void inner1() {
printf("Inner1\n");
inner2();
}
void peano::applications::faxen::lbf::mappings::RegularGrid2SwitchFromLB2NSE::handleCell(
peano::applications::faxen::lbf::RegularGridBlockVertex* const vertices,
peano::applications::faxen::lbf::RegularGridBlockCell& cell,
const peano::kernel::gridinterface::VertexEnumerator& enumerator
) {
logTraceInWith2Arguments( "handleCell()", enumerator.toString(), cell );
// only for 2D implementation
/*
* positions of LB cells that are used for velocities interpolation
* for NSE grid
*/
tarch::la::Vector<DIMENSIONS,double> positionU0;
tarch::la::Vector<DIMENSIONS,double> positionU1;
tarch::la::Vector<DIMENSIONS,double> positionU2;
tarch::la::Vector<DIMENSIONS,double> positionU3;
tarch::la::Vector<DIMENSIONS,double> positionV0;
tarch::la::Vector<DIMENSIONS,double> positionV1;
tarch::la::Vector<DIMENSIONS,double> positionV2;
tarch::la::Vector<DIMENSIONS,double> positionV3;
// cellSize
tarch::la::Vector<DIMENSIONS,double> cellSize = enumerator.getCellSize();
// cellCenter
tarch::la::Vector<DIMENSIONS,double> cellCenter = enumerator.getCellCenter();
// particles index
int index;
if(LB_BLOCKSIZE%2 == 0) {
positionU0[0] = cellCenter[0] + cellSize[0]/2 - _dx/2;
positionU0[1] = cellCenter[1] - _dx/2;
positionU1[0] = cellCenter[0] + cellSize[0]/2 + _dx/2;
positionU1[1] = cellCenter[1] - _dx/2;
positionU2[0] = cellCenter[0] + cellSize[0]/2 - _dx/2;
positionU2[1] = cellCenter[1] + _dx/2;
positionU3[0] = cellCenter[0] + cellSize[0]/2 + _dx/2;
positionU3[1] = cellCenter[1] + _dx/2;
positionV0[0] = cellCenter[0] - _dx/2;
positionV0[1] = cellCenter[1] + cellSize[1]/2 - _dx/2;
positionV1[0] = cellCenter[0] + _dx/2;
positionV1[1] = cellCenter[1] + cellSize[1]/2 - _dx/2;
positionV2[0] = cellCenter[0] - _dx/2;
positionV2[1] = cellCenter[1] + cellSize[1]/2 + _dx/2;
positionV3[0] = cellCenter[0] +_dx/2;
positionV3[1] = cellCenter[1] + cellSize[1]/2 + _dx/2;
} else {
positionU0[0] = cellCenter[0] + cellSize[0]/2;
positionU0[1] = cellCenter[1] - _dx/2;
positionU1[0] = cellCenter[0] + cellSize[0]/2;
positionU1[1] = cellCenter[1] + _dx/2;
positionV0[0] = cellCenter[0] - _dx/2;
positionV0[1] = cellCenter[1] + cellSize[1]/2;
positionV1[0] = cellCenter[0] + _dx/2;
positionV1[1] = cellCenter[1] + cellSize[1]/2;
}
// load bottom left vertex
peano::applications::latticeboltzmann::blocklatticeboltzmann::services::GridManagementService::getInstance().
loadVertex(vertices[enumerator(0)].getVertexNumber());
std::bitset<LB_BLOCK_NUMBER_OF_CELLS>& inner0(
peano::applications::latticeboltzmann::blocklatticeboltzmann::services::GridManagementService::getInstance().getInner());
tarch::la::Vector<LB_BLOCK_NUMBER_OF_CELLS,double>& density0(
peano::applications::latticeboltzmann::blocklatticeboltzmann::services::GridManagementService::getInstance().getDensity());
_p[0] = inner0[LB_BLOCK_NUMBER_OF_CELLS-1] ? density0[LB_BLOCK_NUMBER_OF_CELLS-1] : 0.0;
// load bottom right vertex
peano::applications::latticeboltzmann::blocklatticeboltzmann::services::GridManagementService::getInstance().
