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Ansys Products

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

Mesh not appearing in Fluent

    • rebecazafra
      Subscriber

      Hello,


      I am using Fluid flow Fluent but the mesh does not appear, there is nothing shown in the window. This problem only happens with Fluent and in one computer, as I opened the same file on another computer and the mesh appeared. It also happens with all meshes of Fluent files, not just with one file. 


      On the other hand, sometimes there is the following message: "Note: zone-surface: cannot create surface from sliding interface zone. Creating empty surface."


      I can modify everything but without seeing the mesh in the window.


      How can I fix it? Thank you in advance for your help!


    • Keyur Kanade
      Ansys Employee

      go to task page - display or setting up domain tab - display


      select outline and click display 


      this will display your mesh. 

    • rebecazafra
      Subscriber

      Hello,


      I have done what you said but I still can not see the mesh. It does not work.


      Do you perhaps have another solution?


      Thank you!

    • Karthik Remella
      Administrator

      Hello,


      I've moved your question the Installation and Licensing section for better visibility. I hope this helps.


      Best,


      Karthik

    • tsiriaks
      Ansys Employee

      Hi rebecazafra,


      This is likely a graphics issue. 


      Open CMD Prompt, then type the following command


      dxdiag


      then post the screenshot of the 1 page and the 'Display' page here.


      Also, open up 'Device Manager' -> expand the 'Display adapters' and post the screenshot of it.


      Thanks,


      Win

    • rebecazafra
      Subscriber

       Hello tsiriaks,


      See the screenshots below. Many thanks!





    • tsiriaks
      Ansys Employee

      Hi rebecazafra ,


      Thank you for the info.


      Please try this


      right-click on the desktop > Nvidia Control Panel > Manage 3D settings > Under "Preferred graphics processor" , change from "Auto-Select" to "High-performance NVIDIA processor , then click "APPLY" in the bottom right.


      Thanks,


      Win

    • rebecazafra
      Subscriber

      Hello again tsiriaks,


      It worked and now I see the mesh. Thank you very much for your help!

    • tsiriaks
      Ansys Employee

      Hi rebecazafra,


      Perfect ! Thank you for the update.


      Please mark this thread as resolved ('Is Solution') , so we know there is a resolution for it.


      Thanks,


      Win

    • cnokeke
      Subscriber

      Hello, 


      I'd like to know how to reduce the number of cells to 512,000 so that my geometry can appear in fluent. 

    • JakeC
      Ansys Employee

      Hi cnokeke,


      Could you please create a new thread for that question in the appropriate physics section?


       


      Thank you,


      Jake


       

    • JulianMarsano
      Subscriber

      I have the same problem as rebecazafra said but I have an Intel UHD 620 so I can't do that. Do you know what's my problem?



    • tsiriaks
      Ansys Employee

      JulianMarsano, you can try updating graphics driver to the latest version available.


      If that doesn't help, please create a new thread for your own issue. You can add the link to refer to this thread if you like.


       

    • JulianMarsano
      Subscriber

      You're a genius! Saved my life... Thank you so so much.


      Now I only have one last question, how did you know that may be the problem? I've tried absolutely everything and I didn't come up to a solution...

    • tsiriaks
      Ansys Employee

      Thank you. Glad that works for you.


      The issue is related to graphics. Generally, it is recommended to use the graphics cards that have been tested and with latest driver installed. In your case, we can't do anything with the graphics card part, so the only thing you can try is updating graphics driver. This however doesn't guarantee to help all the time because the machine is not using tested graphics card.


       

    • Yudha Putra
      Subscriber

      Hello,

      I am using Fluid flow Fluent but the mesh does not appear, there is nothing shown in the window.

      How can I fix it? Thank you in advance for your help!



    • Rob
      Forum Moderator

      Please create a new thread and also post an image of the Fluent window in addition to the above. 

      • Yudha Putra
        Subscriber

         

        Sorry, i don’t speak english but i have problem with my fluent and this image shows my problem. I hope you understand what i mean and can help me.

         

    • Rob
      Forum Moderator

      And the mesh won't transfer, or the graphics are blank? 

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