Tutorial5.cpp

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//Copyright (c) 2013-2014, The MercuryDPM Developers Team. All rights reserved.
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// Tutorial 5

/*
** 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>

class Tutorial5 : public Mercury3D
{
  public:

  void setupInitialConditions()
  { 
    BaseParticle p0;
 
    p0.setRadius(0.005); //particle-1 radius
    p0.setPosition(Vec3D(0.25*getXMax(),0.5*getYMax(),0.5*getZMax()));
    p0.setVelocity(Vec3D(0.25,0.0,0.0));
    particleHandler.copyAndAddObject(p0); // 1st particle created

    p0.setRadius(0.005); // particle-2 radius
    p0.setPosition(Vec3D(0.75*getXMax(),0.5*getYMax(),0.5*getZMax()));
    p0.setVelocity(Vec3D(-0.25,0.0,0.0));
    particleHandler.copyAndAddObject(p0); // 2nd particle created
  }

};

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

  // Problem setup
  Tutorial5 problem;

  problem.setName("Tutorial5");
  problem.setSystemDimensions(3);
  problem.setGravity(Vec3D(0.0,0.0,0.0));
  problem.setXMax(0.5);
  problem.setYMax(0.25);
  problem.setZMax(0.5);
  problem.setTimeMax(2.0);

  // The normal spring stiffness and normal dissipation is computed and set as 
  // For collision time tc=0.005 and restitution coefficeint rc=1.0, 
  auto species = problem.speciesHandler.copyAndAddObject(LinearViscoelasticSpecies());
  species->setDensity(2500.0); // sets the species type-0 density
  species->setStiffness(258.5);// sets the spring stiffness
  species->setDissipation(0.0);// 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 -s .85");   

  problem.setTimeStep(.005/50.0); // (collision time)/50.0
  problem.solve(argc, argv);
  
  return 0;
}