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A Dynamic Model of Cracks Development Based on a 3D Discrete Shrinkage Volume Propagation

Abstract : We attempt to model and visualize the main characteristics of cracks produced on the surface of a desiccating crusted soil: their patterns, their different widths and depths and their dynamics of creation and evolution. In this purpose we propose a method to dynamically produce three-dimensional (3D) quasi-static fractures, which takes into account the characteristics of the soil. The main originality of this method is the use of a 3D discrete propagation of 'shrinkage volumes' with respect to 2D precalculated paths. In order to get realistic cracks, we newly propose to take into account a possibly inhomogeneous thickness of the shrinking layer by using a watershed transformation to compute these paths. Moreover we use the waterfall algorithm in order to introduce in our simulation a hierarchy notion in the cracks appearance, which is therefore linked with the initial structure of the surface. In this paper this method is presented in detail and a validation of the cracks patterns by a comparison with real ones is given.
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Submitted on : Monday, October 29, 2018 - 6:09:04 PM
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Gilles Valette, Stéphanie Prévost, Laurent Lucas, Joël Léonard. A Dynamic Model of Cracks Development Based on a 3D Discrete Shrinkage Volume Propagation. Computer Graphics Forum, Wiley, 2008, 27 (1), pp.47 - 62. ⟨10.1111/j.1467-8659.2007.01042.x⟩. ⟨hal-01908100⟩



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