walberla::mesa_pd::kernel::LinearSpringDashpot Class Reference

Detailed Description

Advanced DEM kernel.

This model is a linearized version of Edward Biegert, Bernhard Vowinckel, Eckart Meiburg A collision model for grain-resolving simulations of flows over dense, mobile, polydisperse granular sediment beds https://doi.org/10.1016/j.jcp.2017.03.035

const walberla::id_t& getUid(const size_t p_idx) const;
 
const walberla::mesa_pd::Vec3& getPosition(const size_t p_idx) const;
 
const walberla::mesa_pd::Vec3& getLinearVelocity(const size_t p_idx) const;
 
walberla::mesa_pd::Vec3& getForceRef(const size_t p_idx);
 
const walberla::mesa_pd::Vec3& getAngularVelocity(const size_t p_idx) const;
 
walberla::mesa_pd::Vec3& getTorqueRef(const size_t p_idx);
 
const uint_t& getType(const size_t p_idx) const;
 
const std::map<walberla::id_t, walberla::mesa_pd::Vec3>& getContactHistory(const size_t p_idx) const;
void setContactHistory(const size_t p_idx, const std::map<walberla::id_t, walberla::mesa_pd::Vec3>& v);

#include <LinearSpringDashpot.h>

Public Member Functions
	LinearSpringDashpot (const uint_t numParticleTypes)
	LinearSpringDashpot (const LinearSpringDashpot &other)=default
	LinearSpringDashpot (LinearSpringDashpot &&other)=default
LinearSpringDashpot &	operator= (const LinearSpringDashpot &other)=default
LinearSpringDashpot &	operator= (LinearSpringDashpot &&other)=default
template<typename Accessor >
void	operator() (const size_t p_idx1, const size_t p_idx2, Accessor &ac, const Vec3 &contactPoint, const Vec3 &contactNormal, const real_t &penetrationDepth, const real_t &dt) const
real_t	calcCoefficientOfRestitution (const size_t type1, const size_t type2, const real_t effectiveMass)
real_t	calcCollisionTime (const size_t type1, const size_t type2, const real_t effectiveMass)
void	setStiffnessAndDamping (const size_t type1, const size_t type2, const real_t coefficientOfRestitution, const real_t collisionTime, const real_t kappa, const real_t effectiveMass)
void	setStiffnessN (const size_t type1, const size_t type2, const real_t &val)
	assumes this parameter is symmetric
void	setStiffnessT (const size_t type1, const size_t type2, const real_t &val)
	assumes this parameter is symmetric
void	setDampingN (const size_t type1, const size_t type2, const real_t &val)
	assumes this parameter is symmetric
void	setDampingT (const size_t type1, const size_t type2, const real_t &val)
	assumes this parameter is symmetric
void	setFrictionCoefficientStatic (const size_t type1, const size_t type2, const real_t &val)
	assumes this parameter is symmetric
void	setFrictionCoefficientDynamic (const size_t type1, const size_t type2, const real_t &val)
	assumes this parameter is symmetric
real_t	getStiffnessN (const size_t type1, const size_t type2) const
real_t	getStiffnessT (const size_t type1, const size_t type2) const
real_t	getDampingN (const size_t type1, const size_t type2) const
real_t	getDampingT (const size_t type1, const size_t type2) const
real_t	getFrictionCoefficientStatic (const size_t type1, const size_t type2) const
real_t	getFrictionCoefficientDynamic (const size_t type1, const size_t type2) const

Private Attributes
uint_t	numParticleTypes_
std::vector< real_t >	stiffnessN_ {}
std::vector< real_t >	stiffnessT_ {}
std::vector< real_t >	dampingN_ {}
std::vector< real_t >	dampingT_ {}
std::vector< real_t >	frictionCoefficientStatic_ {}
std::vector< real_t >	frictionCoefficientDynamic_ {}

Constructor & Destructor Documentation

LinearSpringDashpot() [1/3]

walberla::mesa_pd::kernel::LinearSpringDashpot::LinearSpringDashpot ( const uint_t numParticleTypes )

inline

LinearSpringDashpot() [2/3]

walberla::mesa_pd::kernel::LinearSpringDashpot::LinearSpringDashpot ( const LinearSpringDashpot & other )

default

LinearSpringDashpot() [3/3]

walberla::mesa_pd::kernel::LinearSpringDashpot::LinearSpringDashpot ( LinearSpringDashpot && other )

default

Member Function Documentation

calcCoefficientOfRestitution()

real_t walberla::mesa_pd::kernel::LinearSpringDashpot::calcCoefficientOfRestitution ( const size_t type1, const size_t type2, const real_t effectiveMass )

