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Commit 368ea2c8 authored by Helen Schottenhamml's avatar Helen Schottenhamml
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Merge branch 'InitComplexForest' into 'master' 

New Initialisation function for Complex Geometry

See merge request walberla/walberla!515
parents 5daf69e1 9169b4a2
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src/mesh/blockforest/BlockForestInitialization.cpp
View file @ 368ea2c8
......@@ -40,6 +40,16 @@ static inline uint_t uintAbsDiff( const uint_t x, const uint_t y )
return x > y ? x - y : y - x;
}
static inline void compareAABB( const AABB & oldAABB, const AABB & newAABB )
{
if(oldAABB != newAABB)
{
WALBERLA_LOG_INFO_ON_ROOT( "Domain AABB has been adapted to requested block size:\n" \
"Old AABB: " << oldAABB << "\n" \
"New AABB: " << newAABB << "\n" )
}
}
ComplexGeometryBlockforestCreator::ComplexGeometryBlockforestCreator( const AABB & aabb, const blockforest::SetupBlockForest::RootBlockExclusionFunction & rootBlockExclusionFunction )
: aabb_(aabb), maxIterations_(25), acceptableRelativeError_( real_t(0.1) ), maxBlockSkewness_(2.0),
processMemoryLimit_( real_t( 0.0 ) ), periodicity_( false, false, false ), rootBlockExclusionFunction_ ( rootBlockExclusionFunction ),
......@@ -128,7 +138,7 @@ shared_ptr<SetupBlockForest> ComplexGeometryBlockforestCreator::createSetupBlock
++i;
}
WALBERLA_LOG_INFO_ON_ROOT( "Using a block grid of size " << bestSizeBlockGrid3D << " (" << bestSizeBlockGrid << ") resulting in " << bestNumRootBlocks << " root blocks." );
WALBERLA_LOG_INFO_ON_ROOT( "Using a block grid of size " << bestSizeBlockGrid3D << " (" << bestSizeBlockGrid << ") resulting in " << bestNumRootBlocks << " root blocks." )
auto setupBlockForest = make_shared<SetupBlockForest>();
setupBlockForest->addRootBlockExclusionFunction( rootBlockExclusionFunction_ );
......@@ -154,10 +164,7 @@ shared_ptr<SetupBlockForest> ComplexGeometryBlockforestCreator::createSetupBlock
real_c( numBlocks[0] ) * blockSize[0], real_c( numBlocks[1] ) * blockSize[1], real_c( numBlocks[2] ) * blockSize[2] );
newAABB.translate( aabb_.center() - newAABB.center() );
WALBERLA_LOG_INFO_ON_ROOT( "Domain AABB may have been adapted to requested block size:\n" \
"Old AABB: " << aabb_ << "\n" \
"New AABB: " << newAABB << "\n" );
compareAABB(aabb_, newAABB);
auto setupBlockForest = make_shared<SetupBlockForest>();
setupBlockForest->addRootBlockExclusionFunction( rootBlockExclusionFunction_ );
......@@ -190,14 +197,14 @@ shared_ptr<BlockForest> ComplexGeometryBlockforestCreator::createBlockForest( co
uint_t ComplexGeometryBlockforestCreator::findNumBlocks( const Vector3<uint_t> & numRootBlocks3D ) const
{
WALBERLA_LOG_DEVEL_ON_ROOT( "Testing block grid " << numRootBlocks3D );
WALBERLA_LOG_DEVEL_ON_ROOT( "Testing block grid " << numRootBlocks3D )
SetupBlockForest setupBlockForest;
setupBlockForest.addRootBlockExclusionFunction( rootBlockExclusionFunction_ );
setupBlockForest.init( aabb_, numRootBlocks3D[0], numRootBlocks3D[1], numRootBlocks3D[2], periodicity_[0], periodicity_[1], periodicity_[2] );
WALBERLA_LOG_DEVEL_ON_ROOT( "Testing block grid " << numRootBlocks3D << " resulted in " << setupBlockForest.getNumberOfBlocks() );
WALBERLA_LOG_DEVEL_ON_ROOT( "Testing block grid " << numRootBlocks3D << " resulted in " << setupBlockForest.getNumberOfBlocks() )
return uint_c( setupBlockForest.getNumberOfBlocks() );
