On Wed, 24 Jan 2018, Paul T. Bauman wrote:

Sorry for slow response. I have nothing better to offer other than 3
vectors, but maybe others will.

You can add another ExplicitSystem to the mesh, giving it a
vector-valued variable corresponding to your solution system's
scalar-valued variable.

This is more flexible (if you have multiple variables in your solution
system but only want to add a vector-valued postprocessed field for
one of them, for instance) but probably a bit harder to work with.
---
Roy

On Mon, Jan 22, 2018 at 12:40 PM, Michael Povolotskyi <[email protected]>
wrote:

Dear Libmesh developers and users,

I need to compute a field on mesh based on a solution.

To do so I usually add a vector to a system and fill it with data.

This works perfectly for a scalar field.

What would you recommend to do for a vector field.

Of course, I can add 3 vectors, one for each component of the field. Is
there a better way?

Thank you,

Michael.


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