cubeIncompressibleGravity.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 <aslDataInc.h>
#include <acl/aclGenerators.h>
#include <writers/aslVTKFormatWriters.h>
#include <num/aslFDElasticity.h>
#include <num/aslFDElasticityBC.h>
#include <utilities/aslTimer.h>
#include <utilities/aslParametersManager.h>
#include <math/aslTemplates.h>
#include <acl/aclMath/aclVectorOfElements.h>
#include <aslGeomInc.h>
#include <acl/aclUtilities.h>
 
 
typedef float FlT;
//typedef double FlT;
typedef asl::UValue<FlT> Param;
 
 
int main(int argc, char* argv[])
{
  asl::ApplicationParametersManager appParamsManager("cubeIncompressibleGravity",
                                                     "1.0");
  asl::Parameter<asl::AVec<int> > size("size", "size 3D");
  asl::Parameter<cl_float> dx("dx", "dx");
  asl::Parameter<cl_float> dt("dt", "dt");
  asl::Parameter<cl_float> bulkModulus("bulk_modulus", "bulk modulus");
  asl::Parameter<cl_float> shearModulus("shear_modulus", "shear modulus");
  asl::Parameter<cl_float> rho("rho", "density");
  asl::Parameter<asl::AVec<FlT> > g("g", "gravity vector");
 
  asl::Parameter<unsigned int> tsim("num_iterations", "number of iterations");
  asl::Parameter<unsigned int> tout("num_it_out", "number of iterations between outputs");
  
  appParamsManager.load(argc, argv);
 
  Param bulkModulusNum(bulkModulus.v()/rho.v()/dx.v()/dx.v()*dt.v());
  Param shearModulusNum(shearModulus.v()/rho.v()/dx.v()/dx.v()*dt.v());
 
  asl::AVec<FlT> gNum(g.v()/dx.v()*dt.v());
    
  std::cout << "Data initialization... " << flush;
 
  asl::Block block(size.v(), dx.v());
  auto displacement(asl::generateDataContainerACL_SP<FlT>(block, 3, 1u));
  acl::initData(displacement->getEContainer(), acl::generateVEConstantN(3,0));
 
  auto mapDF(asl::normalize(asl::generateDFInBlock(block, 0), dx.v()));
  auto map(asl::generateDataContainer_SP(block, mapDF, 1u, acl::typeToTypeID<FlT>()));
  auto mapX(asl::generateDataContainerACL_SP<FlT>(block, 1, 1u));
  initData(mapX, mapDF);
 
  
 
  std::cout << "Finished" << endl;
  
  std::cout << "Numerics initialization... " << flush;
 
  auto elasticity(generateFDElasticityStatic(displacement,
                                             bulkModulusNum.v(),
                                             shearModulusNum.v(), 
                                             &asl::d3q15()));
  elasticity->setForce(acl::generateVEConstant(gNum));
  elasticity->init();
 
  std::vector<asl::SPNumMethod> bc;
  bc.push_back(generateBCZeroStress(elasticity, mapX));
  bc.push_back(generateBCZeroStressP(elasticity, mapX));
  bc.push_back(asl::generateBCRigidWall(elasticity, {asl::X0}));
  asl::initAll(bc);
 
  asl::WriterVTKXML writer(appParamsManager.getDir() + "cubeIncompressibleGravity");
  writer.addScalars("map", *mapX);
  writer.addVector("displacement", *displacement);
  writer.addScalars("pressure", *elasticity->getPressureData());
  
  std::cout << "Finished" << endl;
  std::cout << "Computing..." << endl;
  asl::Timer timer, timerBulk, timerBC;
 
  executeAll(bc);
  writer.write();
 
  timer.start();
  timerBulk.reset();
  timerBC.reset();
  for (unsigned int i(0); i < tsim.v(); ++i)
  {
    timerBulk.start();
    elasticity->execute();
    timerBulk.stop();
    timerBC.start();
    executeAll(bc);
    timerBC.stop();   
    if(!(i % tout.v()))
    {
      cout << i << endl;
      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;
 
  cout << "timeBulk=" << timerBulk.realTime() << 
    "; timeBC=" << timerBC.realTime() << endl;
 
  return 0;
}