# Sealing lip deformation / assembly problem

**URL:** <https://calculix.discourse.group/t/sealing-lip-deformation-assembly-problem/3988>\
**Category:** Analysis issues\
**Created:** [June 12, 2026, 6:10am UTC](https://calculix.discourse.group/t/sealing-lip-deformation-assembly-problem/3988 "2026-06-12T06:10:08Z")\
**Posts on this page:** 1\
**Showing post:** 25

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**Author:** ![mat25](https://yyz2.discourse-cdn.com/free1/user_avatar/calculix.discourse.group/mat25/32/4384_2.png) [@mat25](https://calculix.discourse.group/u/mat25)\
**Post date:** [June 19, 2026, 5:56am UTC](https://calculix.discourse.group/t/sealing-lip-deformation-assembly-problem/3988/25 "2026-06-19T05:56:52Z")

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> [@rsmith](#):
>
> where do you get these parameters

from here:

[\*HYPERELASTIC data for NBR - CalculiX (official versions are on www.calculix.de, the official GitHub repository is at https://github.com/Dhondtguido/CalculiX).](https://calculix.discourse.group/t/hyperelastic-data-for-nbr/1502)

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