# Re: Boussinesq Equations

Don't you still have a $\nabla . \vec{u} = 0$ equation though? It
doesn't go away. That equation becomes like a constraint.

https://www.comsol.com/multiphysics/boussinesq-approximation

On Wed, Oct 10, 2018 at 5:58 AM fgendr01 <fabien.gend...@univ-lr.fr> wrote:
>
> Hi Daniel,
> I thank you for trying to solve my problem.
> About my set of the equation here is my reasoning.
>

--
Daniel Wheeler
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