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arXiv · 2502.05712

Validity-first automatic polycube labeling for CAD models

Sébastien Mestrallet·Christophe Bourcier·Franck Ledoux
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Abstract

For many simulation codes, block-structured hex meshes remain preferred while their automatic generation is unsolved. We investigate the usage of a polycube-based approach. More specifically, we focus on the labeling stage, which consists in assigning each boundary facet to one of the 6 signed principal axis. Similar works are confronted with 2 challenges: over-constraining validity criteria, and the conflated processing of validity criteria with quality metrics. We tackle these obstacles with automatic routines based on semi-global labeling operators. Our approach is successfully tested on CAD models, which are of interest for many numerical simulation problems.

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Sébastien Mestrallet, Christophe Bourcier, Franck Ledoux. 2025-02-08. Validity-first automatic polycube labeling for CAD models. https://arxiv.org/abs/2502.05712

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