revision: v0.14
LinearPlasticViscoelasticInteraction Class Reference

Computes normal forces in case of a linear plastic visco-elastic interaction. More...

#include <LinearPlasticViscoelasticInteraction.h>

+ Inheritance diagram for LinearPlasticViscoelasticInteraction:

Public Types

typedef LinearPlasticViscoelasticNormalSpecies SpeciesType
 An alias for the species (needed for e.g. ThermalSpecies) More...
 

Public Member Functions

 LinearPlasticViscoelasticInteraction (BaseInteractable *P, BaseInteractable *I, unsigned timeStamp)
 Constructor. More...
 
 LinearPlasticViscoelasticInteraction ()
 
 LinearPlasticViscoelasticInteraction (const LinearPlasticViscoelasticInteraction &p)
 Copy constructor. More...
 
 ~LinearPlasticViscoelasticInteraction () override
 Destructor. More...
 
void computeNormalForce ()
 Creates a copy of an object of this class. (Deep copy) More...
 
void read (std::istream &is) override
 Interaction read function, which accepts an std::istream as input. More...
 
void write (std::ostream &os) const override
 Interaction write function, which accepts an std::ostream as input. More...
 
virtual std::string getBaseName () const
 Returns the name of the interaction. More...
 
Mdouble getElasticEnergy () const override
 Computes and returns the amount of elastic energy stored in the spring. More...
 
const LinearPlasticViscoelasticNormalSpeciesgetSpecies () const
 
Mdouble getMaxOverlap () const
 
void setMaxOverlap (Mdouble maxOverlap)
 
Mdouble getUnloadingStiffness () const
 
- Public Member Functions inherited from BaseInteraction
 BaseInteraction (BaseInteractable *P, BaseInteractable *I, unsigned timeStamp)
 A constructor takes the BaseInteractable objects which are interacting (come into contact) and time the interaction starts. More...
 
 BaseInteraction ()
 
 BaseInteraction (const BaseInteraction &p)
 Copy constructor. More...
 
 ~BaseInteraction () override
 The destructor. It removes this interactions from the objects that were interacting, and writes the time to a file when needed. More...
 
virtual void actionsOnErase ()
 If an interaction needs to do something before it gets erased, add it here. E.g. Liquid bridges rupture at the end of their lifetime, and the liquid bridge volume has to be redistributed. The reason this action is not done in the destructor is that this action should not be taken when erasing ghost interactions. More...
 
virtual void computeForce ()
 Virtual function that contains the force law between the two objects interacting. More...
 
void writeToFStat (std::ostream &os, Mdouble time) const
 Writes forces data to the FStat file. More...
 
std::string getName () const override
 Virtual function which allows interactions to be named. More...
 
void setDistance (Mdouble distance)
 Sets the interaction distance between the two interacting objects. More...
 
void setNormal (Vec3D normal)
 Sets the normal vector between the two interacting objects. More...
 
void setOverlap (Mdouble overlap)
 Set the overlap between the two interacting object. More...
 
void setContactPoint (Vec3D contactPoint)
 Set the location of the contact point between the two interacting objects. More...
 
void setTimeStamp (unsigned timeStamp)
 Updates the time step of the interacting. Note, time steps used to find completed interactions. More...
 
void setSpecies (const BaseSpecies *species)
 Set the Species of the interaction; note this can either be a Species or MixedSpecies. More...
 
void setP (BaseInteractable *P)
 Sets the first object involved in the interaction (normally a particle). More...
 
void setI (BaseInteractable *I)
 Sets the second object involved in the interaction (often particle or wall). More...
 
void importP (BaseInteractable *P)
 Sets the first object involved in the interaction (normally a particle). More...
 
void importI (BaseInteractable *I)
 Sets the second object involved in the interaction (often particle or wall). More...
 
Vec3D getIP () const
 
Vec3D getIC () const
 
Vec3D getCP () const
 
void setLagrangeMultiplier (Mdouble multiplier)
 
Mdouble getLagrangeMultiplier ()
 
void setHandler (InteractionHandler *handler)
 Sets the pointer to the interaction hander which is storing this interaction. More...
 
