void DataTest::
setVelocityField(const TimeLevelIndex<2> &timeIdx) {
io.open(dataIdx);
for (arma::uword m = 0; m < _domain->numDim(); ++m) {
io.input<double>(dataIdx, timeIdx, {&velocityField(m)});
}
if (timeIdx.isCurrentIndex()) {
velocityField.applyBndCond(timeIdx);
} else {
velocityField.applyBndCond(timeIdx, UPDATE_HALF_LEVEL);
}
io.close(dataIdx);
} // setVelocityField
void SolidRotationTestCase::advance(double time,
const TimeLevelIndex<2> &timeIdx) {
double sinAlpha = sin(alpha), cosAlpha = cos(alpha);
for (int j = 0; j < mesh->getNumGrid(1, velocity(0).getGridType(1)); ++j) {
double cosLat = mesh->getCosLat(velocity(0).getGridType(1), j);
double sinLat = mesh->getSinLat(velocity(0).getGridType(1), j);
for (int i = 0; i < mesh->getNumGrid(0, velocity(0).getGridType(0)); ++i) {
double cosLon = mesh->getCosLon(velocity(0).getGridType(0), i);
velocity(0)(timeIdx, i, j) = U0*(cosLat*cosAlpha+sinLat*cosLon*sinAlpha);
}
}
for (int j = 0; j < mesh->getNumGrid(1, velocity(1).getGridType(1)); ++j) {
for (int i = 0; i < mesh->getNumGrid(0, velocity(1).getGridType(0)); ++i) {
double sinLon = mesh->getSinLon(velocity(1).getGridType(0), i);
velocity(1)(timeIdx, i, j) = -U0*sinLon*sinAlpha;
}
}
if (timeIdx.isCurrentIndex()) {
velocity.applyBndCond(timeIdx);
} else {
velocity.applyBndCond(timeIdx, UPDATE_HALF_LEVEL);
}
}