Restriction of a wall to the intersection with another wall. More...

#include <BasicUnionOfWalls.h>

Inheritance diagram for BasicUnionOfWalls:

Public Member Functions
	BasicUnionOfWalls ()
	Default constructor, the normal is infinitely long. More...

	BasicUnionOfWalls (const BasicUnionOfWalls &w)
	Copy constructor, copy the given wall. More...

	~BasicUnionOfWalls () override
	Default destructor. More...

BasicUnionOfWalls *	copy () const override
	Wall copy method. It calls the copy constructor of this Wall, useful for polymorphism. More...

unsigned long	getNumberOfObjects ()
	Returns the number of objects. More...

void	add (BaseWall &wall)
	Defines a standard wall, given an outward normal vector s.t. normalx=normalpoint for all x of the wall. More...

bool	getDistanceAndNormal (const BaseParticle &p, Mdouble &distance, Vec3D &normal_return) const override
	Compute the distance from the wall for a given BaseParticle and return if there is a collision. If there is a collision, also return the normal vector. More...

void	read (std::istream &is) override
	Reads BasicUnionOfWalls from a restart file. More...

void	oldRead (std::istream &is)
	Reads BasicUnionOfWalls from an old-style restart file. More...

void	write (std::ostream &os) const override
	Writes the BasicUnionOfWalls to an output stream, usually a restart file. More...

std::string	getName () const override
	Returns the name of the object, in this case the string "BasicUnionOfWalls". More...

void	getVTK (std::vector< Vec3D > &points, std::vector< std::vector< double >> &triangleStrips)

BaseWall *	getObject (unsigned i)

void	writeVTK (VTKContainer &vtk) const override

Public Member Functions inherited from BaseWall
	BaseWall ()
	Default constructor. More...

	BaseWall (const BaseWall &w)
	Copy constructor. More...

	~BaseWall () override
	Default destructor. More...

virtual bool	getDistanceNormalOverlap (const BaseParticle &P, Mdouble &distance, Vec3D &normal_return, Mdouble &overlap) const

virtual bool	getDistanceNormalOverlapSuperquadric (const SuperQuadricParticle &p, Mdouble &distance, Vec3D &normal_return, Mdouble &overlap) const

virtual Vec3D	getFurthestPointSuperQuadric (const Vec3D &normalBodyFixed, const Vec3D &axes, Mdouble eps1, Mdouble eps2) const

virtual void	setHandler (WallHandler *handler)
	A function which sets the WallHandler for this BaseWall. More...

WallHandler *	getHandler () const
	A function which returns the WallHandler that handles this BaseWall. More...

void	setIndSpecies (unsigned int indSpecies) override
	Define the species of this wall using the index of the species in the SpeciesHandler in this DPMBase. More...

void	setSpecies (const ParticleSpecies *species)
	Defines the species of the current wall. More...

bool	isFixed () const override

void	setForceControl (Vec3D forceGoal, Vec3D gainFactor, Vec3D baseVelocity={0, 0, 0})
	Slowly adjusts the force on a wall towards a specified goal, by adjusting (prescribing) the velocity of the wall. More...

virtual bool	isLocal (Vec3D &min, Vec3D &max) const

bool	getLinePlaneIntersect (Vec3D &intersect, const Vec3D &p0, const Vec3D &p1, const Vec3D &n, const Vec3D &p)

bool	isInsideWallVTK (const Vec3D &point, const Vec3D &normal, const Vec3D &position) const

void	projectOntoWallVTK (Vec3D &point0, const Vec3D &point1, const Vec3D &normal, const Vec3D &position) const

void	intersectVTK (std::vector< Vec3D > &points, Vec3D normal, Vec3D position) const

virtual BaseInteraction *	getInteractionWithSuperQuad (SuperQuadricParticle p, unsigned timeStamp, InteractionHandler interactionHandler)

void	getVTK (std::vector< Vec3D > &points, std::vector< std::vector< double >> &triangleStrips)

const Vec3D	getAxis () const

BaseInteraction *	getInteractionWith (BaseParticle p, unsigned timeStamp, InteractionHandler interactionHandler) override
	Returns the interaction between this wall and a given particle, nullptr if there is no interaction. More...

virtual void	actionsOnRestart ()
	No implementation but can be overidden in its derived classes. More...

