[petsc-users] How to solve the pressure possion equations with four neuman bc

[Kong, Fande]

Any references on this topic except the users manual?  I am interested in
mathematics theory on this topic.

Fande Kong,

On Fri, Sep 23, 2016 at 9:58 AM, Jed Brown <jed at jedbrown.org> wrote:

> 丁老师 <ztdepyahoo at 163.com> writes:
>
> > Dear friends:
> >      In the projection method for the solution of incompressible flow,
> a pressure equation with four neuman bcs need to be solved.
> > but the pressure matrix is singular. it gives divergence solution.  how
> to solve this kind of equations.
>
> See the users manual section on solving singular systems.
>
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