SPH::fluid_dynamics::FlowRelaxationBuffer Class Reference

Flow buffer in which the particles relaxes to a given target velocity profile. This technique will be used for applying several boundary conditions, such as freestream, inflow, damping boundary conditions. More...

#include <fluid_boundary.h>

Inherits SPH::PartDynamicsByCell, and SPH::DataDelegateSimple< BodyType, ParticlesType, MaterialType >.

Inherited by SPH::fluid_dynamics::InflowBoundaryCondition.

Public Member Functions
	FlowRelaxationBuffer (FluidBody &fluid_body, BodyPartByCell &body_part)
Public Member Functions inherited from SPH::PartDynamicsByCell
	PartDynamicsByCell (SPHBody &sph_body, BodyPartByCell &body_part)
virtual void	exec (Real dt=0.0) override
virtual void	parallel_exec (Real dt=0.0) override
Public Member Functions inherited from SPH::ParticleDynamics< void >
	ParticleDynamics (SPHBody &sph_body)
SPHBody *	getSPHBody ()
Public Member Functions inherited from SPH::DataDelegateSimple< BodyType, ParticlesType, MaterialType >
	DataDelegateSimple (SPHBody &sph_body)
BodyType *	getBody ()
ParticlesType *	getParticles ()
MaterialType *	getMaterial ()

Protected Member Functions
virtual Vecd	getTargetVelocity (Vecd &position, Vecd &velocity)=0
virtual void	Update (size_t index_i, Real dt=0.0) override
Protected Member Functions inherited from SPH::ParticleDynamics< void >
void	setBodyUpdated ()
virtual void	setupDynamics (Real dt=0.0)

Protected Attributes
StdLargeVec< Vecd > &	pos_
StdLargeVec< Vecd > &	vel_
Real	relaxation_rate_
Protected Attributes inherited from SPH::PartDynamicsByCell
CellLists &	body_part_cells_
ParticleFunctor	functor_update_
Protected Attributes inherited from SPH::ParticleDynamics< void >
SPHBody *	sph_body_
SPHAdaptation *	sph_adaptation_
BaseParticles *	base_particles_
Protected Attributes inherited from SPH::DataDelegateSimple< BodyType, ParticlesType, MaterialType >
BodyType *	body_
ParticlesType *	particles_
MaterialType *	material_
StdLargeVec< size_t > &	sorted_id_
StdLargeVec< size_t > &	unsorted_id_

Additional Inherited Members
Static Public Attributes inherited from SPH::GlobalStaticVariables
static Real	physical_time_ = 0.0

Detailed Description

Flow buffer in which the particles relaxes to a given target velocity profile. This technique will be used for applying several boundary conditions, such as freestream, inflow, damping boundary conditions.

Member Function Documentation

getTargetVelocity()

virtual Vecd SPH::fluid_dynamics::FlowRelaxationBuffer::getTargetVelocity ( Vecd &  position, Vecd &  velocity  )

protectedpure virtual

inflow profile to be defined in applications, argument parameters and return value are in frame (local) coordinate

Member Data Documentation

relaxation_rate_

Real SPH::fluid_dynamics::FlowRelaxationBuffer::relaxation_rate_

protected

default value is 0.1 suggests reaching target inflow velocity in about 10 time steps

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

• SPHINXsys/src/shared/particle_dynamics/fluid_dynamics/fluid_boundary.h
• SPHINXsys/src/shared/particle_dynamics/fluid_dynamics/fluid_boundary.cpp