[Trilinos-Users] [EXTERNAL] Re: Find enclosing element in EXODUS II tetrahedral mesh.

Sjaardema, Gregory D gdsjaar at sandia.gov
Thu Jan 16 08:35:59 MST 2014

The exodus library does not have this functionality either.

On 1/16/14 8:26 AM, "Heroux, Mike" <MHeroux at csbsju.edu> wrote:

>I don't know if you got a private response or not, but I am unaware of
>functionality in Trilinos that would address your need.
>Best regards,
>From: Michael Afanasiev
><mafanasiev at gmail.com<mailto:mafanasiev at gmail.com>>
>Date: Monday, January 13, 2014 1:26 PM
>"trilinos-users at software.sandia.gov<mailto:trilinos-users at software.sandia.
><trilinos-users at software.sandia.gov<mailto:trilinos-users at software.sandia.
>Subject: [Trilinos-Users] Find enclosing element in EXODUS II tetrahedral
>Hi everyone,
>My name is Michael Afanasiev, and I am a PhD student at ETH Zürich, in
>I¹m working with a large 3-D tetrahedral finite element mesh, which is
>stored as an EXODUS II file. I need to find the smallest simplex that
>encloses an arbitrary 3-D point. Alternatively, the enclosing element
>would do just fine. The purpose is for interpolation over the element.
>I¹m currently accomplishing this by recursively searching a KDTree around
>my requested point, and finding the smallest enclosing simplex. This
>works pretty well in most cases. I was wondering if there was any
>functionality built into Trilinos or EXODUS that would accomplish this
>instead, or if anyone has an alternative idea.
>Cheers, and all the best. Apologies if this comes through as a duplicate.
>Michael Afanasiev
>Ph.D. Candidate
>Computational Seismology
>Institut für Geophysik
>ETH Zürich
>Sonneggstrasse 5, NO H 52.2
>CH-8092 Zürich
>michael.afanasiev at erdw.ethz.ch<mailto:michael.afanasiev at erdw.ethz.ch>
>Trilinos-Users mailing list
>Trilinos-Users at software.sandia.gov

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