[aspect-devel] a quick question about velocities on the mesh

[Wolfgang Bangerth]

On 05/22/2017 01:20 AM, FELIPE ORELLANA ROVIROSA wrote:
> 
>      I am working on a 3D convection problem. I am trying to calculate some 
> things out of the velocity field.
> 
>      Is is possible to access/know the 3 velocity vector components on an 
> arbitrary node on the mesh, at any given time?
> 
> I would like to know the velocity on certain points, particularly on one of 
> the boundaries in my case. I have left the velocity boundary conditions 
> unspecified on that boundary, and it happens that I would like to compute some 
> quantities precisely there..

There is a postprocessor called "point values" that should allow you to query 
exactly this.

Best
  W.

-- 
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Wolfgang Bangerth          email:                 bangerth at colostate.edu
                            www: http://www.math.colostate.edu/~bangerth/