Negative Volume
Negative Volume
@negativevolume
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Joined: January 16, 2019 3:58 am
Last seen: October 10, 2026 11:00 am
Topics: 14 / Replies: 661
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RE: Shell Thickness

@xiaoxiaojx Ah I see. Yeah this is just a visualization issue with LS-Prepost. The thickness defined in your k file is what is actually run. I think t...

4 years ago
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RE: Negative pressure on the surface of my model

Hi @sheida, How are you prescribing the pressure? And how are you visualizing the pressure in post-processing? Are the values near what you would e...

4 years ago
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RE: MAT040 not detecting non-linearity

Hi @janeshka, It's a little difficult to help you figure out the problem without having more details. How do you know your current material is not ...

4 years ago
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RE: Differences between d3plot and intfor

Hi @wehraboo1, If I'm not mistaken, intfor provides a binary file for viewing contour plots of each interface in your simulation. I can't remember ...

4 years ago
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RE: Making simple changes in my model results in the simulation crashing.

@cptmarais there is something else wrong with your model. It will run but it's blowing up. Can you double check that you've kept consistent units thro...

4 years ago
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RE: Making simple changes in my model results in the simulation crashing.

Hi @cptmarais, Sorry for the delay, it seems like you've got a problem with your contact. I removed it and it appears to be running. Anytime you se...

4 years ago
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RE: Shell Thickness

Hi @xiaoxiaojx, So in your image, the top is the k file and the bottom is the d3plot? Which parts are you talking about not showing your element th...

4 years ago
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RE: Memory allocation in LS-Dyna using batch script

A lot of times this error is due to unstable simulations where you have contacts failing or parts blowing up. Can you try to run a simulation that you...

4 years ago
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RE: Error 20211 (STR+211) while 2D impact analysis

Try making the master side the PID of the blade and the slave side a node set of the entire piece of wood. "Eroding contact types are recommende...

4 years ago
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RE: Foam Compression

Hi @kein_roboter, When you say erode=1, what card is that in? Because I didn't think fu chang foam had that option.

4 years ago
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RE: Suppress parts for physics

I just checked. You are going to need to select "remove new unref elem. node" and check the box "clean model" if you want to use the element tool meth...

4 years ago
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RE: Suppress parts for physics

@rvnntgatech-edu I’m not by my computer so I won’t be able to tell you exactly what windows to go to. But your method should work if you select a box ...

4 years ago
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RE: Suppress parts for physics

Hi @rvnntgatech-edu, By “suppress” parts, do you just want to remove them from the model entirely?

4 years ago
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RE: Maximum Time Step size

@kingoz79 okay so did you get everything figured out?

4 years ago
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RE: Maximum Time Step size

Hi @kingoz79, I'm a bit confused because you say you are running an explicit analysis but are trying to use a *control_implicit card to control you...

4 years ago
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