No convergence of nonlinear problem! Very Simple model

No convergence of nonlinear problem! Very Simple model

Anonymous
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Message 1 of 12

No convergence of nonlinear problem! Very Simple model

Anonymous
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Hey

 

My first and very simple 2D Frame in ROBOT. 

 

I get the No convergence of nonlinear problem error when analysis. It is part of my 2. semester project. All is calculated by hand, and i am just trying to see if i can get the same, or just about, results in ROBOT.

 

The model is attached.

 

Regards

Sune

 

 

 

2D Error.JPG

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1,438 Views
11 Replies
Replies (11)
Message 2 of 12

Artur.Kosakowski
Autodesk Support
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Accepted solution

convergence1.PNG

 

If you find your post answered press the Accept as Solution button please. This will help other users to find solutions much faster. Thank you.



Artur Kosakowski
Message 3 of 12

Rafacascudo
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Do you really need to use a cable element for the diagonals , or just a "tension only" bar?

Rafael Medeiros
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Message 4 of 12

Anonymous
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Thanks. I never would have figured that out. Fast and sweet support 🙂

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Message 5 of 12

Anonymous
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Rafacascudo i guess that would do just as well. Can you point me in the direction as to where i select "tension only" for my diagonal bar?
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Message 6 of 12

Rafacascudo
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define as a standard bar element and ...

 

 

tension only bars.jpg

Rafael Medeiros
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Message 7 of 12

Anonymous
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Thx. Its a steep learning curve. Day 1 with robot 🙂 Your help is much appreciated!
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Message 8 of 12

Rafacascudo
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Although ,after 15 years (v13.5) of practice and still learning, it´s Not so steep! Maybe the easiest one to learn and operate by far!!

 

Smiley Very Happy

Rafael Medeiros
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Message 9 of 12

Anonymous
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Then perhaps you can give me pointers as to how i make my results simple and slick. As for now, we need to compared out hand calculations / dimensioning with a ROBOT analysis.
i would like to get a detailed result for bar nr.4. I will post a result of my best shot so far
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Message 10 of 12

Anonymous
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1.JPG

 

 

 

Or for a single bar this is what i can do

 

2.JPG

 

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Message 11 of 12

Rafacascudo
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Accepted solution

select the bar you want the results  ,then click on menu results/Detailed analysis...

 

or you can have it also through tables . Right click anywhere / tables.../Forces

 

and if you need more information in your tables , right click anywhere on table area and click on table columns

Rafael Medeiros
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Message 12 of 12

Anonymous
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I will give it a try after i get some sleep. Thanks Raf
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