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Commit cfed59c8 authored by Chris Cantwell's avatar Chris Cantwell
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Merge branch 'fix/MovingBodyBC' into 'master' 

Fix/moving body bc

See merge request !852
parents 3f12b281 218efb1c
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CHANGELOG.md
View file @ cfed59c8
...@@ -91,6 +91,7 @@ v4.4.1 ...@@ -91,6 +91,7 @@ v4.4.1
**IncNavierStokesSolver** **IncNavierStokesSolver**
- Fix an initialisation issue when using an additional advective field (!779) - Fix an initialisation issue when using an additional advective field (!779)
- Fix MovingBody boundary condition (!852)
**Utilities** **Utilities**
- Fix vtkToFld missing dependency which prevented compiling with VTK 7.1 (!808) - Fix vtkToFld missing dependency which prevented compiling with VTK 7.1 (!808)
......
library/GlobalMapping/Mapping.cpp
View file @ cfed59c8
...@@ -1075,18 +1075,8 @@ void Mapping::v_UpdateBCs( const NekDouble time) ...@@ -1075,18 +1075,8 @@ void Mapping::v_UpdateBCs( const NekDouble time)
int nbnds = m_fields[0]->GetBndConditions().num_elements(); int nbnds = m_fields[0]->GetBndConditions().num_elements();
// Declare variables // Declare variables
Array<OneD, int> BCtoElmtID;
Array<OneD, int> BCtoTraceID;
Array<OneD, const SpatialDomains::BoundaryConditionShPtr> BndConds; Array<OneD, const SpatialDomains::BoundaryConditionShPtr> BndConds;
Array<OneD, MultiRegions::ExpListSharedPtr> BndExp; Array<OneD, MultiRegions::ExpListSharedPtr> BndExp;
StdRegions::StdExpansionSharedPtr elmt;
StdRegions::StdExpansionSharedPtr Bc;
Array<OneD, NekDouble> ElmtVal(physTot, 0.0);
Array<OneD, NekDouble> BndVal(physTot, 0.0);
Array<OneD, NekDouble> coordVelElmt(physTot, 0.0);
Array<OneD, NekDouble> coordVelBnd(physTot, 0.0);
Array<OneD, NekDouble> Vals(physTot, 0.0);
Array<OneD, bool> isDirichlet(nfields); Array<OneD, bool> isDirichlet(nfields);
...@@ -1180,66 +1170,26 @@ void Mapping::v_UpdateBCs( const NekDouble time) ...@@ -1180,66 +1170,26 @@ void Mapping::v_UpdateBCs( const NekDouble time)
{ {
BndConds = m_fields[i]->GetBndConditions(); BndConds = m_fields[i]->GetBndConditions();
BndExp = m_fields[i]->GetBndCondExpansions(); BndExp = m_fields[i]->GetBndCondExpansions();
if( BndConds[n]->GetUserDefined() =="" ||
// Loop boundary conditions again to get correct BndConds[n]->GetUserDefined() =="MovingBody")
// values for cnt
int cnt = 0;
for(int m = 0 ; m < nbnds; ++m)
{ {
int exp_size = BndExp[m]->GetExpSize(); m_fields[i]->ExtractPhysToBnd(n,
if (m==n && isDirichlet[i]) values[i], BndExp[n]->UpdatePhys());
{
for (int j = 0; j < exp_size; ++j, cnt++) // Apply MovingBody correction
{ if ( (i<nvel) &&
m_fields[i]->GetBoundaryToElmtMap(BCtoElmtID, BndConds[n]->GetUserDefined() ==
BCtoTraceID); "MovingBody" )
/// Casting the bnd exp to the specific case
Bc = std::dynamic_pointer_cast<
StdRegions::StdExpansion>
(BndExp[n]->GetExp(j));
// Get element expansion
elmt = m_fields[i]->GetExp(BCtoElmtID[cnt]);
// Get values on the element
ElmtVal = values[i] +
m_fields[i]->GetPhys_Offset(
BCtoElmtID[cnt]);
// Get values on boundary
elmt->GetTracePhysVals(BCtoTraceID[cnt],
Bc, ElmtVal, BndVal);
// Pointer to value that should be updated
Vals = BndExp[n]->UpdatePhys()
+ BndExp[n]->GetPhys_Offset(j);
// Copy result
Vmath::Vcopy(Bc->GetTotPoints(),
BndVal, 1, Vals, 1);
// Apply MovingBody correction
if ( (i<nvel) &&
BndConds[n]->GetUserDefined() ==
"MovingBody" )
{
// get coordVel in the element
coordVelElmt = coordVel[i] +
m_fields[i]->GetPhys_Offset(
BCtoElmtID[cnt]);
// Get values on boundary
elmt->GetTracePhysVals(
BCtoTraceID[cnt], Bc,
coordVelElmt, coordVelBnd);
// Apply correction
Vmath::Vadd(Bc->GetTotPoints(),
coordVelBnd, 1,
Vals, 1, Vals, 1);
}
}
}
else // setting if m!=n
{ {
cnt += exp_size; // Get coordinate velocity on boundary
Array<OneD, NekDouble> coordVelBnd(BndExp[n]->GetTotPoints());
m_fields[i]->ExtractPhysToBnd(n, coordVel[i], coordVelBnd);
// Apply correction
Vmath::Vadd(BndExp[n]->GetTotPoints(),
coordVelBnd, 1,
BndExp[n]->UpdatePhys(), 1,
BndExp[n]->UpdatePhys(), 1);
} }
} }
} }
...@@ -1256,12 +1206,16 @@ void Mapping::v_UpdateBCs( const NekDouble time) ...@@ -1256,12 +1206,16 @@ void Mapping::v_UpdateBCs( const NekDouble time)
if ( BndConds[n]->GetBoundaryConditionType() == if ( BndConds[n]->GetBoundaryConditionType() ==
SpatialDomains::eDirichlet) SpatialDomains::eDirichlet)
{ {
BndExp[n]->FwdTrans_BndConstrained(BndExp[n]->GetPhys(), if( BndConds[n]->GetUserDefined() =="" ||
BndExp[n]->UpdateCoeffs()); BndConds[n]->GetUserDefined() =="MovingBody")
if (m_fields[i]->GetExpType() == MultiRegions::e3DH1D)
{ {
BndExp[n]->HomogeneousFwdTrans(BndExp[n]->GetCoeffs(), BndExp[n]->FwdTrans_BndConstrained(BndExp[n]->GetPhys(),
BndExp[n]->UpdateCoeffs()); BndExp[n]->UpdateCoeffs());
if (m_fields[i]->GetExpType() == MultiRegions::e3DH1D)
{
BndExp[n]->HomogeneousFwdTrans(BndExp[n]->GetCoeffs(),
BndExp[n]->UpdateCoeffs());
}
} }
} }
} }
......
