jumpingBox.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>
 
 
typedef float FlT;
//typedef double FlT;
typedef asl::UValue<FlT> Param;
 
 
int main(int argc, char* argv[])
{
  asl::ApplicationParametersManager appParamsManager("jumpingBox", "1.0");
  asl::Parameter<asl::AVec<int> > size(asl::makeAVec<int>(50, 50, 50), "size", "3D size");
  asl::Parameter<cl_float> dx(1e-3, "dx", "dx");
  asl::Parameter<cl_float> dt(1e-5, "dt", "dt");
  asl::Parameter<cl_float> bulkModulus(2.5e6, "bulk_modulus", "bulk modulus");
  asl::Parameter<cl_float> shearModulus(1e6, "shear_modulus", "shear modulus");
  asl::Parameter<cl_float> rho(900, "rho", "density");
  asl::Parameter<asl::AVec<FlT> > g(asl::makeAVec<FlT>(-9.8, 0.0, 0.0), "g", "gravity vector");
 
  asl::Parameter<unsigned int> tsim(2000, "num_iterations", "number of iterations");
  asl::Parameter<unsigned int> tout(100, "num_it_out", "number of iterations between outputs");
  
  appParamsManager.load(argc, argv);
 
  Param bulkModulusNum(bulkModulus.v()/rho.v()/dx.v()/dx.v());
  Param shearModulusNum(shearModulus.v()/rho.v()/dx.v()/dx.v());
 
  asl::AVec<FlT> gNum(g.v()/dx.v());
 
  std::cout << "Data initialization... ";
 
  asl::Block block(size.v(), dx.v());
  auto displacement(asl::generateDataContainerACL_SP<FlT>(block, 3, 1u));
  acl::initData(displacement->getEContainer(), acl::generateVEConstantN(3,0));
 
  asl::WriterVTKXML writer(appParamsManager.getDir() + "jumpingBox");
  writer.addScalars("displacement", *displacement);
  writer.addVector("displacement", *displacement);
  writer.write();
 
  std::cout << "Finished" << endl;
  
  std::cout << "Numerics initialization... ";
 
  asl::SPFDElasticity2 elasticity(new asl::FDElasticity2(displacement,
                                                         acl::generateVEConstant(bulkModulusNum.v()),
                                                         acl::generateVEConstant(shearModulusNum.v()), 
                                                         acl::generateVEConstant(dt.v()),
                                                         &asl::d3q15()));
  elasticity->setForce(acl::generateVEConstant(gNum));
  elasticity->setDumpingFactor(acl::generateVEConstant(.90));
  elasticity->init();
 
  asl::BCFreeSurface2 bcFreeSurface(elasticity);
  auto bcRigidWall(generateBCRigidWall(elasticity, {asl::X0}));
 
  addSliceXE(bcFreeSurface);
  addSliceY0(bcFreeSurface);
  addSliceYE(bcFreeSurface);
  addSliceZ0(bcFreeSurface);
  addSliceZE(bcFreeSurface);
 
  bcFreeSurface.init();
  bcRigidWall->init();
 
  std::cout << "Finished" << endl;
  std::cout << "Computing...";
  asl::Timer timer;
 
  bcFreeSurface.execute();
  bcRigidWall->execute();
 
  timer.start();
  for (unsigned int i(0); i < tsim.v(); ++i)
  {
    elasticity->execute();
    bcFreeSurface.execute();
    bcRigidWall->execute();
    if(!(i % tout.v()))
      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;
}