m_ib_patches Module Reference

Allocate memory and read initial condition data for IC extrusion. More...

Functions/Subroutines
subroutine, public	s_instantiate_stl_models ()
subroutine	s_ib_circle (patch_id, ib_markers_sf)
	The circular patch is a 2D geometry that may be used, for example, in creating a bubble or a droplet. The geometry of the patch is well-defined when its centroid and radius are provided. Note that the circular patch DOES allow for the smoothing of its boundary.
subroutine	s_ib_airfoil (patch_id, ib_markers_sf)
subroutine	s_ib_3d_airfoil (patch_id, ib_markers_sf)
subroutine	s_ib_rectangle (patch_id, ib_markers_sf)
	The rectangular patch is a 2D geometry that may be used, for example, in creating a solid boundary, or pre-/post- shock region, in alignment with the axes of the Cartesian coordinate system. The geometry of such a patch is well- defined when its centroid and lengths in the x- and y- coordinate directions are provided. Please note that the rectangular patch DOES NOT allow for the smoothing of its boundaries.
subroutine	s_ib_sphere (patch_id, ib_markers_sf)
	The spherical patch is a 3D geometry that may be used, for example, in creating a bubble or a droplet. The patch geometry is well-defined when its centroid and radius are provided. Please note that the spherical patch DOES allow for the smoothing of its boundary.
subroutine	s_ib_cuboid (patch_id, ib_markers_sf)
	The cuboidal patch is a 3D geometry that may be used, for example, in creating a solid boundary, or pre-/post-shock region, which is aligned with the axes of the Cartesian coordinate system. The geometry of such a patch is well- defined when its centroid and lengths in the x-, y- and z-coordinate directions are provided. Please notice that the cuboidal patch DOES NOT allow for the smearing of its boundaries.
subroutine	s_ib_cylinder (patch_id, ib_markers_sf)
	The cylindrical patch is a 3D geometry that may be used, for example, in setting up a cylindrical solid boundary confinement, like a blood vessel. The geometry of this patch is well-defined when the centroid, the radius and the length along the cylinder's axis, parallel to the x-, y- or z-coordinate direction, are provided. Please note that the cylindrical patch DOES allow for the smoothing of its lateral boundary.
subroutine	s_ib_ellipse (patch_id, ib_markers_sf)
subroutine	s_ib_model (patch_id, ib_markers_sf)
	The STL patch is a 2/3D geometry that is imported from an STL file.
subroutine, public	s_update_ib_rotation_matrix (patch_id)
	Subroutine that computes a rotation matrix for converting to the rotating frame of the boundary.
subroutine	s_convert_cylindrical_to_cartesian_coord (cyl_y, cyl_z)
pure real(wp) function, dimension(1:3), public	f_convert_cyl_to_cart (cyl)
subroutine	s_convert_cylindrical_to_spherical_coord (cyl_x, cyl_y)
pure elemental real(wp) function	f_r (myth, offset, a)
	Archimedes spiral function.
impure subroutine, public	s_apply_ib_patches (ib_markers_sf)

Variables
real(wp)	x_centroid
real(wp)	y_centroid
real(wp)	z_centroid
real(wp)	length_x
real(wp)	length_y
real(wp)	length_z
integer	smooth_patch_id
real(wp)	smooth_coeff
real(wp)	cart_x
real(wp)	cart_y
real(wp)	cart_z
real(wp)	sph_phi
type(bounds_info)	x_boundary
type(bounds_info)	y_boundary
type(bounds_info)	z_boundary
character(len=5)	istr
type(t_model_array), dimension(:), allocatable, target, public	models

Detailed Description

Allocate memory and read initial condition data for IC extrusion.

