ASL
0.1.7
Advanced Simulation Library
compressor.cc
Example: Axial Compressor Required input file:
axial-compressor.stl
/*
* 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 <
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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