FrictionInteraction.h

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// This file is part of the MercuryDPM project (https://www.mercurydpm.org).
// Copyright (c), The MercuryDPM Developers Team. All rights reserved.
// License: BSD 3-Clause License; see the LICENSE file in the root directory.
 
#ifndef FrictionInteraction_H
#define FrictionInteraction_H
 
#include "SlidingFrictionInteraction.h"
#include "Math/Vector.h"
 
class BaseParticle;
 
class FrictionSpecies;
 
class BaseInteractable;
 
class FrictionInteraction : public SlidingFrictionInteraction
{
public:
    typedef FrictionSpecies SpeciesType;
    
    FrictionInteraction(BaseInteractable* P, BaseInteractable* I, unsigned timeStamp);
    
    //used for mpi
    FrictionInteraction();
    
    FrictionInteraction(const FrictionInteraction& p);
    
    ~FrictionInteraction() override;
    
    void computeFrictionForce();
    
    void read(std::istream& is) override;
    
    void write(std::ostream& os) const override;
    
    void integrate(Mdouble timeStep) override;
    
    Mdouble getElasticEnergy() const override;
    
    std::string getBaseName() const;
    
    const FrictionSpecies* getSpecies() const;
    
    void reverseHistory() override;
    
    void rotateHistory(Matrix3D& rotationMatrix) override;
    
    Vec3D getRollingSpring() const;
    
    Vec3D getTorsionSpring() const;
    
    void setRollingSpring(Vec3D rollingSpring);
    
    void setTorsionSpring(Vec3D torsionSpring);
 
private:
    Vec3D rollingSpring_;
    Vec3D rollingSpringVelocity_;
    Vec3D torsionSpring_;
    Vec3D torsionSpringVelocity_;
};
 
#endif