inline

calcCollisionTime()

real_t walberla::mesa_pd::kernel::LinearSpringDashpot::calcCollisionTime ( const size_t type1, const size_t type2, const real_t effectiveMass )

inline

getDampingN()

real_t walberla::mesa_pd::kernel::LinearSpringDashpot::getDampingN ( const size_t type1, const size_t type2 ) const

inline

getDampingT()

real_t walberla::mesa_pd::kernel::LinearSpringDashpot::getDampingT ( const size_t type1, const size_t type2 ) const

inline

getFrictionCoefficientDynamic()

real_t walberla::mesa_pd::kernel::LinearSpringDashpot::getFrictionCoefficientDynamic ( const size_t type1, const size_t type2 ) const

inline

getFrictionCoefficientStatic()

real_t walberla::mesa_pd::kernel::LinearSpringDashpot::getFrictionCoefficientStatic ( const size_t type1, const size_t type2 ) const

inline

getStiffnessN()

real_t walberla::mesa_pd::kernel::LinearSpringDashpot::getStiffnessN ( const size_t type1, const size_t type2 ) const

inline

getStiffnessT()

real_t walberla::mesa_pd::kernel::LinearSpringDashpot::getStiffnessT ( const size_t type1, const size_t type2 ) const

inline

operator()()

template<typename Accessor >

void walberla::mesa_pd::kernel::LinearSpringDashpot::operator() ( const size_t p_idx1, const size_t p_idx2, Accessor & ac, const Vec3 & contactPoint, const Vec3 & contactNormal, const real_t & penetrationDepth, const real_t & dt ) const

inline

operator=() [1/2]

LinearSpringDashpot & walberla::mesa_pd::kernel::LinearSpringDashpot::operator= ( const LinearSpringDashpot & other )

default

operator=() [2/2]

LinearSpringDashpot & walberla::mesa_pd::kernel::LinearSpringDashpot::operator= ( LinearSpringDashpot && other )

default

setDampingN()

void walberla::mesa_pd::kernel::LinearSpringDashpot::setDampingN ( const size_t type1, const size_t type2, const real_t & val )

inline

assumes this parameter is symmetric

setDampingT()

void walberla::mesa_pd::kernel::LinearSpringDashpot::setDampingT ( const size_t type1, const size_t type2, const real_t & val )

inline

assumes this parameter is symmetric

setFrictionCoefficientDynamic()

void walberla::mesa_pd::kernel::LinearSpringDashpot::setFrictionCoefficientDynamic ( const size_t type1, const size_t type2, const real_t & val )

inline

assumes this parameter is symmetric

setFrictionCoefficientStatic()

void walberla::mesa_pd::kernel::LinearSpringDashpot::setFrictionCoefficientStatic ( const size_t type1, const size_t type2, const real_t & val )

inline

assumes this parameter is symmetric

setStiffnessAndDamping()

void walberla::mesa_pd::kernel::LinearSpringDashpot::setStiffnessAndDamping ( const size_t type1, const size_t type2, const real_t coefficientOfRestitution, const real_t collisionTime, const real_t kappa, const real_t effectiveMass )

inline

setStiffnessN()

void walberla::mesa_pd::kernel::LinearSpringDashpot::setStiffnessN ( const size_t type1, const size_t type2, const real_t & val )

inline

assumes this parameter is symmetric

setStiffnessT()

void walberla::mesa_pd::kernel::LinearSpringDashpot::setStiffnessT ( const size_t type1, const size_t type2, const real_t & val )

inline

assumes this parameter is symmetric

Member Data Documentation

dampingN_

std::vector<real_t> walberla::mesa_pd::kernel::LinearSpringDashpot::dampingN_ {}

private

dampingT_

std::vector<real_t> walberla::mesa_pd::kernel::LinearSpringDashpot::dampingT_ {}

private

frictionCoefficientDynamic_

std::vector<real_t> walberla::mesa_pd::kernel::LinearSpringDashpot::frictionCoefficientDynamic_ {}

private

frictionCoefficientStatic_

std::vector<real_t> walberla::mesa_pd::kernel::LinearSpringDashpot::frictionCoefficientStatic_ {}

private

numParticleTypes_

uint_t walberla::mesa_pd::kernel::LinearSpringDashpot::numParticleTypes_

private

stiffnessN_

std::vector<real_t> walberla::mesa_pd::kernel::LinearSpringDashpot::stiffnessN_ {}

private

stiffnessT_

std::vector<real_t> walberla::mesa_pd::kernel::LinearSpringDashpot::stiffnessT_ {}

private

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

• /builds/administration/walberla-website/walberla/src/mesa_pd/kernel/LinearSpringDashpot.h