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ninjafoam.cpp
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/******************************************************************************
*
* $Id$
*
* Project: WindNinja
* Purpose: OpenFOAM interaction
* Author: Kyle Shannon <kyle at pobox dot com>
*
******************************************************************************
*
* THIS SOFTWARE WAS DEVELOPED AT THE ROCKY MOUNTAIN RESEARCH STATION (RMRS)
* MISSOULA FIRE SCIENCES LABORATORY BY EMPLOYEES OF THE FEDERAL GOVERNMENT
* IN THE COURSE OF THEIR OFFICIAL DUTIES. PURSUANT TO TITLE 17 SECTION 105
* OF THE UNITED STATES CODE, THIS SOFTWARE IS NOT SUBJECT TO COPYRIGHT
* PROTECTION AND IS IN THE PUBLIC DOMAIN. RMRS MISSOULA FIRE SCIENCES
* LABORATORY ASSUMES NO RESPONSIBILITY WHATSOEVER FOR ITS USE BY OTHER
* PARTIES, AND MAKES NO GUARANTEES, EXPRESSED OR IMPLIED, ABOUT ITS QUALITY,
* RELIABILITY, OR ANY OTHER CHARACTERISTIC.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*****************************************************************************/
#include "ninjafoam.h"
const char* NinjaFoam::pszFoamPath = NULL;
NinjaFoam::NinjaFoam() : ninja()
{
pszVrtMem = NULL;
pszGridFilename = NULL;
pszTurbulenceGridFilename = NULL;
boundary_name = "";
type = "";
value = "";
gammavalue = "";
pvalue = "";
inletoutletvalue = "";
template_ = "";
meshResolution = -1.0;
initialFirstCellHeight = -1.0;
oldFirstCellHeight = -1.0;
finalFirstCellHeight = -1.0;
latestTime = 0;
cellCount = 0;
nRoundsRefinement = 0;
simpleFoamEndTime = 1000; //initial value in controlDict_simpleFoam
startTotal = 0.0;
endTotal = 0.0;
startMesh = 0.0;
endMesh = 0.0;
startInit = 0.0;
endInit = 0.0;
startSolve = 0.0;
endSolve = 0.0;
startWriteOut = 0.0;
endWriteOut = 0.0;
startFoamFileWriting = 0.0;
endFoamFileWriting = 0.0;
startOutputSampling = 0.0;
endOutputSampling = 0.0;
startStlConversion = 0.0;
endStlConversion = 0.0;
}
/**
* Copy constructor.
* @param A Copied value.
*/
NinjaFoam::NinjaFoam(NinjaFoam const& A ) : ninja(A)
{
}
/**
* Equals operator.
* @param A Value to set equal to.
* @return a copy of an object
*/
NinjaFoam& NinjaFoam::operator= (NinjaFoam const& A)
{
if(&A != this) {
ninja::operator=(A);
}
return *this;
}
NinjaFoam::~NinjaFoam()
{
CPLFree( (void*)pszVrtMem );
CPLFree( (void*)pszGridFilename );
CPLFree( (void*)pszTurbulenceGridFilename );
}
void NinjaFoam::set_meshResolution(double resolution, lengthUnits::eLengthUnits units)
{
//set mesh resolution, always stored in meters
if(resolution<0.0)
throw std::range_error("Mesh resolution out of range in NinjaFoam::set_meshResolution().");
meshResolutionUnits = units;
lengthUnits::toBaseUnits(resolution, units);
meshResolution = resolution;
}
double NinjaFoam::get_meshResolution()
{
return meshResolution;
}
bool NinjaFoam::simulate_wind()
{
if(CSLTestBoolean(CPLGetConfigOption("WRITE_TURBULENCE", "FALSE")))
{
CPLDebug("NINJAFOAM", "Writing turbulence output...");
set_writeTurbulenceFlag("true");
}
#ifdef _OPENMP
startTotal = omp_get_wtime();
#endif
checkCancel();
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Reading elevation file...");
readInputFile();
set_position();
SetMeshResolutionAndResampleDem();
checkInputs();
/*
* if it's a domainAverageInitialization, set the boundary layer information
* which is needed for interpolation of the output wind to the user-requested
* output height
*/
