From 8a2992826d153618765e8c406962c3dddd6cdbcd Mon Sep 17 00:00:00 2001
From: Konstantin Kutscher <kutscher@irmb.tu-bs.de>
Date: Tue, 29 Jan 2019 16:37:39 +0100
Subject: [PATCH] add pressure correction with Laplace operator
---
source/Applications/ConvectionOfVortex/cov.cpp | 17 +++++++++--------
source/Applications/VirtualFluids.h | 1 +
.../CompressibleOffsetInterpolationProcessor.h | 1 -
...ssibleOffsetMomentsInterpolationProcessor.h | 1 -
...setSquarePressureInterpolationProcessor.cpp | 18 ++++++++++++++----
...ffsetSquarePressureInterpolationProcessor.h | 1 -
6 files changed, 24 insertions(+), 15 deletions(-)
diff --git a/source/Applications/ConvectionOfVortex/cov.cpp b/source/Applications/ConvectionOfVortex/cov.cpp
index 37e66708c..a98b48f17 100644
--- a/source/Applications/ConvectionOfVortex/cov.cpp
+++ b/source/Applications/ConvectionOfVortex/cov.cpp
@@ -21,7 +21,7 @@ void run()
//////////////////////////////////////////////////////////////////////////
//DLR-F16 test
//dx_coarse = 0.003 mm
- //string pathname = "d:/temp/ConvectionOfVortex_0.003";
+ //string pathname = "d:/temp/ConvectionOfVortex_0.003_square";
//int endTime = 20;
//double outTime = 10;
//LBMReal dx = 0.003;
@@ -38,8 +38,8 @@ void run()
////////////////////////////////////////////////////////////////////////////
//dx_coarse = 0.00075 mm
string pathname = "d:/temp/ConvectionOfVortex_0.00075_moments";
- double endTime = 80;
- double outTime = 80;
+ double endTime = 160;
+ double outTime = 160;
LBMReal dx = 0.00075;
LBMReal rhoLB = 0.0;
LBMReal nuLB = 8.66025e-6*4.0;
@@ -115,6 +115,7 @@ void run()
//SPtr<InterpolationProcessor> iProcessor(new CompressibleOffsetInterpolationProcessor());
SPtr<InterpolationProcessor> iProcessor(new CompressibleOffsetMomentsInterpolationProcessor());
//dynamicPointerCast<CompressibleOffsetMomentsInterpolationProcessor>(iProcessor)->setBulkOmegaToOmega(true);
+ //SPtr<InterpolationProcessor> iProcessor(new CompressibleOffsetSquarePressureInterpolationProcessor());
SetConnectorsBlockVisitor setConnsVisitor(comm, true, D3Q27System::ENDDIR, nuLB, iProcessor);
UBLOG(logINFO, "SetConnectorsBlockVisitor:start");
@@ -226,16 +227,16 @@ void run()
SPtr<UbScheduler> nupsSch(new UbScheduler(10, 30, 100));
std::shared_ptr<NUPSCounterCoProcessor> nupsCoProcessor(new NUPSCounterCoProcessor(grid, nupsSch, numOfThreads, comm));
- SPtr<UbScheduler> tavSch(new UbScheduler(1, 0, endTime));
- SPtr<TimeAveragedValuesCoProcessor> tav(new TimeAveragedValuesCoProcessor(grid, pathname, WbWriterVtkXmlBinary::getInstance(), tavSch, comm,
- TimeAveragedValuesCoProcessor::Density | TimeAveragedValuesCoProcessor::Velocity | TimeAveragedValuesCoProcessor::Fluctuations));
- tav->setWithGhostLayer(true);
+ //SPtr<UbScheduler> tavSch(new UbScheduler(1, 0, endTime));
+ //SPtr<TimeAveragedValuesCoProcessor> tav(new TimeAveragedValuesCoProcessor(grid, pathname, WbWriterVtkXmlBinary::getInstance(), tavSch, comm,
