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Great input crackman, thank you. When I started this thread I knew how small chances are that they published eg a dc-3 report (let alone you could actually access it), yet your post exceeded my hopes and expectations. At least now we know that past reports are accessible in some way. Can you say...

Swcomposites… books are praised for real world examples…..why not just look into the original source? Wrt your best way… say that to a student (i am not) This discussion is going nowhere. Wrt making available - some reports are made available, eg the one I linked. So my answer to your...

rb1957 for educational purposes, to see theory put into practice. I think there’s hardly better source to learn stress analysis than completed reports. By the way, I am surprised it is necessary to dig so deep to retrieve such excellent educational resource such as old reports, and that they are...

thanks Mint, I also realised there is https://discover.dtic.mil/ I'm looking for docs like this one https://apps.dtic.mil/sti/pdfs/AD0657997.pdf It seems that universities have vast collections but not easily available.

Thanks Greg, that’s a lot to go through. Do you think I might find there a structural analysis substantiation report of some airframe? Also, what are chances of finding substantiation documentation of old commercial aircraft like for example DC-3, or any other? I imagine manufacturers don’t have...

Hi, I've been wondering if you have ever encountered some old, publicly available aircraft structural analysis reports? I am well aware this is highly proprietary data but would they not release a report from e.g. 1940, 1950? I bet you could learn a lot even from such old document and it would...

So I have a composite laminate structure with wall thickness of 2 mm and maximum dimension around 600 mm. Material model is fully orthotropic with 9 elastic constants defined and fabric is assumed to be symmetric (E1=E2). Structure is modelled using shell elements and loaded with pressure and...

What about using RBE3s with 6DOF connected?

I wanted to post a question in thread2-419088 but it has been closed. In the thread Burner2k asked about 2 methods of joints modeling: Currently, we use two methods to model joints. 1. We represent the fastener holes in the DFEM/Local FEM structure. The rivet or fastener is still...