InteractionHandlergetHandler () const
 Gets a point to the interaction handlers to which this interaction belongs. More...
 
const Vec3DgetForce () const
 Gets the current force (vector) between the two interacting objects. More...
 
const Vec3DgetTorque () const
 Gets the current torque (vector) between the two interacting objects. More...
 
const Vec3DgetNormal () const
 Gets the normal vector between the two interacting objects. More...
 
const Vec3DgetContactPoint () const
 Gets constant reference to contact point (vector). More...
 
Mdouble getOverlap () const
 Returns a Mdouble with the current overlap between the two interacting objects. More...
 
Mdouble getContactRadius () const
 Returns a Mdouble with the current contact between the two interacting objects. More...
 
void removeFromHandler ()
 Removes this interaction from its interaction hander. More...
 
void copySwitchPointer (const BaseInteractable *original, BaseInteractable *ghost) const
 This copies the interactions of the original particle and replaces the original with the ghost copy. More...
 
void gatherContactStatistics ()
 
BaseInteractablegetP ()
 Returns a pointer to first object involved in the interaction (normally a particle). More...
 
BaseInteractablegetI ()
 Returns a pointer to the second object involved in the interaction (often a wall or a particle). More...
 
const BaseInteractablegetP () const
 Returns a constant pointer to the first object involved in the interaction. More...
 
const BaseInteractablegetI () const
 Returns a constant pointer to the second object involved in the interaction. More...
 
Mdouble getTimeStamp () const
 Returns an Mdouble which is the time stamp of the interaction. More...
 
virtual void integrate (Mdouble timeStep)
 integrates variables of the interaction which need to be integrate e.g. the tangential overlap. More...
 
virtual Mdouble getTangentialOverlap () const
 get the length of the current tangential overlap More...
 
Mdouble getDistance () const
 Returns an Mdouble which is the norm (length) of distance vector. More...
 
const Vec3DgetRelativeVelocity () const
 Returns a constant reference to a vector of relative velocity. More...
 
Mdouble getNormalRelativeVelocity () const
 Returns a double which is the norm (length) of the relative velocity vector. More...
 
Mdouble getAbsoluteNormalForce () const
 Returns the absolute value of the norm (length) of the Normal force vector. More...
 
virtual BaseInteractioncopy () const =0
 Makes a copy of the interaction and returns a pointer to the copy. More...
 
void setFStatData (std::fstream &fstat, BaseParticle *P, BaseWall *I)
 
void setFStatData (std::fstream &fstat, BaseParticle *P, BaseParticle *I)
 
unsigned int getMultiContactIdentifier () const
 
void setMultiContactIdentifier (unsigned int multiContactIdentifier_)
 
virtual void rotateHistory (Matrix3D &rotationMatrix)
 When periodic particles are used, some interactions need certain history properties rotated (e.g. tangential springs). This is the function for that. More...
 
virtual void actionsAfterTimeStep ()
 
virtual unsigned getNumberOfFieldsVTK () const
 
virtual std::string getTypeVTK (unsigned i) const
 
virtual std::string getNameVTK (unsigned i) const
 
virtual std::vector< MdoublegetFieldVTK (unsigned i) const
 
void setForce (Vec3D force)
 set total force (this is used by the normal force, tangential forces are added use addForce) More...
 
const BaseSpeciesgetBaseSpecies () const
 Return a constant point to BaseSpecies of the interaction. More...
 
virtual void createMPIType ()
 
virtual void * createMPIInteractionDataArray (unsigned int numberOfInteractions) const
 
virtual void deleteMPIInteractionDataArray (void *dataArray)
 
virtual void getMPIInteraction (void *historyDataArray, unsigned int index) const
 copies the history interactions into the data array More...
 
virtual void getInteractionDetails (void *interactionDataArray, unsigned int index, unsigned int &identificationP, unsigned int &identificationI, bool &isWallInteraction, unsigned &timeStamp)
 
virtual void setMPIInteraction (void *interactionDataArray, unsigned int index, bool resetPointers)
 
void setBasicMPIInteractionValues (int P, int I, unsigned timeStamp, Vec3D force, Vec3D torque, bool isWallInteraction, bool resetPointers)
 
void setIdentificationP (unsigned int identification)
 
void setIdentificationI (int identification)
 
void setWallInteraction (bool flag)
 
unsigned int getIdentificationP ()
 
int getIdentificationI ()
 
bool isWallInteraction ()
 
virtual bool isBonded () const
 
- Public Member Functions inherited from BaseObject
 BaseObject ()=default
 Default constructor. More...
 
