Method incrTrialAccel

DEVELOPER/core/Node.cpp:967–993

int
Node::incrTrialAccel(const Vector &incrAccel)
{
    // check vector arg is of correct size
    if (incrAccel.Size() != numberDOF) {
	opserr << "WARNING Node::incrTrialAccel() - incompatable sizes\n";
	return -2;
    }    

    // create a copy if no trial exists andd add committed    
    if (trialAccel == 0) {
	if (this->createAccel() < 0) {
	    opserr << "FATAL Node::incrTrialAccel() - ran out of memory\n";
	    exit(-1);
	}    
	for (int i = 0; i<numberDOF; i++)
	    accel[i] = incrAccel(i);

	return 0;
    }

    // otherwise set trial = incr + trial
    for (int i = 0; i<numberDOF; i++)
	accel[i] += incrAccel(i);    

    return 0;
}


void