Best practice for defining Orthotropic Material Axes on a Cylindrical Shell

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Rija Baritiana

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Sep 24, 2026, 10:47:33 AM (11 days ago) Sep 24

to LS-DYNA2

Hi everyone,

I am modeling a thin cylindrical shell silo using orthotropic material properties where the a-axis must be aligned vertically along the silo height (Z-axis) and the b-axis along the circumference (hoop direction).

I am seeking advice on how to proceed with setting up the local material directions in LS-DYNA to ensure robust alignment across all curved shell elements.

What is the standard workflow to visually plot and verify the element local a-axis and b-axis vectors across all cylindrical quadrants?

Any recommendations on how to proceed or example decks for orthotropic cylindrical shells would be greatly appreciated!

Thanks in advance

RRB

ziyande...@gmail.com

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Sep 27, 2026, 11:04:20 AM (8 days ago) Sep 27

to Rija Baritiana, LS-DYNA2

Hi Rija, please see this video and I hope it’s helpful to you - https://www.youtube.com/watch?v=n8KhiE-mfLU

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