......@@ -300,7 +307,7 @@ shared_ptr<SetupBlockForest> ComplexGeometryStructuredBlockforestCreator::create
++i;
}
WALBERLA_LOG_INFO_ON_ROOT( "Using a block of size " << bestBlockSize << " resulting in " << bestNumRootBlocks << " root blocks." );
WALBERLA_LOG_INFO_ON_ROOT( "Using a block of size " << bestBlockSize << " resulting in " << bestNumRootBlocks << " root blocks." )
Vector3<uint_t> numBlocks( uint_c( std::ceil( real_c( numCells[0] ) / real_c( bestBlockSize ) ) ),
uint_c( std::ceil( real_c( numCells[1] ) / real_c( bestBlockSize ) ) ),
......@@ -312,10 +319,7 @@ shared_ptr<SetupBlockForest> ComplexGeometryStructuredBlockforestCreator::create
real_c( numBlocks[2] * bestBlockSize ) * cellSize_[2] );
newAABB.translate( aabb_.center() - newAABB.center() );
WALBERLA_LOG_INFO_ON_ROOT( "Domain AABB may have been adapted to block size:\n" \
"Old AABB: " << aabb_ << "\n" \
"New AABB: " << newAABB << "\n" );
compareAABB(aabb_, newAABB);
auto setupBlockForest = make_shared<SetupBlockForest>();
setupBlockForest->addRootBlockExclusionFunction( rootBlockExclusionFunction_ );
......@@ -329,9 +333,6 @@ shared_ptr<SetupBlockForest> ComplexGeometryStructuredBlockforestCreator::create
setupBlockForest->balanceLoad( targetProcessAssignmentFunction_, numProcesses, uint_t(0), processMemoryLimit_, true, false );
return setupBlockForest;
return make_shared<SetupBlockForest>();
}
......@@ -350,10 +351,32 @@ shared_ptr<SetupBlockForest> ComplexGeometryStructuredBlockforestCreator::create
real_c( numBlocks[2] * blockSize[2] ) * cellSize_[2] );
newAABB.translate( aabb_.center() - newAABB.center() );
compareAABB(aabb_, newAABB);
auto setupBlockForest = make_shared<SetupBlockForest>();
setupBlockForest->addRootBlockExclusionFunction( rootBlockExclusionFunction_ );
setupBlockForest->addWorkloadMemorySUIDAssignmentFunction( workloadMemorySUIDAssignmentFunction_ );
if( refinementSelectionFunction_ )
setupBlockForest->addRefinementSelectionFunction( refinementSelectionFunction_ );
setupBlockForest->init( newAABB, numBlocks[0], numBlocks[1], numBlocks[2], periodicity_[0], periodicity_[1], periodicity_[2] );
setupBlockForest->balanceLoad( targetProcessAssignmentFunction_, numProcesses, uint_t(0), processMemoryLimit_, true, false );
return setupBlockForest;
}
shared_ptr<SetupBlockForest> ComplexGeometryStructuredBlockforestCreator::createSetupBlockForest( const Vector3<uint_t> & cellsPerBlock, const Vector3<uint_t> & numBlocks ) const
{
uint_t numProcesses = numBlocks[0] * numBlocks[1] * numBlocks[2];
WALBERLA_LOG_INFO_ON_ROOT( "Domain AABB may have been adapted to requested block size:\n" \
"Old AABB: " << aabb_ << "\n" \
"New AABB: " << newAABB << "\n" );
AABB newAABB(real_t(0), real_t(0), real_t(0), real_c(numBlocks[0] * cellsPerBlock[0]) * cellSize_[0],
real_c(numBlocks[1] * cellsPerBlock[1]) * cellSize_[1], real_c(numBlocks[2] * cellsPerBlock[2]) * cellSize_[2]);
newAABB.translate( aabb_.center() - newAABB.center() );
compareAABB(aabb_, newAABB);
auto setupBlockForest = make_shared<SetupBlockForest>();
setupBlockForest->addRootBlockExclusionFunction( rootBlockExclusionFunction_ );
......@@ -379,9 +402,9 @@ shared_ptr<StructuredBlockForest> ComplexGeometryStructuredBlockforestCreator::c
Vector3<uint_t> blockSizeCells( uint_c( blockSize[0] / cellSize_[0] + real_t(0.5) ), uint_c( blockSize[1] / cellSize_[1] + real_t(0.5) ), uint_c( blockSize[2] / cellSize_[2] + real_t(0.5) ) );
WALBERLA_ASSERT_FLOAT_EQUAL( blockSize[0] / cellSize_[0], real_c( blockSizeCells[0] ) );