 BaseObject (const BaseObject &p)=default
 Copy constructor, copies all the objects BaseObject contains. More...
 
virtual ~BaseObject ()=default
 virtual destructor More...
 
virtual void moveInHandler (unsigned int index)
 Except that it is virtual, it does the same thing as setIndex() does. More...
 
void setIndex (unsigned int index)
 Allows one to assign an index to an object in the handler/container. More...
 
void setId (unsigned long id)
 Assigns a unique identifier to each object in the handler (container) which remains constant even after the object is deleted from the container/handler. More...
 
unsigned int getIndex () const
 Returns the index of the object in the handler. More...
 
unsigned int getId () const
 Returns the unique identifier of any particular object. More...
 
void setGroupId (unsigned groupId)
 
unsigned getGroupId () const
 

Private Attributes

Mdouble maxOverlap_
 

Additional Inherited Members

- Protected Member Functions inherited from BaseInteraction
virtual const Vec3D getTangentialForce () const
 
Mdouble getEffectiveRadius () const
 Returns a Mdouble to the effective radius of the interaction. (Not corrected for the overlap) More...
 
Mdouble getEffectiveMass () const
 Returns a Mdouble to the effective radius of the interaction. (Not corrected for the overlap) More...
 
void addForce (Vec3D force)
 add an force increment to the total force. More...
 
void addTorque (Vec3D torque)
 
void setTorque (Vec3D torque)
 set the total force (this is used by the normal force, tangential torques are added use addTorque) More...
 
void setRelativeVelocity (Vec3D relativeVelocity)
 set the relative velocity of the current of the interactions. More...
 
void setNormalRelativeVelocity (Mdouble normalRelativeVelocit)
 set the normal component of the relative velocity. More...
 
void setAbsoluteNormalForce (Mdouble absoluteNormalForce)
 the absolute values of the norm (length) of the normal force More...
 
virtual Mdouble getElasticEnergyAtEquilibrium (Mdouble adhesiveForce) const
 
virtual void reverseHistory ()
 When periodic particles some interaction need certain history properties reversing. This is the function for that. More...
 
void writeInteraction (std::ostream &os, bool created) const
 Writes information about a interaction to the interaction file. More...
 

Detailed Description

Computes normal forces in case of a linear plastic visco-elastic interaction.

Member Typedef Documentation

◆ SpeciesType

An alias for the species (needed for e.g. ThermalSpecies)

Constructor & Destructor Documentation

◆ LinearPlasticViscoelasticInteraction() [1/3]

LinearPlasticViscoelasticInteraction::LinearPlasticViscoelasticInteraction ( BaseInteractable P,
BaseInteractable I,
unsigned  timeStamp 
)

Constructor.

Parameters
[in]P
[in]I
[in]timeStamp
42  : BaseInteraction(P, I, timeStamp)
43 {
44  maxOverlap_ = 0;
45 #ifdef DEBUG_CONSTRUCTOR
46  std::cout<<"LinearPlasticViscoelasticInteraction::LinearPlasticViscoelasticInteraction() finished"<<std::endl;
47 #endif
48 }

References maxOverlap_.

◆ LinearPlasticViscoelasticInteraction() [2/3]

LinearPlasticViscoelasticInteraction::LinearPlasticViscoelasticInteraction ( )
52  : BaseInteraction()
53 {
54  maxOverlap_ = 0;
55 #ifdef DEBUG_CONSTRUCTOR
56  std::cout<<"LinearPlasticViscoelasticInteraction::LinearPlasticViscoelasticInteraction() finished"<<std::endl;
57 #endif
58 }

References maxOverlap_.

