Method incrNodeVel

DEVELOPER/core/DOF_Group.cpp:681–701

//	values in udot, components identified by myID;

void
DOF_Group::incrNodeVel(const Vector &udot)
{

    if (myNode == 0) {
	opserr << "DOF_Group::incrNodeVel: 0 Node Pointer\n";
	exit(-1);
    }
    
    Vector &vel = *unbalance;
    int i;
    
    // get vel for my dof out of vector udot
    for (i=0; i<numDOF; i++) {
	int loc = myID(i);
	if (loc >= 0)
	    vel(i) = udot(loc);  // -1 for dof labelled 1 through ndof
	else  vel(i) = 0.0;
    }
    myNode->incrTrialVel(vel);
}