if(input.initializationMethod == WindNinjaInputs::domainAverageInitializationFlag)
{
init.reset(initializationFactory::makeInitialization(input));
init->ninjaFoamInitializeFields(input, CloudGrid);
}
/*
* if it's a wxModelInitialization, get the average speed,
* direction, T, cloud cover from the wx model
*/
if(input.initializationMethod == WindNinjaInputs::wxModelInitializationFlag)
{
init.reset(initializationFactory::makeInitialization(input));
init->ninjaFoamInitializeFields(input, CloudGrid);
}
/*
* if it's a griddedInitialization, get the average speed and
* direction from the input grids
*/
if(input.initializationMethod == WindNinjaInputs::griddedInitializationFlag)
{
init.reset(initializationFactory::makeInitialization(input));
init->ninjaFoamInitializeFields(input, CloudGrid);
}
if(!input.ninjaTime.is_not_a_date_time())
{
std::ostringstream out;
out << "Simulation time is " << input.ninjaTime;
input.Com->ninjaCom(ninjaComClass::ninjaNone, out.str().c_str());
}
ComputeDirection(); //convert wind direction to unit vector notation
SetInlets();
SetBcs();
input.meshCount = atoi(CPLGetConfigOption("NINJAFOAM_MESH_COUNT", CPLSPrintf("%d",input.meshCount)));
input.nIterations = atoi(CPLGetConfigOption("NINJAFOAM_ITERATIONS", CPLSPrintf("%d",input.nIterations)));
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Run number %d started with %d threads.", input.inputsRunNumber, input.numberCPUs);
/*------------------------------------------*/
/* write OpenFOAM files */
/*------------------------------------------*/
CPLDebug("NINJAFOAM", "meshCount = %d", input.meshCount);
CPLDebug("NINJAFOAM", "Rd = %lf", input.surface.Rough_d(0,0));
CPLDebug("NINJAFOAM", "z0 = %lf", input.surface.Roughness(0,0));
CPLDebug("NINJAFOAM", "input wind height = %lf", input.inputWindHeight);
CPLDebug("NINJAFOAM", "input speed = %lf", input.inputSpeed);
CPLDebug("NINJAFOAM", "input direction = %lf", input.inputDirection);
CPLDebug("NINJAFOAM", "foam direction = (%lf, %lf, %lf)", direction[0], direction[1], direction[2]);
CPLDebug("NINJAFOAM", "number of inlets = %ld", inlets.size());
CPLDebug("NINJAFOAM", "Roughness = %f", input.surface.Roughness.get_meanValue());
CPLDebug("NINJAFOAM", "Rough_d = %f", input.surface.Rough_d.get_meanValue());
CPLDebug("NINJAFOAM", "Rough_h = %f", input.surface.Rough_h.get_meanValue());
CPLDebug("NINJAFOAM", "input.nIterations = %d", input.nIterations);
//if pszFoamPath is not valid, create a new case
if(!CheckForValidCaseDir(pszFoamPath)){
GenerateNewCase();
}
else{ //otherwise, we're just updating an existing case
UpdateExistingCase();
//the mesh is re-used so just re-set the meshing timers
#ifdef _OPENMP
startMesh = omp_get_wtime();
endMesh = omp_get_wtime();
#endif
}
/*-------------------------------------------------------------------*/
/* Apply initial conditions */
/*-------------------------------------------------------------------*/
#ifdef _OPENMP
startInit = omp_get_wtime();
#endif
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Applying initial conditions...");
ApplyInit();
checkCancel();
/*-------------------------------------------------------------------*/
/* Solve for the flow field */
/*-------------------------------------------------------------------*/
#ifdef _OPENMP
endInit = omp_get_wtime();
startSolve = omp_get_wtime();
#endif
if(input.numberCPUs > 1){
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Decomposing domain for parallel flow calculations...");
