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/*
* Advanced Simulation Library <http://asl.org.il>
*
* Copyright 2015 Avtech Scientific <http://avtechscientific.com>
*
*
* This file is part of Advanced Simulation Library (ASL).
*
* ASL is free software: you can redistribute it and/or modify it
* under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, version 3 of the License.
*
* ASL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with ASL. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
\example compressor.cc
Example: Axial Compressor
Required input file: [axial-compressor.stl](http://asl.org.il/input_data/axial-compressor.stl)
*/
#include <utilities/aslParametersManager.h>
#include <math/aslTemplates.h>
#include <aslGeomInc.h>
#include <aslDataInc.h>
#include <math/aslPositionFunction.h>
#include <acl/aclGenerators.h>
#include <writers/aslVTKFormatWriters.h>
#include <num/aslLBGK.h>
#include <num/aslLBGKBC.h>
#include <utilities/aslTimer.h>
#include <readers/aslVTKFormatReaders.h>
typedef float FlT;
//typedef double FlT;
typedef asl::UValue<double> Param;
using asl::AVec;
using asl::makeAVec;
asl::SPDistanceFunction generateCase(asl::Block & bl)
{
double rCase((bl.getBPosition()[1] - bl.position[1]) / 2.);
asl::AVec<> center(.5*(bl.getBPosition() + bl.position));
center[1] = bl.position[1] + rCase;
auto comprCase(-(generateDFCylinderInf(rCase, makeAVec(0., 0., 1.), center)));
return normalize(comprCase, bl.dx);
}
int main(int argc, char* argv[])
{
// Optionally add appParamsManager to be able to manipulate at least
// hardware parameters(platform/device) through command line/parameters file
asl::ApplicationParametersManager appParamsManager("compressor",
"1.0");
asl::Parameter<string> input("input", "path to the compressor geometry input file");
appParamsManager.load(argc, argv);
Param dx(0.5);
Param dt(.001);
Param nu(.2);
// Angular velocity
Param w(6.*3.14*2./60.);
AVec<int> size(makeAVec(33., 33., 90.)*(1./dx.v()));
asl::Block bl(size, dx.v(), makeAVec(-16.65, -26.15, -67.7));
// Param nuNum(nu.v()*dt.v()/dx.v()/dx.v());
Param nuNum(.2);
// Angular velocity in one iteration
Param wNum(w.v()*dt.v());
std::cout << "Data initialization..." << flush;
auto compressorMap(asl::readSurface(input.v(), bl));
asl::Block block(compressorMap->getInternalBlock());
auto comprCaseMap(asl::generateDataContainerACL_SP<FlT>(block, 1, 1u));
asl::initData(comprCaseMap, generateCase(block));
std::cout << "Finished" << endl;
std::cout << "Numerics initialization..." << flush;
asl::SPLBGK lbgk(new asl::LBGK(block,
acl::generateVEConstant(FlT(nuNum.v())),
&asl::d3q15()));
// Set angular velocity in lbgk
lbgk->setOmega(acl::generateVEConstant(makeAVec(0.,0.,wNum.v())));
lbgk->init();
asl::SPLBGKUtilities lbgkUtil(new asl::LBGKUtilities(lbgk));
// Initialization of lbgk
lbgkUtil->initF(acl::generateVEConstant(.0,.0,.0));
std::vector<asl::SPNumMethod> bc;
std::vector<asl::SPNumMethod> bcVis;
// Position Function Angular Velocity Field
auto vfCase(asl::generatePFRotationField(makeAVec(0.,0., wNum.v()/dx.v()),
.5*(block.getBPosition() + block.position)));
// Boundary condition
bc.push_back(generateBCVelocity(lbgk, vfCase, comprCaseMap));
// Boundary condition for visualization
bcVis.push_back(generateBCVelocityVel(lbgk, vfCase, comprCaseMap));
bc.push_back(asl::generateBCConstantPressure(lbgk, 1., {asl::Z0, asl::ZE}));
bc.push_back(generateBCNoSlip(lbgk, compressorMap));
bcVis.push_back(generateBCNoSlipVel(lbgk, compressorMap));
initAll(bc);
initAll(bcVis);
std::cout << "Finished" << endl;
std::cout << "Computing..." << endl;
asl::Timer timer;
asl::WriterVTKXML writer("compressor");
writer.addScalars("compressor", *compressorMap);
writer.addScalars("case", *comprCaseMap);
writer.addScalars("rho", *lbgk->getRho());
writer.addVector("v", *lbgk->getVelocity());
executeAll(bc);
executeAll(bcVis);
writer.write();
timer.start();
for (unsigned int i(1); i < 10001; ++i)
{
lbgk->execute();
executeAll(bc);
if (!(i%2000))
{
cout << i << endl;
executeAll(bcVis);
writer.write();
}
}
timer.stop();
cout << "Finished" << endl;
cout << "Computation statistic:" << endl;
cout << "Real Time = " << timer.realTime() << "; Processor Time = "
<< timer.processorTime() << "; Processor Load = "
<< timer.processorLoad() * 100 << "%" << endl;
return 0;
}
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