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Add an example for node connectivity from WALE #3

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Add an example for node connectivity from WALE #3

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9 changes: 9 additions & 0 deletions plugins/UFEM/src/UFEM/les/WALE.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@

#include "common/Component.hpp"
#include "common/Builder.hpp"
#include "common/FindComponents.hpp"
#include "common/OptionT.hpp"
#include "common/OptionArray.hpp"
#include "common/PropertyList.hpp"
Expand Down Expand Up @@ -70,6 +71,9 @@ WALE::WALE(const std::string& name) :
.attach_trigger(boost::bind(&WALE::trigger_set_expression, this));

m_reset_viscosity = create_component<ProtoAction>("ResetViscosity");

m_node_connectivity = create_static_component<mesh::NodeConnectivity>("NodeConnectivity");
m_wale_op.op.m_node_connectivity = m_node_connectivity.get();

trigger_set_expression();
}
Expand Down Expand Up @@ -106,6 +110,11 @@ void WALE::on_regions_set()
m_node_valence->options().set("regions", options().option("regions").value());
}
m_reset_viscosity->options().set("regions", options().option("regions").value());
if(!m_loop_regions.empty())
{
mesh::Mesh& mesh = common::find_parent_component<mesh::Mesh>(*m_loop_regions.front());
m_node_connectivity->initialize(common::find_components_recursively_with_filter<mesh::Elements>(mesh, mesh::IsElementsVolume()));
}
}


Expand Down
17 changes: 17 additions & 0 deletions plugins/UFEM/src/UFEM/les/WALE.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
#include "../InitialConditions.hpp"

#include "LibUFEMLES.hpp"
#include "mesh/ConnectivityData.hpp"
#include "solver/actions/Proto/ProtoAction.hpp"
#include "solver/actions/Proto/Expression.hpp"

Expand Down Expand Up @@ -89,6 +90,20 @@ struct ComputeNuWALE
Sd.diagonal().array() -= grad_u2.trace()/3.;
const Real Sd_norm2 = Sd.squaredNorm();

const auto element_nodes = u.support().element_connectivity();
CFdebug << "looking up adjacent elements for element " << u.support().element_idx() << CFendl;
for(Uint node_idx : element_nodes)
{
CFdebug << "Elements next to node " << node_idx << ": ";
const Uint elements_begin = m_node_connectivity->node_first_elements()[node_idx];
const Uint elements_end = elements_begin + m_node_connectivity->node_element_counts()[node_idx];
for(Uint j = elements_begin; j != elements_end; ++j)
{
CFdebug << " " << m_node_connectivity->node_elements()[j].first << ", " << m_node_connectivity->node_elements()[j].second << " ";
}
CFdebug << CFendl;
}

// Compute the anisotropic cell size adjustment using the method of Scotti et al.
Real f = 1.;
if(use_anisotropic_correction)
Expand Down Expand Up @@ -147,6 +162,7 @@ struct ComputeNuWALE
// Model constant
Real cw;
bool use_anisotropic_correction;
mesh::NodeConnectivity* m_node_connectivity = nullptr;
};

}
Expand All @@ -171,6 +187,7 @@ class WALE : public solver::actions::Proto::ProtoAction
Handle<InitialConditions> m_initial_conditions;
Handle<common::Component> m_node_valence;
Handle<solver::actions::Proto::ProtoAction> m_reset_viscosity;
Handle<mesh::NodeConnectivity> m_node_connectivity;

/// The data stored by the WALE op terminal
solver::actions::Proto::MakeSFOp<detail::ComputeNuWALE>::stored_type m_wale_op;
Expand Down