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Skipping Zero-Weighted Elements in HROM #12268

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Skipping Zero-Weighted Elements in HROM #12268

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a7debe5
First commit.
SADPR Apr 10, 2024
fd255e5
Second B&S
SADPR Apr 10, 2024
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8 changes: 6 additions & 2 deletions applications/RomApplication/custom_strategies/global_rom_builder_and_solver.h
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Original file line number Diff line number Diff line change
Expand Up @@ -503,7 +503,9 @@ class GlobalROMBuilderAndSolver : public ResidualBasedBlockBuilderAndSolver<TSpa
[&](Element::Pointer p_element)
{
if (p_element->Has(HROM_WEIGHT)) {
element_queue.enqueue(std::move(p_element));
if (p_element->GetValue(HROM_WEIGHT) != 0.0) {
element_queue.enqueue(std::move(p_element));
}
} else {
p_element->SetValue(HROM_WEIGHT, 1.0);
}
Expand All @@ -515,7 +517,9 @@ class GlobalROMBuilderAndSolver : public ResidualBasedBlockBuilderAndSolver<TSpa
[&](Condition::Pointer p_condition)
{
if (p_condition->Has(HROM_WEIGHT)) {
condition_queue.enqueue(std::move(p_condition));
if (p_condition->GetValue(HROM_WEIGHT) != 0.0) {
condition_queue.enqueue(std::move(p_condition));
}
} else {
p_condition->SetValue(HROM_WEIGHT, 1.0);
}
Expand Down
30 changes: 17 additions & 13 deletions applications/RomApplication/custom_strategies/rom_builder_and_solver.h
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Original file line number Diff line number Diff line change
Expand Up @@ -249,7 +249,7 @@ class ROMBuilderAndSolver : public BuilderAndSolver<TSparseSpace, TDenseSpace, T
SizeType GetNumberOfROMModes() const noexcept
{
return mNumberOfRomModes;
}
}

void ProjectToFineBasis(
const TSystemVectorType& rRomUnkowns,
Expand Down Expand Up @@ -280,7 +280,7 @@ class ROMBuilderAndSolver : public BuilderAndSolver<TSparseSpace, TDenseSpace, T
r_root_mp.GetValue(ROM_SOLUTION_INCREMENT) = ZeroVector(GetNumberOfROMModes());
}


void BuildAndSolve(
typename TSchemeType::Pointer pScheme,
ModelPart &rModelPart,
Expand Down Expand Up @@ -414,7 +414,7 @@ class ROMBuilderAndSolver : public BuilderAndSolver<TSparseSpace, TDenseSpace, T
///@}
///@name Protected operators
///@{

void BuildRHSNoDirichlet(
ModelPart& rModelPart,
TSystemVectorType& rb)
Expand Down Expand Up @@ -453,7 +453,7 @@ class ROMBuilderAndSolver : public BuilderAndSolver<TSparseSpace, TDenseSpace, T
AtomicAdd(r_bi, r_rhs_cond[i]); // Building RHS.
}
});
}
}

KRATOS_CATCH("")

Expand Down Expand Up @@ -497,7 +497,9 @@ class ROMBuilderAndSolver : public BuilderAndSolver<TSparseSpace, TDenseSpace, T
[&](Element::Pointer p_element)
{
if (p_element->Has(HROM_WEIGHT)) {
element_queue.enqueue(std::move(p_element));
if (p_element->GetValue(HROM_WEIGHT) != 0.0) {
element_queue.enqueue(std::move(p_element));
}
} else {
p_element->SetValue(HROM_WEIGHT, 1.0);
}
Expand All @@ -509,7 +511,9 @@ class ROMBuilderAndSolver : public BuilderAndSolver<TSparseSpace, TDenseSpace, T
[&](Condition::Pointer p_condition)
{
if (p_condition->Has(HROM_WEIGHT)) {
condition_queue.enqueue(std::move(p_condition));
if (p_condition->GetValue(HROM_WEIGHT) != 0.0) {
condition_queue.enqueue(std::move(p_condition));
}
} else {
p_condition->SetValue(HROM_WEIGHT, 1.0);
}
Expand All @@ -536,7 +540,7 @@ class ROMBuilderAndSolver : public BuilderAndSolver<TSparseSpace, TDenseSpace, T

KRATOS_CATCH("")
}

static DofQueue ExtractDofSet(
typename TSchemeType::Pointer pScheme,
ModelPart& rModelPart)
Expand Down Expand Up @@ -626,7 +630,7 @@ class ROMBuilderAndSolver : public BuilderAndSolver<TSparseSpace, TDenseSpace, T
RomSystemMatrixType aux = {}; // Auxiliary: romA = phi.t * (LHS * phi) := phi.t * aux
};


/**
* Class to sum-reduce matrices and vectors.
*/
Expand Down Expand Up @@ -681,7 +685,7 @@ class ROMBuilderAndSolver : public BuilderAndSolver<TSparseSpace, TDenseSpace, T
}

/**
* Builds the reduced system of equations on rank 0
* Builds the reduced system of equations on rank 0
*/
virtual void BuildROM(
typename TSchemeType::Pointer pScheme,
Expand Down Expand Up @@ -712,7 +716,7 @@ class ROMBuilderAndSolver : public BuilderAndSolver<TSparseSpace, TDenseSpace, T
if(!elements.empty())
{
std::tie(rA, rb) =
block_for_each<SystemSumReducer>(elements, assembly_tls_container,
block_for_each<SystemSumReducer>(elements, assembly_tls_container,
[&](Element& r_element, AssemblyTLS& r_thread_prealloc)
{
return CalculateLocalContribution(r_element, r_thread_prealloc, *pScheme, r_current_process_info);
Expand All @@ -726,7 +730,7 @@ class ROMBuilderAndSolver : public BuilderAndSolver<TSparseSpace, TDenseSpace, T
RomSystemVectorType bconditions;

std::tie(Aconditions, bconditions) =
block_for_each<SystemSumReducer>(conditions, assembly_tls_container,
block_for_each<SystemSumReducer>(conditions, assembly_tls_container,
[&](Condition& r_condition, AssemblyTLS& r_thread_prealloc)
{
return CalculateLocalContribution(r_condition, r_thread_prealloc, *pScheme, r_current_process_info);
Expand Down Expand Up @@ -754,7 +758,7 @@ class ROMBuilderAndSolver : public BuilderAndSolver<TSparseSpace, TDenseSpace, T
KRATOS_TRY

RomSystemVectorType dxrom(GetNumberOfROMModes());

const auto solving_timer = BuiltinTimer();
MathUtils<double>::Solve(rA, dxrom, rb);
// KRATOS_WATCH(dxrom)
Expand Down Expand Up @@ -791,7 +795,7 @@ class ROMBuilderAndSolver : public BuilderAndSolver<TSparseSpace, TDenseSpace, T
SizeType mNumberOfRomModes;

///@}
///@name Private operations
///@name Private operations
///@{

/**
Expand Down
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