virtual void	actionsAfterParticleGhostUpdate ()
	No implementation but can be overidden in its derived classes. More...

virtual void	handleParticleAddition (unsigned int id, BaseParticle *p)
	Handles the addition of particles to the particleHandler. More...

virtual void	handleParticleRemoval (unsigned int id)
	Handles the addition of particles to the particleHandler. More...

virtual void	checkInteractions (InteractionHandler *interactionHandler, unsigned int timeStamp)
	Check if all interactions are valid. More...

bool	getVTKVisibility () const

void	setVTKVisibility (bool vtkVisibility)

void	addRenderedWall (BaseWall *w)

BaseWall *	getRenderedWall (size_t i) const

std::vector< BaseWall * >	getRenderedWalls () const

void	removeRenderedWalls ()

void	renderWall (VTKContainer &vtk)

void	addParticlesAtWall (unsigned numElements=50)

void	setVelocityControl (Vec3D forceGoal, Vec3D gainFactor, Vec3D baseVelocity)

virtual void	writeWallDetailsVTK (VTKData &data) const

virtual void	computeWear ()

Public Member Functions inherited from BaseInteractable
	BaseInteractable ()
	Default BaseInteractable constructor. More...

	BaseInteractable (const BaseInteractable &p)
	Copy constructor. More...

	~BaseInteractable () override
	Destructor, it simply destructs the BaseInteractable and all the objects it contains. More...

unsigned int	getIndSpecies () const
	Returns the index of the species associated with the interactable object. More...

const ParticleSpecies *	getSpecies () const
	Returns a pointer to the species of this BaseInteractable. More...

void	setSpecies (const ParticleSpecies *species)
	Sets the species of this BaseInteractable. More...

const Vec3D &	getForce () const
	Returns the force on this BaseInteractable. More...

const Vec3D &	getTorque () const
	Returns the torque on this BaseInteractable. More...

void	setForce (const Vec3D &force)
	Sets the force on this BaseInteractable. More...

void	setTorque (const Vec3D &torque)
	Sets the torque on this BaseInteractable. More...

void	addForce (const Vec3D &addForce)
	Adds an amount to the force on this BaseInteractable. More...

void	addTorque (const Vec3D &addTorque)
	Adds an amount to the torque on this BaseInteractable. More...

virtual void	resetForceTorque (int numberOfOMPthreads)

void	sumForceTorqueOMP ()

const Vec3D &	getPosition () const
	Returns the position of this BaseInteractable. More...

const Quaternion &	getOrientation () const
	Returns the orientation of this BaseInteractable. More...

virtual void	setPosition (const Vec3D &position)
	Sets the position of this BaseInteractable. More...

void	setOrientationViaNormal (Vec3D normal)
	Sets the orientation of this BaseInteractable by defining the vector that results from the rotation of the (1,0,0) vector. More...

void	setOrientationViaEuler (Vec3D eulerAngle)
	Sets the orientation of this BaseInteractable by defining the euler angles. More...

virtual void	setOrientation (const Quaternion &orientation)
	Sets the orientation of this BaseInteractable. More...

virtual void	move (const Vec3D &move)
	Moves this BaseInteractable by adding an amount to the position. More...

virtual void	rotate (const Vec3D &angularVelocityDt)
	Rotates this BaseInteractable. More...

const std::vector< BaseInteraction * > &	getInteractions () const
	Returns a list of interactions which belong to this interactable. More...

void	addInteraction (BaseInteraction *I)
	Adds an interaction to this BaseInteractable. More...

bool	removeInteraction (BaseInteraction *I)
	Removes an interaction from this BaseInteractable. More...

void	copyInteractionsForPeriodicParticles (const BaseInteractable &p)
	Copies interactions to this BaseInteractable whenever a periodic copy made. More...

void	setVelocity (const Vec3D &velocity)
	set the velocity of the BaseInteractable. More...

void	setAngularVelocity (const Vec3D &angularVelocity)
	set the angular velocity of the BaseInteractble. More...

void	addVelocity (const Vec3D &velocity)
	adds an increment to the velocity. More...

void	addAngularVelocity (const Vec3D &angularVelocity)
	add an increment to the angular velocity. More...

virtual const Vec3D &	getVelocity () const
	Returns the velocity of this interactable. More...

virtual const Vec3D &	getAngularVelocity () const
	Returns the angular velocity of this interactable. More...

