void VelocityBufferReadStencil::applyBackWall (FlowField & flowField, int i, int j, int k){
const int index = 3 * (i + (flowField.getNx()+3) * j);
flowField.getVelocity().getVector(i, j, flowField.getNz()+2)[0] = _backBufferIn[ index ];
flowField.getVelocity().getVector(i, j, flowField.getNz()+2)[1] = _backBufferIn[index+1];
flowField.getVelocity().getVector(i, j, flowField.getNz()+2)[2] = _backBufferIn[index+2];
}
void VelocityBufferFillStencil::applyFrontWall (FlowField & flowField, int i, int j, int k){
const int index = 3 * (i + (flowField.getNx()+3) * j);
_frontBufferOut[ index ] = flowField.getVelocity().getVector(i, j, 2)[0];
_frontBufferOut[index+1] = flowField.getVelocity().getVector(i, j, 2)[1];
_frontBufferOut[index+2] = flowField.getVelocity().getVector(i, j, 2)[2];
}
void VelocityBufferReadStencil::applyLeftWall (FlowField & flowField, int i, int j){
flowField.getVelocity().getVector(0, j)[0] = _leftBufferIn[ 2*j ];
flowField.getVelocity().getVector(1, j)[1] = _leftBufferIn[2*j+1];
}
void PressureBufferReadStencil::applyBackWall (FlowField & flowField, int i, int j, int k){
const int index = i + (flowField.getNx()+3) * j;
flowField.getPressure().getScalar(i, j, flowField.getNz()+2) = _backBufferIn[index];
}
void VelocityBufferFillStencil::applyRightWall (FlowField & flowField, int i, int j, int k){
const int index = 3 * (j + (flowField.getNy()+3) * k);
_rightBufferOut[ index ] = flowField.getVelocity().getVector(flowField.getNx(), j, k)[0];
_rightBufferOut[index+1] = flowField.getVelocity().getVector(flowField.getNx()+1, j, k)[1];
_rightBufferOut[index+2] = flowField.getVelocity().getVector(flowField.getNx()+1, j, k)[2];
}
void PressureBufferReadStencil::applyBottomWall (FlowField & flowField, int i, int j, int k){
const int index = i + (flowField.getNx()+3) * k;
flowField.getPressure().getScalar(i, 1, k) = _bottomBufferIn[index];
}
void PressureBufferReadStencil::applyTopWall (FlowField & flowField, int i, int j, int k){
const int index = i + (flowField.getNx()+3) * k;
flowField.getPressure().getScalar(i, flowField.getNy()+2, k) = _topBufferIn[index];
}
void PressureBufferFillStencil::applyRightWall (FlowField & flowField, int i, int j, int k){
const int index = j + (flowField.getNy()+3) * k;
_rightBufferOut[index] = flowField.getPressure().getScalar(flowField.getNx()+1, j, k);
}
void PressureBufferFillStencil::applyBottomWall (FlowField & flowField, int i, int j, int k){
const int index = i + (flowField.getNx()+3) * k;
_bottomBufferOut[index] = flowField.getPressure().getScalar(i, 2, k);
}
void PressureBufferFillStencil::applyBottomWall (FlowField & flowField, int i, int j){
_bottomBufferOut[i] = flowField.getPressure().getScalar(i, 2);
}
void PressureBufferFillStencil::applyTopWall (FlowField & flowField, int i, int j){
_topBufferOut[i] = flowField.getPressure().getScalar(i, flowField.getNy()+1);
}
void PressureBufferFillStencil::applyRightWall (FlowField & flowField, int i, int j){
_rightBufferOut[j] = flowField.getPressure().getScalar(flowField.getNx()+1, j);
}
void VelocityBufferFillStencil::applyLeftWall (FlowField & flowField, int i, int j){
_leftBufferOut[ 2*j ] = flowField.getVelocity().getVector(2, j)[0];
_leftBufferOut[2*j+1] = flowField.getVelocity().getVector(2, j)[1];
}
void PressureBufferFillStencil::applyLeftWall (FlowField & flowField, int i, int j){
_leftBufferOut[j] = flowField.getPressure().getScalar(2, j);
}
void PressureBufferReadStencil::applyTopWall (FlowField & flowField, int i, int j){
flowField.getPressure().getScalar(i, flowField.getNy()+2) = _topBufferIn[i];
}
void PressureBufferFillStencil::applyTopWall (FlowField & flowField, int i, int j, int k){
const int index = i + (flowField.getNx()+3) * k;
_topBufferOut[index] = flowField.getPressure().getScalar(i, flowField.getNy()+1, k);
}
void PressureBufferReadStencil::applyRightWall (FlowField & flowField, int i, int j, int k){
const int index = j + (flowField.getNy()+3) * k;
flowField.getPressure().getScalar(flowField.getNx()+2, j, k) = _rightBufferIn[index];
}
void PressureBufferFillStencil::applyFrontWall (FlowField & flowField, int i, int j, int k){
const int index = i + (flowField.getNx()+3) * j;
_frontBufferOut[index] = flowField.getPressure().getScalar(i, j, 2);
