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[Anders Logg <question157661@xxxxxxxxxxxxxxxxxxxxx>]

Question #157661 on DOLFIN changed:
https://answers.launchpad.net/dolfin/+question/157661

    Status: Open => Answered

Anders Logg proposed the following answer:
On Mon, May 16, 2011 at 10:45:52AM -0000, Miklos Galamb wrote:
> Question #157661 on DOLFIN changed:
> https://answers.launchpad.net/dolfin/+question/157661
>
> Miklos Galamb posted a new comment:
> In the meantime I stumbled across some information which looks
> helpful.... I found an example (cylinder_channel_with_flap.py in
> cbc.solve/sandbox/fsi) making use of the snap_boundary() method.
>
> Do I understand it correctly that the snap_boundary() method does not
> contain an algorithm to snap neighboring nodes onto the boundary of the
> provided subdomain but instead it tries to call the method "snap" of the
> subdomain instance. That method needs to be provided by the user? That
> means I need to define what happens when the snap_boundary method is
> called?
>
> I'll keep trying...

Look at the demo

work/demo/undocumented/smoothing/python/demo_smoothing.py

in DOLFIN for how to use the snap functionality.

--
Anders

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