void	setPrescribedPosition (const std::function< Vec3D(double)> &prescribedPosition)
	Allows the position of an infinite mass interactable to be prescribed. More...

void	applyPrescribedPosition (double time)
	Computes the position from the user defined prescribed position function. More...

void	setPrescribedVelocity (const std::function< Vec3D(double)> &prescribedVelocity)
	Allows the velocity of an infinite mass interactable to be prescribed. More...

void	applyPrescribedVelocity (double time)
	Computes the velocity from the user defined prescribed velocity function. More...

void	setPrescribedOrientation (const std::function< Quaternion(double)> &prescribedOrientation)
	Allows the orientation of the infinite mass interactbale to be prescribed. More...

void	applyPrescribedOrientation (double time)
	Computes the orientation from the user defined prescribed orientation function. More...

void	setPrescribedAngularVelocity (const std::function< Vec3D(double)> &prescribedAngularVelocity)
	Allows the angular velocity of the infinite mass interactable to be prescribed. More...

void	applyPrescribedAngularVelocity (double time)
	Computes the angular velocity from the user defined prescribed angular velocity. More...

virtual const Vec3D	getVelocityAtContact (const Vec3D &contact) const
	Returns the velocity at the contact point, use by many force laws. More...

void	integrateBeforeForceComputation (double time, double timeStep)
	This is part of integrate routine for objects with infinite mass. More...

void	integrateAfterForceComputation (double time, double timeStep)
	This is part of the integration routine for objects with infinite mass. More...

virtual Mdouble	getInvMass () const

virtual Mdouble	getCurvature (const Vec3D &labFixedCoordinates) const

virtual bool	isFaceContact (const Vec3D &normal) 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
std::vector< BaseWall * >	walls_

Additional Inherited Members
Static Public Member Functions inherited from BaseWall
static void	addToVTK (const std::vector< Vec3D > &points, VTKContainer &vtk)
	Takes the points provided and adds a triangle strip connecting these points to the vtk container. More...

Detailed Description

Restriction of a wall to the intersection with another wall.

This is a class defining walls. It defines the interaction of regular walls and periodic walls with particles as defined in Particle Modifications:

Constructor & Destructor Documentation

◆ BasicUnionOfWalls() [1/2]

BasicUnionOfWalls::BasicUnionOfWalls ( )

Default constructor, the normal is infinitely long.

 {
     logger(DEBUG, "BasicUnionOfWalls::BasicUnionOfWalls ) finished");
 }

References DEBUG, and logger.

Referenced by copy().

◆ BasicUnionOfWalls() [2/2]

BasicUnionOfWalls::BasicUnionOfWalls ( const BasicUnionOfWalls & b )

Copy constructor, copy the given wall.

Parameters

[in] w BasicUnionOfWalls that has to be copied.

First copy the attributes of the BaseWall, then copy the ones that are specific for the BasicUnionOfWalls.

         : BaseWall(b)
 {
     for (auto& w : b.walls_)
     {
         walls_.push_back(w->copy());
     }
     logger(DEBUG, "BasicUnionOfWalls::BasicUnionOfWalls(const BasicUnionOfWalls &p) finished");
 }

References DEBUG, logger, and walls_.

◆ ~BasicUnionOfWalls()

BasicUnionOfWalls::~BasicUnionOfWalls ( )

override

Default destructor.

 {
     for (auto& w : walls_)
     {
         delete w;
     }
     logger(DEBUG, "BasicUnionOfWalls::~BasicUnionOfWalls finished");
 }

References DEBUG, logger, and walls_.

Member Function Documentation

◆ add()

void BasicUnionOfWalls::add ( BaseWall & wall )

Defines a standard wall, given an outward normal vector s.t. normal*x=normal*point for all x of the wall.

Todo:: TW maybe the Restricted wall should be templated with the wall type such that we don't need to use new and delete.

 {
     walls_.push_back(wall.copy());
     walls_.back()->setId(walls_.size());
 }

References BaseWall::copy(), and walls_.

Referenced by UnionOfWalls::setupInitialConditions().

◆ copy()

BasicUnionOfWalls * BasicUnionOfWalls::copy ( ) const

overridevirtual

Wall copy method. It calls the copy constructor of this Wall, useful for polymorphism.

