ASL  0.1.7
Advanced Simulation Library
flow.cc
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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 
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("flow",
55  "1.0");
56  appParamsManager.load(argc, argv);
57 
58  Param dx(1.);
59  Param dt(1.);
60  Param nu(.00625);
61 
62  Param nuNum(nu.v()*dt.v()/dx.v()/dx.v());
63  AVec<int> size(asl::makeAVec(300, 50, 50));
64 
65  auto gSize(dx.v()*AVec<>(size));
66 
67 
68  std::cout << "Data initialization... ";
69 
70  asl::Block block(size,dx.v());
71 
72  auto ball(generateDFCylinderInf(.125*gSize[1],
73  makeAVec(0.,1.,0.),
74  .45*makeAVec(gSize[1],gSize[1],gSize[2])));
75  // Formula
76  auto ballMap(asl::generateDataContainer_SP(block, ball, 1u, acl::typeToTypeID<FlT>()));
77  // Data
78  auto ballMapMem(asl::generateDataContainerACL_SP<FlT>(block, 1, 1u));
79  asl::initData(ballMapMem, ball);
80 
81 
82  std::cout << "Finished" << endl;
83 
84  std::cout << "Numerics initialization... ";
85 
86  asl::SPLBGK lbgk(new asl::LBGK(block,
87  acl::generateVEConstant(FlT(nuNum.v())),
88  &asl::d3q15()));
89  lbgk->init();
90 
91  asl::SPLBGKUtilities lbgkUtil(new asl::LBGKUtilities(lbgk));
92  // Initialization of lbgk
93  lbgkUtil->initF(acl::generateVEConstant(.0,.0,.0));
94 // lbgkUtil->initF(acl::generateVEConstant(.1), acl::generateVEConstant(.0,.0,.0));
95 
96  std::vector<asl::SPNumMethod> bc;
97  std::vector<asl::SPNumMethod> bcVis;
98 
99  bc.push_back(asl::generateBCConstantPressure(lbgk, 1.2, {asl::X0}));
100  bc.push_back(asl::generateBCConstantPressure(lbgk, 0.8, {asl::XE}));
101  bc.push_back(generateBCNoSlip(lbgk, {asl::Y0, asl::YE, asl::Z0, asl::ZE}));
102  bc.push_back(generateBCNoSlip(lbgk, ballMap));
103  bcVis.push_back(generateBCNoSlipVel(lbgk, ballMap));
104 
105  initAll(bc);
106  initAll(bcVis);
107 
108  std::cout << "Finished" << endl;
109  std::cout << "Computing...";
110  asl::Timer timer;
111 
112  asl::WriterVTKXML writer("flow");
113  writer.addScalars("map", *ballMapMem);
114  writer.addScalars("rho", *lbgk->getRho());
115  writer.addVector("v", *lbgk->getVelocity());
116 
117 
118 
119  executeAll(bc);
120  executeAll(bcVis);
121  writer.write();
122 
123  timer.start();
124  for (unsigned int i(1); i < 1001; ++i)
125  {
126  lbgk->execute();
127  executeAll(bc);
128  if (!(i%5000))
129  {
130  cout << i << endl;
131  executeAll(bcVis);
132  writer.write();
133  }
134  }
135  timer.stop();
136 
137 
138  cout << "Finished" << endl;
139 
140  cout << "Computation statistic:" << endl;
141  cout << "Real Time = " << timer.realTime() << "; Processor Time = "
142  << timer.processorTime() << "; Processor Load = "
143  << timer.processorLoad() * 100 << "%" << endl;
144 
145  return 0;
146 }
const double realTime() const
Definition: aslTimer.h:45
const double processorTime() const
Definition: aslTimer.h:46
AVec< T > makeAVec(T a1)
Numerical method for fluid flow.
Definition: aslLBGK.h:77
SPDataWrapperACL generateDataContainer_SP(const Block &b, const acl::VectorOfElements &a)
const T & v() const
Definition: aslUValue.h:43
void addVector(std::string name, AbstractData &data)
void initAll(std::vector< T * > &v)
Definition: aslNumMethod.h:67
AVec< T > makeAVec(T a1)
SPDistanceFunction generateDFCylinderInf(double r, const AVec< double > &l, const AVec< double > &c)
generates infinite cylinder
int main(int argc, char *argv[])
Definition: flow.cc:50
std::shared_ptr< LBGKUtilities > SPLBGKUtilities
Definition: aslLBGK.h:161
std::shared_ptr< LBGK > SPLBGK
Definition: aslLBGK.h:133
const VectorTemplate & d3q15()
Vector template.
asl::UValue< double > Param
Definition: flow.cc:44
acl::VectorOfElements dx(const TemplateVE &a)
differential operator
void initData(SPAbstractData d, double a)
void executeAll(std::vector< T * > &v)
Definition: aslNumMethod.h:55
void addScalars(std::string name, AbstractData &data)
float FlT
Definition: flow.cc:42
SPBCond generateBCConstantPressure(SPLBGK nm, double p, const std::vector< SlicesNames > &sl)
void stop()
Definition: aslTimer.h:44
void start()
Definition: aslTimer.h:43
VectorOfElements generateVEConstant(T a)
Generates VectorOfElements with 1 Element acl::Constant with value a.
void load(int argc, char *argv[])
const double processorLoad() const
Definition: aslTimer.h:47
SPNumMethod generateBCNoSlipVel(SPLBGK nmU, SPAbstractDataWithGhostNodes map)
for velocity field
contains different kernels for preprocessing and posprocessing of data used by LBGK
Definition: aslLBGK.h:137
SPBCond generateBCNoSlip(SPLBGK nm, const std::vector< SlicesNames > &sl)