Hi all,
I've encountered a very strange bug in 3DEXPERIENCE that I’ve never seen before. When I import a .stp or .step file, I can’t rotate the object in the same way I can with a native CATIA file.
For some reason, it just doesn’t rotate normally. Has any of you encountered this before? What’s the solution?
Any leads would be much appreciated.
Hi all,
I am modelling a stiffened composite panel under displacement loading (uniaxial compression). I am using S4R elements for both the skin and the stiffener, and the stiffener foot is tied to the skin.
On the transverse edges, I apply u1=1 and u1=-1 in the loading step. I also constrain u2=0 at both the bottom-left and bottom-right skin nodes (in the initial step). In addition, the outer perimeter edges of the skin are constrained with u3=0 (again in the initial step) to model a simply supported case.
The static loading step works perfectly, with no issues. However, when I switch to a buckling step, I get the following message:
"The differential matrix has 83003 negative diagonal entries."
I have never seen this before, and I have no idea what could cause this kind of behaviour.
Any ideas would be very welcome.
P.S. I've already checked the shell normals, section assignments, material orientation, tie constraint (master vs slave), etc. All looks OK to me, so I'm very clueless. Mesh is nice, structured with fine enough elements, etc.
Hi everyone,
I've been using Overleaf for a while now, and honestly, it's great for what it is, but I'm starting to hit its limitations. I'm working on a fairly structured document system with multiple separate projects, engineering documentation for a small aerospace company (15–20 people), where each project is its own self-contained thing with its own folder structure, references, and compiled output.
Overleaf's project management is fine for one-offs (I did all my uni work in it), but it gets messy fast when you have 10+ projects that need to stay organised, versioned, and locally stored.
What I'm looking for:
1. Local storage
Files need to live on our own server; we have a lot of proprietary aerospace information, so it cannot go on someone else's cloud.
2. Multi-project
Easy switching between projects, not just one giant repo. Each project lives in its own master folder.
3. Good editor
I've used TeXstudio before, but I'm not sure it's the right tool for this scale. I just need solid syntax highlighting, autocomplete, and error navigation. (PyCharm or VS Code, maybe?)
4. Compiles cleanly
Used MiKTeX with TeXstudio before, open to better alternatives if they exist. We will have reports in the order of 100+ pages easily
5. Git integration (nice to have)
I think Git would be the way to go for versioning, but I'm open to alternatives. It just needs not to fight with it.
I know it's an open-ended question, but I've never built a system this structured before and wanted to ask the experts: what's the state of the art for this kind of setup right now?
Thanks in advance!
