Bolts are usually torqued enough so that no lateral load is applied to the shaft, with loads normal to the bolt being carred by friction in the materials that are being pressed together. If this is the type of bolt you are using the RBE2 model would be adequate.
If you do decide to put in...
Here's the attachment that contains the text above, hopefully not re-formatted. 'Thttp://files.engineering.com/getfile.aspx?folder=1184ae2b-3c75-4bad-860b-4a2f787f69ca&file=statespace.txt
I'm going to some NASTRAN terminology here. If you don't know the definition of some of these terms start asking questions. I don't know what tools Matlab has for converting mass and stiffness matrices to state space form, so I'll do it all in NASTRAN. You can decide if it is easier to do...
You don't have to worry about resequencing if you are working with a modern input file. There were SEQGP entries used decades ago that caused resequencing, but if you find any of these in an input file someone give you throw them away. They just make for trouble now. The only automatic...
