SIMULIA How-to Tutorial for Abaqus | Modeling Contact using Contact Pairs - Part 1 of 2

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This ABAQUS video illustrates auto-trim tool in sketcher, use of boundary condition manager to activate/deactivate boundary conditions in specific steps, plot contact pressures to identify contact, understanding contacts in Abaqus, creating interaction properties and specifying the interactions.
New Topics Covered in this Tutorial:
Model/Preprocessing
- Use the Auto trim tool in the sketcher
- Use the country Condition manager to activate/deactivate boundary conditions in specific steps
- Define Surfaces in the assembly
- Understand contact in Abaqus
- Create interaction properties (contact)
- Specify interactions (contact pairs)
- Understand friction models available in Abaqus
Results/Post Processing
- Plot contact pressures to identify contact
- Use Display Group tools to display/ hide parts in viewpoint
Fast Forward:
00:14 - Overview
4:07 - Part 1, Create setup for Contact Analysis
21:39 - Part 2, Create Interaction Properties and Post-Processing
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[@Concreteblockmachineug]

Thanks For the tutorial Sir, I tried everything in the video and here are some of the things i had to adjust to get some results. The force applied was too big reduced it to 200N, also adjusted the initial increment size for both steps to 0.01, BC: press plank reduced 0.2 to 0.1 and press rectangular block 0.21 to 0.11.

[@juanvillamil4431]

Hi everyone. I had the same problem like Henry and his advice actually works. I use ABAQUS 2017. Indeed, it's necessary to reduce displacement magnitude imposed as boundary condition and that resolves covergence abortion of the simulation.
Btw, Thanks for the great tutorial.

[@amirh.4659]

Tnx for ur complete and thorough analysis!

[@amandagoncalves2730]

Excellent video, specially for the theoretical explanations, thank you!

[@souper80]

Thanks for tutorial, helped me a lot, very informative even if i was snoring at my computer by the end. :D thumbs up on video

[@vedantambekar5771]

Excellent tutorial !!! Thanks for sharing

[@uzoff9535]

Great work! Thank you very much!

[@3dsSIMULIA]

Thank you Dmytro, happy we can help!

[@fitsumberhe8011]

Great job bro.

[@BSS0202]

Thanks for this nice and brief dissemination activity. Just one feedback to SIMULIA based on my experience: ABAQUS User Documentation is not user-friendly.

[@sattarkhan123]

great work... will you upload any viodio on DOE and regression Analyses?

[@anderamanaiah9543]

6 nodes have dof on which velocity/displacement/acceleration/base motion etc. constraints are specified simultaneously. The nodes have been identified in node set ErrNodeBCRedundantDof. i am getting this error

[@leonardoocchipinti8011]

Very nice tutorial with a great explanation of theory that is pretty unsual here in youtube. As other people said maybe it can be necessary to riduce that intial displacement to enstablish the contact between the parts to 0.1 instead 0.2 and 0.11 instead 0.21

[@KimKinal]

You saved me thanks

[@henrydang4366]

For everyone who might be getting an error saying the displacement increment is too large, try -0.1 and -0.11 instead of -0.2 and -0.21. That solved it for me

[@danielmattick1283]

Though I did not have an error saying displacement is too large, I did have "Error in job ContactSimulation: Too many attempts made for this increment". I made the change suggested you suggested after trying to look up the error given and your fix worked. Abaqus/CAE Student Edition 2019

[@benjamingreim]

Had the same problem, but needed to do it -0.01 and -0.011, whats the exact reason for this?

[@stefanwendeler9233]

Thanks. That worked for me.

[@leonardoocchipinti8011]

Very nice advice thank you very much i was getting mad

[@priyeshsharma4476]

@@leonardoocchipinti8011 should we need to add minus? In front of 0.1? Or else only 0.1?

[@penixtrapww]

Thank you for a very nice tutorial. I was able to reproduce the simulation. However, when I tried the exact same thing with my own model, only make contact step is simulated, and .sta file says that job has not been completed. That is, the apply force step is not solved. Any ideas?

[@brtroia1]

How can a surface-generates structured in Solidworks be imported into Abaqus for fatigue Analysis?

[@victoradeoke7277]

for the assembly, i was thinking what if i decided to use translate instances instead of face-to-face constraints for positioning the two blocks on and under the plank. Will this be okay too?

[@KGM16]

Thanks for this great tutorial! I wanna know about another method of using a small magnitude of force to establish a smooth contact state between the surfaces. How can we decide that ? Is there any techniques to determine such force/displacement? Thanks once again.

[@3dsSIMULIA]

Hi Sandeep, thank you for your support. Our technical experts closely monitor our SIMULIA Community and will answer your question directly if you post this on the community thread. It is free to sign up, here: www.3ds.com/products-services/simulia/communities/simulia-community/?SLC_en&

[@KGM16]

@@3dsSIMULIA Thanks for this information!

[@asdfdsa538]

There are 2 unconnected regions in the model.
what should ı do ı got this error

[@JackFrost-oo3dv]

I try this one two times, but i get errors

[@mounicnadimpally2256]

Hii all, I am seeing 2 unconnected regions in the warnings, what is the reason for this?

[@3dsSIMULIA]

Hi Mounic, we invite you to join out SIMULIA Community and post your question on the newsfeed. Our Abaqus experts will directly address your specific question! www.3ds.com/products-services/simulia/communities/simulia-community/?SLC_en&

[@caraYmii]

For me it aborts due to too many attempts being made for the increment (increment 27 for Step 2), and all warnings are about negative eigenvalues. I have the 2020 version, though.. The tutorial was still really helpful, though!

[@caraYmii]

It also presses the plank up, even though the load is applied the way you said to apply it. Looks very funny. So I may have done something very wrong either way. Or it just looks weird before it deforms like it should.

[@jiazhenghu6055]

@@caraYmii same here lol’

[@surya6185]

Can we get final analysis pdf report as same we get with ansys software

[@3dsSIMULIA]

Hi Surya, we invite you to join our SIMULIA Community where you can ask questions on our newsfeed and you can expect a reply from one of our technical experts: bit.ly/2ObZVcC

[@amirh.4659]

please talk slower in your videos... you talk so quickly that I can't follow you words!!