Tutorial9.cpp

Go to the documentation of this file.

//Copyright (c) 2013-2014, The MercuryDPM Developers Team. All rights reserved.
//For the list of developers, see <http://www.MercuryDPM.org/Team>.
//
//Redistribution and use in source and binary forms, with or without
//modification, are permitted provided that the following conditions are met:
//  * Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//  * Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//  * Neither the name MercuryDPM nor the
//    names of its contributors may be used to endorse or promote products
//    derived from this software without specific prior written permission.
//
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
//ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
//WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
//DISCLAIMED. IN NO EVENT SHALL THE MERCURYDPM DEVELOPERS TEAM BE LIABLE FOR ANY
//DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
//(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
//ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
//(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
//SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// Tutorial 9

/*
** 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/LinearViscoelasticFrictionSpecies.h>
#include <Mercury3D.h>
#include <Particles/BaseParticle.h>
#include <Walls/InfiniteWall.h>

class Tutorial9 : public Mercury3D
{
  public:

  void setupInitialConditions()
  { 
    BaseParticle p0;

    p0.setIndSpecies(0); // sets the particle to be as species type-1
    p0.setRadius(0.005);
    p0.setPosition(Vec3D(0.05*getXMax(),0.01*getYMax(),getZMin()+p0.getRadius()));
    p0.setVelocity(Vec3D(0.0,0.0,0.0));
    particleHandler.copyAndAddObject(p0);

    p0.setIndSpecies(1); // sets the particle to species type-2
    p0.setRadius(0.005);
    p0.setPosition(Vec3D(0.05*getXMax(),0.21*getYMax(),getZMin()+p0.getRadius()));
    p0.setVelocity(Vec3D(0.0,0.0,0.0));
    particleHandler.copyAndAddObject(p0);

    p0.setIndSpecies(2); // sets the particle to species type-3
    p0.setRadius(0.005);
    p0.setPosition(Vec3D(0.05*getXMax(),0.41*getYMax(),getZMin()+p0.getRadius()));
    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
  Tutorial9 problem; // instantiate an object of class Tutorial 9

  double angle = constants::pi/180.0*20.0;
  
  problem.setName("Tutorial9");
  problem.setSystemDimensions(3);
  problem.setGravity(Vec3D(sin(angle),0.0,-cos(angle))*9.81);
  problem.setXMax(0.3);
  problem.setYMax(0.3);
  problem.setZMax(0.05);
  problem.setTimeMax(0.5);

  auto species0 = problem.speciesHandler.copyAndAddObject(LinearViscoelasticFrictionSpecies());
  auto species1 = problem.speciesHandler.copyAndAddObject(LinearViscoelasticFrictionSpecies());
  auto species2 = problem.speciesHandler.copyAndAddObject(LinearViscoelasticFrictionSpecies());
  auto species01 = problem.speciesHandler.getMixedObject(species0, species1);
  auto species02 = problem.speciesHandler.getMixedObject(species0, species2);

  // The normal spring stiffness and normal dissipation is computed and set as 
  // For collision time tc=0.005 and restitution coefficeint rc=0.88, 

  species0->setDensity(2500.0); // sets the species type-0 density
  species0->setStiffness(259.018);// sets the spring stiffness
  species0->setSlidingStiffness(2.0/7.0*species0->getStiffness());
  species0->setRollingStiffness(2.0/5.0*species0->getStiffness());
  species0->setDissipation(0.0334);// sets the dissipation
  species0->setSlidingFrictionCoefficient(0.0);
  species0->setRollingFrictionCoefficient(0.0);
  
  species1->setDensity(2500.0); // sets the species type-1 density
  species1->setStiffness(259.018);// sets the spring stiffness
  species1->setDissipation(0.0334);// sets the dissipation
  species1->setSlidingStiffness(2.0/7.0*species1->getStiffness());
  species1->setRollingStiffness(2.0/5.0*species1->getStiffness());
  species1->setSlidingFrictionCoefficient(0.5);
  species1->setRollingFrictionCoefficient(0.0);

  species01->setStiffness(259.018); 
  species01->setDissipation(0.0334);// sets the dissipation
  species01->setSlidingStiffness(2.0/7.0*species01->getStiffness());
  species01->setRollingStiffness(2.0/5.0*species01->getStiffness());
  species01->setSlidingFrictionCoefficient(0.5);
  species01->setRollingFrictionCoefficient(0.0);

  species2->setDensity(2500.0); // sets the species type-2 density
  species2->setStiffness(258.5);// sets the spring stiffness
  species2->setDissipation(0.0);// sets the dissipation
  species2->setSlidingStiffness(2.0/7.0*species2->getStiffness());
  species2->setRollingStiffness(2.0/5.0*species2->getStiffness());
  species2->setSlidingFrictionCoefficient(0.5);
  species2->setRollingFrictionCoefficient(0.5);

  species02->setStiffness(259.018); 
  species02->setDissipation(0.0334);// sets the dissipation
  species02->setSlidingStiffness(2.0/7.0*species02->getStiffness());
  species02->setRollingStiffness(2.0/5.0*species02->getStiffness());
  species02->setSlidingFrictionCoefficient(0.5);
  species02->setRollingFrictionCoefficient(0.5);

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

  problem.setXBallsAdditionalArguments("-solidf -v0 -s 8"); 

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

  return 0;
}