# HYPERFOAM Model Issue

**URL:** <https://calculix.discourse.group/t/hyperfoam-model-issue/4115>\
**Category:** Analysis issues\
**Created:** [September 23, 2026, 11:12am UTC](https://calculix.discourse.group/t/hyperfoam-model-issue/4115 "2026-09-23T11:12:54Z")\
**Posts on this page:** 1\
**Showing post:** 29

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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:** [September 24, 2026, 8:45am UTC](https://calculix.discourse.group/t/hyperfoam-model-issue/4115/29 "2026-09-24T08:45:34Z")

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> [@fgr](#):
>
> A quick workaround for you could be just to add the material parameters twice like this:

Using the N=1 parameters twice is a great idea but I would like to add an small correction. One would be doubling de energy U=U1+U2=U1+U1=2U1.

First parameter should be divided by 2.

```markdown
u1/2, 3.0, u1/2, 3.0, 0.05, 0.05

```

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