Sizing Optimization: node set not defined error

[JPC_Jr]

I am currently getting an error while trying to run a sizing optimization model but I am getting an error saying the node-set has not been defined. I am unsure where to define this node-set. Do yall happen to know how to fix this?

My model is composed of two shell components. They share the same mesh, but one label "reinforcement" is offset half the thickness. The shells are simply supported along the edges and have a uniform pressure applied. I am trying to use sizing optimization to reduce the shell thickness of the "reinforcement" section to minimize the mass while constraining the amount of displacement to 0.1 mm.

https://files.engineering.com/getfi...5-4403-9338-e6f3e6dc1ed0&file=Sizing_Test.cae

Any tips as to what node-set I need to be defining? Thanks

 

[FEA way]

Check the output files for warning messages related to this issue and search the input file for the node set mentioned in the error message. You have to find out which feature definition uses this non-existent node set.