WALBERLA_ASSERT_FLOAT_EQUAL( blockSize[1] / cellSize_[1], real_c( blockSizeCells[1] ) );
WALBERLA_ASSERT_FLOAT_EQUAL( blockSize[2] / cellSize_[2], real_c( blockSizeCells[2] ) );
WALBERLA_ASSERT_FLOAT_EQUAL( blockSize[0] / cellSize_[0], real_c( blockSizeCells[0] ) )
WALBERLA_ASSERT_FLOAT_EQUAL( blockSize[1] / cellSize_[1], real_c( blockSizeCells[1] ) )
WALBERLA_ASSERT_FLOAT_EQUAL( blockSize[2] / cellSize_[2], real_c( blockSizeCells[2] ) )
auto blockForest = make_shared< blockforest::BlockForest >( MPIManager::instance()->rank(), *setupBlockForest );
......@@ -405,9 +428,22 @@ shared_ptr<StructuredBlockForest> ComplexGeometryStructuredBlockforestCreator::c
return structuredBlockForest;
}
shared_ptr<StructuredBlockForest> ComplexGeometryStructuredBlockforestCreator::createStructuredBlockForest( const Vector3<uint_t> & cellsPerBlock, const Vector3<uint_t> & numBlocks ) const
{
shared_ptr< blockforest::SetupBlockForest> setupBlockForest = createSetupBlockForest( cellsPerBlock, numBlocks );
auto blockForest = make_shared< blockforest::BlockForest >( MPIManager::instance()->rank(), *setupBlockForest );
auto structuredBlockForest = make_shared< blockforest::StructuredBlockForest >( blockForest, cellsPerBlock[0], cellsPerBlock[1], cellsPerBlock[2] );
structuredBlockForest->createCellBoundingBoxes();
return structuredBlockForest;
}
uint_t ComplexGeometryStructuredBlockforestCreator::findNumBlocks( const Vector3<uint_t> & blockSize ) const
{
WALBERLA_LOG_DEVEL_ON_ROOT( "Testing block size " << blockSize );
WALBERLA_LOG_DEVEL_ON_ROOT( "Testing block size " << blockSize )
Vector3<uint_t> numCells( uint_c( std::ceil( aabb_.xSize() / cellSize_[0] ) ),
uint_c( std::ceil( aabb_.ySize() / cellSize_[1] ) ),
......@@ -433,7 +469,7 @@ uint_t ComplexGeometryStructuredBlockforestCreator::findNumBlocks( const Vector3
setupBlockForest.init( newAABB, numBlocks[0], numBlocks[1], numBlocks[2], periodicity_[0], periodicity_[1], periodicity_[2] );
WALBERLA_LOG_DEVEL_ON_ROOT( "Testing block size " << blockSize << " resulted in " << setupBlockForest.getNumberOfBlocks() );
WALBERLA_LOG_DEVEL_ON_ROOT( "Testing block size " << blockSize << " resulted in " << setupBlockForest.getNumberOfBlocks() )
return setupBlockForest.getNumberOfBlocks();
......
src/mesh/blockforest/BlockForestInitialization.h
View file @ 368ea2c8
......@@ -88,9 +88,11 @@ public:
shared_ptr<SetupBlockForest> createSetupBlockForest ( const uint_t targetNumRootBlocks, const uint_t numProcesses = uint_c( MPIManager::instance()->numProcesses() ) ) const;
shared_ptr<SetupBlockForest> createSetupBlockForest ( const Vector3<uint_t> & blockSize, const uint_t numProcesses = uint_c( MPIManager::instance()->numProcesses() ) ) const;
shared_ptr<SetupBlockForest> createSetupBlockForest ( const Vector3<uint_t> & cellsPerBlock, const Vector3<uint_t> & numBlocks ) const;
shared_ptr<StructuredBlockForest> createStructuredBlockForest( const uint_t targetNumRootBlocks ) const;
shared_ptr<StructuredBlockForest> createStructuredBlockForest( const Vector3<uint_t> & blockSize ) const;
shared_ptr<StructuredBlockForest> createStructuredBlockForest( const Vector3<uint_t> & cellsPerBlock, const Vector3<uint_t> & numBlocks ) const;
......
src/mesh/blockforest/CMakeLists.txt
View file @ 368ea2c8
......@@ -4,5 +4,5 @@ target_sources( mesh
BlockForestInitialization.cpp
BlockWorkloadMemory.h
BlockExclusion.h
BlockForestInitialization.h
BlockForestInitialization.h
)
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