relative.cpp File Reference

#include "config/config.hpp"
#include "BoxGeometry.hpp"
#include "Particle.hpp"
#include "PropagationMode.hpp"
#include "cell_system/CellStructure.hpp"
#include "cells.hpp"
#include "errorhandling.hpp"
#include "forces.hpp"
#include "lees_edwards/lees_edwards.hpp"
#include "rotation.hpp"
#include <utils/Vector.hpp>
#include <utils/math/quaternion.hpp>
#include <utils/math/tensor_product.hpp>
#include <utils/quaternion.hpp>
#include <cassert>

Include dependency graph for relative.cpp:

Go to the source code of this file.

Functions
static auto	connection_vector (Particle const &p_ref, Particle const &p_vs)
	Vector pointing from the real particle to the virtual site.
static Utils::Vector3d	velocity (Particle const &p_ref, Particle const &p_vs)
	Velocity of the virtual site.
static Particle *	get_reference_particle (CellStructure &cell_structure, Particle const &p)
	Get real particle tracked by a virtual site.
static auto	constraint_stress (Particle const &p_ref, Particle const &p_vs)
	Constraint force to hold the particle at its prescribed position.
static bool	is_vs_relative_trans (Particle const &p)
static bool	is_vs_relative_rot (Particle const &p)
static bool	is_vs_relative (Particle const &p)
void	vs_relative_update_particles (CellStructure &cell_structure, BoxGeometry const &box_geo)
void	vs_relative_back_transfer_forces_and_torques (CellStructure &cell_structure)
Utils::Matrix< double, 3, 3 >	vs_relative_pressure_tensor (CellStructure const &cell_structure)

Function Documentation

connection_vector()

static auto connection_vector ( Particle const &  p_ref, Particle const &  p_vs  )

static

Vector pointing from the real particle to the virtual site.

Returns

Relative distance.

Definition at line 45 of file relative.cpp.

References Utils::convert_quaternion_to_director(), Particle::quat(), and Particle::vs_relative().

Referenced by constraint_stress(), velocity(), vs_relative_back_transfer_forces_and_torques(), and vs_relative_update_particles().

constraint_stress()

static auto constraint_stress ( Particle const &  p_ref, Particle const &  p_vs  )

static

Constraint force to hold the particle at its prescribed position.

Parameters

p_ref	Reference particle.
p_vs	Virtual site.

Returns

Constraint force.

Definition at line 104 of file relative.cpp.

References connection_vector(), and Particle::force().

Referenced by vs_relative_pressure_tensor().

get_reference_particle()

static Particle * get_reference_particle ( CellStructure &  cell_structure, Particle const &  p  )

static

Get real particle tracked by a virtual site.

Parameters

cell_structure	Cell structure.
p	Virtual site.

Returns

Pointer to real particle.

Definition at line 81 of file relative.cpp.

References CellStructure::get_local_particle(), Particle::id(), runtimeErrorMsg, and Particle::vs_relative().

Referenced by vs_relative_back_transfer_forces_and_torques(), and vs_relative_update_particles().

is_vs_relative()

static bool is_vs_relative ( Particle const &  p )

static

Definition at line 118 of file relative.cpp.

References is_vs_relative_rot(), and is_vs_relative_trans().

Referenced by vs_relative_back_transfer_forces_and_torques(), and vs_relative_update_particles().

is_vs_relative_rot()

static bool is_vs_relative_rot ( Particle const &  p )

static

Definition at line 114 of file relative.cpp.

References Particle::propagation(), and PropagationMode::ROT_VS_RELATIVE.

Referenced by is_vs_relative(), vs_relative_back_transfer_forces_and_torques(), and vs_relative_update_particles().

is_vs_relative_trans()

static bool is_vs_relative_trans ( Particle const &  p )

static

Definition at line 111 of file relative.cpp.

References Particle::propagation(), and PropagationMode::TRANS_VS_RELATIVE.

Referenced by is_vs_relative(), vs_relative_back_transfer_forces_and_torques(), vs_relative_pressure_tensor(), and vs_relative_update_particles().

velocity()

static Utils::Vector3d velocity ( Particle const &  p_ref, Particle const &  p_vs  )

static

Velocity of the virtual site.

