General Mechanical

General Mechanical

Modes not Showing on Modal Analysis

    • sgrah123

      I have two different films I am comparing; they are both of the same dimensions. One has a psuedo-random grating design, and the other is a closed solid. 


      I have specified ANSYS to show 6 modes upon solving the Modal Analysis. I am not sure why only 2 modes are showing for the film with a grating design, but all 6 are showing for the standard one. The first two modes appear to be the same. 

      All 6 specified modes are showing for the film with no grating design.Only 2 modes are being shown after solving with this design.

    • sathya


      In the Analysis setting check for number of modes to extract and number of modes to expand.

      Make sure it is 6 for 2nd analysis too.

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