I am evaluating a plug weld joint using loads from FEA.
I would like to apply the Blodgett line method, if possible. Tables 6 and 7 in Blodgett (pg 7.4-8) seem to indicate that this is permissible?
I am struggling with calculating the section properties though, since the welds are...
All set. I can get NFORC and the free body tool to match. Looks like if I use the summing tool (field output/save as), it only counts the average of the two nodes of adjacent connected elements, instead of including them both. Not sure why they would do it this way. But anyways, I can at...
I have multiple perpendicular plates throughout my model that are modeled with shells that are tied together (like the web and flange of a T-beam). The tie constraint represents welds. I would like to extract forces and moments at the nodes on the interface at the location of each weld, and...
You probably know more about this than me, but it also might be the case that our industries differ in our approach to assessing fasteners, simply because we are focused on different loading scenarios.
In aerospace my assumption is that you are much more focused on fastener failure due to...
This thread relates to the consideration of combined loading on fasteners:
https://www.eng-tips.com/viewthread.cfm?qid=265633
It'd also probably be helpful to add that this is a severe load case where preload is overcome. The tensile force that is included is due to externally applied loads...
FEA way, thank you, I was thinking the same thing (beam elements). I would have to make some different modeling choices elsewhere in my model to support beam elements, but it looks like I may have to do so. Without going into too much detail, this is a fluid structure interaction problem, and...
I have a model that includes several bolted joints. In this model, I have modeled the fasteners with connector elements which have the three translational stiffnesses defined (two shear, one axial).
This is a transient analysis. I am predicting failure in a minority of the bolts in two of...
I typically evaluate large steel structures subjected to severe, dynamic loads. The loading is severe enough that it is not uncommon for our analyses to predict significant plasticity.
Because the structures are large and complex, we typically use a global/local approach for evaluation of...
Thanks. Yeah, that would work. The truth is I want to start using connectors more frequently in my models, and so I saw this as a possible opportunity to do so. Connectors have a lot of capabilities that I'm not very familiar with. But I don't really need them in this instance.
I guess...
Apologize for the really basic question. I am modeling a strut acting between two points that has different releases on each end (fixed on one end, one moment released on the other). Do I need three connectors to represent the strut? One each to represent the releases on each end, and then a...
I'm a mechanical engineer working as a structural analyst. In our department, mechanical or civil engineers with programming skills are highly sought after. My assumption was that this was true for most engineering fields, as the utility of programming becomes more and more obvious.
Maybe...
I'm not sure I fully understand the details of your problem. But you should be able to do a free-free modal analysis in Abaqus and get 6 rigid body modes. I've done it many times. I'm surprised that you can't do it in any program, which makes me think I'm not understanding the specifics of...
It is simply greyed out. I am using Kinematic contact with small sliding. When I spit out my input file, the *Clearance keyword is there. But I can't seem to get rid of it in CAE. I am using Abaqus 2019.
