ASL 0.1.7
Advanced Simulation Library
Loading...
Searching...
No Matches
locomotive_stability.cc
Go to the documentation of this file.
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/aslVectors.h>
31#include <math/aslTemplates.h>
32#include <aslGeomInc.h>
34#include <aslDataInc.h>
35#include <acl/aclGenerators.h>
37#include <num/aslLBGK.h>
38#include <num/aslLBGKBC.h>
39#include <utilities/aslTimer.h>
40#include <acl/aclUtilities.h>
43
44
45typedef float FlT;
46//typedef double FlT;
48
49using asl::AVec;
50using asl::makeAVec;
51
53{
54
55 double y(10.33);
56 double z(3.08);
57 double h(1.);
58 double rNozzel(.3);
59 double n(4.);
60 double x0(-20.);
61 double xE(-6.);
62
63 double dx(bl.dx);
64
65 asl::SPDistanceFunction res(generateDFCylinder(rNozzel,
66 makeAVec(0., 0., h),
67 makeAVec(x0, y, z + h * .5)));
68 for(unsigned int i(1); i < n; ++i)
69 res = res | generateDFCylinder(rNozzel,
70 makeAVec(0., 0., h),
71 makeAVec(x0 + i * (xE-x0)/n, y, z+h*.5));
72 return normalize(res, dx);
73}
74
75
76int main(int argc, char* argv[])
77{
78 // Optionally add appParamsManager to be able to manipulate at least
79 // hardware parameters(platform/device) through command line/parameters file
80 asl::ApplicationParametersManager appParamsManager("locomotive_stability",
81 "1.0");
82 asl::Parameter<string> input("input", "path to the geometry input file");
83 appParamsManager.load(argc, argv);
84
85 Param dx(0.25);
86 Param dt(1.);
87 Param nu(.01);
88
89 Param nuNum(nu.v()*dt.v()/dx.v()/dx.v());
90
91 std::cout << "Data initialization... " << flush;
92
93 auto locomotive(asl::readSurface(input.v(), dx.v(), .5, 1., 0., 1., 2., 4.));
94
95 asl::Block block(locomotive->getInternalBlock());
96
97 auto forceField(asl::generateDataContainerACL_SP<FlT>(block, 3, 1u));
98 asl::initData(forceField, makeAVec(0., 0., 0.));
99
100 std::cout << "Finished" << endl;
101
102 std::cout << "Numerics initialization... " << flush;
103
104 asl::SPLBGK lbgk(new asl::LBGK(block,
106 &asl::d3q15()));
107
108 lbgk->init();
109 asl::SPLBGKUtilities lbgkUtil(new asl::LBGKUtilities(lbgk));
110 lbgkUtil->initF(acl::generateVEConstant(.1,.0,.05));
111
112 auto vfTunnel(asl::generatePFConstant(makeAVec(0.1,0.,0.)));
113
114 std::vector<asl::SPNumMethod> bc;
115 std::vector<asl::SPNumMethod> bcV;
116
117 auto nozzelsMap(asl::generateDataContainerACL_SP<FlT>(block, 1, 1u));
118 asl::initData(nozzelsMap, generateNozzels(block));
119
120
121 bc.push_back(generateBCNoSlip(lbgk, locomotive));
122 bcV.push_back(generateBCNoSlipVel(lbgk, locomotive));
123 bc.push_back(generateBCConstantPressureVelocity(lbgk, 1.,
124 makeAVec(0.1,0.,0.05),
126 bc.push_back(generateBCConstantPressureVelocity(lbgk, 1., makeAVec(0.,0.,-0.1), nozzelsMap));
127 initAll(bc);
128 initAll(bcV);
129
130 auto computeForce(generateComputeSurfaceForce(lbgk, forceField, locomotive));
131 computeForce->init();
132
133
134 std::cout << "Finished" << endl;
135 std::cout << "Computing..." << endl;
136
137 asl::WriterVTKXML writer(appParamsManager.getDir() + "locomotive_stability");
138 writer.addScalars("locomotive", *locomotive);
139 writer.addScalars("nozzels", *nozzelsMap);
140 writer.addScalars("rho", *lbgk->getRho());
141 writer.addVector("v", *lbgk->getVelocity());
142 writer.addVector("force", *forceField);
143
144 executeAll(bc);
145 executeAll(bcV);
146 computeForce->execute();
147
148 writer.write();
149
150 asl::Timer timer, timer1, timer2;
151 timer.start();
152 for(unsigned int i(1); i < 40001; ++i)
153 {
154 lbgk->execute();
155 executeAll(bc);
156 if(!(i%1000))
157 {
158 cout << i << endl;
159 executeAll(bcV);
160 computeForce->execute();
161 writer.write();
162 }
163 }
164 timer.stop();
165
166 cout << "Finished" << endl;
167
168 cout << "Computation statistic:" << endl;
169 cout << "Real Time = " << timer.realTime() << "; Processor Time = "
170 << timer.processorTime() << "; Processor Load = "
171 << timer.processorLoad() * 100 << "%" << endl;
172
173 return 0;
174}
definition of class АVec<T>
void load(int argc, char *argv[])
double dx
Definition aslBlocks.h:66
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
Updatable value. This class stores value and its TimeStamp.
Definition aslUValue.h:35
const T & v() const
Definition aslUValue.h:43
void addVector(std::string name, AbstractData &data)
void addScalars(std::string name, AbstractData &data)
@ 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
SPDataWrapperACLData generateDataContainerACL_SP(const Block &b, unsigned int n=1)
generates pointer to ACL Data field with n components
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.
VectorOfElements generateVEConstant(T a)
Generates VectorOfElements with 1 Element acl::Constant with value a.
float FlT
asl::SPDistanceFunction generateNozzels(asl::Block &bl)
asl::UValue< double > Param
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)
int main()