This boundary condition enables you to specify a face as rigid wall (Neumann boundary).
Analysis Types
The Acoustic Rigid Wall 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 Acoustic Rigid Wall 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 Acoustic Rigid Wall.
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 an Rigid Wall:
On the Environment Context tab: select > Rigid Wall. Or, right-click the Environment tree object or click in the Geometry window and select > > Rigid Wall.
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 - Acoustic Rigid Wall. Coordinate System: Drop-down list of available coordinate systems. Global Coordinate System is the default. Suppressed: Include ( - default) or exclude ( ) the boundary condition. |
Mechanical APDL References and Notes
This excitation condition is applied using RIGW label of the SF command. For more information, refer to the Rigid Wall Boundary section in the Mechanical APDL Acoustic Analysis Guide.
API Reference
See the Rigid Wall section of the ACT API Reference Guide for specific scripting information.