Tutorial4.cpp

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//Copyright (c) 2013-2014, The MercuryDPM Developers Team. All rights reserved.
//For the list of developers, see <http://www.MercuryDPM.org/Team>.
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// Tutorial 4

/*
** This file is annotated with DoxyFile comments in order to show the code on
** the documentation - This is not needed for your real drivers.
** Please ignore these comments.
*/

#include <Species/LinearViscoelasticSpecies.h>
#include <Mercury3D.h>
#include <Particles/BaseParticle.h>
#include <Walls/InfiniteWall.h>

class Tutorial4 : public Mercury3D
{
  public:

  void setupInitialConditions()
  { 
    BaseParticle p0;
    p0.setRadius(0.005);
    p0.setPosition(Vec3D(0.5*getXMax(),0.5*getYMax(),getZMax()));
    p0.setVelocity(Vec3D(0.0,0.0,0.0));
    particleHandler.copyAndAddObject(p0);

    InfiniteWall w0;
    w0.set(Vec3D(0.0,0.0,-1.0),Vec3D(0.0,0.0,getZMin()));
    wallHandler.copyAndAddObject(w0);
  }

};

int main(int argc, char *argv[])
{

  // Problem setup
  Tutorial4 problem;

  problem.setName("Tutorial4");
  problem.setSystemDimensions(3);
  problem.setGravity(Vec3D(0.0,0.0,-9.81));
  problem.setXMax(1.0);
  problem.setYMax(1.0);
  problem.setZMax(2.0);
  problem.setTimeMax(5.0);

  // The normal spring stiffness and normal dissipation is computed and set as 
  // For collision time tc=0.005 and restitution coefficeint rc=0.88, 
  auto species = problem.speciesHandler.copyAndAddObject(LinearViscoelasticSpecies());
  species->setDensity(2500.0); // sets the species type-0 density
  species->setStiffness(259.0159);// sets the spring stiffness
  species->setDissipation(0.0334);// sets the dissipation

  problem.setSaveCount(10);
  problem.dataFile.setFileType(FileType::ONE_FILE);
  problem.restartFile.setFileType(FileType::ONE_FILE);
  problem.fStatFile.setFileType(FileType::NO_FILE);
  problem.eneFile.setFileType(FileType::NO_FILE);

  problem.setXBallsAdditionalArguments("-solidf -v0");  

  problem.setTimeStep(0.005/50.0); // (collision time)/50.0
  problem.solve(argc, argv);

  return 0;
}