+ // TimeAveragedValuesCoProcessor::Density | TimeAveragedValuesCoProcessor::Velocity | TimeAveragedValuesCoProcessor::Fluctuations));
+ //tav->setWithGhostLayer(true);
SPtr<UbScheduler> stepGhostLayer(new UbScheduler(1));
SPtr<Calculator> calculator(new BasicCalculator(grid, stepGhostLayer, endTime));
calculator->addCoProcessor(nupsCoProcessor);
calculator->addCoProcessor(writeMQCoProcessor);
- calculator->addCoProcessor(tav);
+ //calculator->addCoProcessor(tav);
//omp_set_num_threads(1);
diff --git a/source/Applications/VirtualFluids.h b/source/Applications/VirtualFluids.h
index 95a3197ee..580b342a6 100644
--- a/source/Applications/VirtualFluids.h
+++ b/source/Applications/VirtualFluids.h
@@ -174,6 +174,7 @@
#include <LBM/IncompressibleOffsetInterpolationProcessor.h>
#include <LBM/CompressibleOffsetInterpolationProcessor.h>
#include <LBM/CompressibleOffsetMomentsInterpolationProcessor.h>
+#include <LBM/CompressibleOffsetSquarePressureInterpolationProcessor.h>
#include <LBM/InterpolationHelper.h>
#include <LBM/InterpolationProcessor.h>
//#include <LBM/D3Q27OffsetInterpolationProcessor.h>
diff --git a/source/VirtualFluidsCore/LBM/CompressibleOffsetInterpolationProcessor.h b/source/VirtualFluidsCore/LBM/CompressibleOffsetInterpolationProcessor.h
index d0dd40c30..2f3da5f03 100644
--- a/source/VirtualFluidsCore/LBM/CompressibleOffsetInterpolationProcessor.h
+++ b/source/VirtualFluidsCore/LBM/CompressibleOffsetInterpolationProcessor.h
@@ -10,7 +10,6 @@
//////////////////////////////////////////////////////////////////////////
class CompressibleOffsetInterpolationProcessor;
-typedef SPtr<CompressibleOffsetInterpolationProcessor> CompressibleOffsetInterpolationProcessorPtr;
class CompressibleOffsetInterpolationProcessor : public InterpolationProcessor
{
diff --git a/source/VirtualFluidsCore/LBM/CompressibleOffsetMomentsInterpolationProcessor.h b/source/VirtualFluidsCore/LBM/CompressibleOffsetMomentsInterpolationProcessor.h
index b27e78663..f9876cf54 100644
--- a/source/VirtualFluidsCore/LBM/CompressibleOffsetMomentsInterpolationProcessor.h
+++ b/source/VirtualFluidsCore/LBM/CompressibleOffsetMomentsInterpolationProcessor.h
@@ -10,7 +10,6 @@
//////////////////////////////////////////////////////////////////////////
class CompressibleOffsetMomentsInterpolationProcessor;
-typedef SPtr<CompressibleOffsetMomentsInterpolationProcessor> CompressibleOffsetMomentsInterpolationProcessorPtr;
class CompressibleOffsetMomentsInterpolationProcessor : public InterpolationProcessor
{
diff --git a/source/VirtualFluidsCore/LBM/CompressibleOffsetSquarePressureInterpolationProcessor.cpp b/source/VirtualFluidsCore/LBM/CompressibleOffsetSquarePressureInterpolationProcessor.cpp
index f272b5676..44be4234f 100644
--- a/source/VirtualFluidsCore/LBM/CompressibleOffsetSquarePressureInterpolationProcessor.cpp
