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. Fluids - General
  3. How to execute a UDF (execute-on-demand) by execute commands?

How to execute a UDF (execute-on-demand) by execute commands?

Tagged: 18.1, fluent, fluid-dynamics, General - FLUENT
    • June 5, 2023 at 7:06 am
      FAQFAQ
      Participant

      The command to add in the execute command panel is /define/user-defined/execute-on-demand “test::libudf” in which “test” is the name of the macro DEFINE_ON_DEMAND to execute and “libudf” is the name of the library for the UDF.

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.