buffalo_panel.geometry.LinePanelGeometry2D

class buffalo_panel.geometry.LinePanelGeometry2D(geometry_id, geometry_name, x, y, connectivity, x_start, y_start, x_end, y_end, x_col, y_col, length, s_x, s_y, n_x, n_y, body_panel_indices, trailing_edge_panel_index)

Shared line-panel geometry information for two-dimensional discretizations.

This base class stores the panel-node, panel-segment, collocation-point, and local-frame data shared by both thick-body and thin-body discretizations. Subclasses provide the semantic interpretation of those points.

Attributes

geometry_id	Unique-orchestrator identifier for this geometry.
geometry_name	Display name for this geometry.
x	Geometry x-coordinates.
y	Geometry y-coordinates.
connectivity	Connectivity mapping each panel to its start and end points.
x_start	Starting x-coordinates for every panel.
y_start	Starting y-coordinates for every panel.
x_end	Ending x-coordinates for every panel.
y_end	Ending y-coordinates for every panel.
x_col	Collocation x-coordinates for every panel.
y_col	Collocation y-coordinates for every panel.
length	Length of every panel.
s_x	Unit tangent vector x-component for every panel.
s_y	Unit tangent vector y-component for every panel.
n_x	Unit normal vector x-component for every panel.
n_y	Unit tangent vector y-component for every panel.
body_panel_indices	Body panel index for every panel.
trailing_edge_panel_index	Index of the trailing edge panel, or None if there isn't one.
collocation_points	Return the x,y coordinates for the collocation points.
is_closed	Return whether the geometry is closed.
n_body_panels	Return the number of body panels.
n_panels	Return the number of panels.
nodes	Return the x,y coordinates for the panel nodes.
normals	Return the unit normal vectors for each panel.
tangents	Return the unit tangent vectors for each panel.

geometry_id: int

Unique-orchestrator identifier for this geometry.

geometry_name: str

Display name for this geometry.

x: FloatArray

Geometry x-coordinates.

y: FloatArray

Geometry y-coordinates.

connectivity: IntArray

Connectivity mapping each panel to its start and end points.

x_start: FloatArray

Starting x-coordinates for every panel.

y_start: FloatArray

Starting y-coordinates for every panel.

x_end: FloatArray

Ending x-coordinates for every panel.

y_end: FloatArray

Ending y-coordinates for every panel.

x_col: FloatArray

Collocation x-coordinates for every panel.

y_col: FloatArray

Collocation y-coordinates for every panel.

length: FloatArray

Length of every panel.

s_x: FloatArray

Unit tangent vector x-component for every panel.

s_y: FloatArray

Unit tangent vector y-component for every panel.

n_x: FloatArray

Unit normal vector x-component for every panel.

n_y: FloatArray

Unit tangent vector y-component for every panel.

body_panel_indices: IntArray

Body panel index for every panel.

trailing_edge_panel_index: int | None

Index of the trailing edge panel, or None if there isn’t one.

property n_panels: int

Return the number of panels.

property n_body_panels: int

Return the number of body panels.

property nodes: FloatArray

Return the x,y coordinates for the panel nodes.

property collocation_points: FloatArray

Return the x,y coordinates for the collocation points.

property tangents: FloatArray

Return the unit tangent vectors for each panel.

property normals: FloatArray

Return the unit normal vectors for each panel.

property is_closed: bool

Return whether the geometry is closed.