ASL  0.1.7
Advanced Simulation Library
flowRotatingCylinders.cc
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22 
23 
30 #include <aslDataInc.h>
31 #include <math/aslTemplates.h>
32 #include <aslGeomInc.h>
34 #include <acl/aclGenerators.h>
36 #include <num/aslLBGK.h>
37 #include <num/aslLBGKBC.h>
38 #include <utilities/aslTimer.h>
40 
41 
42 typedef float FlT;
43 //typedef double FlT;
45 
46 using asl::AVec;
47 using asl::makeAVec;
48 
49 
50 int main(int argc, char* argv[])
51 {
52  // Optionally add appParamsManager to be able to manipulate at least
53  // hardware parameters(platform/device) through command line/parameters file
54  asl::ApplicationParametersManager appParamsManager("flowRotatingCylinders",
55  "1.0");
56  appParamsManager.load(argc, argv);
57 
58  Param dx(1.);
59  Param dt(1.);
60  Param nu(.01);
61  Param w(2e-3);
62 
63  Param nuNum(nu.v()*dt.v()/dx.v()/dx.v());
64  AVec<int> size(asl::makeAVec(100,100,150));
65 
66  AVec<> gSize(dx.v()*AVec<>(size));
67 
68 
69  std::cout << "Data initialization... ";
70 
71  asl::Block block(size,dx.v());
72 
73  auto exCylMap(asl::generateDataContainerACL_SP<FlT>(block, 1, 1u));
74  asl::initData(exCylMap,
76  makeAVec(0.,0.,1.),
77  .5*gSize),
78  dx.v()));
79  auto inCylMap(asl::generateDataContainerACL_SP<FlT>(block, 1, 1u));
80  asl::initData(inCylMap,
82  makeAVec(0.,0.,1.),
83  .5*gSize),
84  dx.v()));
85 
86  auto computationalDomainMap(asl::generateDataContainerACL_SP<FlT>(block, 1, 1u));
87  asl::initData(computationalDomainMap,
89  makeAVec(0.,0.,1.),
90  .5*gSize) |
91  generateDFCylinderInf(.24*gSize[0],
92  makeAVec(0.,0.,1.),
93  .5*gSize) |
94  asl::generateDFInBlock(block, 0),
95  dx.v()));
96 
97 
98  std::cout << "Finished" << endl;
99 
100  std::cout << "Numerics initialization... ";
101 
102  asl::SPLBGK lbgk(new asl::LBGK(block,
103  acl::generateVEConstant(FlT(nuNum.v())),
104  &asl::d3q15()));
105 
106  lbgk->init();
107  asl::SPLBGKUtilities lbgkUtil(new asl::LBGKUtilities(lbgk));
108  lbgkUtil->initF(acl::generateVEConstant(.0,.0,.0));
109 
110  std::vector<asl::SPNumMethod> bc;
111  std::vector<asl::SPNumMethod> bcV;
112 
113  auto vfEx(asl::generatePFRotationField(makeAVec(0.,0., w.v()), .5*gSize));
114  auto vfIn(asl::generatePFRotationField(makeAVec(0.,0.,-2.*w.v()), .5*gSize));
115 
116  bc.push_back(generateBCVelocity(lbgk, vfEx, exCylMap,computationalDomainMap));
117  bcV.push_back(generateBCNoSlipVel(lbgk, exCylMap));
118  bc.push_back(generateBCVelocity(lbgk, vfIn, inCylMap,computationalDomainMap));
119  bcV.push_back(generateBCNoSlipVel(lbgk, inCylMap));
120  bc.push_back(generateBCNoSlip(lbgk,{asl::Z0, asl::ZE}));
121 
122  initAll(bc);
123  initAll(bcV);
124 
125  std::cout << "Finished" << endl;
126  std::cout << "Computing...";
127  asl::Timer timer;
128 
129  asl::WriterVTKXML writer("flowRotCylRes");
130 // writer.addScalars("mapEx", *exCylMap);
131 // writer.addScalars("mapIn", *inCylMap);
132  writer.addScalars("map", *computationalDomainMap);
133  writer.addScalars("rho", *lbgk->getRho());
134  writer.addVector("v", *lbgk->getVelocity());
135 
136  executeAll(bc);
137 
138  executeAll(bcV);
139  writer.write();
140 
141  timer.start();
142  for (unsigned int i(0); i < 10001 ; ++i)
143  {
144  lbgk->execute();
145  executeAll(bc);
146  if (!(i%1000))
147  {
148  cout << i << endl;
149  executeAll(bcV);
150  writer.write();
151  }
152  }
153  timer.stop();
154 
155  cout << "Finished" << endl;
156 
157  cout << "Computation statistic:" << endl;
158  cout << "Real Time = " << timer.realTime() << "; Processor Time = "
159  << timer.processorTime() << "; Processor Load = "
160  << timer.processorLoad() * 100 << "%" << endl;
161 
162  return 0;
163 }
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[])
float FlT
asl::UValue< double > Param
@ Z0
Definition: aslBCond.h:309
@ ZE
Definition: aslBCond.h:309
acl::VectorOfElements dx(const TemplateVE &a)
differential operator
SPDistanceFunction generateDFInBlock(const Block &b, unsigned int nG)
generates map corresponding to external (ghost) part of the block
SPDistanceFunction normalize(SPDistanceFunction a, double dx)
SPDistanceFunction generateDFCylinderInf(double r, const AVec< double > &l, const AVec< double > &c)
generates infinite cylinder
SPPositionFunction generatePFRotationField(const AVec< double > &axis, const AVec< double > &c)
const VectorTemplate & d3q15()
Vector template.
SPNumMethod generateBCNoSlipVel(SPLBGK nmU, SPAbstractDataWithGhostNodes map)
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.
std::shared_ptr< LBGKUtilities > SPLBGKUtilities
Definition: aslLBGK.h:161
void initAll(std::vector< T * > &v)
Definition: aslNumMethod.h:67
AVec< T > makeAVec(T a1)
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