From 6a43d4f029093703c1a249cca4099cf01ffbe83f Mon Sep 17 00:00:00 2001
From: schoen <schoen@irmb.tu-bs.de>
Date: Fri, 18 Jun 2021 11:04:06 +0200
Subject: [PATCH] add new app
---
apps/gpu/LBM/WTG_RUB/WTG_RUB.cpp | 123 +++++++++++++++++++++++++++++--
gpu.cmake | 2 +-
2 files changed, 118 insertions(+), 7 deletions(-)
diff --git a/apps/gpu/LBM/WTG_RUB/WTG_RUB.cpp b/apps/gpu/LBM/WTG_RUB/WTG_RUB.cpp
index 12bc850bc..2528cd00a 100644
--- a/apps/gpu/LBM/WTG_RUB/WTG_RUB.cpp
+++ b/apps/gpu/LBM/WTG_RUB/WTG_RUB.cpp
@@ -28,6 +28,7 @@
#include "GridGenerator/grid/GridBuilder/LevelGridBuilder.h"
#include "GridGenerator/grid/GridBuilder/MultipleGridBuilder.h"
#include "GridGenerator/grid/BoundaryConditions/Side.h"
+#include "GridGenerator/grid/BoundaryConditions/BoundaryCondition.h"
#include "GridGenerator/grid/GridFactory.h"
#include "GridGenerator/geometries/TriangularMesh/TriangularMesh.h"
#include "GridGenerator/geometries/Conglomerate/Conglomerate.h"
@@ -67,26 +68,24 @@ LbmOrGks lbmOrGks = LBM;
const real L = 1.0;
-const real Re = 500.0;// 1000.0;
-
const real velocity = 1.0;
int variant = 1;
real rotationOfCity;
real z_offset = 0.0; // only if baseplate is in use (currently not!! not important)
+int dataN;
+std::vector<real> dataZ;
+std::vector<real> dataVelocity;
+std::string simulationName("");
// 1: original setup of Lennard Lux (6 level, 4.0 cm -> 1.25 mm)
// 2: setup 1 of MSch (4 level, 1.0 cm -> 1.25 mm)
// 3: setup 2 of MSch (5 level, 1.6 cm -> 1.0 mm)
int setupDomain = 3;
-
-
std::string path("D:/out/WTG_RUB"); //Mollok
std::string inputPath("D:/out/WTG_RUB/input/");
-std::string simulationName("RUB");
-
const uint timeStepStartOut = 0;
const uint timeStepOut = 10000;
const uint timeStepEnd = 100000;
@@ -96,6 +95,8 @@ const uint timeStepEnd = 100000;
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void addFineGrids(SPtr<MultipleGridBuilder> gridBuilder, uint &maxLevel, real &rotationOfCity);
+void readVelocityProfile();
+
std::string chooseVariation();
void multipleLevel(const std::string& configPath)
@@ -149,6 +150,26 @@ void multipleLevel(const std::string& configPath)
TriangularMesh *RubSTL = TriangularMesh::make(inputPath + "stl/" + chooseVariation() + ".stl");
// vector<real> originOfCityXY = { 600.0, y_max / 2, z_offset };
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ // OPTIONS
+
+ int maxLevelAtInflow = maxLevel;
+ // there are max. 3 levels (0,1,2) at inflow-/x_min-Side if maxLevel >= 3; OTHERWISE: maxLevel
+ if (maxLevel >= 3)
+ maxLevelAtInflow = 2;
+
+ // MeasurePoints [MP01-15: lvl maxLevel],[MP16-41: lvl 1]; disable when reducing numberOfLevels --> dx might be too
+ // large if MP01-15 are used with low resolution dx, MPs might be placed in solid City-geometry
+ bool useMP = true;
+ bool measureVeloProfilesOnly = false;
+
+ // Two Components: true->DiffOn, false->DiffOff
+ bool diffOnOff = false;
+
+ // Resetting diff or flow field, e.g. after restart, do not reset diff/flow at start of measureRun ;-)
+ bool reset_diff = true;
+ bool reset_flow = true;
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
gridBuilder->addCoarseGrid(x_min, y_min, z_min,
x_max, y_max, z_max, dx);
@@ -225,6 +246,67 @@ void multipleLevel(const std::string& configPath)
