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Problems when using acoustic analysis?

User: "Brian_20847"
Brian_20847
Altair Community Member
Updated by Brian_20847

Hi experts.

I am facing this error when using OptiStruct.

Please find the model attached.

Thanks.

image

image

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    User: "viniciusgomes"
    viniciusgomes
    Altair Employee
    Updated by viniciusgomes

    Hello Brian, 

    When exporting your model, can you please use the option "Merge" under Include Files:

    image

    If it still does not work, please share the generated deck. 

    Thanks,
    Vinicius

    User: "Brian_20847"
    Brian_20847
    Altair Community Member
    OP
    Updated by Brian_20847

    Hello Brian, 

    When exporting your model, can you please use the option "Merge" under Include Files:

    image

    If it still does not work, please share the generated deck. 

    Thanks,
    Vinicius

    Hi Vinicius,

    I want to ask why there is a difference between the new version and the old version when using acoustic cavity meshing.

    Thanks

    image

    image

    User: "Rajashri_Saha"
    Rajashri_Saha
    Altair Employee
    Updated by Rajashri_Saha

    Hi Brian,

    Please share the include file too as the mistake looks to be in that file.

    Thanks

    Rajashri

    User: "Brian_20847"
    Brian_20847
    Altair Community Member
    OP
    Updated by Brian_20847

    Hi Brian,

    Please share the include file too as the mistake looks to be in that file.

    Thanks

    Rajashri

    Hi Rajashri,

    The community doesn't allow to sharing of the included file. But I fixed this based on Vinicius's answer.

    I want to ask why there is a difference between the new version and the old version when using acoustic cavity meshing.

    Thanks

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