DecomposePar();
}
checkCancel();
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Solving for the flow field...");
int status = 0;
if(!SimpleFoam()){
if(input.existingCaseDirectory == "!set"){
//no coarsening if this is an existing case
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Error during simpleFoam(). Can't coarsen "
"mesh for existing case directory. Try again without using an existing case.");
return false;
}
//try solving with previous mesh iterations (less refinement)
while(latestTime > 50){
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Error during simpleFoam(). Coarsening mesh...");
CPLDebug("NINJAFOAM", "unlinking %s", CPLSPrintf( "%s/%d", pszFoamPath, latestTime ));
NinjaUnlinkTree( CPLSPrintf( "%s/%d", pszFoamPath, latestTime ) );
if(input.numberCPUs > 1){
for(int n=0; n<input.numberCPUs; n++){
NinjaUnlinkTree( CPLSPrintf( "%s/processor%d", pszFoamPath, n) );
}
}
latestTime -= 1;
meshResolution *= 2.0;
CPLDebug("NINJAFOAM", "stepping back to time = %d", latestTime);
/* update simpleFoam controlDict writeInterval */
UpdateSimpleFoamControlDict();
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Applying initial conditions...");
ApplyInit();
if(input.numberCPUs > 1){
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Decomposing domain for parallel flow calculations...");
DecomposePar();
}
status = SimpleFoam();
if(status == true){
break;
}
}
//if the solver fails with latestTime = 50 (moveDynamicMesh mesh), we're done
if( status == false & latestTime == 50 ){
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Error during simpleFoam(). The flow solution failed.");
return false;
}
}
CPLDebug("NINJAFOAM", "meshResolution= %f", meshResolution);
if(input.numberCPUs > 1){
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Reconstructing domain...");
ReconstructPar();
}
checkCancel();
/*-------------------------------------------------------------------*/
/* Sample at requested output height */
/*-------------------------------------------------------------------*/
#ifdef _OPENMP
endSolve = omp_get_wtime();
startOutputSampling = omp_get_wtime();
#endif
//Update the sampleDict interpolation scheme. If the the output wind height is not
//resolved (if we are sampling in the lowest cell), then we will use a log
//interpolation from the cell-center value in the lowest cell in the mesh. Otherwise,
//we use cellPoint for a linear interpolation.
std::string scheme;
if(CheckIfOutputWindHeightIsResolved()){
scheme = "cellPoint";
}
else{
scheme = "cell";
}
#ifdef WIN32
const char *pszInput = CPLFormFilename(pszFoamPath, "system/sampleDict", "");
const char *pszOutput = CPLFormFilename(pszFoamPath, "system/sampleDict", "");
#else
const char *pszInput = CPLFormFilename(pszFoamPath, "system/surfaces", "");
const char *pszOutput = CPLFormFilename(pszFoamPath, "system/surfaces", "");
#endif
CopyFile(pszInput, pszOutput, "$interpolationScheme$", scheme);
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Sampling at requested output height...");
//suppress libXML warnings
CPLPushErrorHandler(CPLQuietErrorHandler);
Sample();
SampleRawOutput();
CPLPopErrorHandler();
#ifdef _OPENMP
endOutputSampling = omp_get_wtime();
#endif
/*----------------------------------------*/
/* write output files */
/*----------------------------------------*/
#ifdef _OPENMP
startWriteOut = omp_get_wtime();
#endif
if(input.diurnalWinds == false){