◆ LinearPlasticViscoelasticInteraction() [3/3]

LinearPlasticViscoelasticInteraction::LinearPlasticViscoelasticInteraction ( const LinearPlasticViscoelasticInteraction p)

Copy constructor.

Parameters
[in]p
65  : BaseInteraction(p)
66 {
68 #ifdef DEBUG_CONSTRUCTOR
69  std::cout<<"LinearPlasticViscoelasticInteraction::LinearPlasticViscoelasticInteraction(const LinearPlasticViscoelasticInteraction &p finished"<<std::endl;
70 #endif
71 }

References maxOverlap_.

◆ ~LinearPlasticViscoelasticInteraction()

LinearPlasticViscoelasticInteraction::~LinearPlasticViscoelasticInteraction ( )
override

Destructor.

77 {
78 #ifdef DEBUG_DESTRUCTOR
79  std::cout<<"LinearPlasticViscoelasticInteraction::~LinearPlasticViscoelasticInteraction() finished"<<std::endl;
80 #endif
81 }

Member Function Documentation

◆ computeNormalForce()

void LinearPlasticViscoelasticInteraction::computeNormalForce ( )

Creates a copy of an object of this class. (Deep copy)

Computes the normal forces due to linear plastic visco elastic interaction.

117 {
118  // Compute the relative velocity vector of particle P w.r.t. I
120  getP()->getVelocityAtContact(getContactPoint()) - getI()->getVelocityAtContact(getContactPoint()));
121  // Compute the projection of vrel onto the normal (can be negative)
123 
124  if (getOverlap() > 0) //if contact forces
125  {
127 
128  //calculate the overlap above which the max. unloading stiffness becomes active (the 'fluid branch')
129  // Modified by Paolo
130  // Previously:
131  // const Mdouble effectiveDiameter = species->getConstantRestitution()?1.0:(2.0 * getEffectiveRadius());
132  // This has been modified so that, independently on whether or not the users sets constant restitution,
133  // this parameter is set to its relative value, i.e. the penetration depth max divided by the radius of a single particle.
134  const Mdouble effectiveDiameter = 2.0 * getEffectiveRadius();
135  const Mdouble deltaStar = (species->getUnloadingStiffnessMax()
136  / (species->getUnloadingStiffnessMax() - species->getLoadingStiffness()))
137  * species->getPenetrationDepthMax() * effectiveDiameter;
138 
139  //increase max overlap if necessary
140  if (getOverlap() > getMaxOverlap())
141  setMaxOverlap(std::min(deltaStar, getOverlap()));
142 
143  //calculate the unloading stiffness
144  const Mdouble unloadingStiffness =
146  (species->getLoadingStiffness() +
147  (species->getUnloadingStiffnessMax() - species->getLoadingStiffness()) * (getMaxOverlap() / deltaStar));
148 
149  //calculate the overlap where the force is zero
150  const Mdouble equilibriumOverlap =
151  (unloadingStiffness - species->getLoadingStiffness()) / unloadingStiffness * maxOverlap_;
152 
153  //compute elastic force
154  Mdouble normalForce = unloadingStiffness * (getOverlap() - equilibriumOverlap);
155 
156  //decrease max overlap if necessary
157  const Mdouble cohesiveForce = -species->getCohesionStiffness() * getOverlap();
158  if (normalForce < cohesiveForce)
159  {
160  setMaxOverlap((unloadingStiffness + species->getCohesionStiffness())
161  / (unloadingStiffness - species->getLoadingStiffness()) * getOverlap());
162  //only necessary because the timeStep is finite:
163  normalForce = cohesiveForce;
164  }
165 
166  //add dissipative force
167  normalForce -= species->getDissipation() * getNormalRelativeVelocity();
168 
169  if (species->getConstantRestitution()) normalForce *= 2.0*getEffectiveMass();
170  setAbsoluteNormalForce(std::abs(normalForce)); //used for further corce calculations;
171  setForce(getNormal() * normalForce);
172  setTorque(Vec3D(0.0, 0.0, 0.0));
173  }
174  else
175  {
177  setForce(Vec3D(0.0, 0.0, 0.0));
178  setTorque(Vec3D(0.0, 0.0, 0.0));
179  }
180 }

