public FrictionAndTorqueSimulator(SpecificMassEllipse disk, double v0, double omega0, double coOfKineticFriction)
 {
     _disk   = disk;
     _v0     = v0;
     _omega0 = omega0;
     _coOfKineticFriction = coOfKineticFriction;
 }
 public AngularMomentumSimulation(SpecificMassEllipse disk, IntervalIndexer <Polynomial> omegat, IntervalIndexer <Polynomial> anglet, IntervalIndexer <Polynomial> vt, IntervalIndexer <Polynomial> xt)
 {
     _disk   = disk;
     _omegat = omegat;
     _anglet = anglet;
     _vt     = vt;
     _xt     = xt;
 }
 public TorqueSimulator(SpecificMassEllipse disc, double angularVel0, double force)
 {
     _disc        = disc;
     _angularVel0 = angularVel0;
     _force       = force;
 }