int
NineFourNodeQuadUP::addInertiaLoadToUnbalance(const Vector &accel)
{
// accel = uDotDotG (see EarthquakePattern.cpp)
// Get R * accel from the nodes
static Vector ra(22);
int i, j, ik;
ra.Zero();
for (i=0; i<nenu; i++) {
const Vector &Raccel = theNodes[i]->getRV(accel);
if ((i<nenp && 3 != Raccel.Size()) || (i>=nenp && 2 != Raccel.Size())) {
opserr << "NineFourNodeQuadUP::addInertiaLoadToUnbalance matrix and vector sizes are incompatable\n";
return -1;
}
if (i<nenp) ik = i*3;
if (i>=nenp) ik = nenp*3 + (i-nenp)*2;
ra[ik] = Raccel(0);
ra[ik+1] = Raccel(1);
}
// Compute mass matrix
this->getMass();
// Want to add ( - fact * M R * accel ) to unbalance
for (i = 0; i < 22; i++) {
for (j = 0; j < 22; j++)
Q(i) += -K(i,j)*ra[j];
}
return 0;
}
int
ShellMITC9::addInertiaLoadToUnbalance(const Vector &accel)
{
static Vector r(54);
int tangFlag = 1 ;
int i;
int allRhoZero = 0;
for (i=0; i<9; i++) {
if (materialPointers[i]->getRho() != 0.0)
allRhoZero = 1;
}
if (allRhoZero == 0)
return 0;
formInertiaTerms( tangFlag ) ;
int count = 0;
for (i=0; i<9; i++) {
const Vector &Raccel = nodePointers[i]->getRV(accel);
for (int j=0; j<6; j++)
r(count++) = Raccel(j);
}
if (load == 0)
load = new Vector(54);
load->addMatrixVector(1.0, mass, r, -1.0);
return 0;
}
int XC::Twenty_Node_Brick::addInertiaLoadToUnbalance(const XC::Vector &accel)
{
static XC::Vector ra(60);
// printf("calling addInertiaLoadToUnbalance()\n");
ra.Zero();
for(int i = 0;i < nenu;i++)
{
const XC::Vector &Raccel = theNodes[i]->getRV(accel);
if(3 != Raccel.Size())
{
std::cerr << "XC::Twenty_Node_Brick::addInertiaLoadToUnbalance matrix and vector sizes are incompatable\n";
return -1;
}
ra[i*3] = Raccel(0);
ra[i*3+1] = Raccel(1);
ra[i*3+2] = Raccel(2);
}
// Compute mass matrix
int tangFlag = 1 ;
formInertiaTerms( tangFlag ) ;
// create the load vector if one does not exist
if(load.isEmpty())
load.reset(60);
// add -M * RV(accel) to the load vector
load.addMatrixVector(1.0, mass, ra, -1.0);
//for( i = 0; i < 60; i++) {
// for( j = 0; j < 60; j++)
// load(i) += -mass(i,j)*ra[j];
//}
return 0;
}
int GenericClient::addInertiaLoadToUnbalance(const Vector &accel)
{
if (massFlag == false)
this->getMass();
int ndim = 0, i;
Vector Raccel(numDOF);
// assemble Raccel vector
for (i=0; i<numExternalNodes; i++ ) {
Raccel.Assemble(theNodes[i]->getRV(accel), ndim);
ndim += theNodes[i]->getNumberDOF();
}
// want to add ( - fact * M R * accel ) to unbalance
theLoad.addMatrixVector(1.0, theMass, Raccel, -1.0);
return 0;
}
int
NineNodeMixedQuad::addInertiaLoadToUnbalance(const Vector &accel)
{
static const int numberGauss = 9 ;
static const int numberNodes = 9 ;
static const int ndf = 2 ;
int i;
// check to see if have mass
int haveRho = 0;
for (i = 0; i < numberGauss; i++) {
if (materialPointers[i]->getRho() != 0.0)
haveRho = 1;
}
if (haveRho == 0)
return 0;
// Compute mass matrix
int tangFlag = 1 ;
formInertiaTerms( tangFlag ) ;
// store computed RV fro nodes in resid vector
int count = 0;
for (i=0; i<numberNodes; i++) {
const Vector &Raccel = nodePointers[i]->getRV(accel);
for (int j=0; j<ndf; j++)
resid(count++) = Raccel(i);
}
// create the load vector if one does not exist
if (load == 0)
load = new Vector(numberNodes*ndf);
// add -M * RV(accel) to the load vector
load->addMatrixVector(1.0, mass, resid, -1.0);
return 0;
}
int Adapter::addInertiaLoadToUnbalance(const Vector &accel)
{
// check for quick return
if (mb == 0)
return 0;
int ndim = 0, i;
Vector Raccel(numDOF);
// get mass matrix
Matrix M = this->getMass();
// assemble Raccel vector
for (i=0; i<numExternalNodes; i++ ) {
Raccel.Assemble(theNodes[i]->getRV(accel), ndim);
ndim += theNodes[i]->getNumberDOF();
}
// want to add ( - fact * M R * accel ) to unbalance
theLoad.addMatrixVector(1.0, M, Raccel, -1.0);
return 0;
}
int
TwentyEightNodeBrickUP::addInertiaLoadToUnbalance(const Vector &accel)
{
static Vector ra(68);
int i, j, ik;
ra.Zero();
for( i = 0; i < nenu; i++) {
const Vector &Raccel = nodePointers[i]->getRV(accel);
if ((i<nenp && 4 != Raccel.Size()) || (i>=nenp && 3 != Raccel.Size())) {
opserr << "TwentyEightNodeBrickUP::addInertiaLoadToUnbalance matrix and vector sizes are incompatable\n";
return -1;
}
if (i<nenp)
ik = i*4;
else
ik = nenp*4 + (i-nenp)*3;
ra[ik] = Raccel(0);
ra[ik+1] = Raccel(1);
ra[ik+2] = Raccel(2);
}
// Compute mass matrix
int tangFlag = 1 ;
formInertiaTerms( tangFlag ) ;
// create the load vector if one does not exist
if (load == 0)
load = new Vector(68);
// add -M * RV(accel) to the load vector
load->addMatrixVector(1.0, mass, ra, -1.0);
//for( i = 0; i < 68; i++) {
// for( j = 0; j < 68; j++)
// load(i) += -mass(i,j)*ra[j];
//}
return 0;
}
