rupture load (ne goes of my work)

[andrew91]

good day to all, I am a new user and this morning I had an interview for a possible future job, at the university (interrupted) I learned to model in 3d with various software and something about creating assemblies with inventor.
I come to this point: This morning at the job interview I was tested by saying that today they will send me the design of a joint with all the specifications, the design is very simple but they want the proof to break this together. I use inventor and this morning I tried to work on it but I see it only works by putting the pre-calculated forces on it. does there not exist a way to calculate maybe agents to the breaking load?

I better explain, pulling the two ends connected by the joint is the possibility to calculate the maximum force?

 

[Catafratto]

calm and chalk.
in the specific no I can help you, but if you want to find support in the forum try to leave providing at least the essential information: in mind:
- What is it? There are so many, the first thing that came to mind was a joint between two trees but then you tell me about traction so I think I'm wrong. . .
- What version of inventor do you use?
Are you talking about fem or talking about the calculator coming under the design tab? I guess you're not talking about paper and pen checks right here?
- if you're talking about fem, do you have any experience?

not to be precise, but without some information no one can help you and spend precious time. . .

Good luck, you'll see what you're doing.

 

[meccanicamg]

I would say that the verification scenario must be done as follows according to what I can understand:
- if they give you static load, apply it and do the fem
- if it has fatigue cycles you have to do the push button or second cycle that give you
- verification according to standard if bolted or welded see eurocode 3
- however static verification by hand and with von mises analyze more critical stress and use as a yielding limit/1.5 or break/3 depending on whether ductile or fragile
- calculate hand carvings and make wohler curve

in your case you will have to load the strength that they give you and make the security factor chart.

traction break test is hardly feasible via fem. you can't get the strength/strength chart unless you load a series of fixed cycles with incremental load and mark the values in excel. you will probably find a linear trend that is not cigarettes exactly the reality. depends on whether the material you use has parameters to do this analysis very deep.
If you find a concept of effort, it is not said that it is real and you will have to put mesh in order to see what happens.
we do not invent experts from today to tomorrow. depends exactly what they want from you

 

[stefanobruno]

If you've never done that, you can't hope for an amen to succeed.
the fem is a serious thing, that of inventor ni and however it is not easy to manage, or rather, it seems easy but the results is not said that let you sleep peacefully.

 

[andrew91]

I thank you for the answers, I have been very vague but for the simple fact that I have not yet been sent the executive. In essence, however, I am interested, as mechanicalmg responded, if you can or may not do virtually a traction test simulation up to yield.
no matter what joint we take into consideration, any size or material is fine, it only serves to clarify my ideas. what I'm interested in is: once the axieme is created, can I simulate to pull it up to an unknown force corresponding to the yielding load?

the capoccia basically wants to give me I am correcting without any indication if not dimensional and having in response the maximum voltage to which it can be subjected. a little like traction tests carried out on the swallows.

 

[andrew91]

If you've never done that, you can't hope for an amen to succeed.
the fem is a serious thing, that of inventor ni and however it is not easy to manage, or rather, it seems easy but the results is not said that let you sleep peacefully.

I have already explained to him that I have no knowledge or qualification to do these things but try not harm, I have to make the designer not the engineer I think he also knows that the results obtained from me must be taken with the pliers

 

[stefanobruno]

Once the axieme is created, can I simulate to pull it into traction until an unknown force coincides with the yielding load?

no, you have to go to attempts by hand changing the force applied.

 

[andrew91]

no, you have to go to attempts by hand changing the force applied.

ok doubt solved. thanks to all for the dedicated time.