ASL  0.1.7
Advanced Simulation Library
flow3.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 typedef float FlT;
42 //typedef double FlT;
44 
45 using asl::AVec;
46 using asl::makeAVec;
47 
49 {
50  double r(2.);
51  double spacing(4.);
52 
53  asl::SPDistanceFunction cylinder;
54  asl::SPDistanceFunction resultGeometry;
55  asl::AVec<double> orientation(asl::makeAVec(0., 0., 1.));
56  for (int i = 0; i < block.getSize()[0] / (2 * r + spacing); ++i)
57  {
58  for (int j = 0; j < block.getSize()[1] / (2 * r + spacing); ++j)
59  {
60  cylinder = generateDFCylinderInf(r, orientation, asl::makeAVec(i * (2. * r + spacing) + r + spacing / 2., j * (2. * r + spacing) + r + spacing / 2., 0.));
61  resultGeometry = resultGeometry | cylinder;
62  }
63  }
64 
65  return resultGeometry;
66 }
67 
68 
69 int main(int argc, char* argv[])
70 {
71  // Optionally add appParamsManager to be able to manipulate at least
72  // hardware parameters(platform/device) through command line/parameters file
73  asl::ApplicationParametersManager appParamsManager("flow3",
74  "1.0");
75  appParamsManager.load(argc, argv);
76 
77  Param dx(1.);
78  Param dt(1.);
79  Param nu(.00625);
80 
81  Param nuNum(nu.v()*dt.v()/dx.v()/dx.v());
82  AVec<int> size(asl::makeAVec(50, 50, 50));
83 
84  auto gSize(dx.v()*AVec<>(size));
85 
86 
87  std::cout << "Flow: Data initialization...";
88 
89  asl::Block block(size,dx.v());
90 
91  auto cylindersMapMem(asl::generateDataContainerACL_SP<FlT>(block, 1, 1u));
92  asl::initData(cylindersMapMem, generateOrderedCylinders(block));
93 
94 
95  std::cout << "Finished" << endl;
96 
97  std::cout << "Flow: Numerics initialization...";
98 
99  asl::SPLBGK lbgk(new asl::LBGK(block,
100  acl::generateVEConstant(FlT(nuNum.v())),
101  &asl::d3q15()));
102 
103  lbgk->init();
104  asl::SPLBGKUtilities lbgkUtil(new asl::LBGKUtilities(lbgk));
105  lbgkUtil->initF(acl::generateVEConstant(.0,.0,.0));
106 
107  auto bcNoSlip(generateBCNoSlip(lbgk,{asl::Y0, asl::YE, asl::Z0, asl::ZE}));
108  auto bcNoSlipM(generateBCNoSlip(lbgk, cylindersMapMem));
109  auto bcNoSlipV(generateBCNoSlipVel(lbgk, cylindersMapMem));
112 
113  addSliceX0(bcIn);
114  addSliceXE(bcOut);
115 
116  bcNoSlip->init();
117  bcNoSlipM->init();
118  bcNoSlipV->init();
119  bcIn.init();
120  bcOut.init();
121 
122  std::cout << "Finished" << endl;
123  std::cout << "Computing...";
124  asl::Timer timer;
125 
126  asl::WriterVTKXML writer("flow3Res");
127  writer.addScalars("map", *cylindersMapMem);
128  writer.addScalars("rho", *lbgk->getRho());
129  writer.addVector("v", *lbgk->getVelocity());
130 
131 
132 
133  bcIn.execute();
134  bcOut.execute();
135  bcNoSlip->execute();
136  bcNoSlipM->execute();
137 
138  bcNoSlipV->execute();
139  writer.write();
140 
141  timer.start();
142  for (unsigned int i(0); i < 1000; ++i)
143  {
144  lbgk->execute();
145  bcIn.execute();
146  bcOut.execute();
147  bcNoSlip->execute();
148  bcNoSlipM->execute();
149  if (!(i%100))
150  {
151  cout << i << endl;
152  bcNoSlipV->execute();
153  writer.write();
154  }
155  }
156  timer.stop();
157 
158 
159  cout << "Finished" << endl;
160 
161  cout << "Computation statistic:" << endl;
162  cout << "Real Time = " << timer.realTime() << "; Processor Time = "
163  << timer.processorTime() << "; Processor Load = "
164  << timer.processorLoad() * 100 << "%" << endl;
165 
166  return 0;
167 }
asl::SPDistanceFunction generateOrderedCylinders(asl::Block &block)
Definition: flow3.cc:48
void addSliceX0(BCond &)
void addSliceXE(BCond &)
const double realTime() const
Definition: aslTimer.h:45
int main(int argc, char *argv[])
Definition: flow3.cc:69
std::shared_ptr< DistanceFunction > SPDistanceFunction
Definition: aslGeomInc.h:44
const DV & getSize() const
Definition: aslBlocks.h:208
const double processorTime() const
Definition: aslTimer.h:46
AVec< T > makeAVec(T a1)
Numerical method for fluid flow.
Definition: aslLBGK.h:77
float FlT
Definition: flow3.cc:41
const T & v() const
Definition: aslUValue.h:43
void addVector(std::string name, AbstractData &data)
virtual void execute()
Executes the numerical procedure.
SPDistanceFunction generateDFCylinderInf(double r, const AVec< double > &l, const AVec< double > &c)
generates infinite cylinder
asl::UValue< double > Param
Definition: flow3.cc:43
std::shared_ptr< LBGKUtilities > SPLBGKUtilities
Definition: aslLBGK.h:161
std::shared_ptr< LBGK > SPLBGK
Definition: aslLBGK.h:133
const VectorTemplate & d3q15()
Vector template.
virtual void init()
Builds the necesery internal data and kernels.
acl::VectorOfElements dx(const TemplateVE &a)
differential operator
void initData(SPAbstractData d, double a)
Bondary condition corresponding an in- or outflow boundary conditions with a given pressure.
Definition: aslLBGKBC.h:79
void addScalars(std::string name, AbstractData &data)
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)