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How to include both gravity and multi-point time domain dynamic loads in a loadstep?

User: "Zaily"
Altair Community Member
Updated by Zaily

Hi, Guys!

Now I am using the HyperMesh and the Optistruct to simulink the load condition of the BIW. I need to create a loadstep including multi-point dynamic loads (in time history) and the influence of the gravity. I know to create a loadcollector and its card image is GRAV, and I know to multiple loadcollectors and its card image is tload1. In order to make multi-point forces act at the same time, I created a loadcolletor with dload card image for superposition. However, when creating the loadstep for transient direct analysis, there only was one loadcollector which can be selected here. so how to include both gravity and multi-point time domain dynamic loads in a loadstep?

Thanks for your reply!

Regard!

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