| Title: | A modular approach based on graph transformation to simulate tearing and fractures on various mechanical models |
| Authors: | Ben Salah, Fatma Belhaouari, Hakim Arnould, Agnés Meseure, Philippe |
| Citation: | Journal of WSCG. 2017, vol. 25, no. 1, p. 39-48. |
| Issue Date: | 2017 |
| Publisher: | Václav Skala - UNION Agency |
| Document type: | článek article |
| URI: | wscg.zcu.cz/WSCG2017/!_2017_Journal_WSCG-No-1.pdf http://hdl.handle.net/11025/26282 |
| ISSN: | 1213-6972 (print) 1213-6980 (CD-ROM) 1213-6964 (on-line) |
| Keywords: | fyzická simulace;trhání;zlomenina;kritérium;topologický model;rozpoznávání grafu |
| Keywords in different language: | physical simulation;tearing;fracture;criterion;topological model;graph recognition |
| Abstract in different language: | This paper introduces an extension of a general framework that allows the simulation of various mechanical models (discrete or continuous ones, for different kinds of meshes, in any dimension). This framework relies on a topological model and a rule-based language, that performs sub-graph matching and, possibly, transformations. This extension allows topological modifications such as tearing and fractures for all the implemented physical models. A general process has been used to simulate fractures and tearing: the topological transformation is described using the provided rule-based language and its application is triggered when a selected criterion is verified. Several criteria are proposed, that depend upon the strain or stress generated by a single or a set of interactions. This method raises the question of the link between the location where a criterion is applied and the mesh elements involved in a modification. This question has motivated us to design new criteria which are closely related to the mesh modification. Using this method, a minimal number of mechanical data need to be updated after a transformation and any interaction relying on mesh features (vertex, edge, face, volume) that are suppressed or split can be automatically ignored. |
| Rights: | © Václav Skala - UNION Agency |
| Appears in Collections: | Volume 25, Number 1 (2017) |
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