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Writing output files...");
WriteOutputFiles();
}
#ifdef _OPENMP
endWriteOut = omp_get_wtime();
endTotal = omp_get_wtime();
#endif
/*----------------------------------------*/
/* wrap up */
/*----------------------------------------*/
#ifdef _OPENMP
input.Com->ninjaCom(ninjaComClass::ninjaNone, "File writing time was %lf seconds.", endFoamFileWriting-startFoamFileWriting);
input.Com->ninjaCom(ninjaComClass::ninjaNone, "STL conversion time was %lf seconds.", endStlConversion-startStlConversion);
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Meshing time was %lf seconds.",endMesh-startMesh);
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Initialization time was %lf seconds.",endInit-startInit);
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Solver time was %lf seconds.",endSolve-startSolve);
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Output sampling time was %lf seconds.", endOutputSampling-startOutputSampling);
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Output writing time was %lf seconds.",endWriteOut-startWriteOut);
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Total simulation time was %lf seconds.",endTotal-startTotal);
#endif
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Run number %d done!", input.inputsRunNumber);
if(!input.keepOutGridsInMemory && input.diurnalWinds == false)
{
CloudGrid.deallocate();
AngleGrid.deallocate();
VelocityGrid.deallocate();
TurbulenceGrid.deallocate();
}
if(input.diurnalWinds == true){
input.Com->ninjaCom(ninjaComClass::ninjaNone, "Adding diurnal winds...");
}
return true;
}
void NinjaFoam::AddBcBlock(std::string &dataString)
{
const char *pszPath = CPLGetConfigOption( "WINDNINJA_DATA", NULL );
const char *pszTemplateFile;
const char *pszPathToFile;
if(template_ == ""){
if(gammavalue != ""){
#ifdef WIN32
pszPathToFile = CPLSPrintf("ninjafoam/2.2.0/0/%s", "genericTypeVal.tmp");
#else
pszPathToFile = CPLSPrintf("ninjafoam/8/0/%s", "genericTypeVal.tmp");
#endif
}
else if(inletoutletvalue != ""){
#ifdef WIN32
pszPathToFile = CPLSPrintf("ninjafoam/2.2.0/0/%s", "genericType.tmp");
#else
pszPathToFile = CPLSPrintf("ninjafoam/8/0/%s", "genericType.tmp");
#endif
}
else{
#ifdef WIN32
pszPathToFile = CPLSPrintf("ninjafoam/2.2.0/0/%s", "genericType-kep.tmp");
#else
pszPathToFile = CPLSPrintf("ninjafoam/8/0/%s", "genericType-kep.tmp");
#endif
}
}
else{
#ifdef WIN32
pszPathToFile = CPLSPrintf("ninjafoam/2.2.0/0/%s", template_.c_str());
#else
pszPathToFile = CPLSPrintf("ninjafoam/8/0/%s", template_.c_str());
#endif
}
pszTemplateFile = CPLFormFilename(pszPath, pszPathToFile, "");
char *data;
VSILFILE *fin;
fin = VSIFOpenL( pszTemplateFile, "r" );
vsi_l_offset offset;
VSIFSeekL(fin, 0, SEEK_END);
offset = VSIFTellL(fin);
VSIRewindL(fin);
data = (char*)CPLMalloc(offset * sizeof(char) + 1);
VSIFReadL(data, offset, 1, fin); //read in the template file
data[offset] = '\0';
std::string s(data);
ReplaceKeys(s, "$boundary_name$", boundary_name);
ReplaceKeys(s, "$type$", type);
ReplaceKeys(s, "$value$", value);
ReplaceKeys(s, "$gammavalue$", gammavalue);
ReplaceKeys(s, "$pvalue$", pvalue);
ReplaceKeys(s, "$U_freestream$", boost::lexical_cast<std::string>(input.inputSpeed));
ReplaceKeys(s, "$direction$", CPLSPrintf("(%.4lf %.4lf %.4lf)", direction[0],
direction[1],
direction[2]));
