This boundary condition enables you to define the symmetry plane (Neumann boundary).
Analysis Types
The Symmetry Plane loading condition is available for Coupled Field Harmonic and Harmonic Acoustics analyses.
Common Characteristics
This section describes the characteristics of the boundary condition, including the application requirements, support limitations, and loading definitions and values.
Dimensional Types
3D Simulation: Supported.
2D Simulation: Not Supported.
Geometry Types: Geometry types supported for the Symmetry Plane boundary condition include:
Solid: Supported.
Surface/Shell: Not Supported.
Wire Body/Line Body/Beam: Not Supported.
Topology: The following topology selection options are supported for Symmetry Plane.
Body: Not Supported.
Face: Supported.
Edge: Not Supported.
Vertex: Not Supported.
Nodes: Not Supported.
Element Face: Not Supported.
Element: Not Supported.
Loading Data Definition: Not applicable.
Boundary Condition Application
To apply a Symmetry Plane:
On the Environment Context tab: select Acoustic Boundary Conditions > Symmetry Plane. Or, right-click the Environment tree object or click in the Geometry window and select > > Symmetry Plane.
Define the Scoping Method.
Details View Properties
The selections available in the Details view are described below.
Category | Fields/Options/Description |
---|---|
Scope |
Scoping Method, options include:
|
Definition |
Type: Read-only field that describes the object - Symmetry Plane. Coordinate System: Drop-down list of available coordinate systems. is the default. Symmetry Axis: Read-only field with the setting . Suppressed: Include ( - default) or exclude ( ) the boundary condition. |
Mechanical APDL References and Notes
This boundary condition is consumed for Far-field result calculations. You will not see any change to the input file if the HFSYM command is used for the Far-field calculation.
API Reference
See the Symmetry Plane section of the ACT API Reference Guide for specific scripting information.