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Correctly Meshing an assembly

I'm sorry guys, I know I am always asking questions here, perhaps some are really basic, however, my thesis is due next month and, as it seems, my knowledge with NX10 was worse than I thought so and I am going a little insane. I have a part that had a 2mm thickness and I used 3D elements, but I was adviced to use 2D. So as I did (or tried to) all of the meshing seemed to be off. So I tried to redo it and everytime I do a simple Eigenmode simulation, I lots of 0 hz modes, meaning parts are disconnected from the rest of the assembly. Can you look at the files attached (the .fem file and the idealized part) and maybe redo the meshes or simply tell me what did I do wrong? Sorry for the trouble. Thanks in advance, Loismen
3 REPLIES

Re: Correctly Meshing an assembly

I don't see any files attached.

Re: Correctly Meshing an assembly

Did you create midplane abstractions at the ipart level?  If so, it's very possible the midplane surfaces aren't sewn together, leaving everything free to fly off...

Re: Correctly Meshing an assembly

My internet has been acting up lately. I've attached the zip file now.