ReplaceKeys(s, "$InputWindHeight$", boost::lexical_cast<std::string>(input.inputWindHeight)); //input wind height in ninjafoam mesh is always height above canopy
ReplaceKeys(s, "$z0$", boost::lexical_cast<std::string>( input.surface.Roughness.get_meanValue() ));
ReplaceKeys(s, "$Rd$", boost::lexical_cast<std::string>( input.surface.Rough_d.get_meanValue() ));
ReplaceKeys(s, "$inletoutletvalue$", inletoutletvalue);
dataString.append(s);
CPLFree(data);
VSIFCloseL(fin);
}
void NinjaFoam::WriteZeroFiles(VSILFILE *fin, VSILFILE *fout, const char *pszFilename)
{
int pos;
char *data;
vsi_l_offset offset;
VSIFSeekL(fin, 0, SEEK_END);
offset = VSIFTellL(fin);
VSIRewindL(fin);
data = (char*)CPLMalloc(offset * sizeof(char) + 1);
VSIFReadL(data, offset, 1, fin); //read in full template file
data[offset] = '\0';
// write to first dictionary value
std::string dataString;
std::string s(data);
pos = s.find("$boundaryField$");
if(pos != s.npos){
s.erase(pos);
dataString.append(s);
}
// add boundary field values from .tmp files
if(std::string(pszFilename) == "p"){
WritePBoundaryField(dataString);
}
if(std::string(pszFilename) == "U"){
WriteUBoundaryField(dataString);
}
if(std::string(pszFilename) == "k"){
WriteKBoundaryField(dataString);
}
if(std::string(pszFilename) == "epsilon"){
WriteEpsilonBoundaryField(dataString);
}
// writing remaining fields from template file
s = data;
pos = s.find("$boundaryField$");
int len = std::string("$boundaryField$").length();
if(pos != s.npos){
s.erase(0, pos+len);
}
else if(std::string(pszFilename) == "nut"){
ReplaceKeys(s, "$z0$", boost::lexical_cast<std::string>( input.surface.Roughness.get_meanValue() ));
}
dataString.append(s);
const char * d = dataString.c_str();
int nSize = strlen(d);
VSIFWriteL( d, nSize, 1, fout );
CPLFree(data);
VSIFCloseL( fin ); // reopened for each file in writeFoamFiles()
VSIFCloseL( fout ); // reopened for each file in writeFoamFiles()
}
void NinjaFoam::WriteSystemFiles(VSILFILE *fin, VSILFILE *fout, const char *pszFilename)
{
char *data;
vsi_l_offset offset;
VSIFSeekL(fin, 0, SEEK_END);
offset = VSIFTellL(fin);
VSIRewindL(fin);
data = (char*)CPLMalloc(offset * sizeof(char) + 1);
VSIFReadL(data, offset, 1, fin); //read in full template file
data[offset] = '\0';
std::string s(data);
if(std::string(pszFilename) == "decomposeParDict"){
ReplaceKeys(s, "$nProc$", boost::lexical_cast<std::string>(input.numberCPUs));
const char * d = s.c_str();
int nSize = strlen(d);
VSIFWriteL(d, nSize, 1, fout);
}
else if(std::string(pszFilename) == "sampleDict" || std::string(pszFilename) == "surfaces"){
std::string t = NinjaSanitizeString(std::string(CPLGetBasename(input.dem.fileName.c_str())));
t += "_out.stl";
ReplaceKeys(s, "$stlFileName$", t);
const char * d = s.c_str();
int nSize = strlen(d);
VSIFWriteL(d, nSize, 1, fout);
}
else if(std::string(pszFilename) == "controlDict_simpleFoam"){
#ifdef WIN32
ReplaceKeys(s, "$lib$", "libWindNinja");
#else
ReplaceKeys(s, "$lib$", "libWindNinja.so");
#endif
ReplaceKeys(s, "$nIterations$",boost::lexical_cast<std::string>(input.nIterations));
const char * d = s.c_str();
int nSize = strlen(d);
VSIFWriteL(d, nSize, 1, fout);
}
else{
VSIFWriteL(data, offset, 1, fout);
}
CPLFree(data);
VSIFCloseL(fin); // reopened for each file in writeFoamFiles()
VSIFCloseL(fout); // reopened for each file in writeFoamFiles()
}
void NinjaFoam::WriteConstantFiles(VSILFILE *fin, VSILFILE *fout, const char *pszFilename)
{
char *data;
vsi_l_offset offset;
