Negative Volume
Negative Volume
@negativevolume
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Joined: January 16, 2019 3:58 am
Last seen: May 16, 2024 8:11 pm
Topics: 14 / Replies: 616
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RE: Problem with fatigue analysis and MAT ADD EROSION

Hi @javat33489, I believe your implementation is fine as long as your units are correct. But I'd like to question whether removing elements is the ...

4 months ago
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RE: Material Model For CP800 Steel

This is a useful resource I would suggest doing a google scholar search for LS-Dyna material for a sheet metal cut punch. What materials are y...

4 months ago
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RE: Need help in "ELEMENT_BEAM (ELFORM=1)

You probably have read this already, but there's quite a bit that goes into Dyna calculations. Modeling a pipe as beams is a much more simplified appr...

4 months ago
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RE: Discrepancy between LSPrepost and hand calculations -Shell element stress output

How far off are your hand calculations from Dyna? You can try using and under-integrated shell formulation like 2 and see how that changes your result...

4 months ago
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RE: How to Assign Displacement Load on Sugarcane MIlling Simulation

@nckylrd8 when you say "up" do you mean positive x? And are the rollers rotating correctly? Also is your friction defined correctly in your contact be...

4 months ago
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RE: EM_randle_batmac error

Hi @minh_le, I'm assuming the erosion is for the battery cell? Have you tried removing the EM_control_erosion?

4 months ago
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RE: Problem with fatigue analysis and MAT ADD EROSION

@javat33489 seems like a problem with the material / section / hourglass of the drill. Or you could have something weird going on with your mesh or a ...

4 months ago
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RE: Need help to create a circle on a curved surface

Hi @mmia1, You can use Element Generation (EleGen) in the Mesh toolbar in LS-Prepost to extend a shell mesh from a mesh edge or curve.

4 months ago
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RE: Errors in Load Curve ID

Hi @jmart199, When you are making the changes, are you doing so within LS-PrePost and saving the model out that way? Try taking the original model ...

5 months ago
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RE: Need help in "ELEMENT_BEAM (ELFORM=1)

Hi @mmia1 Where are you measuring the stress from? And just to clarify, you have another simulation where you modeled the pipe with shell elements...

5 months ago
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RE: Hydrostatic vessel

You are applying a pressure that doesn’t take into account material property or geometry of the part. Your resulting “pressure” from the fringe plot w...

6 months ago
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RE: Spr3 modeling

@delron hm interesting…even still, curious what the end goal of doing something like this is

6 months ago
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