ParhamiMcMeekingSinterSpecies.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 PARHAMIMCMEEKINGSINTERSPECIES_H
#define PARHAMIMCMEEKINGSINTERSPECIES_H
 
#include "Species/AdhesiveForceSpecies/BaseAdhesiveForce.h"
#include "Math/ExtendedMath.h"
#include "Interactions/AdhesiveForceInteractions/ParhamiMcMeekingSinterInteraction.h"
 
class ParhamiMcMeekingSinterSpecies : public BaseAdhesiveForce
{
public:
    typedef ParhamiMcMeekingSinterInteraction InteractionType;
    
    ParhamiMcMeekingSinterSpecies();
    
    ParhamiMcMeekingSinterSpecies(const ParhamiMcMeekingSinterSpecies& s);
    
    ~ParhamiMcMeekingSinterSpecies();
    
    void read(std::istream& is);
    
    void write(std::ostream& os) const;
    
    std::string getBaseName() const;
    
    void mix(ParhamiMcMeekingSinterSpecies* S, ParhamiMcMeekingSinterSpecies* T);
 
//adhesion-specific functions
 
    //setters and getters
    void set(Mdouble alpha, Mdouble beta, Mdouble atomicVolume /*Omega*/, Mdouble surfaceEnergy /*gamma_s*/,
             Mdouble thicknessDiffusion /*deltaB*D0B*/, Mdouble activationEnergy /*QB*/, Mdouble temperature /*T*/,
             Mdouble pseudoSlidingFrictionCoefficient /*\etaPart*/)
    {
        alpha_ = alpha;
        beta_ = beta;
        atomicVolume_ = atomicVolume;
        surfaceEnergy_ = surfaceEnergy;
        thicknessDiffusion_ = thicknessDiffusion;
        activationEnergy_ = activationEnergy;
        temperature_ = temperature;
        pseudoSlidingFrictionCoefficient_ = pseudoSlidingFrictionCoefficient;
        
        Mdouble boltzmannConstant /*k_B*/ = 1.38064852e-23;
        Mdouble gasConstant /*R_g*/ = 8.314459848;
        Mdouble thicknessDiffusionVacancy /*DB*/ =
                thicknessDiffusion_ * exp(-activationEnergy_ / gasConstant / temperature_);
        logger(INFO, "%|%", thicknessDiffusionVacancy, thicknessDiffusion_);
        Mdouble diffusionParameter /*DeltaB*/ =
                atomicVolume_ / boltzmannConstant / temperature_ * thicknessDiffusionVacancy;
        viscosityCoefficient_ = constants::pi / (2.0 * beta * diffusionParameter);
        adhesionCoefficient_ = alpha_ / beta_ * constants::pi * surfaceEnergy_;
        slidingFrictionCoefficient_ =
                pseudoSlidingFrictionCoefficient_ * constants::pi / (2.0 * beta * diffusionParameter);
    }
    
    Mdouble getViscosityCoefficient() const
    { return viscosityCoefficient_; }
    
    Mdouble getAdhesionCoefficient() const
    { return adhesionCoefficient_; }
    
    Mdouble getSlidingFrictionCoefficient() const
    { return slidingFrictionCoefficient_; }
 
private:
    
    Mdouble alpha_;
    Mdouble beta_;
    Mdouble atomicVolume_; /*Omega*/
    Mdouble surfaceEnergy_; /*gamma_s*/
    Mdouble thicknessDiffusion_; /*deltaB*D0B*/
    Mdouble activationEnergy_; /*QB*/
    Mdouble temperature_; /*T*/
    Mdouble pseudoSlidingFrictionCoefficient_; /*etaPart*/
    
    Mdouble viscosityCoefficient_;
    
    Mdouble adhesionCoefficient_;
    
    Mdouble slidingFrictionCoefficient_;
};
 
#endif