Tutorial8.cpp

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//Copyright (c) 2013-2014, The MercuryDPM Developers Team. All rights reserved.
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// Tutorial 8

/*
** 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>
#include <Walls/IntersectionOfWalls.h>

class Tutorial8 : public Mercury3D
{
  public:

  void setupInitialConditions()
  { 
    BaseParticle p0;
    p0.setRadius(0.005);
    p0.setPosition(Vec3D(0.15*getXMax(),0.3335*getYMax(),0.0));
    p0.setVelocity(Vec3D(1.2,0.2,0.0));
    particleHandler.copyAndAddObject(p0);

    InfiniteWall w0;

    w0.set(Vec3D(1.0,0.0,0.0),Vec3D(getXMax(), 0.0, 0.0));
    wallHandler.copyAndAddObject(w0);

    w0.set(Vec3D(-1.0,0.0,0.0),Vec3D(getXMin(), 0.0, 0.0));
    wallHandler.copyAndAddObject(w0);
 
    w0.set(Vec3D(0.0,1.0,0.0),Vec3D(0.0, getYMax(), 0.0));
    wallHandler.copyAndAddObject(w0);

    w0.set(Vec3D(0.0,-1.0,0.0),Vec3D(0.0, getYMin(), 0.0));
    wallHandler.copyAndAddObject(w0);

    IntersectionOfWalls w1;
    w1.addObject(Vec3D(-1.0,0.0,0.0),Vec3D(0.75*getXMax(),0.0,0.0));
    w1.addObject(Vec3D(1.0,0.0,0.0),Vec3D(0.25*getXMax(),0.0,0.0));
    w1.addObject(Vec3D(0.0,-1.0,0.0),Vec3D(0.0,0.75*getYMax(),0.0));
    w1.addObject(Vec3D(0.0,1.0,0.0),Vec3D(0.0,0.25*getYMax(),0.0));
    wallHandler.copyAndAddObject(w1);
  }

};

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

  // Problem setup
  Tutorial8 problem; // instantiate an object of class Tutorial 8
 
  problem.setName("Tutorial8");
  problem.setSystemDimensions(2);
  problem.setGravity(Vec3D(0.0,0.0,0.0));
  problem.setXMax(0.5);
  problem.setYMax(0.5);
  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=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;
}