Parameters

p_ref	Reference particle for the virtual site.
p_vs	Virtual site.

Returns

Velocity of the virtual site.

Definition at line 64 of file relative.cpp.

References connection_vector(), convert_vector_body_to_space(), Particle::omega(), Particle::v(), and vector_product().

Referenced by bd_drag_vel(), bd_random_walk_vel(), walberla::LBWalberlaImpl< FloatType, Architecture >::VelocityVTKWriter< OutputType >::evaluate(), walberla::pystencils::InitialPDFsSetterDoublePrecision::run(), walberla::pystencils::InitialPDFsSetterSinglePrecision::run(), walberla::pystencils::StreamSweepDoublePrecision::run(), walberla::pystencils::StreamSweepDoublePrecisionAVX::run(), walberla::pystencils::StreamSweepSinglePrecision::run(), walberla::pystencils::StreamSweepSinglePrecisionAVX::run(), walberla::pystencils::InitialPDFsSetterDoublePrecisionCUDA::run(), walberla::pystencils::InitialPDFsSetterSinglePrecisionCUDA::run(), walberla::pystencils::StreamSweepDoublePrecisionCUDA::run(), walberla::pystencils::StreamSweepSinglePrecisionCUDA::run(), walberla::pystencils::InitialPDFsSetterDoublePrecision::runOnCellInterval(), walberla::pystencils::InitialPDFsSetterSinglePrecision::runOnCellInterval(), walberla::pystencils::StreamSweepDoublePrecision::runOnCellInterval(), walberla::pystencils::StreamSweepDoublePrecisionAVX::runOnCellInterval(), walberla::pystencils::StreamSweepSinglePrecision::runOnCellInterval(), walberla::pystencils::StreamSweepSinglePrecisionAVX::runOnCellInterval(), walberla::pystencils::InitialPDFsSetterDoublePrecisionCUDA::runOnCellInterval(), walberla::pystencils::InitialPDFsSetterSinglePrecisionCUDA::runOnCellInterval(), walberla::pystencils::StreamSweepDoublePrecisionCUDA::runOnCellInterval(), walberla::pystencils::StreamSweepSinglePrecisionCUDA::runOnCellInterval(), walberla::LBWalberlaImpl< FloatType, Architecture >::set_node_velocity_at_boundary(), walberla::LBWalberlaImpl< FloatType, Architecture >::set_slice_velocity(), walberla::LBWalberlaImpl< FloatType, Architecture >::set_slice_velocity_at_boundary(), and vs_relative_update_particles().

vs_relative_back_transfer_forces_and_torques()

void vs_relative_back_transfer_forces_and_torques

(

CellStructure &

cell_structure

)

Definition at line 166 of file relative.cpp.

References connection_vector(), get_reference_particle(), CellStructure::ghost_particles(), CellStructure::ghosts_reduce_forces(), init_forces_ghosts(), is_vs_relative(), is_vs_relative_rot(), is_vs_relative_trans(), CellStructure::local_particles(), and vector_product().

Referenced by System::System::calculate_forces().

vs_relative_pressure_tensor()

Utils::Matrix< double, 3, 3 > vs_relative_pressure_tensor

(

CellStructure const &

cell_structure

)

Definition at line 194 of file relative.cpp.

References constraint_stress(), CellStructure::get_local_particle(), is_vs_relative_trans(), CellStructure::local_particles(), and pressure_tensor.

Referenced by System::System::calculate_pressure().

vs_relative_update_particles()

void vs_relative_update_particles	(	CellStructure &	cell_structure,
		BoxGeometry const &	box_geo
	)

Definition at line 122 of file relative.cpp.

References CellStructure::check_resort_required(), connection_vector(), Cells::DATA_PART_MOMENTUM, Cells::DATA_PART_POSITION, BoxGeometry::fold_position(), get_reference_particle(), CellStructure::ghosts_update(), is_vs_relative(), is_vs_relative_rot(), is_vs_relative_trans(), LEES_EDWARDS, CellStructure::local_particles(), Cells::RESORT_LOCAL, CellStructure::set_resort_particles(), BoxGeometry::type(), and velocity().

Referenced by System::System::integrate(), and System::System::update_dependent_particles().