aopt for tet4

[Emanuele Solfiti]

Hello,

I would like to use 4 nodes tetrahedrons together with MAT_142.

All the material axes should be aligned at the beginning of the simulation.

Which option for AOPT is best suited?

Thanks in advance,

Emanuele Solfiti

[James M. Kennedy]

 

 

 

Also please see the following presentations:

 

Jensen, M.R., "Specifications of Directional Depended Materials in LS-DYNA", Livermore 

Software Technology Corporation, Livermore, California (undated  publication).

 

http://ftp.lstc.com/anonymous/outgoing/support/PRESENTATIONS/orthotropic-materials-draft-mrj.pdf

 

Ho, P., "Composite Capability in LS-PrePost", Livermore Software Technology Corporation,

Livermore, California, January, 2016.

 

http://ftp.lstc.com/anonymous/outgoing/support/PRESENTATIONS/lsprepostcomposite.pdf

 

Mohamed, G., "Introduction to Composites Modelling in LS-DYNA”, Oasys LS-DYNA Webinar,

Solihull, United Kingdom, June, 2018.

 

https://www.youtube.com/watch?v=RZhDc4yl4-4

https://www.oasys-software.com/dyna/wp-content/uploads/2019/03/6_Composites_Modelling_LS-DYNA_Galal-Mohamed-IN.pdf

 

Sincerely,

James M. Kennedy

KBS2 Inc.

October 10, 2022

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[James M. Kennedy]

Dear Emanuele,

 

Perhaps, this presentation may be of some interest:

 

Schmied, C., and Erhart, T., "Updated Review of Solid Element Formulations in LS-DYNA: Properties, Limits, Advantages, Disadvantages", 15th German LS-DYNA Forum, Bamberg, Germany, October, 2018.

 

https://www.dynamore.de/en/downloads/papers/2018-ls-dyna-forum/papers2018/wednesday-17th-october-2018/simulation-isogeometric-and-fe-technology/a-study-on-the-new-higher-order-solid-elements-in-ls-dyna

Hello,

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