ASL 0.1.7
Advanced Simulation Library
locomotive_laminar.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 <math/aslTemplates.h>
31#include <aslGeomInc.h>
33#include <aslDataInc.h>
34#include <acl/aclGenerators.h>
36#include <num/aslLBGK.h>
37#include <num/aslLBGKBC.h>
38#include <utilities/aslTimer.h>
39#include <acl/aclUtilities.h>
42
43
44typedef float FlT;
45//typedef double FlT;
47
48using asl::AVec;
49using asl::makeAVec;
50
52{
53
54 double l(bl.getBPosition()[0]-bl.position[0]+bl.dx);
55 double rTunnel((bl.getBPosition()[2]-bl.position[2])/2.);
56
57 double dx(bl.dx);
58
59 asl::AVec<int> size(bl.getSize());
60
61 asl::AVec<> center(.5*(bl.getBPosition()+bl.position));
62 center[1]=bl.position[1]+.25*rTunnel;
63 asl::AVec<> centerG(center);
64 centerG[1]=bl.position[1];
65
66 auto tunnel(-(generateDFCylinder(rTunnel, makeAVec(l,0.,0.), center) &
67 generateDFPlane(makeAVec(0.,-1.,0.), centerG)));
68
69 return normalize(tunnel, dx);
70}
71
72
73int main(int argc, char* argv[])
74{
75 // Optionally add appParamsManager to be able to manipulate at least
76 // hardware parameters(platform/device) through command line/parameters file
77 asl::ApplicationParametersManager appParamsManager("locomotive_laminar",
78 "1.0");
79 asl::Parameter<string> input("input", "path to the geometry input file");
80 appParamsManager.load(argc, argv);
81
82 Param dx(0.5);
83 Param dt(1.);
84 Param nu(.01);
85
86
87 AVec<int> size(makeAVec(150., 37., 53.2)*(1./dx.v()));
88 asl::Block bl(size,dx.v(),makeAVec(-10.,-1.63, -31.6));
89
90 Param nuNum(nu.v()*dt.v()/dx.v()/dx.v());
91
92 std::cout << "Data initialization..." << endl;
93
94 auto locomotive(asl::readSurface(input.v(), bl));
95
96 asl::Block block(locomotive->getInternalBlock());
97
98 auto tunnelMap(asl::generateDataContainerACL_SP<FlT>(block, 1, 1u));
99 asl::initData(tunnelMap, generateTunnel(block));
100
101 auto forceField(asl::generateDataContainerACL_SP<FlT>(block, 3, 1u));
102 asl::initData(forceField, makeAVec(0.,0.,0.));
103
104 std::cout << "Finished"<<endl;
105
106 std::cout << "Numerics initialization..." << endl;
107
108 asl::SPLBGK lbgk(new asl::LBGK(block,
109 acl::generateVEConstant(FlT(nuNum.v())),
110 &asl::d3q15()));
111
112 lbgk->init();
113 asl::SPLBGKUtilities lbgkUtil(new asl::LBGKUtilities(lbgk));
114 lbgkUtil->initF(acl::generateVEConstant(.1,.0,.0));
115
116 auto vfTunnel(asl::generatePFConstant(makeAVec(0.1,0.,0.)));
117
118 std::vector<asl::SPNumMethod> bc;
119 std::vector<asl::SPNumMethod> bcV;
120
121 bc.push_back(generateBCVelocity(lbgk, vfTunnel, tunnelMap));
122 bcV.push_back(generateBCVelocityVel(lbgk, vfTunnel, tunnelMap));
123// bcV.push_back(generateBCNoSlipRho(lbgk, tunnelMap));
124 bc.push_back(generateBCNoSlip(lbgk, locomotive));
125 bcV.push_back(generateBCNoSlipVel(lbgk, locomotive));
126// bcV.push_back(generateBCNoSlipRho(lbgk, locomotive));
127 bc.push_back(generateBCConstantPressureVelocity(lbgk, 1., makeAVec(0.1,0.,0.), {asl::X0, asl::XE}));
128
129 initAll(bc);
130 initAll(bcV);
131
132 auto computeForce(generateComputeSurfaceForce(lbgk, forceField, locomotive));
133 computeForce->init();
134
135 cout << "Finished" << endl;
136 cout << "Computing..." << endl;
137 asl::Timer timer;
138
139 asl::WriterVTKXML writer(appParamsManager.getDir() + "locomotive_laminar");
140 writer.addScalars("locomotive", *locomotive);
141 writer.addScalars("tunnel", *tunnelMap);
142 writer.addScalars("rho", *lbgk->getRho());
143 writer.addVector("v", *lbgk->getVelocity());
144 writer.addVector("force", *forceField);
145
146 executeAll(bc);
147 executeAll(bcV);
148 computeForce->execute();
149
150 writer.write();
151
152 timer.start();
153 for(unsigned int i(1); i < 2001; ++i)
154 {
155 lbgk->execute();
156 executeAll(bc);
157 if(!(i%200))
158 {
159 cout<<i<<endl;
160 executeAll(bcV);
161 computeForce->execute();
162 writer.write();
163 }
164 }
165 timer.stop();
166
167 cout << "Finished" << endl;
168
169 cout << "Computation statistic:" << endl;
170 cout << "Real Time = " << timer.realTime() << "; Processor Time = "
171 << timer.processorTime() << "; Processor Load = "
172 << timer.processorLoad() * 100 << "%" << endl;
173
174 return 0;
175}
const AVec normalize(const AVec< T > &a)
AVec< T > makeAVec(T a1)
void load(int argc, char *argv[])
double dx
Definition: aslBlocks.h:66
const V getBPosition() const
Definition: aslBlocks.h:214
const DV & getSize() const
Definition: aslBlocks.h:208
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 T & v() const
std::string getDir()
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)
@ XE
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)
SPDataWithGhostNodesACLData readSurface(const string &fileName, double dx, acl::CommandQueue queue=acl::hardware.defaultQueue)
std::shared_ptr< DistanceFunction > SPDistanceFunction
Definition: aslGeomInc.h:45
SPPositionFunction generatePFConstant(const AVec< double > &a)
const VectorTemplate & d3q15()
Vector template.
SPNumMethod generateComputeSurfaceForce(SPLBGK nm, SPDataWithGhostNodesACLData fF, SPAbstractDataWithGhostNodes map)
SPNumMethod generateBCVelocityVel(SPLBGK nm, SPPositionFunction v, SPAbstractDataWithGhostNodes map)
SPNumMethod generateBCNoSlipVel(SPLBGK nmU, SPAbstractDataWithGhostNodes map)
SPBCond generateBCConstantPressureVelocity(SPLBGK nm, double p, AVec<> v, const std::vector< SlicesNames > &sl)
SPNumMethod generateBCVelocity(SPLBGK nm, SPPositionFunction v, 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.
int main(int argc, char *argv[])
float FlT
asl::UValue< double > Param
asl::SPDistanceFunction generateTunnel(asl::Block &bl)
AVec< T > makeAVec(T a1)
std::shared_ptr< LBGKUtilities > SPLBGKUtilities
Definition: aslLBGK.h:161
void initAll(std::vector< T * > &v)
Definition: aslNumMethod.h:67
std::shared_ptr< LBGK > SPLBGK
Definition: aslLBGK.h:133
void initData(SPAbstractData d, double a)
void executeAll(std::vector< T * > &v)
Definition: aslNumMethod.h:55