DG,
Fair point regarding the FEMAP .modfem file.
Attached is a .zip of the .bdf files for the following cases:
-Enforced rotational velocity only
-Enforced rotational velocity and acceleration
-Enforced acceleration only (0 starting velocity)
Yes, in general I'd like to be able to capture the...
Happy Friday all,
Sorry in advance for the long-winded explanation.
I'm dealing with an issue regarding SOL 112 (Modal Transient Response) which I'm hoping to receive some feedback on. I've made a simplified model (see attached) to test the behavior. The model looks like the letter "T" with...
Hello all,
I'm not sure if I accidentally changed a setting somehow, but I cannot seem to figure out how to change this for the life of me.
My criteria view results are all rounded off to the nearest 10th or worse. Smaller numbers (like strain) seem okay. Larger numbers (like stress) get...
Okay, I was able to figure it out (in case someone else runs into this problem in the future).
A few of the RBE3 elements in the model had CTE or ALPHA values defined on them (they were converted over from RBE2s). Not technically correct for what I'm doing, but not an issue for NX/Simcenter...
I'm having an issue where I've created a model in FEMAP with RBE3 elements and Autodesk gives me the following fatal error while processing the bulk data entries:
FATAL ERROR T2014: ENTRY REFERENCES AN UNDEFINED GRID 617601 IN FIELD 2
RBE3 617601 5002 123456 1. 123...
General FEMAP/Nastran question:
I've been used to using VisQ with a remote solver setup where I could export the analysis file to a specific name (i.e. "200820_Free_Free_Modes_Check.dat") then send the analysis file off to the server and have nicely named output files created.
My new company...
Onda, you are absolutely correct and this is something that was corrected on a later iteration.
That explains why the SPC forces were correct even though the MPC forces were not. That "disappearing" load was simply taken by the solid elements and therefore not visible on an MPC force plot...
Another interesting thing to note is that the loads into the posts through the bush element for the Y and Z cases (and their reaction loads) have a significant X force which actually gets translated quite well through the bush. Just the Y and Z forces which get reduced drastically. Something to...
I created a group in Patran of just the pbush elements and moved nodes so I could see results on both sides of the pbush. I then went to plot options and selected Coord 100 for my coordinate transformation. That way all results are in the loaded coordinate system (100).
For all cases, the...
Onda,
Thank you for posting those.
When you say the difference is only 1.18%, what values are you looking at and where?
Are you looking at the Bush forces vs. applied MPC force or are you looking at just the large RBE3 grid point MPC forces?
Subcase 2 and 3 don't add up when you look at the...
Here is a self contained .bdf (this is a small section of the model as not to give away any proprietary information etc...) that you can run and see the results.http://files.engineering.com/getfile.aspx?folder=6e625e8c-8405-453d-9921-175baf5fcb62&file=093008_Test_2_BO.bdf
Hi all, I have an interesting problem that I've run out of ideas on.
I have a model in SI units that includes a large RBE3 with a mass element on the dependent node, and four equally spaced independent nodes connected to zero length pbush spring/damper elements. Each pbush element is then...
