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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: How to get nodfor and nodout in the ASCII database?

Hi @sakib135408, You need to make sure the nodes are not on rigid parts and make sure you add them to for extraction using *Database_history_node. ...

4 years ago
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RE: SPC Box

Hi @tnine, Interesting question! I think you might be able to take advantage of *Boundary_SPC_symmetry_plane. You will provide the PID of the cube ...

4 years ago
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RE: Automatic -single-surface

Hi @kamrani, I'd suggest you read through this help page which should give you a little more baseline info for contacts. You don't activate any of ...

4 years ago
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RE: NodeID belongs to two rigid part ID

Hi @sakib135408, Sounds like you have two nodally connected parts that are both rigid. You can find which parts are referencing a node by going to ...

4 years ago
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RE: Offset Command

Hey @francesco-curzio, Sorry for the delayed response. That offset option will only offset the elements inward or outward from their position. What...

4 years ago
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RE: How to detach a portion of a meshed part and assign new part id to the detached portion?

@sakib135408 you can do this by moving elements to different parts in LS-PrePost in the Element tool tab, then Move/Copy

4 years ago
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RE: Using External Resources to Compute Simulations

@rybask1 I believe the only thing that you would need is an MPP solver of dyna that you could launch from the HPC.

4 years ago
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RE: Error Termination without specific error message

@wjy950312 You can also try searching for “NaN” or “out-of-range” and see if that yields anything

4 years ago
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RE: Analysis stops running bug

That error is quite the pain. Try some of the solutions discussed here in the past:

4 years ago
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RE: Force output of rigid body (Steel ball impactor) is zero througout the time.

Hi @moaown, The section force of the rigid ball is zero because rigid parts cannot deform, so there is not way for that section to register force. T...

4 years ago
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RE: Discrete mass

@kamrani You can make an *Element_mass and reference one of the nodes that defines the discrete element.

4 years ago
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RE: How to merge seperate parts to one part in ls-prepost

Hi @mogud, Are they connected? Or are they separate in space and are defined as 2 parts, such as PID 1 and PID 2? And you just want to make them bot...

4 years ago
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RE: the length of the command line...

Hi @kamrani, As a test, try moving your model to a shorter path (folder in C: if local) and shorten your file name. See if that works.

4 years ago
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RE: increasing LS-DYNA run time abnormally

Hi @kamrani, How many cpus are you running this on? Or a better question is are you running this on a local computer or a cluster/HPC? Also, you ...

4 years ago
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RE: No Separation After Contact

@icebreakersours I've never tried to implement a contact where it "sticks" after impact but I believe that the way I described would be how to do it. ...

4 years ago
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