Wall copy method. It calls the copy constructor of this Wall, useful for polymorphism

Implements BaseWall.

 {
     return new BasicUnionOfWalls(*this);
 }

References BasicUnionOfWalls().

◆ getDistanceAndNormal()

bool BasicUnionOfWalls::getDistanceAndNormal	(	const BaseParticle &	p,
		Mdouble &	distance,
		Vec3D &	normal
	)		const

overridevirtual

Compute the distance from the wall for a given BaseParticle and return if there is a collision. If there is a collision, also return the normal vector.

Parameters

[in]	p	BaseParticle for which the distance to the wall must be computed.
[out]	distance	Distance between the particle and the wall.
[out]	normal	The normal of this wall, will only be set if there is a collision.

Returns: A boolean value for whether or not there is a collision.

Return the smallest distance and normal

Implements BaseWall.

 {
     if (walls_.empty()) return false;
  
     Vec3D position = p.getPosition() - getPosition();
     getOrientation().rotateBack(position);
     SphericalParticle shifted;
     shifted.setSpecies(p.getSpecies());
     shifted.setPosition(position);
     shifted.setRadius(p.getRadius());
  
     //check wall after wall; the first wall that returns an interaction is chosen
     for (auto w : walls_) {
         if (w->getDistanceAndNormal(shifted, distance, normal) == true) {
             getOrientation().rotate(normal);
             return true;
         }
     }
  
     return false;
 }

References BaseInteractable::getOrientation(), BaseInteractable::getPosition(), BaseParticle::getRadius(), BaseInteractable::getSpecies(), Quaternion::rotate(), Quaternion::rotateBack(), BaseInteractable::setPosition(), BaseParticle::setRadius(), BaseParticle::setSpecies(), and walls_.

Referenced by getVTK().

◆ getName()

std::string BasicUnionOfWalls::getName ( ) const

overridevirtual

Returns the name of the object, in this case the string "BasicUnionOfWalls".

Returns: The string "BasicUnionOfWalls", which is the name of this class.

Implements BaseObject.

 {
     return "BasicUnionOfWalls";
 }

◆ getNumberOfObjects()

unsigned long BasicUnionOfWalls::getNumberOfObjects ( )

Returns the number of objects.

\detail Suppose your simulation adds to an BasicUnionOfWalls after a certain time or condition is met. Checking the number of objects is useful for checking if this has happened yet, when restarting.

 {
     return walls_.size();
 }

References walls_.

◆ getObject()

BaseWall * BasicUnionOfWalls::getObject ( unsigned i )

 {
     logger.assert_always(walls_.size() > i, "Index % exceeds number of walls %", i, walls_.size());
     return walls_[i];
 }

References constants::i, logger, and walls_.

◆ getVTK()

void BasicUnionOfWalls::getVTK	(	std::vector< Vec3D > &	points,
		std::vector< std::vector< double >> &	triangleStrips
	)

Todo:: change getVTK to writeVTK

Parameters

points
triangleStrips

Todo:: this function could be improved; might not plot full wall

 {
 //    for (auto w : walls_) {
 //        w->writeVTK (points, triangleStrips);
 //    }
     //writes points and strips for all walls; points are added to the global point vector, but the strips are held back
     std::vector<std::vector<double>> myTriangleStrips;
     unsigned long n = points.size();
     for (auto w : walls_)
     {
         w->getVTK(points, myTriangleStrips);
     }
     //add position of the BasicUnionOfWalls to the point
     for (std::vector<Vec3D>::iterator p = points.begin() + n; p != points.end(); p++)
     {
         getOrientation().rotate(*p);
     }
     //create a vector which points are in the wall (actually, only the new points are necessary)
     std::vector<bool> pointInWall;
     pointInWall.reserve(points.size());
     SphericalParticle particle;
     particle.setSpecies(getSpecies());
     particle.setRadius(1e-10); //points within that distance are declared part of the wall
     Mdouble distance;
     Vec3D normal;
     for (auto p : points)
     {
         particle.setPosition(p);
         pointInWall.push_back(getDistanceAndNormal(particle, distance, normal));
     }
     //now loop through myTriangleStrips to find the strip parts that are fully inside the wall
     std::vector<double> strip;
     for (auto t : myTriangleStrips)
     {
         for (unsigned i : t)
         {
             if (pointInWall[i] == true)
             {
                 strip.push_back(i);
             }
             else
             {
                 if (strip.size() > 2)
                     triangleStrips.push_back(strip);
                 strip.clear();
             }
         }
         if (strip.size() > 2)
             triangleStrips.push_back(strip);
         strip.clear();
     }
 }

References getDistanceAndNormal(), BaseInteractable::getOrientation(), BaseInteractable::getSpecies(), constants::i, n, Quaternion::rotate(), BaseInteractable::setPosition(), BaseParticle::setRadius(), BaseParticle::setSpecies(), and walls_.

