flow2.cc

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/*
 * Advanced Simulation Library <http://asl.org.il>
 * 
 * Copyright 2015 Avtech Scientific <http://avtechscientific.com>
 *
 *
 * This file is part of Advanced Simulation Library (ASL).
 *
 * ASL is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, version 3 of the License.
 *
 * ASL is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with ASL. If not, see <http://www.gnu.org/licenses/>.
 *
 */
 

 
#include <utilities/aslParametersManager.h>
#include <aslDataInc.h>
#include <math/aslTemplates.h>
#include <aslGeomInc.h>
#include <acl/aclGenerators.h>
#include <writers/aslVTKFormatWriters.h>
#include <num/aslLBGK.h>
#include <num/aslLBGKBC.h>
#include <utilities/aslTimer.h>
#include <acl/aclUtilities.h>
 
 
 
typedef float FlT;
//typedef double FlT;
typedef asl::UValue<double> Param;
 
using asl::AVec;
using asl::makeAVec;
 
asl::SPDistanceFunction generateMirror(double x, double y)
{
  double hCyl (10.);
  double rCyl (1.5);
  double a(10.);
  double b(6.);
  vector<AVec<>> rect({.5*makeAVec( .866*a,-b,-a*.5),.5*makeAVec(-.866*a,-b, a*.5),
                       .5*makeAVec(-.866*a, b, a*.5),.5*makeAVec( .866*a, b,-a*.5)});
  vector<AVec<>> r1(rect.size());
  vector<AVec<>> r2(rect.size());
  auto r1C(makeAVec(x,y+rCyl*.5+b*.5,hCyl));
  auto r2C(makeAVec(x,y-rCyl*.5-b*.5,hCyl));
  for(unsigned int i(0); i<rect.size();++i)
  {
    r1[i]=r1C + rect[i];
    r2[i]=r2C + rect[i];
  }
  
  auto res(asl::generateDFConvexPolygonPrism(r1) | generateDFConvexPolygonPrism(r2));
  res = (res & 
       generateDFPlane(makeAVec(.5,0.,.866), r1C + makeAVec(rCyl,0.,0.)) &
       generateDFPlane(makeAVec(-.5,0.,-.866), r1C - makeAVec(rCyl,0.,0.))) |
       generateDFCylinder(rCyl, makeAVec(0.,0.,hCyl), makeAVec(x,y,hCyl*.5));
  return res;
}
 
asl::SPDistanceFunction generateMirrors()
{
  vector<double> xValues;
  vector<double> yValues;
 
  for(unsigned int i(0); i < 8; ++i)
    for(unsigned int j(0); j < 10; ++j)
    {
      xValues.push_back(25.+ 20.*i);
      yValues.push_back(25.+ 15.*j);
    }
 
  auto res(generateMirror(xValues[0], yValues[0]));
  for(unsigned int i(1); i < xValues.size(); ++i)
    res = res | generateMirror(xValues[i], yValues[i]);
 
  return res;
}
 
 
int main(int argc, char* argv[])
{
  // Optionally add appParamsManager to be able to manipulate at least
  // hardware parameters(platform/device) through command line/parameters file
  asl::ApplicationParametersManager appParamsManager("flow2",
                                                     "1.0");
  appParamsManager.load(argc, argv);
 
  Param dx(1.);
  Param dt(1.);
  Param nu(.0125);
 
  Param nuNum(nu.v()*dt.v()/dx.v()/dx.v());
  AVec<int> size(asl::makeAVec(200,200,25));
 
  AVec<> gSize(dx.v()*AVec<>(size));
 
  
  std::cout << "Data initialization... ";
 
  asl::Block block(size,dx.v());
 
  auto mirrorsMapMem(asl::generateDataContainerACL_SP<FlT>(block, 1, 1u));
  asl::initData(mirrorsMapMem, generateMirrors());
 
  std::cout << "Finished" << endl;
  
  std::cout << "Numerics initialization... ";
 
  asl::SPLBGK lbgk(new asl::LBGK(block, 
                       acl::generateVEConstant(FlT(nuNum.v())),  
                       &asl::d3q15()));
  
  lbgk->init();
  asl::SPLBGKUtilities lbgkUtil(new asl::LBGKUtilities(lbgk));
  lbgkUtil->initF(acl::generateVEConstant(.0,.0,.0));
//  lbgkUtil->initF(acl::generateVEConstant(.1), acl::generateVEConstant(.0,.0,.0));
 
  auto bcNoSlip(generateBCNoSlip(lbgk,{asl::Y0, asl::YE, asl::Z0}));
  auto bcNoSlipM(generateBCNoSlip(lbgk, mirrorsMapMem));
  auto bcNoSlipV(generateBCNoSlipVel(lbgk, mirrorsMapMem));
  auto bcP(asl::generateBCConstantPressure(lbgk, 1., {asl::X0, asl::XE}));
  auto bcTop(asl::generateBCConstantVelocity(lbgk, asl::makeAVec(0.1,0.,0.), {asl::ZE}));
 
  bcNoSlip->init();
  bcNoSlipM->init();
  bcNoSlipV->init();
  bcP->init();
  bcTop->init();
 
  std::cout << "Finished" << endl;
  std::cout << "Computing...";
  asl::Timer timer;
 
  asl::WriterVTKXML writer("flow2");
  writer.addScalars("map", *mirrorsMapMem);
  writer.addScalars("rho", *lbgk->getRho());
  writer.addVector("v", *lbgk->getVelocity());
 
 
 
  bcP->execute();
  bcTop->execute();
  bcNoSlip->execute();
  bcNoSlipM->execute();
 
  bcNoSlipV->execute();
  writer.write();
 
  timer.start();
  for (unsigned int i(0); i < 1000  ; ++i)
  {
    lbgk->execute();
    bcP->execute();
    bcTop->execute();
    bcNoSlip->execute();
    bcNoSlipM->execute();
    if (!(i%100))
    {
      cout <<  i  << endl;
      bcNoSlipV->execute();
      writer.write();
    }
  }
  timer.stop();
  
  
  cout << "Finished" << endl; 
 
  cout << "Computation statistic:" << endl;
  cout << "Real Time = " << timer.realTime() << "; Processor Time = "
     << timer.processorTime() << "; Processor Load = "
     << timer.processorLoad() * 100 << "%" << endl;
 
  return 0;
}