gridBuilder->setPressureBoundaryCondition(SideType::PX, 0.0);
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+ readVelocityProfile();
+ for (int level = 0; level <= maxLevelAtInflow; level++) {
+ auto inflowBC = std::dynamic_pointer_cast<VelocityBoundaryCondition>(
+ gridBuilder->getBoundaryCondition(SideType::MX, level));
+
+ // lambda function [capture list](parameter list){function body}
+ // for every z, loop is being run;
+ if (inflowBC) {
+ inflowBC->setVelocityProfile(
+ gridBuilder->getGrid(level), [&](real x, real y, real z, real &vx, real &vy, real &vz) {
+ int i;
+ for (i = 0; i < dataN; i++) {
+ if ((z < dataZ[i]) || (z == dataZ[i]))
+ break;
+ } // remembers i
+
+ // if z is below current data point --> interpolation between previous and current datapoint
+ if (z < dataZ[i]) {
+ vx = velocityLB * (dataVelocity[i] + (dataVelocity[i + 1] - dataVelocity[i]) /
+ (dataZ[i + 1] - dataZ[i]) * (z - dataZ[i]));
+ } else if (z == dataZ[i]) {
+ vx = velocityLB * dataVelocity[i];
+ }
+
+ // vx << std::endl; vx = velocityLB;
+ vy = 0.0;
+ vz = 0.0;
+ });
+ }
+ }
+
+ // Resetting Velocity Profile (returning to intial state; do not combine with restart)
+ if (reset_flow) {
+ para->setInitialCondition([&](real x, real y, real z, real &rho, real &vx, real &vy, real &vz) {
+ int i;
+ for (i = 0; i < dataN; i++) {
+ if ((z < dataZ[i]) || (z == dataZ[i]))
+ break;
+ }
+ if (z < dataZ[i]) {
+ vx = velocityLB * 0.588 *
+ (dataVelocity[i] +
+ (dataVelocity[i + 1] - dataVelocity[i]) / (dataZ[i + 1] - dataZ[i]) * (z - dataZ[i]));
+ } else if (z == dataZ[i]) {
+ vx = velocityLB * 0.588 * dataVelocity[i];
+ }
+
+ // std::cout << "LINE : " << __LINE__ << "\tdataZ = " << dataZ[i] << "\tz = " << z << "\tvx = " << vx <<
+ // std::endl;
+
+ // vx = velocityLB;
+ vy = 0.0;
+ vz = 0.0;
+ rho = 0.0;
+ });
+ }
+
+
+
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
SPtr<CudaMemoryManager> cudaMemoryManager = CudaMemoryManager::make(para);
@@ -242,6 +324,35 @@ void multipleLevel(const std::string& configPath)
}
+void readVelocityProfile()
+{
+ // reads velocityProfile.txt, containing values for relative velocity (u_h) in relation to height (z). also fills
+ // dataZ,dataVelocity vectors
+
+ std::ifstream inFile;
+ inFile.open(inputPath + "VeloProfile.txt");
+ //inFile.open(inputPath + "velocityProfile.txt");
+
+ if (inFile.fail()) {
+ std::cerr << "Error opening File" << std::endl;
+ exit(1);
+ }
+
+ int z;
+ real velocity;
+
+ // read
+ inFile >> dataN;
+ for (int k = 0; k < dataN; k++) {
+ inFile >> z;
+ dataZ.push_back(z + z_offset);
+
+ inFile >> velocity;
+ dataVelocity.push_back(velocity);
+ }
+ inFile.close();
+}
+
void addFineGrids(SPtr<MultipleGridBuilder> gridBuilder, uint &maxLevel, real &rotationOfCity)
{
if (setupDomain == 1) {
diff --git a/gpu.cmake b/gpu.cmake
index 5e795cf3c..47b820dfa 100644
--- a/gpu.cmake
+++ b/gpu.cmake
@@ -40,7 +40,7 @@ IF (BUILD_VF_GPU)
#add_subdirectory(targets/apps/LBM/BaselMultiGPU)
add_subdirectory(apps/gpu/LBM/DrivenCavity)
- #add_subdirectory(apps/gpu/LBM/WTG_RUB)
+ add_subdirectory(apps/gpu/LBM/WTG_RUB)
#add_subdirectory(apps/gpu/LBM/gridGeneratorTest)
#add_subdirectory(apps/gpu/LBM/TGV_3D)
#add_subdirectory(apps/gpu/LBM/TGV_3D_MultiGPU)
--
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