[Hedge] Curvy Elements
lists at informa.tiker.net
Sat Oct 17 08:53:09 PDT 2009
Hi Xueyu, all,
I just took a closer look at gmsh , by Christophe Geuzaine and J-F Remacle.
This closer look has led me to believe that instead of (or perhaps in addition
to) a node-pushing approach to creating curved elements, we should probably
create a facility for importing high-order meshes from gmsh. In contrast to
the mesh generators we have at present, gmsh appears to support genuine high-
order mesh generation by allowing a curvilinear description of the domain, and
then spitting out curved elements conforming to this domain description. Its
description language is a bit bizarre, but actually quite flexible.
This work would start by building a two-way interface from MeshPy to gmsh,
allowing mesh specification from and import into Python, and then progress
towards making the necessary changes to hedge.
As a further benefit, gmsh interoperates natively with Madlib , which could
allow us to do high-order mesh adaptation relatively cheaply.
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