# fatal error in OC3 hywind

**URL:** <https://forums.nlr.gov/t/fatal-error-in-oc3-hywind/2610>\
**Category:** Structural Analysis\
**Created:** [December 14, 2021, 2:15am UTC](https://forums.nlr.gov/t/fatal-error-in-oc3-hywind/2610 "2021-12-14T02:15:54Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![Jason.Jonkman](https://dub1.discourse-cdn.com/nrel/user_avatar/forums.nlr.gov/jason.jonkman/32/3086_2.png) [@Jason.Jonkman](https://forums.nlr.gov/u/Jason.Jonkman)\
**Post date:** [December 14, 2021, 1:26pm UTC](https://forums.nlr.gov/t/fatal-error-in-oc3-hywind/2610/2 "2021-12-14T13:26:53Z")

</div>

Dear Baoxuan Wang,

We have experienced platform-yaw instability issues for models with too little yaw stiffness, e.g., as discussed in the following forum topic: [Floating platform motions - #2 by Jason.Jonkman](http://forums.nlr.gov/t/floating-platform-motions/995/2).

Best regards,

---

_[View the full topic](https://forums.nlr.gov/t/fatal-error-in-oc3-hywind/2610)._