Guidance Needed on Applying Seismic & Cyclic Loads in LS-DYNA

Mohamed Elkahki

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Jan 19, 2026, 9:38:57 PMJan 19

to LS-DYNA2

Hi everyone,

I hope you’re doing well.

I’m currently working on applying seismic loading and cyclic loading in LS-DYNA, and I would really appreciate some guidance.
Could anyone explain the correct way to define seismic loads and cyclic loading in LS-DYNA?
If there are recommended keywords, example input files, or best practices, it would be extremely helpful.

Thank you in advance!

l...@schwer.net

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Jan 20, 2026, 9:09:02 AMJan 20

to Mohamed Elkahki, LS-DYNA2

I suggest you do a keyword search of “seismic loading” on the LS-DYNA conference paper web site: https://www.dynalook.com/

--len

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James Kennedy

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Jan 20, 2026, 6:39:17 PMJan 20

to Mohamed Elkahki, LS-DYNA2

Dear Kalani,

Perhaps this example might be of some help:

https://lsdyna.ansys.com/esi/#examples

Sincerely,

James M. Kennedy

KBS2 Inc.

January 20, 2026

From: ls-d...@googlegroups.com [mailto:ls-d...@googlegroups.com] On Behalf Of Mohamed Elkahki
Sent: Monday, January 19, 2026 8:39 PM
To: LS-DYNA2 <ls-d...@googlegroups.com>
Subject: [LS-DYNA2] Guidance Needed on Applying Seismic & Cyclic Loads in LS-DYNA