References Vec3D::dot(), LinearPlasticViscoelasticNormalSpecies::getCohesionStiffness(), BaseNormalForce::getConstantRestitution(), BaseInteraction::getContactPoint(), LinearPlasticViscoelasticNormalSpecies::getDissipation(), LinearPlasticViscoelasticNormalSpecies::getDoConstantUnloadingStiffness(), BaseInteraction::getEffectiveMass(), BaseInteraction::getEffectiveRadius(), BaseInteraction::getI(), LinearPlasticViscoelasticNormalSpecies::getLoadingStiffness(), getMaxOverlap(), BaseInteraction::getNormal(), BaseInteraction::getNormalRelativeVelocity(), BaseInteraction::getOverlap(), BaseInteraction::getP(), LinearPlasticViscoelasticNormalSpecies::getPenetrationDepthMax(), BaseInteraction::getRelativeVelocity(), getSpecies(), LinearPlasticViscoelasticNormalSpecies::getUnloadingStiffnessMax(), maxOverlap_, BaseInteraction::setAbsoluteNormalForce(), BaseInteraction::setForce(), setMaxOverlap(), BaseInteraction::setNormalRelativeVelocity(), BaseInteraction::setRelativeVelocity(), and BaseInteraction::setTorque().

◆ getBaseName()

std::string LinearPlasticViscoelasticInteraction::getBaseName ( ) const
virtual

Returns the name of the interaction.

Returns
std::string
109 {
110  return "LinearPlasticViscoelastic";
111 }

◆ getElasticEnergy()

Mdouble LinearPlasticViscoelasticInteraction::getElasticEnergy ( ) const
overridevirtual

Computes and returns the amount of elastic energy stored in the spring.

Returns
Mdouble
Todo:
TW this is not correct; we should count the return energy

Reimplemented from BaseInteraction.

186 {
187  Mdouble energy = getOverlap() > 0 ? 0.5 * (getSpecies()->getLoadingStiffness() * mathsFunc::square(getOverlap())) : 0.0;
189  return energy;
191 }

References BaseInteraction::getBaseSpecies(), BaseNormalForce::getConstantRestitution(), BaseInteraction::getEffectiveMass(), LinearPlasticViscoelasticNormalSpecies::getLoadingStiffness(), BaseSpecies::getNormalForce(), BaseInteraction::getOverlap(), getSpecies(), and mathsFunc::square().

◆ getMaxOverlap()

Mdouble LinearPlasticViscoelasticInteraction::getMaxOverlap ( ) const
Returns
Mdouble plasticOverlap_
206 {
207  return maxOverlap_;
208 }

References maxOverlap_.

Referenced by computeNormalForce(), and getUnloadingStiffness().

◆ getSpecies()

const LinearPlasticViscoelasticNormalSpecies * LinearPlasticViscoelasticInteraction::getSpecies ( ) const
Returns
const LinearPlasticViscoElasticNormalSpecies*
197 {
199 ;
200 }

References BaseInteraction::getBaseSpecies(), and BaseSpecies::getNormalForce().

Referenced by computeNormalForce(), getElasticEnergy(), and getUnloadingStiffness().

◆ getUnloadingStiffness()

Mdouble LinearPlasticViscoelasticInteraction::getUnloadingStiffness ( ) const
Returns
Mdouble
222 {
224  // Modified by Paolo: read comment in computeNormalForce().
225  // previously: const Mdouble effectiveDiameter = species->getConstantRestitution()?1.0:(2.0 * getEffectiveRadius());
226  const Mdouble effectiveDiameter = 2.0 * getEffectiveRadius();
227  Mdouble deltaMaxFluid = species->getPenetrationDepthMax() * effectiveDiameter /
228  (1.0 - species->getLoadingStiffness() / species->getUnloadingStiffnessMax());
229  if (getOverlap() > deltaMaxFluid)
230  return species->getUnloadingStiffnessMax();
231  else
232  return species->getLoadingStiffness() +
233  (species->getUnloadingStiffnessMax() - species->getLoadingStiffness()) * getMaxOverlap() / deltaMaxFluid;
234 }

References BaseInteraction::getEffectiveRadius(), LinearPlasticViscoelasticNormalSpecies::getLoadingStiffness(), getMaxOverlap(), BaseInteraction::getOverlap(), LinearPlasticViscoelasticNormalSpecies::getPenetrationDepthMax(), getSpecies(), and LinearPlasticViscoelasticNormalSpecies::getUnloadingStiffnessMax().

