A Topological-Geometrical Pipeline for 3D Cracking-like Phenomena

Jérémy Riffet (1, 2) , Emmanuelle Darles (3, 4) , Annie Luciani (1) , Nicolas Castagné (5)

1 ACROE - ACROE
2 UGA [2016-2019] - Université Grenoble Alpes [2016-2019]
3 XLIM-ASALI - Synthèse et analyse d'images
4 UP - Université de Poitiers = University of Poitiers
5 Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology

Animation of one-to-many phenomena (fractures, tears, breaks, cracks…) is challenging. This article builds over recent works that proposed a 3-stages modelling and simulation pipeline, made of a cascade of models: geometry-free physical model → explicit modelling of the evolving topology → geometrical model. On the Physics' side, in the framework of masses-interactions network modelling, the article extends the recent Splitting-MAT method, where the physical splits occur onto the material points, toward 3 dimensional volume models. Downstream, it introduces a topo-geometrical pipeline adapted to this upstream split-on-the-masses property. Experiments, and analysis of the complexity of the topo-geometrical part, show that, while offering constructible and manageable means, separating Physical, Topological and Geometrical aspects in the 3-stages pipeline enables a rich variety of one-to-many dynamics, with good efficiency.

Mots clés: Topological Modelling; Physics-based Models; Tears; Cracks; Splits; Fractures; Computer Animation and Simulation; Geometry-free Approaches; Masses-interaction Networks; Motion Coating; Adjacency Graphs

Domaines: Modélisation et simulation

Jérémy Riffet, Emmanuelle Darles, Annie Luciani, Nicolas Castagné. A Topological-Geometrical Pipeline for 3D Cracking-like Phenomena. 13th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications, Jan 2018, Funchal, Portugal. pp.207-214. ⟨hal-01962289⟩