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Shear center or neutral axis

User: "Alex Nguyen"
Altair Community Member
Updated by Alex Nguyen

Hi everyone, I have some matters with 1D element.

In beam structure, connecting locations by welding include shape steels as channel and angle steel (nonsymmetrical section) . Absolutely, we shall model these steels into lines. Shall we create lines on shear center or neutral axis ? What case is suitable for behavior in real-life?

Thank you everyone

Best Regards.

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    User: "tinh"
    Altair Community Member
    Updated by tinh

    Depend on your real structure: forces are transfered via welds, sum of these forces called total force and I think beam's node should be at position of the total force.

     

     

    User: "Alex Nguyen"
    Altair Community Member
    OP
    Updated by Alex Nguyen

    Thank you Mr. Tinh

    Assuming I create line at shear center and connect lines together by RBE2.  That's alright ?

    Best regards

    User: "tinh"
    Altair Community Member
    Updated by tinh

    Please refer to CBEAM card info in Optistruct Reference Help, you could need to set offset values.

    User: "Alex Nguyen"
    Altair Community Member
    OP
    Updated by Alex Nguyen

    Thank you so much Mr.Tinh :)/emoticons/default_smile.png' srcset='/emoticons/smile@2x.png 2x' title=':)' width='20' />