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22 March 2021 Fracture analyses using a coupling approach of Voronoi-cell lattice model and finite element method
Young Kwang Hwang, Dawon Park, Jung-Wuk Hong
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Proceedings Volume 11592, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XV; 115920S (2021) https://doi.org/10.1117/12.2582946
Event: SPIE Smart Structures + Nondestructive Evaluation, 2021, Online Only
Abstract
In this presentation, a coupling approach of Voronoi-cell lattice model (VCLM) and finite element method (FEM) is proposed for simulating the fracture behaviors of quasi-brittle solids. By the central role of the Voronoi cell into the elastic uniformity of solid deformations, the finite element is introduced to compliment the Poisson effect. The Delaunay/Voronoi dual tessellations in the mesh construction facilitate the compatibility of the VCLM with the FEM. Therefore, the proposed approach effectively simulates both the volumetric and fracture behaviors. Besides, a coupling strategy of the VCLM domain and the FEM domain is discussed for numerical efficiency.
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Young Kwang Hwang, Dawon Park, and Jung-Wuk Hong "Fracture analyses using a coupling approach of Voronoi-cell lattice model and finite element method", Proc. SPIE 11592, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XV, 115920S (22 March 2021); https://doi.org/10.1117/12.2582946
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KEYWORDS
Finite element methods
Solid modeling
Solids
Failure analysis
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