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Joined: January 16, 2019 3:58 am
Last seen: November 25, 2025 7:59 pm
Topics: 13 / Replies: 659
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RE: LS Dyna Training Advice

Hi @jacob_22, @pjay offered up some good advice. Most of the time, the best way to learn how to use LS-Dyna and the various pre and post-processors...

5 years ago
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RE: Elform3

@mass the contact I’m referring to would be the Single Surface one. Try changing Soft=2 and Depth=5. You can also look into adding some damping throug...

5 years ago
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RE: Elform3

@mass Okay it looks like you’ve got some complicated interactions during the tube crush. This issue may be solved with a change in the contact. Aside ...

5 years ago
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RE: Strain plot

Hi @hugo-s, Do you have *Database_extent_binary in your Keyword? You need to change STRFLG to 1 for strains to write to .d3plot and ELOUT.

5 years ago
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RE: forrtl: severe (157): Program Exception - access violation in LS Dyna

Hi @error_man, Try changing your LS-Dynamic solver to the double precision version. So instead of “_smp_s_” it would be “_smp_d_” of the same versio...

5 years ago
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RE: Springback Analysis Using Ls-Dyna Explicit Solver

Hi @cae_training_consulting, I will allow these link drops for now as long as you participate in the community and don’t solely spam your videos.

5 years ago
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RE: Staged Construction

@hugo-s Just delete that 2nd row of zeros from your keyword and it should work fine.

5 years ago
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RE: Elform3

Hi @mass, Below is a good overview of solid element formulations and the differences between them. There is actually a comparison between different...

5 years ago
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RE: Staged Construction

@hugo-s Okay so this is a great example of version differences. These parameters must have been added or removed. What version of LS-PrePost are you...

5 years ago
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RE: Staged Construction

Hi @hugo-s, When I go into LS-PrePost and look at *Control_staged_construction, this is what I see. There are more options than you mention and I d...

5 years ago
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RE: Foam modelling issues

@anuragdogra To start, you need an *Hourglass control for the foam. I would suggest using IHQ=6 and QM=0.5 - 1.0. You are probably seeing instabilitie...

5 years ago
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RE: *SECTION_SPG issues

Hi @pyin2019, I don’t know which version was first to implement this but you should try v10.2 as a start.

5 years ago
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RE: Foam modelling issues

@anuragdogra okay that makes sense. You were correct to use the modulus from the specimen. I’ll take a look a little further and get back to you.

5 years ago
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RE: forrtl: severe (157): Program Exception - access violation

@dendencel Just to make sure that it isn't a version error, could you try LS-Dyna version 10.2 with double precision?

5 years ago
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RE: Foam modelling issues

Hi @anuragdogra, What do you mean by "specimen tested" vs "material itself". I'm not sure what the difference in the material tested is between the...

5 years ago
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