Ansys Assistant will be unavailable on the Learning Forum starting January 30. An upgraded version is coming soon. We apologize for any inconvenience and appreciate your patience. Stay tuned for updates.
General

General

  1. All Categories
  2. Structures - General
  3. What is the reason for the following error message when defining PML in an Acoustics model: “All nodes of the elements attaching to PML interface with the PML element coordinate system number 0 have PEC boundary condition.”?

What is the reason for the following error message when defining PML in an Acoustics model: “All nodes of the elements attaching to PML interface with the PML element coordinate system number 0 have PEC boundary condition.”?

Tagged: acoustics, error, pml, share topology
    • June 6, 2022 at 9:58 am
      FAQFAQ
      Participant

      This error message is due to extra nodes on the interface of PML elements. It’s recommended to use multibody part with “share topology” to generate a continuous mesh.

Featured Articles

Introducing Ansys Electronics Desktop on Ansys Cloud

The Watch & Learn video article provides an overview of cloud computing from Electronics Desktop and details the product licenses and subscriptions to ANSYS Cloud Service that are...

How to Create a Reflector for a Center High-Mounted Stop Lamp (CHMSL)

This video article demonstrates how to create a reflector for a center high-mounted stop lamp. Optical Part design in Ansys SPEOS enables the design and validation of multiple...

Introducing the GEKO Turbulence Model in Ansys Fluent

The GEKO (GEneralized K-Omega) turbulence model offers a flexible, robust, general-purpose approach to RANS turbulence modeling. Introducing 2 videos: Part 1 provides background information on the model and a...

Postprocessing on Ansys EnSight

This video demonstrates exporting data from Fluent in EnSight Case Gold format, and it reviews the basic postprocessing capabilities of EnSight.

© 2026 Copyright ANSYS, Inc. All rights reserved.