}
void VelocityBufferFillStencil::applyBottomWall (FlowField & flowField, int i, int j){
_bottomBufferOut[ 2*i ] = flowField.getVelocity().getVector(i, 2)[0];
_bottomBufferOut[2*i+1] = flowField.getVelocity().getVector(i, 2)[1];
}
void PressureBufferFillStencil::applyBackWall (FlowField & flowField, int i, int j, int k){
const int index = i + (flowField.getNx()+3) * j;
_backBufferOut[index] = flowField.getPressure().getScalar(i, j, flowField.getNz()+1);
}
void PressureBufferReadStencil::applyFrontWall (FlowField & flowField, int i, int j, int k){
const int index = i + (flowField.getNx()+3) * j;
flowField.getPressure().getScalar(i, j, 1) = _frontBufferIn[index];
}
void VelocityBufferFillStencil::applyRightWall (FlowField & flowField, int i, int j){
_rightBufferOut[ 2*j ] = flowField.getVelocity().getVector(flowField.getNx() , j)[0];
_rightBufferOut[2*j+1] = flowField.getVelocity().getVector(flowField.getNx()+1, j)[1];
}
void VelocityBufferFillStencil::applyTopWall (FlowField & flowField, int i, int j){
_topBufferOut[ 2*i ] = flowField.getVelocity().getVector(i, flowField.getNy()+1)[0];
_topBufferOut[2*i+1] = flowField.getVelocity().getVector(i, flowField.getNy() )[1];
}
void PressureBufferReadStencil::applyLeftWall (FlowField & flowField, int i, int j){
flowField.getPressure().getScalar(1, j) = _leftBufferIn[j];
}
void VelocityBufferFillStencil::applyTopWall (FlowField & flowField, int i, int j, int k){
const int index = 3 * (i + (flowField.getNx()+3) * k);
_topBufferOut[ index ] = flowField.getVelocity().getVector(i, flowField.getNy()+1, k)[0];
_topBufferOut[index+1] = flowField.getVelocity().getVector(i, flowField.getNy() , k)[1];
_topBufferOut[index+2] = flowField.getVelocity().getVector(i, flowField.getNy()+1, k)[2];
}
void PressureBufferReadStencil::applyRightWall (FlowField & flowField, int i, int j){
flowField.getPressure().getScalar(flowField.getNx()+2, j) = _rightBufferIn[j];
}
void VelocityBufferFillStencil::applyBackWall (FlowField & flowField, int i, int j, int k){
const int index = 3 * (i + (flowField.getNx()+3) * j);
_backBufferOut[ index ] = flowField.getVelocity().getVector(i, j, flowField.getNz()+1)[0];
_backBufferOut[index+1] = flowField.getVelocity().getVector(i, j, flowField.getNz()+1)[1];
_backBufferOut[index+2] = flowField.getVelocity().getVector(i, j, flowField.getNz() )[2];
}
void PressureBufferReadStencil::applyBottomWall (FlowField & flowField, int i, int j){
flowField.getPressure().getScalar(i, 1) = _bottomBufferIn[i];
}
void VelocityStencil::apply ( FlowField & flowField, int i, int j, int k ){
const FLOAT dt = _parameters.timestep.dt;
const int obstacle = flowField.getFlags().getValue(i, j, k);
VectorField & velocity = flowField.getVelocity();
if ((obstacle & OBSTACLE_SELF) == 0) {
if ((obstacle & OBSTACLE_RIGHT) == 0) {
const FLOAT dx = 0.5*(_parameters.meshsize->getDx(i,j,k)+_parameters.meshsize->getDx(i+1,j,k));
velocity.getVector(i,j,k)[0] = flowField.getFGH().getVector(i,j,k)[0] - dt/dx *
(flowField.getPressure().getScalar(i+1,j,k) - flowField.getPressure().getScalar(i,j,k));
} else {
velocity.getVector(i, j, k)[0] = 0.0;
}
if ((obstacle & OBSTACLE_TOP) == 0) {
const FLOAT dy = 0.5*(_parameters.meshsize->getDy(i,j,k)+_parameters.meshsize->getDy(i,j+1,k));
velocity.getVector(i,j,k)[1] = flowField.getFGH().getVector(i,j,k)[1] - dt/dy *
(flowField.getPressure().getScalar(i,j+1,k) - flowField.getPressure().getScalar(i,j,k));
} else {
velocity.getVector(i, j, k)[1] = 0.0;
}
if ((obstacle & OBSTACLE_BACK) == 0) {
const FLOAT dz = 0.5*(_parameters.meshsize->getDz(i,j,k)+_parameters.meshsize->getDz(i,j,k+1));
velocity.getVector(i,j,k)[2] = flowField.getFGH().getVector(i,j,k)[2] - dt/dz *
(flowField.getPressure().getScalar(i,j,k+1) - flowField.getPressure().getScalar(i,j,k));
} else {
velocity.getVector(i, j, k)[2] = 0.0;
}
}
}
void VelocityBufferReadStencil::applyFrontWall (FlowField & flowField, int i, int j, int k){
const int index = 3 * (i + (flowField.getNx()+3) * j);
flowField.getVelocity().getVector(i, j, 1)[0] = _frontBufferIn[ index ];
flowField.getVelocity().getVector(i, j, 1)[1] = _frontBufferIn[index+1];
flowField.getVelocity().getVector(i, j, 0)[2] = _frontBufferIn[index+2];
}
