Distributed mass

Alessia
Alessia Altair Community Member
edited September 2022 in Community Q&A

Hello everyone,

I'm using Optistruct solver and I'd like to add 3 kg on the white surface for a static analysis and a normal modes one.

image

Does someone know how?
Thank you

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Answers

  • Adriano A. Koga
    Adriano A. Koga
    Altair Employee
    edited September 2022

    you can use the 'Masses' command to add a concentrated mass and apply it to a RBE3 element connected to all nodes of this face.

    Or you could use NonStructuralMass (NSM) and add a mass/area to your shells.

    image

  • Alessia
    Alessia Altair Community Member
    edited September 2022
    Adriano A. Koga_21884 said:

    you can use the 'Masses' command to add a concentrated mass and apply it to a RBE3 element connected to all nodes of this face.

    Or you could use NonStructuralMass (NSM) and add a mass/area to your shells.

    image

    Thank you!

    • Do I need to add these masses to the loadsteps (just like we do with constraints or loads)?
    • Do I need to add a Load Collector "GRAV"?

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