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ParhamiMcMeekingSinterInteraction.cc
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25 
26 
29 #include "Particles/BaseParticle.h"
30 #include "InteractionHandler.h"
31 #include <iomanip>
32 #include <fstream>
33 
40  unsigned timeStamp)
41  : BaseInteraction(P, I, timeStamp)
42 {
43 #ifdef DEBUG_CONSTRUCTOR
44  std::cout<<"ParhamiMcMeekingSinterInteraction::ParhamiMcMeekingSinterInteraction() finished"<<std::endl;
45 #endif
46 }
47 
52  : BaseInteraction(p)
53 {
54 #ifdef DEBUG_CONSTRUCTOR
55  std::cout<<"ParhamiMcMeekingSinterInteraction::ParhamiMcMeekingSinterInteraction(const ParhamiMcMeekingSinterInteraction &p finished"<<std::endl;
56 #endif
57 }
58 
60 {
61 #ifdef MERCURY_USE_MPI
62  logger(FATAL,"ParhamiMcMeekingSinterInteractions are currently not implemented in parallel MercuryDPM");
63 #endif
64 
65 }
66 
71 {
72 #ifdef DEBUG_DESTRUCTOR
73  std::cout<<"ParhamiMcMeekingSinterInteraction::~ParhamiMcMeekingSinterInteraction() finished"<<std::endl;
74 #endif
75 }
76 
81 {}
82 
87 {}
88 
93 {
94  //std::cout << "ParhamiMcMeekingSinterInteraction::computeAdhesionForce" << std::endl;
95  const SpeciesType* species = getSpecies();
96  Mdouble effectiveDiameter = 2.0 * getEffectiveRadius(); // effectiveRadius = (r1*r2)/(r1+r2)
97  Mdouble contactRadiusSquared = 2.0 * effectiveDiameter * getOverlap();
98  Vec3D tangentialRelativeVelocity = getRelativeVelocity() - getNormal() * getNormalRelativeVelocity();
99 
100  //viscous force is viscosityCoefficient_*contactRadius^4*normalRelativeVelocity
101  //adhesion force is adhesionCoefficient_*radius
102  Mdouble normalForce = -species->getAdhesionCoefficient() * effectiveDiameter
103  - species->getViscosityCoefficient() * contactRadiusSquared * contactRadiusSquared *
105  //tangential force is slidingFrictionCoefficient_*contactRadius^2*radius*tangentialRelativeVelocity
106  Vec3D tangentialForce = -species->getSlidingFrictionCoefficient() * contactRadiusSquared * effectiveDiameter *
107  tangentialRelativeVelocity;
108  //std::cout << "P" << species->getAdhesionCoefficient() << species->getViscosityCoefficient() << species->getSlidingFrictionCoefficient() << std::endl;
109  Mdouble attractiveForce = -species->getAdhesionCoefficient() * effectiveDiameter;
110  //std::cout << effectiveDiameter << "Fs=" << species->getAdhesionCoefficient() * effectiveDiameter
111  //<< " Fv/del/del/del=" << 4.0*species->getViscosityCoefficient()*effectiveDiameter*effectiveDiameter << std::endl;
112  //<< species->getViscosityCoefficient() << " d" <<contactRadiusSquared<< " d" <<getNormalRelativeVelocity() << std::endl;
113  addForce(getNormal() * normalForce + tangentialForce);
114 }
115 
121 {
122  return 0.0;
123 }
124 
129 {
130  return static_cast<const SpeciesType*> (getBaseSpecies()->getAdhesiveForce()); //downcast
131 }
132 
137 {
138  return "ParhamiMcMeekingSinter";
139 }
Mdouble getEffectiveRadius() const
Returns a Mdouble to the effective radius of the interaction. (Not corrected for the overlap) ...
Logger< MERCURY_LOGLEVEL > logger("MercuryKernel")
double Mdouble
Definition: GeneralDefine.h:34
BaseAdhesiveForce * getAdhesiveForce() const
Definition: BaseSpecies.h:152
void read(std::istream &is) override
Interaction read function, which accepts an std::istream as input.
const Vec3D & getRelativeVelocity() const
Returns a constant reference to a vector of relative velocity.
Mdouble getElasticEnergy() const override
Returns the amount of Elastic energy involved in an interaction. Basically used in case you want to w...
Stores information about interactions between two interactable objects; often particles but could be ...
const Vec3D & getNormal() const
Gets the normal vector between the two interacting objects.
ParhamiMcMeekingSinterSpecies contains the parameters used to describe a linear reversible short-rang...
Mdouble getNormalRelativeVelocity() const
Returns a double which is the norm (length) of the relative velocity vector.
std::string getBaseName() const
Returns the name of the interaction, see Interaction.h.
const BaseSpecies * getBaseSpecies() const
Return a constant point to BaseSpecies of the interaction.
#define UNUSED
Definition: GeneralDefine.h:39
Mdouble getOverlap() const
Returns a Mdouble with the current overlap between the two interacting objects.
void addForce(Vec3D force)
add an force increment to the total force.
const SpeciesType * getSpecies() const
Returns a pointer to the adhesive force species ReversibleAdhesiveSpecies.
void computeAdhesionForce()
Computes the adhesive forces.
void write(std::ostream &os) const override
Interaction print function, which accepts an std::ostream as input.
Defines the basic properties that a interactable object can have.
Definition: Vector.h:49