# Calculix BEGINING

**URL:** https://calculix.discourse.group/t/calculix-begining/1745
**Category:** Uncategorized
**Created:** [July 30, 2023, 6:53pm UTC](https://calculix.discourse.group/t/calculix-begining/1745 "2023-07-30T18:53:15Z")
**Posts on this page:** 1
**Showing post:** 19

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### Author: ![xyont](https://yyz2.discourse-cdn.com/free1/user_avatar/calculix.discourse.group/xyont/32/3553_2.png) [@xyont](https://calculix.discourse.group/u/xyont)
#### Post date: [July 31, 2023, 9:13am UTC](https://calculix.discourse.group/t/calculix-begining/1745/19 "2023-07-31T09:13:26Z")

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> [@MichaelPE](#):
>
> I am using 20 node brick elements because they fit what I am modeling and seem efficient with little error. and have few issues.

indeed, or then it can be reduced by using linear hexahedral element with incompatible modes.

but, unfortunately not all model can be done by preset and single click to do automaticlly. hex-dominant meshing attract large user and give promise to simplified the task.

it seems, linear tetrahedral element seriously need to [improves](https://calculix.discourse.group/t/any-improvement-of-linear-tetrahedral-element/1516) to fill this gaps.

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