Error in solving acoustic analysis

Altair Forum User
Altair Forum User
Altair Employee
edited May 2023 in Community Q&A

Hi sir, 

While solving the acoustic analysis of a stator component, I got the following error 1686. Can you tell me how to eliminate the same? 

I tired detaching the solid and fluid elements.... Still getting the same error

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Answers

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited January 2018

    Hi Mayur,

     

    Looks like you are making structural grids to fluid grid by editing those nodes and providing CD= -1.

     

    Please check the same and run again, 

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited March 2018

    Hi,

    I am getting the same error again. I tried using 'detach' command and providing cd=-1 for fluid grids,

    But still I'm getting the error. 

    Could you have a look at the model? 

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited March 2018

    Could you help me on this please. 

    It's pretty urgent 

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited March 2018

    Hi Mayur,

    Please detach the fluid and the structural grids, assign cd= -1 and try running.

    If issue persist please share the model file.

  • Vinícius Santos_20886
    Vinícius Santos_20886 New Altair Community Member
    edited May 2023

    Where and how to assign cd= -1?

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