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Usually you search 'FATAL' in the f06 file, and the first finding will give you the hint about your problem. In your case, it is '*** USER FATAL MESSAGE 9994 (BULKPM) MAT1 with MID=2 near line 120381 User information: E:3.40282+38 is an illegal real value.' Go check the E (Young's modulus)...

Patran needs you to tell which version of Nastran you want to use. It has a default one (for example Nastran 2012). And you probably are using another one (for example Nastran 2013). You can use 'Translation Parameters' in the Analysis form to check what is the default one Patran is using. And...

1. usually contact body with finer mesh and softer material should be the slave. 2. from you description, the contact between the 2 bodies is touching contact. 3. These options determines the mater/slave. If you are not sure, you should use Automatic. 4. You should read Nastran Quick Reference...

You need to open the f06 file, search 'fatal', and paste the fatal error message Nastran reports.

Thanks for the update.

You should use 3D option. You don't need to select Contact Area. You should define 2 contact bodies, and select 1 solid for 1 contact body. After you define 2 contact bodies, in the subcase definition, you can define contact table. And you should deactivate self contact (contact between 1 and...

constrain the vertical direction DOF (Z)?

It sounds like a bug. You should probably report it to MSC.

Not sure about your question. Results without contact is different from results with contact. That sounds reasonable to me.

I had no such problem. If you change the 'Title Editor' settings in the 'Results' tab, will that make the title come up?

Have you tried 'Display\Titles' menu?

For each layer of your PCOMP with ID 14, there is no material ID.

You forgot to assign the material to the elements?

I don't use Sol 600. I usually just use Marc. So I don't know the answer. But you can probably try other types of forces, if they are available in the results.

Check the damage plot in your structure to determine the first ply failure load. Check this video starting from 9 minutes: https://www.youtube.com/watch?v=XHJvlwVmMJs. For ultimate failure load, if you have the load-deflection curve, why can't you find that from the curve?

Add 'param,inrel,-2' in your bulk data section to activate inertia relief.

You need to post-process the t16 file in Patran. In Patran, you can use XY-Plot in the Results tab to create load deflection curve.

There should be some problem in the shell element property definition. You need to check those entries.

So you want to use a single layer of shell elements, even for the area with holes?

Did this error come up before the nonlinear iteration or in the middle of the iteration?