Hex Me If You Can
Pierre-Alexandre Beaufort, Maxence Reberol, Heng Liu, Franck Ledoux,, David Bommes

TL;DR
HEXME provides a comprehensive, standardized dataset of tetrahedral meshes derived from diverse CAD models, facilitating fair evaluation and advancement of hexahedral meshing algorithms through an automated, extensible workflow.
Contribution
This work introduces the HEXME dataset and workflow, enabling consistent benchmarking of hexahedral meshing techniques with a focus on challenging CAD models.
Findings
189 tetrahedral meshes generated from 63 CAD models
Meshes categorized into simple, nasty, and industrial types
Open-source workflow and dataset for community use
Abstract
HEXME consists of tetrahedral meshes with tagged features, and of a workflow to generate them. The main purpose of HEXME meshes is to enable consistent and fair evaluation of hexahedral meshing algorithms and related techniques. The tetrahedral meshes have been generated with Gmsh, starting from 63 computer-aided design (CAD) models coming from various databases. To highlight and label the various and challenging aspects of hexahedral mesh generation, the CAD models are classified into three categories: simple, nasty and industrial. For each CAD model, we provide three kinds of tetrahedral meshes. The mesh generation yielding those 189 tetrahedral meshes is defined thanks to Snakemake, a modern workflow management system, which allows us to define a fully automated, extensible and sustainable workflow. It is possible to download the whole dataset or to pick some meshes by browsing the…
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Taxonomy
TopicsComputational Geometry and Mesh Generation · 3D Modeling in Geospatial Applications · Model-Driven Software Engineering Techniques
