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Fracture and fragmentation of thin shells using the combined finite-discrete element method. (English) Zbl 1352.74297

Summary: A model for fracture and fragmentation of multilayered thin shells has been developed and implemented into the combined finite-discrete element code. The proposed model incorporates an extension of the original combined single and smeared fracture approach to multilayered thin shells; it then combines these with an interaction algorithm that is based on the original distributed potential contact force approach. The developed contact kinematics preserves both energy and momentum balance, whereas the developed fracture model is capable of modelling complex fracture patterns such as fracture of laminated glass under impact.

MSC:

74R10 Brittle fracture
74S05 Finite element methods applied to problems in solid mechanics
65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
74K25 Shells

Software:

LS-DYNA
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References:

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