+++ b/source/VirtualFluidsCore/LBM/CompressibleOffsetSquarePressureInterpolationProcessor.cpp
@@ -485,6 +485,11 @@ void CompressibleOffsetSquarePressureInterpolationProcessor::calcInterpolatedNod
LBMReal oP = OxxPyyPzzF;
LBMReal rho = press ;//+ (2.*axx*x+axy*y+axz*z+axyz*y*z+ax + 2.*byy*y+bxy*x+byz*z+bxyz*x*z+by + 2.*czz*z+cxz*x+cyz*y+cxyz*x*y+cz)/3.;
+
+ LBMReal laplaceRho = (xoff!=0.0 || yoff!=0.0 || zoff!= 0.0) ? 0.0 :(-3.0*(by*by+ax*ax+cz*cz)-6.0*(ay*bx+bz*cy+az*cx))*(1.0+rho);
+
+ rho=rho+laplaceRho*(3.0/16.0);
+
LBMReal vx1 = a0 + 0.25*( xs*ax + ys*ay + zs*az) + 0.0625*(axx + xs*ys*axy + xs*zs*axz + ayy + ys*zs*ayz + azz) + 0.015625*(xs*ys*zs*axyz);
LBMReal vx2 = b0 + 0.25*( xs*bx + ys*by + zs*bz) + 0.0625*(bxx + xs*ys*bxy + xs*zs*bxz + byy + ys*zs*byz + bzz) + 0.015625*(xs*ys*zs*bxyz);
LBMReal vx3 = c0 + 0.25*( xs*cx + ys*cy + zs*cz) + 0.0625*(cxx + xs*ys*cxy + xs*zs*cxz + cyy + ys*zs*cyz + czz) + 0.015625*(xs*ys*zs*cxyz);
@@ -517,7 +522,7 @@ void CompressibleOffsetSquarePressureInterpolationProcessor::calcInterpolatedNod
LBMReal mfcaa = zeroReal;
LBMReal mfaca = zeroReal;
- mfaaa = press; // if drho is interpolated directly
+ mfaaa = rho; // if drho is interpolated directly
LBMReal vx1Sq = vx1*vx1;
LBMReal vx2Sq = vx2*vx2;
@@ -926,10 +931,15 @@ void CompressibleOffsetSquarePressureInterpolationProcessor::calcInterpolatedNod
LBMReal vx1 = a0;
LBMReal vx2 = b0;
LBMReal vx3 = c0;
-
+
+
LBMReal rho = press ;//+ (ax+by+cz)/3.;
- LBMReal eps_new = 2.;
+ LBMReal laplaceRho = (xoff!=0.0 || yoff!=0.0 || zoff!= 0.0) ? 0.0 :(-3.0*(by*by+ax*ax+cz*cz)-6.0*(ay*bx+bz*cy+az*cx))*(1.0+rho);
+
+ rho=rho-laplaceRho*0.25;
+
+ LBMReal eps_new = 2.0;
LBMReal o = omega;
//bulk viscosity
LBMReal oP = OxxPyyPzzC;
@@ -962,7 +972,7 @@ void CompressibleOffsetSquarePressureInterpolationProcessor::calcInterpolatedNod
LBMReal mfcaa = zeroReal;
LBMReal mfaca = zeroReal;
- mfaaa = press; // if drho is interpolated directly
+ mfaaa = rho; // if drho is interpolated directly
LBMReal vx1Sq = vx1*vx1;
LBMReal vx2Sq = vx2*vx2;
diff --git a/source/VirtualFluidsCore/LBM/CompressibleOffsetSquarePressureInterpolationProcessor.h b/source/VirtualFluidsCore/LBM/CompressibleOffsetSquarePressureInterpolationProcessor.h
index 21f88accb..48aed6665 100644
--- a/source/VirtualFluidsCore/LBM/CompressibleOffsetSquarePressureInterpolationProcessor.h
+++ b/source/VirtualFluidsCore/LBM/CompressibleOffsetSquarePressureInterpolationProcessor.h
@@ -10,7 +10,6 @@
//////////////////////////////////////////////////////////////////////////
class CompressibleOffsetSquarePressureInterpolationProcessor;
-typedef SPtr<CompressibleOffsetSquarePressureInterpolationProcessor> CompressibleOffsetMomentsInterpolationProcessorPtr;
class CompressibleOffsetSquarePressureInterpolationProcessor : public InterpolationProcessor
{
--
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