This topic comes up pretty often. We should automate the above.

David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909

On Sun, Sep 18, 2016 at 7:39 PM, David Thompson <david.thomp...@kitware.com>
wrote:

> Hi Fande,
>
> You should be able to use the gradient filter to compute the velocity
> gradient and examine the component of the gradient normal to the wall. That
> will be proportional to the shear stress at the wall. Is the wall aligned
> with a coordinate axis? If not, you will need to extract the wall surface
> and generate normal vectors, then dot the gradient with the normal vectors.
>
>     David
>
> On Sep 18, 2016, at 16:01, Fande Kong <fdkong...@gmail.com> wrote:
>
> Hi Developers,
>
> I am solving an incompressible Navier-Stokes equations, and I have
> solutions for the velocity (u)  and the pressure (p). Is it possible to
> show the wall shear stress in paraview using the velocity?
>
>
> Fande Kong,
>
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