[dune-pdelab] Mesh-update with UG

[Oliver Sander]

> On Tue, 2016-07-26 at 14:40 +0200, Shubhangi Gupta wrote:
>> I am planning to implement a FEM code for large-deformation 
>> hydro-geo-mechanical model in DUNE-PDELab.
>>
>> I was wondering how I can update my mesh after each iteration-step
>> for 
>> calculating the material displacements? I am using UG Grid-backend.
> 
> Do you want to deform the grid? Then GeometryGrid (part of dune-grid)
> might be helpful: it is a wrapper grid that allows deforming an
> existing grid.
> 

Additionally, UGGrid has a setPosition method, which allows to reposition
vertices.  However, due to the nontrivial internal structure of UGGrid
the setPosition method may play tricks on you when mixing it with
refinement.  Your mileage may vary.

Cheers,
Oliver

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