◆ read()

void LinearPlasticViscoelasticInteraction::read ( std::istream &  is)
overridevirtual

Interaction read function, which accepts an std::istream as input.

Calls the read function of BaseInteraction().

Parameters
[in,out]is

Reimplemented from BaseInteraction.

98 {
100  std::string dummy;
101  is >> dummy >> maxOverlap_;
102  //helpers::readOptionalVariable<Mdouble>(is, "maxOverlap", maxOverlap_);
103 }

References maxOverlap_, and BaseInteraction::read().

◆ setMaxOverlap()

void LinearPlasticViscoelasticInteraction::setMaxOverlap ( Mdouble  maxOverlap)
Parameters
[in]maxOverlap
214 {
215  maxOverlap_ = maxOverlap;
216 }

References maxOverlap_.

Referenced by computeNormalForce().

◆ write()

void LinearPlasticViscoelasticInteraction::write ( std::ostream &  os) const
overridevirtual

Interaction write function, which accepts an std::ostream as input.

Calls the write function of BaseInteraction().

Parameters
[in,out]os

Reimplemented from BaseInteraction.

88 {
90  os << " maxOverlap " << maxOverlap_;
91 }

References maxOverlap_, and BaseInteraction::write().

Member Data Documentation

◆ maxOverlap_

Mdouble LinearPlasticViscoelasticInteraction::maxOverlap_
private

The documentation for this class was generated from the following files:
BaseInteraction::getNormalRelativeVelocity
Mdouble getNormalRelativeVelocity() const
Returns a double which is the norm (length) of the relative velocity vector.
Definition: BaseInteraction.cc:536
mathsFunc::square
T square(const T val)
squares a number
Definition: ExtendedMath.h:106
BaseInteraction::getRelativeVelocity
const Vec3D & getRelativeVelocity() const
Returns a constant reference to a vector of relative velocity.
Definition: BaseInteraction.cc:525
LinearPlasticViscoelasticInteraction::getSpecies
const LinearPlasticViscoelasticNormalSpecies * getSpecies() const
Definition: LinearPlasticViscoelasticInteraction.cc:196
BaseInteraction::setRelativeVelocity
void setRelativeVelocity(Vec3D relativeVelocity)
set the relative velocity of the current of the interactions.
Definition: BaseInteraction.cc:601
BaseInteraction::setAbsoluteNormalForce
void setAbsoluteNormalForce(Mdouble absoluteNormalForce)
the absolute values of the norm (length) of the normal force
Definition: BaseInteraction.cc:622
BaseInteraction::setTorque
void setTorque(Vec3D torque)
set the total force (this is used by the normal force, tangential torques are added use addTorque)
Definition: BaseInteraction.cc:590
LinearPlasticViscoelasticNormalSpecies::getUnloadingStiffnessMax
Mdouble getUnloadingStiffnessMax() const
Returns the maximum unloading stiffness of the linear plastic-viscoelastic normal force.
Definition: LinearPlasticViscoelasticNormalSpecies.cc:158
BaseInteraction::getBaseSpecies
const BaseSpecies * getBaseSpecies() const
Return a constant point to BaseSpecies of the interaction.
Definition: BaseInteraction.cc:634
BaseInteraction::getI
BaseInteractable * getI()
Returns a pointer to the second object involved in the interaction (often a wall or a particle).
Definition: BaseInteraction.h:280
BaseInteraction::read
void read(std::istream &is) override
Interaction read function, which accepts an std::istream as input.
Definition: BaseInteraction.cc:186
Vec3D::dot
static Mdouble dot(const Vec3D &a, const Vec3D &b)
Calculates the dot product of two Vec3D: .
Definition: Vector.cc:76
BaseInteraction::setNormalRelativeVelocity
void setNormalRelativeVelocity(Mdouble normalRelativeVelocit)
set the normal component of the relative velocity.
