How to calculate the velocity and displacement of the air grids ?

taka_I
taka_I Altair Community Member
edited October 2020 in Community Q&A

Hi every body

I need your help. I want to run acoustic analysis using Altair OptiStruct.

How to calculate the velocity and displacement of the air grids in the acoustic space?

The velocity and displacement of object can be calculated, but not for air grids.

The output was done as shown in the image.

I'm sorry my English is not good.image

 

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Answers

  • Adriano Koga_20259
    Adriano Koga_20259 New Altair Community Member
    edited October 2020

    Hi,

     

    you should request displacements for the fluid grids.

    Did you take a look at this tutorial in the help of OptiStruct?

    OS-T: 1330 Acoustic Analysis of a Half Car Model

  • taka_I
    taka_I Altair Community Member
    edited October 2020
    Adriano Koga_20259 said:

    Hi,

     

    you should request displacements for the fluid grids.

    Did you take a look at this tutorial in the help of OptiStruct?

    OS-T: 1330 Acoustic Analysis of a Half Car Model

    Thank you for your reply.

    I did an acoustic analysis with reference to the tutorial． As a result, the velocity of the air grids could not be analyzed.

    Since the velocity of the object can be analyzed, it seems that only the fluid grids are not analyzed well. Is there a special setting required for fluid grids?

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