Skip to content

GitLab

Commit c976e139 authored by Chris Cantwell's avatar Chris Cantwell
Browse files

Merge branch 'fix/Mapping' into 'master' 

Fix time-integration for VCSMapping

This fixes some inconsistencies in VCSMapping which prevented it from achieving 2nd order accuracy in time.

See merge request !687
parents 0de34198 aa9bcb1d
Hide whitespace changes
Inline Side-by-side
CHANGELOG.md
View file @ c976e139
......@@ -65,6 +65,9 @@ v4.3.4
- Fix compilation with NEKTAR_USE_MESHGEN option
- Fix IterativeFull solver in parallel (!685)
**IncNavierStokesSolver:**
- Fix 2nd order time-integration for VCSMapping (!687)
v4.3.3
------
**Library**:
......
solvers/IncNavierStokesSolver/EquationSystems/StandardExtrapolate.cpp
View file @ c976e139
......@@ -75,10 +75,9 @@ namespace Nektar
const Array<OneD, const Array<OneD, NekDouble> > &N,
NekDouble kinvis)
{
m_pressureCalls++;
if(m_HBCdata.num_elements()>0)
{
m_pressureCalls++;
// Rotate HOPBCs storage
RollOver(m_pressureHBCs);
......
solvers/IncNavierStokesSolver/EquationSystems/VCSMapping.cpp
View file @ c976e139
......@@ -190,18 +190,6 @@ namespace Nektar
Array<OneD, Array<OneD, NekDouble> > &outarray,
const NekDouble time)
{
// Update mapping and Deal with Dirichlet boundary conditions
if (m_mapping->IsTimeDependent())
{
if (m_mapping->IsFromFunction())
{
// If the transformation is explicitly defined, update it here
// Otherwise, it will be done somewhere else (ForcingMovingBody)
m_mapping->UpdateMapping(time);
}
m_mapping->UpdateBCs(time);
}
EvaluateAdvectionTerms(inarray, outarray);
// Smooth advection
......@@ -221,10 +209,22 @@ namespace Nektar
}
// Add mapping terms
ApplyIncNSMappingForcing( outarray );
ApplyIncNSMappingForcing( inarray, outarray);
// Calculate High-Order pressure boundary conditions
m_extrapolation->EvaluatePressureBCs(inarray,outarray,m_kinvis);
// Update mapping and deal with Dirichlet boundary conditions
if (m_mapping->IsTimeDependent())
{
if (m_mapping->IsFromFunction())
{
// If the transformation is explicitly defined, update it here
// Otherwise, it will be done somewhere else (ForcingMovingBody)
m_mapping->UpdateMapping(time+m_timestep);
}
m_mapping->UpdateBCs(time+m_timestep);
}
}
......@@ -739,7 +739,8 @@ namespace Nektar
* Explicit terms of the mapping
*/
void VCSMapping::ApplyIncNSMappingForcing(
Array<OneD, Array<OneD, NekDouble> > &outarray)
const Array<OneD, const Array<OneD, NekDouble> > &inarray,
Array<OneD, Array<OneD, NekDouble> > &outarray)
{
int physTot = m_fields[0]->GetTotPoints();
Array<OneD, Array<OneD, NekDouble> > vel(m_nConvectiveFields);
......@@ -758,7 +759,7 @@ namespace Nektar
{
for (int i = 0; i < m_nConvectiveFields; ++i)
{
vel[i] = m_fields[i]->GetPhys();
vel[i] = inarray[i];
m_fields[0]->HomogeneousBwdTrans(vel[i],velPhys[i]);
}
}
......@@ -766,8 +767,8 @@ namespace Nektar
{
for (int i = 0; i < m_nConvectiveFields; ++i)
{
vel[i] = m_fields[i]->GetPhys();
Vmath::Vcopy(physTot, m_fields[i]->GetPhys(), 1, velPhys[i], 1);
vel[i] = inarray[i];
Vmath::Vcopy(physTot, inarray[i], 1, velPhys[i], 1);
}
}
......@@ -821,7 +822,7 @@ namespace Nektar
}
void VCSMapping::MappingAdvectionCorrection(
const Array<OneD, Array<OneD, NekDouble> > &velPhys,
const Array<OneD, const Array<OneD, NekDouble> > &velPhys,
Array<OneD, Array<OneD, NekDouble> > &outarray)
{
int physTot = m_fields[0]->GetTotPoints();
......@@ -846,8 +847,8 @@ namespace Nektar
}
void VCSMapping::MappingAccelerationCorrection(
const Array<OneD, Array<OneD, NekDouble> > &vel,
const Array<OneD, Array<OneD, NekDouble> > &velPhys,
const Array<OneD, const Array<OneD, NekDouble> > &vel,
const Array<OneD, const Array<OneD, NekDouble> > &velPhys,
Array<OneD, Array<OneD, NekDouble> > &outarray)
{
int physTot = m_fields[0]->GetTotPoints();
......@@ -952,7 +953,7 @@ namespace Nektar
}
void VCSMapping::MappingViscousCorrection(
const Array<OneD, Array<OneD, NekDouble> > &velPhys,
const Array<OneD, const Array<OneD, NekDouble> > &velPhys,
Array<OneD, Array<OneD, NekDouble> > &outarray)
{
// L(U) - 1.0*d^2(u^i)/dx^jdx^j
......
solvers/IncNavierStokesSolver/EquationSystems/VCSMapping.h
View file @ c976e139
......@@ -64,6 +64,7 @@ namespace Nektar
//
void ApplyIncNSMappingForcing (
const Array<OneD, const Array<OneD, NekDouble> > &inarray,
Array<OneD, Array<OneD, NekDouble> > &outarray);
virtual ~VCSMapping();
......@@ -123,7 +124,7 @@ namespace Nektar
// Correction needed for convective terms = N(u) - ( -(u \nabla) u)