loadVertex(vertices[enumerator(1)].getVertexNumber());
std::bitset<LB_BLOCK_NUMBER_OF_CELLS>& inner1(
peano::applications::latticeboltzmann::blocklatticeboltzmann::services::GridManagementService::getInstance().getInner());
tarch::la::Vector<LB_BLOCK_NUMBER_OF_CELLS,double>& density1(
peano::applications::latticeboltzmann::blocklatticeboltzmann::services::GridManagementService::getInstance().getDensity());
_p[1] = inner1[LB_BLOCK_NUMBER_OF_CELLS-LB_BLOCKSIZE] ? density1[LB_BLOCK_NUMBER_OF_CELLS-LB_BLOCKSIZE] : 0.0;
tarch::la::Vector<LB_BLOCK_NUMBER_OF_CELLS*DIMENSIONS,double>& velocity1(peano::applications::latticeboltzmann::blocklatticeboltzmann::services::GridManagementService::getInstance().getVelocity());
if(LB_BLOCKSIZE%2 == 0) {
if( (index=peano::applications::faxen::lbf::services::ParticlesService::getInstance().belongs2Particle(positionU0)) != -1 ){
_u[0] = peano::applications::faxen::lbf::services::ParticlesService::getInstance().getParticlesVelocity(index)[0]/_dxbydt;
} else {
_u[0] = inner1[(2*LB_BLOCK_NUMBER_OF_CELLS-LB_BLOCKSIZE-2)/2] ? velocity1[2*LB_BLOCK_NUMBER_OF_CELLS-LB_BLOCKSIZE-2] : 0.0;
}
if( (index=peano::applications::faxen::lbf::services::ParticlesService::getInstance().belongs2Particle(positionU1)) != -1 ){
_u[1] = peano::applications::faxen::lbf::services::ParticlesService::getInstance().getParticlesVelocity(index)[0]/_dxbydt;
} else {
_u[1] = inner1[(2*LB_BLOCK_NUMBER_OF_CELLS-LB_BLOCKSIZE)/2] ? velocity1[2*LB_BLOCK_NUMBER_OF_CELLS-LB_BLOCKSIZE] : 0.0;
}
} else {
if( (index=peano::applications::faxen::lbf::services::ParticlesService::getInstance().belongs2Particle(positionU0)) != -1 ){
_u[0] = peano::applications::faxen::lbf::services::ParticlesService::getInstance().getParticlesVelocity(index)[0]/_dxbydt;
} else {
_u[0] = inner1[(2*LB_BLOCK_NUMBER_OF_CELLS-LB_BLOCKSIZE)/2] ? velocity1[2*LB_BLOCK_NUMBER_OF_CELLS-LB_BLOCKSIZE] : 0.0;
}
}
// load top left vertex
peano::applications::latticeboltzmann::blocklatticeboltzmann::services::GridManagementService::getInstance().
