ExtremeOverlapWithWallsUnitTest.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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//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.
//
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#include "DPMBase.h"
#include "Particles/BaseParticle.h"
#include "Walls/InfiniteWall.h"
#include <iostream>
#include <Species/LinearViscoelasticSpecies.h>
#include <Logger.h>

class ExtremeOverlapWithWallsUnitTest : public DPMBase{
public:
    
    void setupInitialConditions()
    {
        Mdouble r0=0.004, r1=0.001;

        setZMax(2.0*(r0+r1));
        setZMin(0.0);
        setYMax(r0);
        setYMin(-r0);
        setXMax(r0);
        setXMin(-r0);

        InfiniteWall w0;
        w0.set(Vec3D(0,0,-1), Vec3D(0,0,0));
        wallHandler.copyAndAddObject(w0);
        w0.set(Vec3D(0,0,1),  Vec3D(0,0,getZMax()));
        //should be set to 0.005*sin(2*pi*t/0.02))
        //w0.setVelocity(Vec3D(0.0,0.0,-constants::pi/2.0));
        w0.setPrescribedPosition([this] (double time)
        {
            return Vec3D(0.0,0.0,getZMax() - 0.005 * std::sin(time * 2.0 * constants::pi/0.02));
        });
        wallHandler.copyAndAddObject(w0);
        
        BaseParticle p0;
        p0.setPosition(Vec3D(0,0,r0));
        p0.setVelocity(Vec3D(0.0,0.0,0.0));
        p0.setRadius(r0);
        particleHandler.copyAndAddObject(p0);
        p0.setPosition(Vec3D(0,0,r0+r0+r1));
        p0.setVelocity(Vec3D(0.0,0.0,0.0));
        p0.setRadius(r1);
        particleHandler.copyAndAddObject(p0);
    }
    
//    void printTime() const
//  {
//        if (interactionHandler.getNumberOfObjects()>1)
//        std::cout 
//        << getTime() << " "
//        << particleHandler.getObject(0)->getPosition().Z << " "
//        << particleHandler.getObject(1)->getPosition().Z << " "
//        << interactionHandler.getObject(1)->getContactPoint().Z <<std::endl;
//    }

};

int main(int argc, char *argv[])
{
    ExtremeOverlapWithWallsUnitTest OverlapProblem;
    auto species = OverlapProblem.speciesHandler.copyAndAddObject(LinearViscoelasticSpecies());
    species->setDensity(2000);
    species->setStiffness(1e5);
    species->setDissipation(1e-2);
    OverlapProblem.setName("ExtremeOverlapWithWallsUnitTest");
    OverlapProblem.setFileType(FileType::NO_FILE);
    OverlapProblem.dataFile.setFileType(FileType::ONE_FILE);
    OverlapProblem.setSaveCount(1000);
    OverlapProblem.setDimension(3);
    OverlapProblem.setTimeStep(1e-7);
    OverlapProblem.setTimeMax(0.01);
    // OverlapProblem.dataFile.getFstream().precision(10);
    OverlapProblem.solve(argc,argv);
    
    Vec3D position = OverlapProblem.particleHandler.getObject(0)->getPosition();
    Vec3D positionToCompare = Vec3D(0, -0.0004900098000491, 0.004008957617341);
    if (!position.isEqualTo(positionToCompare, 1e-10))
        logger(FATAL,"Large particle is in the wrong position. It is at % and should be %",position,positionToCompare);
    else
        std::cout << "Test passed" << std::endl;
    position = OverlapProblem.particleHandler.getObject(1)->getPosition();
    positionToCompare = Vec3D(0, -0.0004900098000491, 0.009004578797915);
    //std::cout.precision(13); std::cout << position << std::endl;
    if (!position.isEqualTo(positionToCompare, 1e-10))
        logger(FATAL,"Large particle is in the wrong position. It is at % and should be %",position,positionToCompare);
    else
        std::cout << "Test passed" << std::endl;

    return 0;
}