A question from a simple case study I did

Sam_21831
Sam_21831 Altair Community Member
edited August 2023 in Community Q&A

Hi,

I create a PEC plate which is illuminated by a uniform plane wave and then I introduce an aperture on the surface with a specific dimension. I found that the calculated field levels at certain frequencies become higher than expected (I set the input field value to be 1 V/m).

 

 

Thanks,

Sam

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Answers

  • AltairLiz
    AltairLiz
    Altair Employee
    edited August 2023

    What Altair product(s) are you using.  This will help to direct your question to the appropriate forum.

  • Sam_21831
    Sam_21831 Altair Community Member
    edited August 2023
    Elizabeth Bleicher_21930 said:

    What Altair product(s) are you using.  This will help to direct your question to the appropriate forum.

    image

  • Torben Voigt
    Torben Voigt Altair Community Member
    edited August 2023

    Hi Sam,

    Without seeing the model you may try refining the mesh on the edges of the aperture. Please note that it is generally recommended to perform a "mesh convergence study". This means refining the mesh and comparing the results. Only when the results do not change significantly, the mesh is fine enough. Of course, strictly speaking, this is only necessary if there are special features such as small but important details in the model.

    Best regards,
    Torben

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