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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 flow3.cc
Example: Flow3
*/
#include <utilities/aslParametersManager.h>
#include <aslDataInc.h>
#include <math/aslTemplates.h>
#include <aslGeomInc.h>
#include <acl/aclGenerators.h>
#include <writers/aslVTKFormatWriters.h>
#include <num/aslLBGK.h>
#include <num/aslLBGKBC.h>
#include <utilities/aslTimer.h>
#include <acl/aclUtilities.h>
typedef float FlT;
//typedef double FlT;
typedef asl::UValue<double> Param;
using asl::AVec;
using asl::makeAVec;
asl::SPDistanceFunction generateOrderedCylinders(asl::Block & block)
{
double r(2.);
double spacing(4.);
asl::SPDistanceFunction cylinder;
asl::SPDistanceFunction resultGeometry;
asl::AVec<double> orientation(asl::makeAVec(0., 0., 1.));
for (int i = 0; i < block.getSize()[0] / (2 * r + spacing); ++i)
{
for (int j = 0; j < block.getSize()[1] / (2 * r + spacing); ++j)
{
cylinder = generateDFCylinderInf(r, orientation, asl::makeAVec(i * (2. * r + spacing) + r + spacing / 2., j * (2. * r + spacing) + r + spacing / 2., 0.));
resultGeometry = resultGeometry | cylinder;
}
}
return resultGeometry;
}
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("flow3",
"1.0");
appParamsManager.load(argc, argv);
Param dx(1.);
Param dt(1.);
Param nu(.00625);
Param nuNum(nu.v()*dt.v()/dx.v()/dx.v());
AVec<int> size(asl::makeAVec(50, 50, 50));
auto gSize(dx.v()*AVec<>(size));
std::cout << "Flow: Data initialization...";
asl::Block block(size,dx.v());
auto cylindersMapMem(asl::generateDataContainerACL_SP<FlT>(block, 1, 1u));
asl::initData(cylindersMapMem, generateOrderedCylinders(block));
std::cout << "Finished" << endl;
std::cout << "Flow: Numerics initialization...";
asl::SPLBGK lbgk(new asl::LBGK(block,
acl::generateVEConstant(FlT(nuNum.v())),
&asl::d3q15()));
lbgk->init();
asl::SPLBGKUtilities lbgkUtil(new asl::LBGKUtilities(lbgk));
lbgkUtil->initF(acl::generateVEConstant(.0,.0,.0));
auto bcNoSlip(generateBCNoSlip(lbgk,{asl::Y0, asl::YE, asl::Z0, asl::ZE}));
auto bcNoSlipM(generateBCNoSlip(lbgk, cylindersMapMem));
auto bcNoSlipV(generateBCNoSlipVel(lbgk, cylindersMapMem));
asl::BCConstantPressure bcIn(lbgk, acl::generateVEConstant(1.2));
asl::BCConstantPressure bcOut(lbgk, acl::generateVEConstant(0.8));
addSliceX0(bcIn);
addSliceXE(bcOut);
bcNoSlip->init();
bcNoSlipM->init();
bcNoSlipV->init();
bcIn.init();
bcOut.init();
std::cout << "Finished" << endl;
std::cout << "Computing...";
asl::Timer timer;
asl::WriterVTKXML writer("flow3Res");
writer.addScalars("map", *cylindersMapMem);
writer.addScalars("rho", *lbgk->getRho());
writer.addVector("v", *lbgk->getVelocity());
bcIn.execute();
bcOut.execute();
bcNoSlip->execute();
bcNoSlipM->execute();
bcNoSlipV->execute();
writer.write();
timer.start();
for (unsigned int i(0); i < 1000; ++i)
{
lbgk->execute();
bcIn.execute();
bcOut.execute();
bcNoSlip->execute();
bcNoSlipM->execute();
if (!(i%100))
{
cout << i << endl;
bcNoSlipV->execute();
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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