[firedrake] Enforcing slip boundary condition strongly

[Colin Cotter]

Hi Justin,
  Just to be clear, are you talking about enforcing normal component of the
vector RT0 quantity to be zero?

all the best
--cjc

On 9 July 2015 at 21:28, Justin Chang <jychang48 at gmail.com> wrote:

> Hi everyone,
>
> I am solving a mixed poisson (aka: Darcy) problem using the VMS formalism
> (Masud and Hughes, CMAME, 2002) which enables one to use equal order
> lagrangian interpolation. In this formulation, the flux/velocity is
> prescribed strongly and the pressure is prescribed weakly, like how it's
> done with RT0 elements.
>
> The main difference is that velocity is now a VectorFunctionSpace as
> opposed to a FunctionSpace. My question is, how would I implement the flux
> boundary condition in a Dirichlet sense? Say I am working with a unit
> square for now. I want to enforce v_x = some value(s) for x=0/x=1, and v_y
> - some values(s) for y = 0/y = 1. How would this be done in Firedrake?
>
> Thanks,
> Justin
>
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>


-- 
http://www.imperial.ac.uk/people/colin.cotter

www.cambridge.org/9781107663916
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