//sets initial particle positions
    void setupInitialConditions()
    {
        //centrifugal acc. a=v^2/R;
        Mdouble R = 4.0;
        BaseParticle p;
        p.setSpecies(speciesHandler.getObject(0));
        p.setRadius(0.5);
        p.setPosition({R,0.5,0});
        particleHandler.copyAndAddObject(p);

        p.setRadius(0.5);
        p.setPosition({R,-0.5,0});
        //p.setVelocity({-sqrt(R)*s,sqrt(R)*c,0});
        p.setAngularVelocity({0,0,1});
        particleHandler.copyAndAddObject(p);
    }
	void setupInitialConditions()
	{
        relVelocity_ = 1e-1;
        setName("AdhesiveForceUnitTest_ParticleWallInteractionWithPlasticForces");

        setSystemDimensions(3);
		setParticleDimensions(3);
		setGravity(Vec3D(0,0,0));

        species->setDensity(2000.0);
        species->setStiffness(1e2);
	    species->setAdhesionStiffness(1e2);
	    species->setAdhesionForceMax(1e-5*species->getAdhesionStiffness());
	    Mdouble R = 1e-3;
        species->setSlidingStiffness(1.2e1);
        species->setSlidingFrictionCoefficient(0.01);
        setTimeStep(5e-6 / 2.0);
        
	    setXMax( 2*R);
		setYMax(   R);
		setZMax(   R);
		setXMin(0);
		setYMin(-R);
		setZMin(-R);
		
        particleHandler.clear();
		BaseParticle P;
		P.setRadius(R);
		P.setPosition(Vec3D(R+species->getInteractionDistance()*1/3,0,0));
		P.setVelocity(Vec3D(-relVelocity_/2,0,0));
		particleHandler.copyAndAddObject(P);
		
   		wallHandler.clear();
		InfiniteWall w;
		w.set(Vec3D(-1, 0, 0), Vec3D(getXMin(), 0, 0));
		wallHandler.copyAndAddObject(w);
     
		setTimeMax(getTimeStep()*250*4);
        setFileType(FileType::ONE_FILE);
		setSaveCount(1);
	}