VSIFSeekL(fin, 0, SEEK_END);
offset = VSIFTellL(fin);
VSIRewindL(fin);
data = (char*)CPLMalloc(offset * sizeof(char) + 1);
VSIFReadL(data, offset, 1, fin); //read in full template file
data[offset] = '\0';
VSIFWriteL(data, offset, 1, fout);
CPLFree(data);
VSIFCloseL(fin); // reopened for each file in )writeFoamFiles()
VSIFCloseL(fout); // reopened for each file in writeFoamFiles()
}
void NinjaFoam::WriteFoamFiles()
{
const char *pszPath;
const char *pszArchive;
char **papszFileList;
std::string osFullPath;
const char *pszFilename;
const char *pszOutput;
const char *pszInput;
const char *pszTempFoamPath;
//write temporary OpenFOAM directories
pszPath = CPLGetConfigOption( "WINDNINJA_DATA", NULL );
#ifdef WIN32
pszArchive = CPLSPrintf("%s/ninjafoam/2.2.0", pszPath);
#else
pszArchive = CPLSPrintf("%s/ninjafoam/8", pszPath);
#endif
//papszFileList = VSIReadDirRecursive( pszArchive );
papszFileList = NinjaVSIReadDirRecursive( pszArchive );
for(int i = 0; i < CSLCount( papszFileList ); i++){
pszFilename = CPLGetFilename(papszFileList[i]);
osFullPath = papszFileList[i];
if(std::string(pszFilename) == ""){
pszTempFoamPath = CPLFormFilename(pszFoamPath, osFullPath.c_str(), "");
VSIMkdir(pszTempFoamPath, 0777);
}
}
//write temporary OpenFOAM files
VSILFILE *fin;
VSILFILE *fout;
for(int i = 0; i < CSLCount( papszFileList ); i++){
osFullPath = papszFileList[i];
pszFilename = CPLGetFilename(papszFileList[i]);
if(std::string(pszFilename) != "" &&
std::string(CPLGetExtension(pszFilename)) != "tmp" &&
std::string(pszFilename) != "pointDisplacement"){
pszPath = CPLGetConfigOption( "WINDNINJA_DATA", NULL );
#ifdef WIN32
pszArchive = CPLSPrintf("%s/ninjafoam/2.2.0", pszPath);
#else
pszArchive = CPLSPrintf("%s/ninjafoam/8", pszPath);
#endif
pszInput = CPLFormFilename(pszArchive, osFullPath.c_str(), "");
pszOutput = CPLFormFilename(pszFoamPath, osFullPath.c_str(), "");
fin = VSIFOpenL( pszInput, "r" );
fout = VSIFOpenL( pszOutput, "w" );
if( osFullPath.find("0") == 0){
WriteZeroFiles(fin, fout, pszFilename);
}
else if( osFullPath.find("system") == 0 ){
WriteSystemFiles(fin, fout, pszFilename);
}
else if( osFullPath.find("constant") == 0 ){
WriteConstantFiles(fin, fout, pszFilename);
}
}
}
CSLDestroy( papszFileList );
}
void NinjaFoam::SetFoamPath(const char* pszPath)
{
pszFoamPath = pszPath;
}
int NinjaFoam::GenerateFoamDirectory(std::string demName)
{
std::string t = NinjaRemoveSpaces(std::string(CPLGetBasename(demName.c_str())));
pszFoamPath = CPLStrdup(CPLGenerateTempFilename( CPLSPrintf("NINJAFOAM_%s", t.c_str())));
VSIMkdir( pszFoamPath, 0777 );
return NINJA_SUCCESS;
}
void NinjaFoam::SetBcs()
{
bcs.push_back("east_face");
bcs.push_back("north_face");
bcs.push_back("south_face");
bcs.push_back("west_face");
}
void NinjaFoam::SetInlets()
{
double d = input.inputDirection;
if(d == 0 || d == 360){
inlets.push_back("north_face");
}
else if(d == 90){
inlets.push_back("east_face");
}
else if(d == 180){
inlets.push_back("south_face");
}
else if(d == 270){
inlets.push_back("west_face");
}
else if(d > 0 && d < 90){
inlets.push_back("north_face");
inlets.push_back("east_face");
}
else if(d > 90 && d < 180){
inlets.push_back("east_face");
inlets.push_back("south_face");
}
else if(d > 180 && d < 270){
inlets.push_back("south_face");
inlets.push_back("west_face");
}
else if(d > 270 && d < 360){
inlets.push_back("west_face");
inlets.push_back("north_face");
}
}
void NinjaFoam::ComputeDirection()
