Method update

SRC/element/adapter/Adapter.cpp:435–455

int Adapter::update()
{
    if (theChannel == 0)  {
        if (this->setupConnection() != 0)  {
            opserr << "Adapter::update() - "
                << "failed to setup connection\n";
            return -1;
        }
    }
    
    // assemble dsp in basic system
    int ndim = 0;
    db.Zero();
    for (int i=0; i<numExternalNodes; i++)  {
        Vector disp = theNodes[i]->getTrialDisp();
        db.Assemble(disp(theDOF[i]), ndim);
        ndim += theDOF[i].Size();
    }
    
    return 0;
}


const Matrix& Adapter::getTangentStiff()