ASL 0.1.7
Advanced Simulation Library
flow2.cc
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1/*
2 * Advanced Simulation Library <http://asl.org.il>
3 *
4 * Copyright 2015 Avtech Scientific <http://avtechscientific.com>
5 *
6 *
7 * This file is part of Advanced Simulation Library (ASL).
8 *
9 * ASL is free software: you can redistribute it and/or modify it
10 * under the terms of the GNU Affero General Public License as
11 * published by the Free Software Foundation, version 3 of the License.
12 *
13 * ASL is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU Affero General Public License for more details.
17 *
18 * You should have received a copy of the GNU Affero General Public License
19 * along with ASL. If not, see <http://www.gnu.org/licenses/>.
20 *
21 */
22
23
30#include <aslDataInc.h>
31#include <math/aslTemplates.h>
32#include <aslGeomInc.h>
33#include <acl/aclGenerators.h>
35#include <num/aslLBGK.h>
36#include <num/aslLBGKBC.h>
37#include <utilities/aslTimer.h>
38#include <acl/aclUtilities.h>
39
40
41
42typedef float FlT;
43//typedef double FlT;
45
46using asl::AVec;
47using asl::makeAVec;
48
50{
51 double hCyl (10.);
52 double rCyl (1.5);
53 double a(10.);
54 double b(6.);
55 vector<AVec<>> rect({.5*makeAVec( .866*a,-b,-a*.5),.5*makeAVec(-.866*a,-b, a*.5),
56 .5*makeAVec(-.866*a, b, a*.5),.5*makeAVec( .866*a, b,-a*.5)});
57 vector<AVec<>> r1(rect.size());
58 vector<AVec<>> r2(rect.size());
59 auto r1C(makeAVec(x,y+rCyl*.5+b*.5,hCyl));
60 auto r2C(makeAVec(x,y-rCyl*.5-b*.5,hCyl));
61 for(unsigned int i(0); i<rect.size();++i)
62 {
63 r1[i]=r1C + rect[i];
64 r2[i]=r2C + rect[i];
65 }
66
68 res = (res &
69 generateDFPlane(makeAVec(.5,0.,.866), r1C + makeAVec(rCyl,0.,0.)) &
70 generateDFPlane(makeAVec(-.5,0.,-.866), r1C - makeAVec(rCyl,0.,0.))) |
71 generateDFCylinder(rCyl, makeAVec(0.,0.,hCyl), makeAVec(x,y,hCyl*.5));
72 return res;
73}
74
76{
77 vector<double> xValues;
78 vector<double> yValues;
79
80 for(unsigned int i(0); i < 8; ++i)
81 for(unsigned int j(0); j < 10; ++j)
82 {
83 xValues.push_back(25.+ 20.*i);
84 yValues.push_back(25.+ 15.*j);
85 }
86
87 auto res(generateMirror(xValues[0], yValues[0]));
88 for(unsigned int i(1); i < xValues.size(); ++i)
89 res = res | generateMirror(xValues[i], yValues[i]);
90
91 return res;
92}
93
94
95int main(int argc, char* argv[])
96{
97 // Optionally add appParamsManager to be able to manipulate at least
98 // hardware parameters(platform/device) through command line/parameters file
99 asl::ApplicationParametersManager appParamsManager("flow2",
100 "1.0");
101 appParamsManager.load(argc, argv);
102
103 Param dx(1.);
104 Param dt(1.);
105 Param nu(.0125);
106
107 Param nuNum(nu.v()*dt.v()/dx.v()/dx.v());
108 AVec<int> size(asl::makeAVec(200,200,25));
109
110 AVec<> gSize(dx.v()*AVec<>(size));
111
112
113 std::cout << "Data initialization... ";
114
115 asl::Block block(size,dx.v());
116
117 auto mirrorsMapMem(asl::generateDataContainerACL_SP<FlT>(block, 1, 1u));
118 asl::initData(mirrorsMapMem, generateMirrors());
119
120 std::cout << "Finished" << endl;
121
122 std::cout << "Numerics initialization... ";
123
124 asl::SPLBGK lbgk(new asl::LBGK(block,
125 acl::generateVEConstant(FlT(nuNum.v())),
126 &asl::d3q15()));
127
128 lbgk->init();
129 asl::SPLBGKUtilities lbgkUtil(new asl::LBGKUtilities(lbgk));
130 lbgkUtil->initF(acl::generateVEConstant(.0,.0,.0));
131// lbgkUtil->initF(acl::generateVEConstant(.1), acl::generateVEConstant(.0,.0,.0));
132
133 auto bcNoSlip(generateBCNoSlip(lbgk,{asl::Y0, asl::YE, asl::Z0}));
134 auto bcNoSlipM(generateBCNoSlip(lbgk, mirrorsMapMem));
135 auto bcNoSlipV(generateBCNoSlipVel(lbgk, mirrorsMapMem));
