ASL
0.1.7
Advanced Simulation Library
flow3.cc
Example: Flow3
/*
* 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/>.
*
*/
#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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