library/MultiRegions/DisContField2D.cpp
View file @ cfed59c8
...@@ -2350,22 +2350,6 @@ namespace Nektar ...@@ -2350,22 +2350,6 @@ namespace Nektar
ASSERTL0(false, "This type of BC not implemented yet"); ASSERTL0(false, "This type of BC not implemented yet");
} }
} }
else if (boost::iequals(m_bndConditions[i]->GetUserDefined(),
"MovingBody"))
{
locExpList = m_bndCondExpansions[i];
if (m_bndConditions[i]->GetBoundaryConditionType()
== SpatialDomains::eDirichlet)
{
locExpList->FwdTrans_IterPerExp(
locExpList->GetPhys(),
locExpList->UpdateCoeffs());
}
else
{
ASSERTL0(false, "This type of BC not implemented yet");
}
}
} }
} }
} // end of namespace } // end of namespace
......
library/MultiRegions/DisContField3DHomogeneous1D.cpp
View file @ cfed59c8
...@@ -251,9 +251,7 @@ namespace Nektar ...@@ -251,9 +251,7 @@ namespace Nektar
for (n = 0; n < m_bndCondExpansions.num_elements(); ++n) for (n = 0; n < m_bndCondExpansions.num_elements(); ++n)
{ {
if (time == 0.0 || if (time == 0.0 ||
m_bndConditions[n]->IsTimeDependent() || m_bndConditions[n]->IsTimeDependent() )
boost::iequals(m_bndConditions[n]->GetUserDefined(),
"MovingBody"))
{ {
m_bndCondExpansions[n]->HomogeneousFwdTrans( m_bndCondExpansions[n]->HomogeneousFwdTrans(
m_bndCondExpansions[n]->GetCoeffs(), m_bndCondExpansions[n]->GetCoeffs(),
......
solvers/IncNavierStokesSolver/EquationSystems/Extrapolate.cpp
View file @ cfed59c8
...@@ -587,6 +587,8 @@ namespace Nektar ...@@ -587,6 +587,8 @@ namespace Nektar
{ {
velbc[i] = Array<OneD, NekDouble> velbc[i] = Array<OneD, NekDouble>
(VelBndExp[i][n]->GetTotPoints(), 0.0); (VelBndExp[i][n]->GetTotPoints(), 0.0);
VelBndExp[i][n]->SetWaveSpace(
m_fields[m_velocity[i]]->GetWaveSpace());
VelBndExp[i][n]->BwdTrans(VelBndExp[i][n]->GetCoeffs(), VelBndExp[i][n]->BwdTrans(VelBndExp[i][n]->GetCoeffs(),
velbc[i]); velbc[i]);
} }
......
solvers/IncNavierStokesSolver/Tests/CylFlow_MovBody.tst
View file @ cfed59c8
...@@ -7,25 +7,17 @@ ...@@ -7,25 +7,17 @@
<file description="Session File">CylFlow_MovBody.xml</file> <file description="Session File">CylFlow_MovBody.xml</file>
</files> </files>
<metrics> <metrics>
L 2 error (variable u) : 55.4979
L inf error (variable u) : 1.44442
L 2 error (variable v) : 3.73646
L inf error (variable v) : 0.670941
L 2 error (variable w) : 0.00651794
L inf error (variable w) : 0.00445146
L 2 error (variable p) : 167.909
L inf error (variable p) : 5.6965
<metric type="L2" id="1"> <metric type="L2" id="1">
<value variable="u" tolerance="1e-12">55.4979</value> <value variable="u" tolerance="1e-12">55.4979</value>
<value variable="v" tolerance="1e-12">3.73646</value> <value variable="v" tolerance="1e-12">3.73646</value>
<value variable="w" tolerance="1e-12">0.00651794</value> <value variable="w" tolerance="1e-12">0.00651852</value>
<value variable="p" tolerance="1e-12">167.909</value> <value variable="p" tolerance="1e-12">167.909</value>
</metric> </metric>
<metric type="Linf" id="2"> <metric type="Linf" id="2">
<value variable="u" tolerance="1e-12">1.44442</value> <value variable="u" tolerance="1e-12">1.44442</value>
<value variable="v" tolerance="1e-12">0.670941</value> <value variable="v" tolerance="1e-12">0.670929</value>
<value variable="w" tolerance="1e-12">0.00445146</value> <value variable="w" tolerance="1e-12">0.00444785</value>
<value variable="p" tolerance="1e-12">5.6965</value> <value variable="p" tolerance="1e-12">5.69645</value>
</metric> </metric>
</metrics> </metrics>
</test> </test>
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