m_collisions Module Reference

Ghost-node immersed boundary method: locates ghost/image points, computes interpolation coefficients, and corrects the flow state. More...

Functions/Subroutines
subroutine, public	s_initialize_collisions_module ()
subroutine, public	s_apply_collision_forces (ghost_points, num_gps, ib_markers, forces, torques)
subroutine	s_apply_ib_collision_forces_soft_sphere (num_considered_collisions, forces, torques)
	applies collision forces to IBs assuming a soft-sphere collision model (all IBs are circles or spheres)
subroutine	s_apply_wall_collision_forces_soft_sphere (forces, torques)
	applies collision forces to IBs assuming a soft-sphere collision model (all IBs are circles or spheres)
subroutine	s_detect_ib_collisions (gps, ib_markers, num_gps, num_considered_collisions)
	uses ghost-point/image-point information to determine if it is possible if two IBs are colliding, effectively an optimized nearest neighbor search
subroutine	s_detect_ib_collisions_n2 (num_considered_collisions)
subroutine	s_detect_wall_collisions ()
	uses boundary conditions and particle locations to check for wall conditions
logical function	f_local_rank_owns_collision (collision_location)
	function checks if this local MPI processor owns this specific collision
subroutine, public	s_finalize_collisions_module ()

Variables
integer, dimension(:,:), allocatable	collision_lookup
real(wp), dimension(:,:), allocatable	wall_overlap_distances
real(wp)	spring_stiffness
real(wp)	damping_parameter

Detailed Description

Ghost-node immersed boundary method: locates ghost/image points, computes interpolation coefficients, and corrects the flow state.

Function/Subroutine Documentation

f_local_rank_owns_collision()

logical function m_collisions::f_local_rank_owns_collision

(

real(wp), dimension(3), intent(in)

collision_location

)

function checks if this local MPI processor owns this specific collision

Definition at line 1122 of file m_collisions.fpp.f90.

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s_apply_collision_forces()

subroutine, public m_collisions::s_apply_collision_forces	(	type(ghost_point), dimension(:), intent(in)	ghost_points,
		integer, intent(in)	num_gps,
		type(integer_field), intent(in)	ib_markers,
		real(wp), dimension(num_ibs, 3), intent(inout)	forces,
		real(wp), dimension(num_ibs, 3), intent(inout)	torques )

Definition at line 473 of file m_collisions.fpp.f90.

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s_apply_ib_collision_forces_soft_sphere()

subroutine m_collisions::s_apply_ib_collision_forces_soft_sphere	(	integer, intent(in)	num_considered_collisions,
		real(wp), dimension(num_ibs, 3), intent(inout)	forces,
		real(wp), dimension(num_ibs, 3), intent(inout)	torques )

applies collision forces to IBs assuming a soft-sphere collision model (all IBs are circles or spheres)

Definition at line 498 of file m_collisions.fpp.f90.

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s_apply_wall_collision_forces_soft_sphere()

subroutine m_collisions::s_apply_wall_collision_forces_soft_sphere	(	real(wp), dimension(num_ibs, 3), intent(inout)	forces,
		real(wp), dimension(num_ibs, 3), intent(inout)	torques )

applies collision forces to IBs assuming a soft-sphere collision model (all IBs are circles or spheres)

Definition at line 652 of file m_collisions.fpp.f90.

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s_detect_ib_collisions()

subroutine m_collisions::s_detect_ib_collisions	(	type(ghost_point), dimension(num_gps), intent(in)	gps,
		type(integer_field), intent(in)	ib_markers,
		integer, intent(in)	num_gps,
		integer, intent(out)	num_considered_collisions )

uses ghost-point/image-point information to determine if it is possible if two IBs are colliding, effectively an optimized nearest neighbor search

Definition at line 769 of file m_collisions.fpp.f90.

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s_detect_ib_collisions_n2()

subroutine m_collisions::s_detect_ib_collisions_n2

(

integer, intent(out)

num_considered_collisions

)

Definition at line 923 of file m_collisions.fpp.f90.

s_detect_wall_collisions()

subroutine m_collisions::s_detect_wall_collisions

uses boundary conditions and particle locations to check for wall conditions

Definition at line 1007 of file m_collisions.fpp.f90.

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s_finalize_collisions_module()

subroutine, public m_collisions::s_finalize_collisions_module

Definition at line 1150 of file m_collisions.fpp.f90.

s_initialize_collisions_module()

subroutine, public m_collisions::s_initialize_collisions_module

Definition at line 361 of file m_collisions.fpp.f90.

Variable Documentation

collision_lookup

integer, dimension(:,:), allocatable m_collisions::collision_lookup

Definition at line 333 of file m_collisions.fpp.f90.

damping_parameter

real(wp) m_collisions::damping_parameter

Definition at line 335 of file m_collisions.fpp.f90.

spring_stiffness

real(wp) m_collisions::spring_stiffness

Definition at line 335 of file m_collisions.fpp.f90.

wall_overlap_distances

real(wp), dimension(:,:), allocatable m_collisions::wall_overlap_distances

Definition at line 334 of file m_collisions.fpp.f90.