# Convect( ) in parallel

**URL:** <https://community.freefem.org/t/convect-in-parallel/1270>\
**Category:** General Discussion\
**Created:** [October 21, 2021, 10:32am UTC](https://community.freefem.org/t/convect-in-parallel/1270 "2021-10-21T10:32:10Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![prj](https://avatars.discourse-cdn.com/v4/letter/p/ecae2f/32.png) [@prj](https://community.freefem.org/u/prj)\
**Post date:** [October 21, 2021, 11:40am UTC](https://community.freefem.org/t/convect-in-parallel/1270/2 "2021-10-21T11:40:23Z")

</div>

Just look at the examples… [FreeFem-sources/convect.edp at develop · FreeFem/FreeFem-sources · GitHub](https://github.com/FreeFem/FreeFem-sources/blob/develop/examples/hpddm/convect.edp)  
Using `convect` inside a `varf` is wrong, and you’ll get incorrect results for high velocities/timesteps.

---

_[View the full topic](https://community.freefem.org/t/convect-in-parallel/1270)._