Definition: BaseInteraction.cc:612
BaseInteraction::setForce
void setForce(Vec3D force)
set total force (this is used by the normal force, tangential forces are added use addForce)
Definition: BaseInteraction.cc:579
Vec3D
Definition: Vector.h:50
BaseInteraction::BaseInteraction
BaseInteraction()
Definition: BaseInteraction.cc:65
BaseInteraction::getContactPoint
const Vec3D & getContactPoint() const
Gets constant reference to contact point (vector).
Definition: BaseInteraction.h:234
BaseInteraction::write
void write(std::ostream &os) const override
Interaction print function, which accepts an std::ostream as input.
Definition: BaseInteraction.cc:159
Mdouble
double Mdouble
Definition: GeneralDefine.h:34
BaseInteraction::getEffectiveMass
Mdouble getEffectiveMass() const
Returns a Mdouble to the effective radius of the interaction. (Not corrected for the overlap)
Definition: BaseInteraction.cc:762
LinearPlasticViscoelasticInteraction::setMaxOverlap
void setMaxOverlap(Mdouble maxOverlap)
Definition: LinearPlasticViscoelasticInteraction.cc:213
BaseInteraction::getOverlap
Mdouble getOverlap() const
Returns a Mdouble with the current overlap between the two interacting objects.
Definition: BaseInteraction.h:240
BaseInteraction::getNormal
const Vec3D & getNormal() const
Gets the normal vector between the two interacting objects.
Definition: BaseInteraction.h:226
BaseSpecies::getNormalForce
BaseNormalForce * getNormalForce() const
Definition: BaseSpecies.h:148
LinearPlasticViscoelasticNormalSpecies::getCohesionStiffness
Mdouble getCohesionStiffness() const
Returns the cohesive stiffness of the linear plastic-viscoelastic normal force.
Definition: LinearPlasticViscoelasticNormalSpecies.cc:166
LinearPlasticViscoelasticNormalSpecies::getPenetrationDepthMax
Mdouble getPenetrationDepthMax() const
Returns the maximum penetration depth of the linear plastic-viscoelastic normal force.
Definition: LinearPlasticViscoelasticNormalSpecies.cc:174
LinearPlasticViscoelasticNormalSpecies
LinearPlasticViscoelasticNormalSpecies contains the parameters used to describe a plastic-cohesive no...
Definition: LinearPlasticViscoelasticNormalSpecies.h:41
BaseNormalForce::getConstantRestitution
bool getConstantRestitution() const
Definition: BaseNormalForce.h:45
LinearPlasticViscoelasticInteraction::maxOverlap_
Mdouble maxOverlap_
Definition: LinearPlasticViscoelasticInteraction.h:117
LinearPlasticViscoelasticNormalSpecies::getDoConstantUnloadingStiffness
bool getDoConstantUnloadingStiffness() const
Definition: LinearPlasticViscoelasticNormalSpecies.h:169
LinearPlasticViscoelasticInteraction::getMaxOverlap
Mdouble getMaxOverlap() const
Definition: LinearPlasticViscoelasticInteraction.cc:205
BaseInteraction::getEffectiveRadius
Mdouble getEffectiveRadius() const
Returns a Mdouble to the effective radius of the interaction. (Not corrected for the overlap)
Definition: BaseInteraction.cc:745
LinearPlasticViscoelasticNormalSpecies::getLoadingStiffness
Mdouble getLoadingStiffness() const
Returns the loading stiffness of the linear plastic-viscoelastic normal force.
Definition: LinearPlasticViscoelasticNormalSpecies.cc:150
LinearPlasticViscoelasticNormalSpecies::getDissipation
Mdouble getDissipation() const
Allows the normal dissipation to be accessed.
Definition: LinearPlasticViscoelasticNormalSpecies.cc:245
BaseInteraction::getP
BaseInteractable * getP()
Returns a pointer to first object involved in the interaction (normally a particle).
Definition: BaseInteraction.h:269