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Discuss installation & licensing of our Ansys Teaching and Research products.

V2022, ANSYS CFX-Pre (black screen)

    • jpabraham
      Subscriber

      My university just upgraded to 2022 and when running a CFX analysis, when I open CFE-Pre the graphics screen is black.  No problems with spaceclaim, or with the mesher.  Just at CFX-Pre.  Any ideas?

      John Abraham

      University of St. Thomas

      jpabraham@stthomas.edu

    • Nikhil N
      Subscriber

      Hello, 

       

      Are you working on the local system or on a remote desktop? 


      In the latter case, try setting an environment variable on the remote system. 

      • Name: QT_OPENGL
      • Value: desktop 

       

      You will find an ocean of resources on the internet on how to set an environment variable. 

       

      Nikhil 

    • Ruby Noble
      Subscriber

      Hello, 

      My university had us install the 2023 version of Ansys for CFD and FEA. I am also new to the software. When running a CFX analysis and trying to make a simulation, the CFX pre just displays a half loaded white screen without the model.

      I know I have successfully defined my set up, mesh and geometry because a green tick. The solver is working perfectly as well becuase it is also inidcated by a green tick.  Why can't I see the model in the set up for CFX pre? I tried clicking on different views and reloading it and it is the same result.

      I am running it on my own computer and saving files locally and not on a cloud. 

      Hopefully the picture gives a visual aid on what my problem is.

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