136 auto bcP(asl::generateBCConstantPressure(lbgk, 1., {asl::X0, asl::XE}));
137 auto bcTop(asl::generateBCConstantVelocity(lbgk, asl::makeAVec(0.1,0.,0.), {asl::ZE}));
138
139 bcNoSlip->init();
140 bcNoSlipM->init();
141 bcNoSlipV->init();
142 bcP->init();
143 bcTop->init();
144
145 std::cout << "Finished" << endl;
146 std::cout << "Computing...";
147 asl::Timer timer;
148
149 asl::WriterVTKXML writer("flow2");
150 writer.addScalars("map", *mirrorsMapMem);
151 writer.addScalars("rho", *lbgk->getRho());
152 writer.addVector("v", *lbgk->getVelocity());
153
154
155
156 bcP->execute();
157 bcTop->execute();
158 bcNoSlip->execute();
159 bcNoSlipM->execute();
160
161 bcNoSlipV->execute();
162 writer.write();
163
164 timer.start();
165 for (unsigned int i(0); i < 1000 ; ++i)
166 {
167 lbgk->execute();
168 bcP->execute();
169 bcTop->execute();
170 bcNoSlip->execute();
171 bcNoSlipM->execute();
172 if (!(i%100))
173 {
174 cout << i << endl;
175 bcNoSlipV->execute();
176 writer.write();
177 }
178 }
179 timer.stop();
180
181
182 cout << "Finished" << endl;
183
184 cout << "Computation statistic:" << endl;
185 cout << "Real Time = " << timer.realTime() << "; Processor Time = "
186 << timer.processorTime() << "; Processor Load = "
187 << timer.processorLoad() * 100 << "%" << endl;
188
189 return 0;
190}
AVec< T > makeAVec(T a1)
void load(int argc, char *argv[])
Numerical method for fluid flow.
Definition: aslLBGK.h:78
contains different kernels for preprocessing and posprocessing of data used by LBGK
Definition: aslLBGK.h:138
const double realTime() const
Definition: aslTimer.h:45
void stop()
Definition: aslTimer.h:44
const double processorTime() const
Definition: aslTimer.h:46
void start()
Definition: aslTimer.h:43
const double processorLoad() const
Definition: aslTimer.h:47
const T & v() const
Definition: aslUValue.h:43
void addVector(std::string name, AbstractData &data)
void addScalars(std::string name, AbstractData &data)
int main(int argc, char *argv[])
Definition: flow2.cc:95
float FlT
Definition: flow2.cc:42
asl::SPDistanceFunction generateMirrors()
Definition: flow2.cc:75
asl::UValue< double > Param
Definition: flow2.cc:44
asl::SPDistanceFunction generateMirror(double x, double y)
Definition: flow2.cc:49
@ Y0
Definition: aslBCond.h:309
@ XE
Definition: aslBCond.h:309
@ Z0
Definition: aslBCond.h:309
@ YE
Definition: aslBCond.h:309
@ ZE
Definition: aslBCond.h:309
@ X0
Definition: aslBCond.h:309
acl::VectorOfElements dx(const TemplateVE &a)
differential operator
SPDistanceFunction generateDFCylinder(double r, const AVec< double > &l, const AVec< double > &c)
generates cylinder
SPDistanceFunction generateDFPlane(const AVec< double > &n, const AVec< double > &p0)
SPDistanceFunction generateDFConvexPolygonPrism(std::vector< AVec< double > > points)
generates infinite prism with convex polygon at its base
std::shared_ptr< DistanceFunction > SPDistanceFunction
Definition: aslGeomInc.h:45
const VectorTemplate & d3q15()
Vector template.
SPBCond generateBCConstantVelocity(SPLBGK nm, AVec<> v, const std::vector< SlicesNames > &sl)
SPBCond generateBCConstantPressure(SPLBGK nm, double p, const std::vector< SlicesNames > &sl)
SPNumMethod generateBCNoSlipVel(SPLBGK nmU, SPAbstractDataWithGhostNodes map)
SPBCond generateBCNoSlip(SPLBGK nm, const std::vector< SlicesNames > &sl)
VectorOfElements generateVEConstant(T a)
Generates VectorOfElements with 1 Element acl::Constant with value a.
AVec< T > makeAVec(T a1)
std::shared_ptr< LBGKUtilities > SPLBGKUtilities
Definition: aslLBGK.h:161
std::shared_ptr< LBGK > SPLBGK
Definition: aslLBGK.h:133
void initData(SPAbstractData d, double a)