◆ oldRead()

void BasicUnionOfWalls::oldRead ( std::istream & is )

Reads BasicUnionOfWalls from an old-style restart file.

◆ read()

void BasicUnionOfWalls::read ( std::istream & is )

overridevirtual

Reads BasicUnionOfWalls from a restart file.

Parameters

[in] is The input stream from which the BasicUnionOfWalls is read.

Reimplemented from BaseWall.

 {
     BaseWall::read(is);
     std::string dummy;
     unsigned size;
     is >> dummy >> size;
     for (unsigned i = 0; i < size; i++)
     {
         std::string type;
         is >> type;
         BaseWall* wall = getHandler()->createObject(type);
         wall->setHandler(getHandler());
         wall->read(is);
         walls_.push_back(wall);
         walls_.back()->setId(walls_.size());
     }
 }

References WallHandler::createObject(), BaseWall::getHandler(), constants::i, BaseWall::read(), BaseWall::setHandler(), and walls_.

◆ write()

void BasicUnionOfWalls::write ( std::ostream & os ) const

overridevirtual

Writes the BasicUnionOfWalls to an output stream, usually a restart file.

Parameters

[in] os The output stream the BasicUnionOfWalls is written to.

Reimplemented from BaseWall.

 {
     BaseWall::write(os);
     os << " numWalls " << walls_.size();
     for (auto w : walls_)
     {
         os << " ";
         w->write(os);
     }
 }

References walls_, and BaseWall::write().

◆ writeVTK()

void BasicUnionOfWalls::writeVTK ( VTKContainer & vtk ) const

overridevirtual

adds extra information to the points and triangleStrips vectors needed to plot the wall in vtk format

Parameters

points	Coordinates of the vertices of the triangulated surfaces (in the VTK file this is called POINTS)
triangleStrips	Indices of three vertices forming one triangulated surface (in the VTK file this is called CELL)

Reimplemented from BaseWall.

 {    
     // Collect the points and triangles from the individual walls
     VTKContainer vtkDummy;
     for (auto w: walls_)
     {   
         w->writeVTK(vtkDummy);
     }
  
     // Save the size of vtk.points for later
     Mdouble s0 = vtk.points.size();
  
     // Rotate into real frame and add to vtk
     Vec3D p;
     for (auto point: vtkDummy.points)
     {
         getOrientation().rotate(point);
         point += getPosition();
         vtk.points.push_back(point);
     }
     
     // Shift the triangle stripes to have the right indices
     for (std::vector<double> cell: vtkDummy.triangleStrips)
     {
         std::transform(cell.begin(), cell.end(), cell.begin(),
                    [s0](double d) { return d + s0; });
         
         vtk.triangleStrips.push_back(cell);
     }
 }

References BaseInteractable::getOrientation(), BaseInteractable::getPosition(), VTKContainer::points, Quaternion::rotate(), VTKContainer::triangleStrips, and walls_.

Member Data Documentation

◆ walls_

std::vector<BaseWall*> BasicUnionOfWalls::walls_

private

Outward normal vector. This does not have to be a unit vector.

Referenced by add(), BasicUnionOfWalls(), getDistanceAndNormal(), getNumberOfObjects(), getObject(), getVTK(), read(), write(), writeVTK(), and ~BasicUnionOfWalls().

The documentation for this class was generated from the following files:

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ BasicUnionOfWalls() [1/2]

◆ BasicUnionOfWalls() [2/2]

◆ ~BasicUnionOfWalls()

Member Function Documentation

◆ add()

◆ copy()

◆ getDistanceAndNormal()

◆ getName()

◆ getNumberOfObjects()

◆ getObject()

◆ getVTK()

◆ oldRead()

◆ read()

◆ write()

◆ writeVTK()

Member Data Documentation

◆ walls_