loadVertex(vertices[enumerator(2)].getVertexNumber());
std::bitset<LB_BLOCK_NUMBER_OF_CELLS>& inner2(
peano::applications::latticeboltzmann::blocklatticeboltzmann::services::GridManagementService::getInstance().getInner());
tarch::la::Vector<LB_BLOCK_NUMBER_OF_CELLS,double>& density2(
peano::applications::latticeboltzmann::blocklatticeboltzmann::services::GridManagementService::getInstance().getDensity());
_p[2] = inner2[LB_BLOCKSIZE-1] ? density2[LB_BLOCKSIZE-1] : 0.0;
tarch::la::Vector<LB_BLOCK_NUMBER_OF_CELLS*DIMENSIONS,double>& velocity2(
peano::applications::latticeboltzmann::blocklatticeboltzmann::services::GridManagementService::getInstance().getVelocity());
if(LB_BLOCKSIZE%2 == 0) {
if( (index=peano::applications::faxen::lbf::services::ParticlesService::getInstance().belongs2Particle(positionV0)) != -1 ){
_v[0] = peano::applications::faxen::lbf::services::ParticlesService::getInstance().getParticlesVelocity(index)[1]/_dxbydt;
} else {
_v[0] = inner2[(LB_BLOCK_NUMBER_OF_CELLS-1)/2] ? velocity2[LB_BLOCK_NUMBER_OF_CELLS-1] : 0.0;
}
if( (index=peano::applications::faxen::lbf::services::ParticlesService::getInstance().belongs2Particle(positionV2)) != -1 ){
_v[2] = peano::applications::faxen::lbf::services::ParticlesService::getInstance().getParticlesVelocity(index)[1]/_dxbydt;
} else {
_v[2] = inner2[(LB_BLOCK_NUMBER_OF_CELLS+2*LB_BLOCKSIZE-1)/2] ? velocity2[LB_BLOCK_NUMBER_OF_CELLS+2*LB_BLOCKSIZE-1] : 0.0;
}
} else {
if( (index=peano::applications::faxen::lbf::services::ParticlesService::getInstance().belongs2Particle(positionV0)) != -1 ){
_v[0] = peano::applications::faxen::lbf::services::ParticlesService::getInstance().getParticlesVelocity(index)[1]/_dxbydt;
} else {
_v[0] = inner2[(LB_BLOCK_NUMBER_OF_CELLS+LB_BLOCKSIZE-1)/2] ? velocity2[LB_BLOCK_NUMBER_OF_CELLS+LB_BLOCKSIZE-1] : 0.0;
}
}
// load top right vertex
peano::applications::latticeboltzmann::blocklatticeboltzmann::services::GridManagementService::getInstance().
loadVertex(vertices[enumerator(3)].getVertexNumber());
std::bitset<LB_BLOCK_NUMBER_OF_CELLS>& inner3(
peano::applications::latticeboltzmann::blocklatticeboltzmann::services::GridManagementService::getInstance().getInner());
tarch::la::Vector<LB_BLOCK_NUMBER_OF_CELLS,double>& density3(
peano::applications::latticeboltzmann::blocklatticeboltzmann::services::GridManagementService::getInstance().getDensity());
_p[3] = inner3[0] ? density3[0] : 0.0;
tarch::la::Vector<LB_BLOCK_NUMBER_OF_CELLS*DIMENSIONS,double>& velocity3(
peano::applications::latticeboltzmann::blocklatticeboltzmann::services::GridManagementService::getInstance().getVelocity());
if(LB_BLOCKSIZE%2 == 0) {
if( (index=peano::applications::faxen::lbf::services::ParticlesService::getInstance().belongs2Particle(positionU2)) != -1 ){
_u[2] = peano::applications::faxen::lbf::services::ParticlesService::getInstance().getParticlesVelocity(index)[0]/_dxbydt;
} else {
_u[2] = inner3[(LB_BLOCKSIZE-2)/2] ? velocity3[LB_BLOCKSIZE-2] : 0.0;
}
if( (index=peano::applications::faxen::lbf::services::ParticlesService::getInstance().belongs2Particle(positionU3)) != -1 ){
_u[3] = peano::applications::faxen::lbf::services::ParticlesService::getInstance().getParticlesVelocity(index)[0]/_dxbydt;
