ASL
0.1.7
Advanced Simulation Library
flow2.cc
Example: Flow2
/*
* 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
generateMirror
(
double
x,
double
y)
{
double
hCyl (10.);
double
rCyl (1.5);
double
a(10.);
double
b(6.);
vector<AVec<>> rect({.5*
makeAVec
( .866*a,-b,-a*.5),.5*
makeAVec
(-.866*a,-b, a*.5),
.5*
makeAVec
(-.866*a, b, a*.5),.5*
makeAVec
( .866*a, b,-a*.5)});
vector<AVec<>> r1(rect.size());
vector<AVec<>> r2(rect.size());
auto
r1C(
makeAVec
(x,y+rCyl*.5+b*.5,hCyl));
auto
r2C(
makeAVec
(x,y-rCyl*.5-b*.5,hCyl));
for
(
unsigned
int
i(0); i<rect.size();++i)
{
r1[i]=r1C + rect[i];
r2[i]=r2C + rect[i];
}
auto
res(
asl::generateDFConvexPolygonPrism
(r1) |
generateDFConvexPolygonPrism
(r2));
res = (res &
generateDFPlane
(
makeAVec
(.5,0.,.866), r1C +
makeAVec
(rCyl,0.,0.)) &
generateDFPlane
(
makeAVec
(-.5,0.,-.866), r1C -
makeAVec
(rCyl,0.,0.))) |
generateDFCylinder
(rCyl,
makeAVec
(0.,0.,hCyl),
makeAVec
(x,y,hCyl*.5));
return
res;
}
asl::SPDistanceFunction
generateMirrors
()
{
vector<double> xValues;
vector<double> yValues;
for
(
unsigned
int
i(0); i < 8; ++i)
for
(
unsigned
int
j(0); j < 10; ++j)
{
xValues.push_back(25.+ 20.*i);
yValues.push_back(25.+ 15.*j);
}
auto
res(
generateMirror
(xValues[0], yValues[0]));
for
(
unsigned
int
i(1); i < xValues.size(); ++i)
res = res |
generateMirror
(xValues[i], yValues[i]);
return
res;
}
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(
"flow2"
,
"1.0"
);
appParamsManager.load(argc, argv);
Param
dx
(1.);
Param
dt(1.);
Param
nu(.0125);
Param
nuNum(nu.v()*dt.v()/
dx
.v()/
dx
.v());
AVec<int> size(
asl::makeAVec
(200,200,25));
AVec<>
gSize(
dx
.v()*
AVec<>
(size));
std::cout <<
"Data initialization... "
;
asl::Block
block(size,
dx
.v());
auto
mirrorsMapMem(asl::generateDataContainerACL_SP<FlT>(block, 1, 1u));
asl::initData
(mirrorsMapMem,
generateMirrors
());
std::cout <<
"Finished"
<< endl;
std::cout <<
"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));
// lbgkUtil->initF(acl::generateVEConstant(.1), acl::generateVEConstant(.0,.0,.0));
auto
bcNoSlip(
generateBCNoSlip
(lbgk,{
asl::Y0
,
asl::YE
,
asl::Z0
}));
auto
bcNoSlipM(
generateBCNoSlip
(lbgk, mirrorsMapMem));
auto
bcNoSlipV(
generateBCNoSlipVel
(lbgk, mirrorsMapMem));
auto
bcP(
asl::generateBCConstantPressure
(lbgk, 1., {
asl::X0
,
asl::XE
}));
auto
bcTop(
asl::generateBCConstantVelocity
(lbgk,
asl::makeAVec
(0.1,0.,0.), {
asl::ZE
}));
bcNoSlip->init();
bcNoSlipM->init();
bcNoSlipV->init();
bcP->init();
bcTop->init();
std::cout <<
"Finished"
<< endl;
std::cout <<
"Computing..."
;
asl::Timer
timer;
asl::WriterVTKXML
writer(
"flow2"
);
writer.addScalars(
"map"
, *mirrorsMapMem);
writer.addScalars(
"rho"
, *lbgk->getRho());
writer.addVector(
"v"
, *lbgk->getVelocity());
bcP->execute();
bcTop->execute();
bcNoSlip->execute();
bcNoSlipM->execute();
bcNoSlipV->execute();
writer.write();
timer.
start
();
for
(
unsigned
int
i(0); i < 1000 ; ++i)
{
lbgk->execute();
bcP->execute();
bcTop->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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