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How to put a radial load on a load located on the axis of a shaft

Leo_dplts · 2025-05-21T13:59:59+00:00

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Leo_dplts

Description: I need to study the loads on a rotating shaft and I got radial loads but I don't know how to place the load on a specific load located on the axis of the shaft.

Product/Topic Name : hypermesh, RFORCE

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Rajashri_Saha

Hi,

If it is centrifugal loading, you can create RFORCE and fill the required parameters like G for grid id, CID, A for rotational velocity, RACC for rotational acceleration etc.

Refer the below link for more info.

https://help.altair.com/hwsolvers/os/topics/solvers/os/rforce_bulk_r.htm?zoom_highlight=rforce

How to Use RFORCE Load with Hypermesh OptiStruct — Altair Community

Thanks…

Leo_dplts

Hi,

It's not really a centrifugal loading because it doesn't depend of the radius but the load on my problem is a load oriented in the direction of the vector er of a cylindrical system. So I created the cylindrical system and I created my RFORCE but I don't know how to select the node G. Which as to be in the center of the shaft.

Thanks

Rajashri_Saha

You can create an RBE3 which connect the shaft nodes and you can get the dependent node as the CG/center of the shaft. Then select this node in G field of RFORCE.

Thanks