// velPhys is the velocity field (transformed for physical space)
void MappingAdvectionCorrection(
const Array<OneD, Array<OneD, NekDouble> > &velPhys,
const Array<OneD, const Array<OneD, NekDouble> > &velPhys,
Array<OneD, Array<OneD, NekDouble> > &outarray);
// Correction needed for time-derivative terms
......@@ -131,8 +132,8 @@ namespace Nektar
// vel is the velocity field (can be in wavespace)
// velPhys is the velocity field (transformed for physical space)
void MappingAccelerationCorrection(
const Array<OneD, Array<OneD, NekDouble> > &vel,
const Array<OneD, Array<OneD, NekDouble> > &velPhys,
const Array<OneD, const Array<OneD, NekDouble> > &vel,
const Array<OneD, const Array<OneD, NekDouble> > &velPhys,
Array<OneD, Array<OneD, NekDouble> > &outarray);
// Correction needed for pressure terms
......@@ -146,7 +147,7 @@ namespace Nektar
// vel is the velocity field (can be in wavespace)
// velPhys is the velocity field (transformed for physical space)
void MappingViscousCorrection(
const Array<OneD, Array<OneD, NekDouble> > &velPhys,
const Array<OneD, const Array<OneD, NekDouble> > &velPhys,
Array<OneD, Array<OneD, NekDouble> > &outarray);
};
......
solvers/IncNavierStokesSolver/Tests/CylFlow_MovBody.tst
View file @ c976e139
......@@ -10,14 +10,14 @@
<metric type="L2" id="1">
<value variable="u" tolerance="1e-12">55.4979</value>
<value variable="v" tolerance="1e-12">3.73646</value>
<value variable="w" tolerance="1e-12">0.00651591</value>
<value variable="w" tolerance="1e-12">0.00651985</value>
<value variable="p" tolerance="1e-12">167.909</value>
</metric>
<metric type="Linf" id="2">
<value variable="u" tolerance="1e-12">1.44442</value>
<value variable="v" tolerance="1e-12">0.670956</value>
<value variable="w" tolerance="1e-12">0.00447361</value>
<value variable="p" tolerance="1e-12">5.69646</value>
<value variable="v" tolerance="1e-12">0.67092</value>
<value variable="w" tolerance="1e-12">0.00443747</value>
<value variable="p" tolerance="1e-12">5.69644</value>
</metric>
</metrics>
</test>
solvers/IncNavierStokesSolver/Tests/CylFlow_Mov_mapping.tst
View file @ c976e139
......@@ -9,13 +9,13 @@
<metrics>
<metric type="L2" id="1">
<value variable="u" tolerance="1e-9">21.4161</value>
<value variable="v" tolerance="1e-9">0.911317</value>
<value variable="p" tolerance="1e-9">1.42587</value>
<value variable="v" tolerance="1e-9">0.911345</value>
<value variable="p" tolerance="1e-9">1.4277</value>
</metric>
<metric type="Linf" id="2">
<value variable="u" tolerance="1e-9">1.87012</value>
<value variable="v" tolerance="1e-9">0.92044</value>
<value variable="p" tolerance="1e-9">1.76508</value>
<value variable="u" tolerance="1e-9">1.87024</value>
<value variable="v" tolerance="1e-9">0.920436</value>
<value variable="p" tolerance="1e-9">1.76557</value>
</metric>
</metrics>
</test>
......
solvers/IncNavierStokesSolver/Tests/KovaFlow_3DH1D_P8_16modes_Mapping-explicit.tst
View file @ c976e139
......@@ -17,7 +17,7 @@
<value variable="u" tolerance="1e-9">1.64559e-05</value>
<value variable="v" tolerance="1e-9">2.01086e-07</value>
<value variable="w" tolerance="1e-9">3.48699e-07</value>
<value variable="p" tolerance="1e-9">8.00656e-06</value>
<value variable="p" tolerance="1e-9">8.01151e-06</value>
</metric>
</metrics>
</test>
solvers/IncNavierStokesSolver/Tests/KovaFlow_3DH1D_adaptive_16modes_FFTW_Mapping.tst
View file @ c976e139
......@@ -8,16 +8,16 @@
</files>
<metrics>
<metric type="L2" id="1">
<value variable="u" tolerance="1e-9">4.33062e-05</value>
<value variable="v" tolerance="1e-9">1.16121e-05</value>
<value variable="w" tolerance="1e-9">1.29819e-05</value>
<value variable="p" tolerance="1e-9">0.000260747</value>
<value variable="u" tolerance="1e-9">4.33081e-05</value>
<value variable="v" tolerance="1e-9">1.16106e-05</value>
<value variable="w" tolerance="1e-9">1.29757e-05</value>
<value variable="p" tolerance="1e-9">0.000260725</value>
</metric>
<metric type="Linf" id="2">
<value variable="u" tolerance="1e-9">8.96493e-05</value>
<value variable="v" tolerance="1e-9">2.47788e-05</value>
<value variable="w" tolerance="1e-9">2.85904e-05</value>
<value variable="p" tolerance="1e-9">0.000805358</value>
<value variable="u" tolerance="1e-9">8.9668e-05</value>
<value variable="v" tolerance="1e-9">2.47702e-05</value>
<value variable="w" tolerance="1e-9">2.86236e-05</value>
<value variable="p" tolerance="1e-9">0.000805455</value>
</metric>
</metrics>
</test>
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment