Simcenter 3D Solutions RBE 3 Elements with weights
2024-10-07T15:12:59.000-0400
Simcenter 3D
Summary
How can I setup weighting factors for RBE3 elements? What are the inputs to Nastran? What are my forces?
Details
RBE3 – DOF Weights.
How can I setup weighting factors for RBE3 elements? What are the inputs to Nastran? What are my forces?
Demo Model
- Fixed Bottom
- Load 25 lb
- 25 RBE3 Connections
With option checked
NASTRAN syntax preview from NX
Nastran input file
Resulting Nodal force report
With weights
- Load of 25 lb NOT equally distributed to each leg.
- More load to shorter legs
- Less load to longer legs
DOF Weights toggled off
NASTRAN syntax preview from NX
Nastran input file
- Load of 25 lb equally distributed to each leg.
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