{
double d, d1, d2, dx, dy; //CW, d1 is first angle, d2 is second angle
d = input.inputDirection - 180; //convert wind direction from --> wind direction to
if(d < 0){
d += 360;
}
if(d > 0 && d < 90){ //quadrant 1
d1 = d;
d2 = 90 - d;
dx = sin(d1 * PI/180);
dy = sin(d2 * PI/180);
}
else if(d > 90 && d < 180){ //quadrant 2
d -= 90;
d1 = d;
d2 = 90 - d;
dx = sin(d2 * PI/180);
dy = -sin(d1 * PI/180);
}
else if(d > 180 && d < 270){ //quadrant 3
d -= 180;
d1 = d;
d2 = 90 - d;
dx = -sin(d1 * PI/180);
dy = -sin(d2 * PI/180);
}
else if(d > 270 && d < 360){ //quadrant 4
d -= 270;
d1 = d;
d2 = 90 - d;
dx = -sin(d2 * PI/180);
dy = sin(d1 * PI/180);
}
else if(d == 0 || d == 360){
dx = 0;
dy = 1;
}
else if(d == 90){
dx = 1;
dy = 0;
}
else if(d == 180){
dx = 0;
dy = -1;
}
else if(d == 270){
dx = -1;
dy = 0;
}
direction.push_back(dx);
direction.push_back(dy);
direction.push_back(0);
}
void NinjaFoam::WriteEpsilonBoundaryField(std::string &dataString)
{
//append BC blocks from template files
for(int i = 0; i < bcs.size(); i++){
boundary_name = bcs[i];
//check if boundary_name is an inlet
if(std::find(inlets.begin(), inlets.end(), boundary_name) != inlets.end()){
template_ = "inlet.tmp";
type = "logProfileDissipationRateInlet";
value = "";
gammavalue = "";
pvalue = "";
inletoutletvalue = "";
}
else{
template_ = "";
type = "zeroGradient";
value = "";
gammavalue = "";
pvalue = "";
inletoutletvalue = "";
}
//append BC block for current face
AddBcBlock(dataString);
}
}
void NinjaFoam::WriteKBoundaryField(std::string &dataString)
{
//append BC blocks from template files
for(int i = 0; i < bcs.size(); i++){
boundary_name = bcs[i];
//check if boundary_name is an inlet
if(std::find(inlets.begin(), inlets.end(), boundary_name) != inlets.end()){
template_ = "inlet.tmp";
type = "logProfileTurbulentKineticEnergyInlet";
value = "";
gammavalue = "";
pvalue = "";
inletoutletvalue = "";
}
else{
template_ = "";
type = "zeroGradient";
value = "";
gammavalue = "";
pvalue = "";
inletoutletvalue ="";
}
//append BC block for current face
AddBcBlock(dataString);
}
}
void NinjaFoam::WritePBoundaryField(std::string &dataString)
{
//append BC blocks from template files
for(int i = 0; i < bcs.size(); i++){
boundary_name = bcs[i];
//check if boundary_name is an inlet
if(std::find(inlets.begin(), inlets.end(), boundary_name) != inlets.end()){
template_ = "";
type = "zeroGradient";
value = "";
gammavalue = "";
pvalue = "";
inletoutletvalue = "";
}
else{
template_ = "";
type = "totalPressure";
value = "0";
gammavalue = "1";
pvalue = "0";
inletoutletvalue = "";
}
//append BC block for current face
AddBcBlock(dataString);
}
}
void NinjaFoam::WriteUBoundaryField(std::string &dataString)
{
//append BC blocks from template files
for(int i = 0; i < bcs.size(); i++){
boundary_name = bcs[i];
//check if boundary_name is an inlet
if(std::find(inlets.begin(), inlets.end(), boundary_name) != inlets.end()){
template_ = "inlet.tmp";
type = "logProfileVelocityInlet";
value = "";
gammavalue = "";
pvalue = "";
inletoutletvalue = "";
}
else{
template_ = "";
type = "pressureInletOutletVelocity";
inletoutletvalue = "(0 0 0)";
value = "";
gammavalue = "";
pvalue = "";
}
AddBcBlock(dataString);
}
}
void NinjaFoam::SetBlockMeshParametersFromDem()
{
double dz = input.dem.get_maxValue() - input.dem.get_minValue();
double dx = input.dem.get_xDimension();
double dy = input.dem.get_yDimension();
