How to alter the .bdf to change contact settings from Glued to touching.

Hello, I have an assembly with 4 parts, and I need to swap 2 of the 3 contact settings from glued to touching with a friction coefficient of 0.05. Bodies 1, 2 , and 3 should be touching, while bodies 3 and 4 should be glued. I'm looking through the nastran reference guide, but interpreting the matrices within matrices is proving difficult.

Thanks for any help!

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0 Don.Graff over 3 years ago

once you feel this is working as desired, then you can add friction by defining the FTYPE (usually 6 for bi-linear coulomb) on the BCPARA entry and then a friction coefficient on the BCONPRP (FRIC field)... you call out the BCONPRP on the fourth field of the BCONECT entry.
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0 Don.Graff over 3 years ago

once you feel this is working as desired, then you can add friction by defining the FTYPE (usually 6 for bi-linear coulomb) on the BCPARA entry and then a friction coefficient on the BCONPRP (FRIC field)... you call out the BCONPRP on the fourth field of the BCONECT entry.
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