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At any time you just redefine the sizing on the surface with the "replace mesh size on all curves" box selected and refresh the plot; the new sizes will be reflected (even after it has been previously meshed). Or if you just want to redefine a singe curve, do so and select "number of elements"...

The reason MSC bought MARC was because NASTRAN nonlinear was not very good in contact. MSC now sells a nonlinear package(NASTRAN nonlinear that adequately takes care of large deflections and material nonlinear). If the user needs contact or a larger library of materials, he will have to pay...

Further to what GregLocock said about ADAMS assuming that the "bodies are rigid" - you may wish to checkout ADAMS/Autoflex to help reduce the cycling times between items 4) and 5). http://www.mscsoftware.com/assets/1722_ADAM303ZAFLXZLTDAT_R5.pdf

I was wondering if anyone had any advice/opinions regarding iPart libraries that are commercially available. The company that I'm with is in the aerospace sector and uses various aviation related fasteners and electrical connectors. Thanks.

Hi, Prior to obtaining test data, there is a good example of verification procedure for parts of a large model when it is developed by outside agencies. It's basically NASA Ames formalization of much of what is mentioned in the previous responses...

I've converted ANSYS files to Patran/NASTRAN using FEMAP. I don't remember whether the geometry was maintained or not.