Simulation not finished

Haj Hassan
Haj Hassan Altair Community Member
edited October 2020 in Community Q&A

Hello,

we are getting some problems to finish this simulation, although we used FEM with MoM.

Can you please support us if it is possible?

 

Thanks in Advance.

 

Best Regards

Haj Hassan

Unable to find an attachment - read this blog

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Answers

  • Mel
    Mel Altair Community Member
    edited August 2019

    Hi Hassan


    Please attach the full screen output and *,out file as well.

  • Haj Hassan
    Haj Hassan Altair Community Member
    edited August 2019
    Altair Forum User said:

     

    Hello,

    Please check it.

     

    Thanks 

    Haj Hassan

    Unable to find an attachment - read this blog

  • Mel
    Mel Altair Community Member
    edited October 2020

    Hi Haj Hassan


    You should add another cylinder of air around the lens with local mesh size lam_freespace/10. 

    This is explained in this thread.

  • Mel
    Mel Altair Community Member
    edited September 2019

    Hi Haj

    Your model was suitable for internal testing.

     

    Attached a FEM/MoM version which I was referring to above.

    <?xml version="1.0" encoding="UTF-8"?>fem_mom_image.jpg

     

    It would seem that convergence is quite tough for this model. Using here a direct solution. It is more memory hungry, but from your OUT file I see you have enough memory for this.

    The patch array feeds were converted to current sources inside the FEM region.

     

    I have removed the mesh to reduce the attachment size. You would have to rerun the model your side and add the output requests which I removed for testing purposes.

    You will need Feko version 2019 and run the updater to get version 2019.1

    Unable to find an attachment - read this blog

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