General

General

  1. All Categories
  2. Fluids - General
  3. My CFX run is failing immediately with the following error: WHAT = MACH_FL1 Action = RETURN Calling routine || = CONTROL_LOOP CRESLT = CVAR What does this mean and how can I resolve it?

My CFX run is failing immediately with the following error: WHAT = MACH_FL1 Action = RETURN Calling routine || = CONTROL_LOOP CRESLT = CVAR What does this mean and how can I resolve it?

Tagged: , , , , , ,

    • March 17, 2023 at 8:58 am
      FAQFAQ
      Participant

      This error is most often caused by the presence of an interface between two fluid domains that contain different fluids. This creates a conflict (since the speeds of sound are different) and throws an error for the Mach number retrieval.

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.

© 2023 Copyright ANSYS, Inc. All rights reserved.