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ImposedMotionSP.cpp Go to the documentation of this file. /* ****************************************************************** ** ** OpenSees - Open System for Earthquake Engineering Simulation ** ** Pacific Earthquake Engineering Research Center ** ** ** ** ** ** (C) Copyright 1999, The Regents of the University of California ** ** All Rights Reserved. ** ** ** ** Commercial use of this program without express permission of the ** ** University of California, Berkeley, is strictly prohibited. See ** ** file 'COPYRIGHT' in main directory for information on usage and ** ** redistribution, and for a DISCLAIMER OF ALL WARRANTIES. ** ** ** ** Developed by: ** ** Frank McKenna (fmckenna@ce.berkeley.edu) ** ** Gregory L. Fenves (fenves@ce.berkeley.edu) ** ** Filip C. Filippou (filippou@ce.berkeley.edu) ** ** ** ** ****************************************************************** */ // $Revision: 1.5 $ // $Date: 2005/11/22 19:41:17 $ // $Source: /usr/local/cvs/OpenSees/SRC/domain/constraints/ImposedMotionSP.cpp,v $ // Written: fmk // Created: 11/00 // Revision: A // // Purpose: This file contains the implementation of class ImposedMotionSP. #include <ImposedMotionSP.h> #include <classTags.h> #include <Vector.h> #include <Channel.h> #include <FEM_ObjectBroker.h> #include <GroundMotion.h> #include <Node.h> #include <Domain.h> #include <LoadPattern.h> #include <ID.h> // constructor for FEM_ObjectBroker ImposedMotionSP::ImposedMotionSP() :SP_Constraint(CNSTRNT_TAG_ImposedMotionSP), groundMotionTag(0), patternTag(0), theGroundMotion(0), theNode(0), theNodeResponse(0), theGroundMotionResponse(3) { // does nothing else } // constructor for a subclass to use ImposedMotionSP::ImposedMotionSP(int tag, int node, int ndof, int pattern, int motion) :SP_Constraint(tag, node, ndof, CNSTRNT_TAG_ImposedMotionSP), groundMotionTag(motion), patternTag(pattern), theGroundMotion(0), theNode(0), theNodeResponse(0), theGroundMotionResponse(3) { } ImposedMotionSP::~ImposedMotionSP() { if (theNodeResponse != 0) delete theNodeResponse; } double ImposedMotionSP::getValue(void) { // no longer return 0 for TransformationConstraints also set response at nodes return theGroundMotionResponse(0); } int ImposedMotionSP::applyConstraint(double time) { // on first if (theGroundMotion == 0 || theNode == 0 || theNodeResponse) { Domain *theDomain = this->getDomain(); theNode = theDomain->getNode(nodeTag); if (theNode == 0) { return -1; } theNodeResponse = new Vector(theNode->getNumberDOF()); if (theNodeResponse == 0) { return -2; } LoadPattern *theLoadPattern = theDomain->getLoadPattern(patternTag); if (theLoadPattern == 0) return -3; theGroundMotion = theLoadPattern->getMotion(groundMotionTag); if (theGroundMotion == 0) return -4; } // now get the response from the ground motion theGroundMotionResponse = theGroundMotion->getDispVelAccel(time); // // now set the responses at the node // /* *********************************************************** * disp response the responsibility of constraint handler *theNodeResponse = theNode->getTrialDisp(); (*theNodeResponse)(dofNumber) = theGroundMotionResponse(0); theNode->setTrialDisp(*theNodeResponse); *************************************************************/ *theNodeResponse = theNode->getTrialVel(); (*theNodeResponse)(dofNumber) = theGroundMotionResponse(1); theNode->setTrialVel(*theNodeResponse); *theNodeResponse = theNode->getTrialAccel(); (*theNodeResponse)(dofNumber) = theGroundMotionResponse(2); theNode->setTrialAccel(*theNodeResponse); return 0; } bool ImposedMotionSP::isHomogeneous(void) const { return true; } int ImposedMotionSP::sendSelf(int cTag, Channel &theChannel) { int dbTag = this->getDbTag(); int result = 0; result = this->SP_Constraint::sendSelf(cTag, theChannel); if (result < 0) { opserr << "ImposedMotionSP::sendSelf() - base SP_Constraint class failed\n"; return -1; } static ID myExtraData(2); myExtraData(0) = groundMotionTag; myExtraData(1) = patternTag; if (theChannel.sendID(dbTag, cTag, myExtraData) < 0) { opserr << "ImposedMotionSP::sendSelf() - failed to send extra data\n"; return -1; } return 0; } int ImposedMotionSP::recvSelf(int cTag, Channel &theChannel, FEM_ObjectBroker &theBroker) { int dbTag = this->getDbTag(); int result = 0; result = this->SP_Constraint::recvSelf(cTag, theChannel, theBroker); if (result < 0) { opserr << "ImposedMotionSP::recvSelf() - base SP_Constraint class failed\n"; return -1; } static ID myExtraData(2); if (theChannel.recvID(dbTag, cTag, myExtraData) < 0) { opserr << "ImposedMotionSP::sendSelf() - failed to send extra data\n"; return -1; } groundMotionTag = myExtraData(0); patternTag = myExtraData(1); return 0; } void ImposedMotionSP::Print(OPS_Stream &s, int flag) { s << "ImposedMotionSP: " << this->getTag(); s << "\t Node: " << this->getNodeTag(); s << " DOF: " << this->getDOF_Number() << endln; } Generated on Mon Oct 23 15:05:00 2006 for OpenSees by  1.5.0

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