This macro handles the complete initialization process for IC extrusion by:

Memory Allocation:

• stored_values(xRows, yRows, sys_size) - stores primitive variable data from files
• x_coords(nrows) - stores x-coordinates from input files
• y_coords(nrows) - stores y-coordinates from input files (3D case only)

File Reading Operations:

• Reads primitive variable data from multiple files with pattern: prim.<file_number>.00.<timestep>.dat where timestep uses zeros_default padding
• Files are read from directory specified by init_dir parameter
• Supports 1D, 2D, and 3D computational domains

Grid Structure Detection:

• 1D/2D: Counts lines in first file to determine xRows
• 3D: Analyzes coordinate patterns to determine xRows and yRows structure

MPI Domain Mapping:

• Calculates global_offset_x and global_offset_y for MPI subdomain positioning
• Maps file coordinates to local computational grid coordinates

Data Assignment:

• Populates q_prim_vf primitive variable arrays with file data
• Handles momentum component indexing with special treatment for momxe
• Sets momxe component to zero for 2D/3D cases

State Management:

• Uses files_loaded flag to prevent redundant file operations
• Preserves data across multiple macro calls within same simulation

Note

File pattern uses zeros_default parameter (default: "000000") for timestep padding

Directory path is hardcoded in init_dir parameter - modify as needed

Warning

Aborts execution if file reading errors occur.

Function/Subroutine Documentation

f_convert_cyl_to_cart()

pure real(wp) function, dimension(1:3), public m_ib_patches::f_convert_cyl_to_cart

(

real(wp), dimension(1:3), intent(in)

cyl

)

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f_r()

pure elemental real(wp) function m_ib_patches::f_r	(	real(wp), intent(in)	myth,
		real(wp), intent(in)	offset,
		real(wp), intent(in)	a )

Archimedes spiral function.

Parameters

myth	Angle
offset	Thickness
a	Starting position

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s_apply_ib_patches()

impure subroutine, public m_ib_patches::s_apply_ib_patches

(

integer, dimension(:, :, :), intent(inout), optional

ib_markers_sf

)

IB Patches

IB Patches

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s_convert_cylindrical_to_cartesian_coord()

subroutine m_ib_patches::s_convert_cylindrical_to_cartesian_coord	(	real(wp), intent(in)	cyl_y,
		real(wp), intent(in)	cyl_z )

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s_convert_cylindrical_to_spherical_coord()

subroutine m_ib_patches::s_convert_cylindrical_to_spherical_coord	(	real(wp), intent(in)	cyl_x,
		real(wp), intent(in)	cyl_y )

s_ib_3d_airfoil()

subroutine m_ib_patches::s_ib_3d_airfoil	(	integer, intent(in)	patch_id,
		integer, dimension(0:m, 0:n, 0:p), intent(inout)	ib_markers_sf )

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s_ib_airfoil()

subroutine m_ib_patches::s_ib_airfoil	(	integer, intent(in)	patch_id,
		integer, dimension(0:m, 0:n, 0:p), intent(inout)	ib_markers_sf )

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s_ib_circle()

subroutine m_ib_patches::s_ib_circle	(	integer, intent(in)	patch_id,
		integer, dimension(0:m, 0:n, 0:p), intent(inout)	ib_markers_sf )

The circular patch is a 2D geometry that may be used, for example, in creating a bubble or a droplet. The geometry of the patch is well-defined when its centroid and radius are provided. Note that the circular patch DOES allow for the smoothing of its boundary.

Parameters

patch_id	is the patch identifier
ib_markers_sf	Array to track patch ids
ib	True if this patch is an immersed boundary

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s_ib_cuboid()

subroutine m_ib_patches::s_ib_cuboid	(	integer, intent(in)	patch_id,
		integer, dimension(0:m, 0:n, 0:p), intent(inout)	ib_markers_sf )

The cuboidal patch is a 3D geometry that may be used, for example, in creating a solid boundary, or pre-/post-shock region, which is aligned with the axes of the Cartesian coordinate system. The geometry of such a patch is well- defined when its centroid and lengths in the x-, y- and z-coordinate directions are provided. Please notice that the cuboidal patch DOES NOT allow for the smearing of its boundaries.

