ChargedBondedSpecies.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 ChargedBondedSpecies_H
#define ChargedBondedSpecies_H
 
#include "Species/AdhesiveForceSpecies/BaseAdhesiveForce.h"
#include "Math/ExtendedMath.h"
#include "Interactions/AdhesiveForceInteractions/ChargedBondedInteraction.h"
 
class ChargedBondedSpecies : public BaseAdhesiveForce
{
public:
    typedef ChargedBondedInteraction InteractionType;
    
    ChargedBondedSpecies();
    
    ChargedBondedSpecies(const ChargedBondedSpecies& s);
    
    ~ChargedBondedSpecies() = default;
    
    void read(std::istream& is);
    
    void write(std::ostream& os) const;
    
    std::string getBaseName() const;
    
    void mix(ChargedBondedSpecies* S, ChargedBondedSpecies* T);
 
//adhesion-specific functions
    
    void setInteractionDistance();
 
//setters and getters
    void setAdhesionStiffness(Mdouble new_k0);
    
    Mdouble getAdhesionStiffness() const;
    
    void setAdhesionForceMax(Mdouble new_f0);
    
    Mdouble getAdhesionForceMax() const;
    
    //function to allows the charge of a particle to be easily accessed
    int getCharge() const;
    
    //allows the user to set the charge possessed by a particle species
    void setCharge(int newCharge);
 
//*********************************************************************************************************************
//******************************ADDING ADDITIONAL FUNCTIONS FOR BOND INTERACTIONS**************************************
//*********************************************************************************************************************
    
    void setBondForceMax(Mdouble new_f0);
    
    Mdouble getBondForceMax() const;
    
    void setBondDissipation(Mdouble disp);
    
    Mdouble getBondDissipation() const;
 
private:
    Mdouble adhesionStiffness_;
    
    Mdouble adhesionForceMax_;
    
    //creating a simple integer flag to denote whether a particle is charged or not
    //the boolean will be 0 if the particle has no charge, 1 if positively charged
    //and -1 if negatively charged
    int charge_;
 
//*********************************************************************************************************************
//******************************ADDING ADDITIONAL VARIABLES FOR BOND INTERACTIONS**************************************
//*********************************************************************************************************************
    
    Mdouble bondForceMax_;
    
    Mdouble bondDissipation_;
 
 
//*********************************************************************************************************************
//****************************ADDING ADDITIONAL VARIABLES VAN DER WAALS INTERACTIONS***********************************
//*********************************************************************************************************************
    //Adding parameters to recreate a highly simplified (but relatively computationally efficient!)
    // van der Waals-like force at short distances
    
    //The maximal strength of the van der Waals force.
    //Note that this should, by definition, be great enough to overcome the maximal repulsive force experienced by
    //a particle, as the net force must be attractive in order to correctly represent vand der Waals
    Mdouble vanDerWaalsForceMax_;
    
    //The stiffness used to determine the 'reach' of the van der Waals force applied to particles.
    Mdouble vanDerWaalsStiffness_;
 
public:
    //Declaring the relevant get and set functions for the van der Waals stiffness and maximal force
    Mdouble getVanDerWaalsStiffness() const;
    
    Mdouble getVanDerWaalsForceMax() const;
    
    void setVanDerWaalsStiffness(Mdouble);
    
    void setVanDerWaalsForceMax(Mdouble);
    
    
};
 
#endif