} else {
_u[3] = inner3[LB_BLOCKSIZE/2] ? velocity3[LB_BLOCKSIZE] : 0.0;
}
if( (index=peano::applications::faxen::lbf::services::ParticlesService::getInstance().belongs2Particle(positionV1)) != -1 ){
_v[1] = peano::applications::faxen::lbf::services::ParticlesService::getInstance().getParticlesVelocity(index)[1]/_dxbydt;
} else {
_v[1] = inner3[(LB_BLOCK_NUMBER_OF_CELLS-2*LB_BLOCKSIZE+1)/2] ? velocity3[LB_BLOCK_NUMBER_OF_CELLS-2*LB_BLOCKSIZE+1] : 0.0;
}
if( (index=peano::applications::faxen::lbf::services::ParticlesService::getInstance().belongs2Particle(positionV3)) != -1 ){
_v[3] = peano::applications::faxen::lbf::services::ParticlesService::getInstance().getParticlesVelocity(index)[1]/_dxbydt;
} else {
_v[3] = inner3[(LB_BLOCK_NUMBER_OF_CELLS+1)/2] ? velocity3[LB_BLOCK_NUMBER_OF_CELLS+1] : 0.0;
}
} else {
if( (index=peano::applications::faxen::lbf::services::ParticlesService::getInstance().belongs2Particle(positionU1)) != -1 ){
_u[1] = peano::applications::faxen::lbf::services::ParticlesService::getInstance().getParticlesVelocity(index)[0]/_dxbydt;
} else {
_u[1] = inner3[(LB_BLOCKSIZE-1)/2] ? velocity3[LB_BLOCKSIZE-1] : 0.0;
}
if( (index=peano::applications::faxen::lbf::services::ParticlesService::getInstance().belongs2Particle(positionV1)) != -1 ){
_v[1] = peano::applications::faxen::lbf::services::ParticlesService::getInstance().getParticlesVelocity(index)[1]/_dxbydt;
} else {
_v[1] = inner3[(LB_BLOCK_NUMBER_OF_CELLS-LB_BLOCKSIZE+1)/2] ? velocity3[LB_BLOCK_NUMBER_OF_CELLS-LB_BLOCKSIZE+1] : 0.0;
}
}
double P_new = ((_p[0]+_p[1]+_p[2]+_p[3])/4)*_dxbydt*_dxbydt*_rho/3;
double P_old = cell.getP();
// updating cell's pressure and its averages with neighbors.
vertices[enumerator(1)].updateP0(P_old,P_new);
vertices[enumerator(2)].updateP1(P_old,P_new);
vertices[enumerator(3)].updateP0(P_old,P_new);
vertices[enumerator(3)].updateP1(P_old,P_new);
cell.setP(P_new);
double U_new, V_new;
double U_old = cell.getU();
double V_old = cell.getV();
if(LB_BLOCKSIZE%2 == 0) {
U_new = _dxbydt*(_u[0]+_u[1]+_u[2]+_u[3])/4;
V_new = _dxbydt*(_v[0]+_v[1]+_v[2]+_v[3])/4;
} else {
U_new = _dxbydt*(_u[0]+_u[1])/2;
V_new = _dxbydt*(_v[0]+_v[1])/2;
}
// updating cell's horizontal velocity and its averages with neighbors.
vertices[enumerator(0)].updateU0(U_old,U_new);
vertices[enumerator(1)].updateU1(U_old,U_new);
vertices[enumerator(1)].updateU0(U_old,U_new);
vertices[enumerator(2)].updateU2(U_old,U_new);
vertices[enumerator(3)].updateU2(U_old,U_new);
vertices[enumerator(2)].updateU0(U_old,U_new);
vertices[enumerator(3)].updateU1(U_old,U_new);
vertices[enumerator(3)].updateU0(U_old,U_new);
cell.setU(U_new);
// updating cell's vertical velocity and its averages with neighbors.
vertices[enumerator(0)].updateV0(V_old,V_new);
vertices[enumerator(1)].updateV1(V_old,V_new);
vertices[enumerator(1)].updateV0(V_old,V_new);
vertices[enumerator(2)].updateV2(V_old,V_new);
vertices[enumerator(3)].updateV2(V_old,V_new);
vertices[enumerator(2)].updateV0(V_old,V_new);
vertices[enumerator(3)].updateV1(V_old,V_new);
vertices[enumerator(3)].updateV0(V_old,V_new);
cell.setV(V_new);
logTraceOut( "handleCell()" );
}