Parameters

patch_id	is the patch identifier
ib_markers_sf	Array to track patch ids

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s_ib_cylinder()

subroutine m_ib_patches::s_ib_cylinder	(	integer, intent(in)	patch_id,
		integer, dimension(0:m, 0:n, 0:p), intent(inout)	ib_markers_sf )

The cylindrical patch is a 3D geometry that may be used, for example, in setting up a cylindrical solid boundary confinement, like a blood vessel. The geometry of this patch is well-defined when the centroid, the radius and the length along the cylinder's axis, parallel to the x-, y- or z-coordinate direction, are provided. Please note that the cylindrical patch DOES allow for the smoothing of its lateral boundary.

Parameters

patch_id	is the patch identifier
ib_markers_sf	Array to track patch ids
ib	True if this patch is an immersed boundary

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s_ib_ellipse()

subroutine m_ib_patches::s_ib_ellipse	(	integer, intent(in)	patch_id,
		integer, dimension(0:m, 0:n, 0:p), intent(inout)	ib_markers_sf )

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s_ib_model()

subroutine m_ib_patches::s_ib_model	(	integer, intent(in)	patch_id,
		integer, dimension(0:m, 0:n, 0:p), intent(inout)	ib_markers_sf )

The STL patch is a 2/3D geometry that is imported from an STL file.

Parameters

patch_id	is the patch identifier
ib_markers_sf	Array to track patch ids
STL_levelset	STL levelset
STL_levelset_norm	STL levelset normals

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s_ib_rectangle()

subroutine m_ib_patches::s_ib_rectangle	(	integer, intent(in)	patch_id,
		integer, dimension(0:m, 0:n, 0:p), intent(inout)	ib_markers_sf )

The rectangular patch is a 2D geometry that may be used, for example, in creating a solid boundary, or pre-/post- shock region, in alignment with the axes of the Cartesian coordinate system. The geometry of such a patch is well- defined when its centroid and lengths in the x- and y- coordinate directions are provided. Please note that the rectangular patch DOES NOT allow for the smoothing of its boundaries.

Parameters

patch_id	is the patch identifier
ib_markers_sf	Array to track patch ids
ib	True if this patch is an immersed boundary

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s_ib_sphere()

subroutine m_ib_patches::s_ib_sphere	(	integer, intent(in)	patch_id,
		integer, dimension(0:m, 0:n, 0:p), intent(inout)	ib_markers_sf )

The spherical patch is a 3D geometry that may be used, for example, in creating a bubble or a droplet. The patch geometry is well-defined when its centroid and radius are provided. Please note that the spherical patch DOES allow for the smoothing of its boundary.

Parameters

patch_id	is the patch identifier
ib_markers_sf	Array to track patch ids
ib	True if this patch is an immersed boundary

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s_instantiate_stl_models()

subroutine, public m_ib_patches::s_instantiate_stl_models

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s_update_ib_rotation_matrix()

subroutine, public m_ib_patches::s_update_ib_rotation_matrix

(

integer, intent(in)

patch_id

)

Subroutine that computes a rotation matrix for converting to the rotating frame of the boundary.

Variable Documentation

cart_x

real(wp) m_ib_patches::cart_x

cart_y

real(wp) m_ib_patches::cart_y

cart_z

real(wp) m_ib_patches::cart_z

istr

character(len=5) m_ib_patches::istr

length_x

real(wp) m_ib_patches::length_x

length_y

real(wp) m_ib_patches::length_y

length_z

real(wp) m_ib_patches::length_z

models

type(t_model_array), dimension(:), allocatable, target, public m_ib_patches::models

smooth_coeff

real(wp) m_ib_patches::smooth_coeff

smooth_patch_id

integer m_ib_patches::smooth_patch_id

sph_phi

real(wp) m_ib_patches::sph_phi

x_boundary

type(bounds_info) m_ib_patches::x_boundary

x_centroid

real(wp) m_ib_patches::x_centroid

y_boundary

type(bounds_info) m_ib_patches::y_boundary

y_centroid

real(wp) m_ib_patches::y_centroid

z_boundary

type(bounds_info) m_ib_patches::z_boundary

z_centroid

real(wp) m_ib_patches::z_centroid