# Plane Stress Problem

**URL:** <https://calculix.discourse.group/t/plane-stress-problem/2253>\
**Category:** Uncategorized\
**Created:** [May 3, 2024, 8:52am UTC](https://calculix.discourse.group/t/plane-stress-problem/2253 "2024-05-03T08:52:31Z")\
**Posts on this page:** 1\
**Showing post:** 35

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**Author:** ![Disla](https://yyz2.discourse-cdn.com/free1/user_avatar/calculix.discourse.group/disla/32/3548_2.png) [@Disla](https://calculix.discourse.group/u/Disla)\
**Post date:** [May 6, 2024, 5:50pm UTC](https://calculix.discourse.group/t/plane-stress-problem/2253/35 "2024-05-06T17:50:18Z")

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> [@xyont](#):
>
> Probably all of them will underestimate in results since the stress actually not zero as plane stress assumptions.

Not really. Tested at least 10 different load configurations and all of them showed higher VM value for the shell when Szz=0 (Plain Stress Compliant).

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