double blockMeshResolution = meshResolution*2*nRoundsRefinement;
int minNumVerticalLayers = 11;
double blockMeshDz = max((0.1 * max(dx, dy)), (dz + 0.1 * dz));
blockMeshDz = max(blockMeshDz, minNumVerticalLayers*blockMeshResolution);
//set blockMesh parameters based on the meshResolution
//input.dem has already been re-sampled to meshResolution
//the blockMesh is built directly on top of this re-sampled DEM
bbox.push_back( input.dem.get_xllCorner() ); //xmin
bbox.push_back( input.dem.get_yllCorner() ); //ymin
bbox.push_back( input.dem.get_maxValue() + 0.05 * blockMeshDz ); //zmin (above highest point in DEM for MDM)
bbox.push_back( input.dem.get_xllCorner() + input.dem.get_xDimension() ); //xmax
bbox.push_back( input.dem.get_yllCorner() + input.dem.get_yDimension() ); //ymax
bbox.push_back( input.dem.get_maxValue() + blockMeshDz ); //zmax
nCells.push_back(int( (bbox[3] - bbox[0]) / (blockMeshResolution))); // Nx1
nCells.push_back(int( (bbox[4] - bbox[1]) / (blockMeshResolution))); // Ny1
nCells.push_back(int( (bbox[5] - bbox[2]) / (blockMeshResolution))); // Nz1
//we need several cells on all sides of the blockMesh
//the blockMesh is at least twice as coarse as the refined mesh (meshResolution)
if(nCells[0] < 10 || nCells[1] < 10 || nCells[2] < 10)
{
throw std::runtime_error("The requested mesh resolution is too coarse.");
}
initialFirstCellHeight = blockMeshResolution; //height of first cell
//firstCellheight will be used when decomposing domain for moveDynamicMesh
CopyFile(CPLFormFilename(pszFoamPath, "0/U", ""),
CPLFormFilename(pszFoamPath, "0/U", ""),
"-9999.9",
CPLSPrintf("%.2f", initialFirstCellHeight));
CopyFile(CPLFormFilename(pszFoamPath, "0/k", ""),
CPLFormFilename(pszFoamPath, "0/k", ""),
"-9999.9",
CPLSPrintf("%.2f", initialFirstCellHeight));
CopyFile(CPLFormFilename(pszFoamPath, "0/epsilon", ""),
CPLFormFilename(pszFoamPath, "0/epsilon", ""),
"-9999.9",
CPLSPrintf("%.2f", initialFirstCellHeight));
CPLDebug("NINJAFOAM", "cellCount = %d", cellCount);
CPLDebug("NINJAFOAM", "blockMeshDz = %f", blockMeshDz);
CPLDebug("NINJAFOAM", "firstCellHeight = %f", initialFirstCellHeight);
CPLDebug("NINJAFOAM", "Nx1 = %d", nCells[0]);
CPLDebug("NINJAFOAM", "Ny1 = %d", nCells[1]);
CPLDebug("NINJAFOAM", "Nz1 = %d", nCells[2]);
CPLDebug("NINJAFOAM", "xmin = %f", bbox[0]);
CPLDebug("NINJAFOAM", "ymin = %f", bbox[1]);
CPLDebug("NINJAFOAM", "zmin = %f", bbox[2]);
CPLDebug("NINJAFOAM", "xmax = %f", bbox[3]);
CPLDebug("NINJAFOAM", "ymax = %f", bbox[4]);
CPLDebug("NINJAFOAM", "zmax = %f", bbox[5]);
}
void NinjaFoam::writeBlockMesh()
{
const char *pszInput;
const char *pszOutput;
const char *pszPath;
const char *pszArchive;
double ratio_ = 1.0; //expansion ratio in blockMesh
SetBlockMeshParametersFromDem();
pszPath = CPLGetConfigOption( "WINDNINJA_DATA", NULL );
#ifdef WIN32
pszArchive = CPLSPrintf("%s/ninjafoam/2.2.0", pszPath);
#else
pszArchive = CPLSPrintf("%s/ninjafoam/8", pszPath);
#endif
pszInput = CPLFormFilename(pszArchive, "constant/polyMesh/blockMeshDict", "");
pszOutput = CPLFormFilename(pszFoamPath, "constant/polyMesh/blockMeshDict", "");
VSILFILE *fin;
VSILFILE *fout;
fin = VSIFOpenL( pszInput, "r" );
fout = VSIFOpenL( pszOutput, "w" );
char *data;
vsi_l_offset offset;
VSIFSeekL(fin, 0, SEEK_END);
offset = VSIFTellL(fin);
VSIRewindL(fin);
data = (char*)CPLMalloc(offset * sizeof(char) + 1);
VSIFReadL(data, offset, 1, fin);
data[offset] = '\0';
std::string s(data);
int pos;