flow.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;
 
 
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("flow",
                                                     "1.0");
  appParamsManager.load(argc, argv);
 
  Param dx(1.);
  Param dt(1.);
  Param nu(.00625);
 
  Param nuNum(nu.v()*dt.v()/dx.v()/dx.v());
  AVec<int> size(asl::makeAVec(300, 50, 50));
 
  auto gSize(dx.v()*AVec<>(size));
 
  
  std::cout << "Data initialization... ";
 
  asl::Block block(size,dx.v());
 
  auto ball(generateDFCylinderInf(.125*gSize[1],
                               makeAVec(0.,1.,0.),
                               .45*makeAVec(gSize[1],gSize[1],gSize[2])));
  // Formula
  auto ballMap(asl::generateDataContainer_SP(block, ball, 1u, acl::typeToTypeID<FlT>()));
  // Data
  auto ballMapMem(asl::generateDataContainerACL_SP<FlT>(block, 1, 1u));
  asl::initData(ballMapMem, ball);
 
  
  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));
  // Initialization of lbgk
  lbgkUtil->initF(acl::generateVEConstant(.0,.0,.0));
//  lbgkUtil->initF(acl::generateVEConstant(.1), acl::generateVEConstant(.0,.0,.0));
 
  std::vector<asl::SPNumMethod> bc;
  std::vector<asl::SPNumMethod> bcVis;
  
  bc.push_back(asl::generateBCConstantPressure(lbgk, 1.2, {asl::X0}));
  bc.push_back(asl::generateBCConstantPressure(lbgk, 0.8, {asl::XE}));
  bc.push_back(generateBCNoSlip(lbgk, {asl::Y0, asl::YE, asl::Z0, asl::ZE}));
  bc.push_back(generateBCNoSlip(lbgk, ballMap));
  bcVis.push_back(generateBCNoSlipVel(lbgk, ballMap));
 
  initAll(bc);
  initAll(bcVis);
 
  std::cout << "Finished" << endl;
  std::cout << "Computing...";
  asl::Timer timer;
 
  asl::WriterVTKXML writer("flow");
  writer.addScalars("map", *ballMapMem);
  writer.addScalars("rho", *lbgk->getRho());
  writer.addVector("v", *lbgk->getVelocity());
 
 
 
  executeAll(bc);
  executeAll(bcVis);
  writer.write();
 
  timer.start();
  for (unsigned int i(1); i < 1001; ++i)
  {
    lbgk->execute();
    executeAll(bc);
    if (!(i%5000))
    {
      cout << i << endl;
      executeAll(bcVis);
      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;
}