Negative Volume
Negative Volume
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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: *** Error 30099 (INI+99) element ID 8197 has a zero normal vector.

Hi @fatihk, It looks like ELFORM 23 is only for quad shells so it sounds like you might be running into an issue with your ELFORM conflicting with t...

5 years ago
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RE: Moment or Force applied on surface in LS-Dyna

Hi @bill94, You can apply a load using *Load keyword. There are a lot of options though, I would probably use *Load_segment or *Load_segment_set an...

5 years ago
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RE: Connecting shell elements to solid elements

Hi @ahmed-tawfik, Great question. So there is no way to have solids and shells in the same "part" but they can share nodes and be given the same ma...

5 years ago
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RE: Automated Generation of Tied Node Sets

Hi @jacob_22, The best way that I know of to create sets in LS-PrePost is through "Create Entity" which is in the Model tab under "Select Part". Th...

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

@alpha754293 and @davidbenoit Yeah this is mainly an issue with SMP and implicit simulations. The most concrete solution that I found to the issue w...

5 years ago
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RE: reinforced concrete column buckling simulation

Hi @nhdjndn, It sounds like it could be a contact breakdown between the column and the rigid plate. To check, you can create a node set of the bott...

5 years ago
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RE: Cumulative Fringe Component

@rybask1 Yeah but I did that back in grad school so I no longer have access to the script unfortunately.

5 years ago
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RE: Crossed Edges in solid sphere

@error_man okay perfect!

5 years ago
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RE: Crossed Edges in solid sphere

@error_man How did you create the sphere? It sounds like you are dealing with a duplicate node issue, meaning adjacent nodes are not connected but hav...

5 years ago
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RE: Elform3

@mass Great to hear it worked! Yeah sure, feel free to create a new topic if you want help defining fracture in your model.

5 years ago
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RE: Cumulative Fringe Component

Hi @rybask1, Very cool! I’m familiar with CSDM and have studied it in the past. I’ve ran across the same issue in PrePost and could not find a way t...

5 years ago
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RE: LS Dyna Impact analysis

Hi @siddhu1997, Sure we can try to help you. What is the current status of your project? Do you already have a model for the crash box or are you ma...

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

@error_man but it is working with double precision and the fine mesh correct? Any errors with finer mesh occurring with your contacts should either ha...

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

@error_man yes it will add computation time, but double precision is recommended for implicit simulations (not sure if you are running explicit or imp...

5 years ago
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RE: Strain plot

@hugo-s You can only have 1 *Database_extent_binary card per simulation, so you just need to change the parameters to activate whatever you need. A ti...

5 years ago
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