applyConstraint(double loadFactor);    
00056     double getValue(void);
00057     bool isHomogeneous(void) const;
00058     
00059     int sendSelf(int commitTag, Channel &theChannel);
00060     int recvSelf(int commitTag, Channel &theChannel, 
00061                          FEM_ObjectBroker &theBroker);
00062 
00063     void Print(OPS_Stream &s, int flag =0);
00064 
00065   protected:
00066     
00067   private:
00068     int groundMotionTag;
00069     int patternTag;
00070 
00071     GroundMotion *theGroundMotion;  // pointer to ground motion
00072     Node *theNode;                  // pointer to node being constrained
00073     Vector *theNodeResponse;        // vector for setting nodal response
00074     Vector theGroundMotionResponse; // the GMotions response
00075 };
00076 
00077 #endif
00078 
00079

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