PAABSF

VAL1
VAL1 Altair Community Member
edited October 2020 in Community Q&A

I'd like to analyze harmonic response with fluid grid.

I set PAABSF as non reflect boundary condition.

but these elements occurred errors.

 What is the problem?

 

<?xml version="1.0" encoding="UTF-8"?>image.thumb.png.06d2c4cc37818094191190f81e331530.png

 

 

<?xml version="1.0" encoding="UTF-8"?>image.thumb.png.d37a864b6d448cc6314db8b322064e88.png

 

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Answers

  • Rahul Rajan_21763
    Rahul Rajan_21763 New Altair Community Member
    edited July 2019

    I guess you have solid elements in your model and while meshing you would have used shell element (CTRIA) for solid element (Ctetra)creation.Please delete CTRIA elements and run again.

    Delete:Element by config:CTRIA3:select entity and delete

  • VAL1
    VAL1 Altair Community Member
    edited July 2019

    Hello,

    But CTRIA3 is used in PAABSF and input Panel,(boundary condition)

    So I cannot delete CTRIA3.

    How should I do?

  • Rahul Rajan_21763
    Rahul Rajan_21763 New Altair Community Member
    edited October 2020

    Card edit option would help you to assign CAABSF eleements.

    https://community.altair.com/community?id=community_question&sys_id=df66803a1b2bd0908017dc61ec4bcb95

  • VAL1
    VAL1 Altair Community Member
    edited July 2019

    I understand that we cannot change element type from card edit.

    we need to set from 2D⇒elem types panel.

  • VAL1
    VAL1 Altair Community Member
    edited July 2019

    I could clear the element problem,

    but another error occurred...

    Could you find the cause?

     

    <?xml version="1.0" encoding="UTF-8"?>0705.png

  • Rahul Rajan_21763
    Rahul Rajan_21763 New Altair Community Member
    edited July 2019

    Could you share the .fem file using ftin link available in my signature.

  • VAL1
    VAL1 Altair Community Member
    edited July 2019

    Hello, Rahul

     

    I sent fem file the other day.

    Could you see it ? 

  • Rahul Rajan_21763
    Rahul Rajan_21763 New Altair Community Member
    edited October 2020

    Sorry I yet to take a look. I will check and let you know. Meanwhile you can refer below post where user had similar question.

    https://community.altair.com/community?id=community_question&sys_id=1766803a1b2bd0908017dc61ec4bcb94

     

     

  • Rahul Rajan_21763
    Rahul Rajan_21763 New Altair Community Member
    edited July 2019

    It seems you too are using the version 2017.2 with modal FFR. Updating solver version should help to continue run.

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited July 2019

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