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Turon Travesa, Albert
Dávila, Carlos G. Camanho, Pedro Manuel Ponces Rodrigues de Castro Costa i Balanzat, Josep |
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2005 | |
NASA/TM-2005-213547 This paper presents a methodology to determine the parameters used in the simulation of delamination in composite materials using decohesion finite elements. A closed-form expression is developed to define the stiffness of the cohesive layer. A novel procedure that allows the use of coarser meshes of decohesion elements in large-scale computations is proposed. The procedure ensures that the energy dissipated by the fracture process is correctly computed. It is shown that coarse-meshed models defined using the approach proposed here yield the same results as the models with finer meshes normally used in the simulation of fracture processes |
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application/pdf | |
008228 | |
http://hdl.handle.net/10256/7896 | |
eng | |
National Aeronautics and Space Administration | |
Articles publicats (D-EMCI) | |
© NASA TM Technical Reports, 2005, núm. 213547 | |
Tots els drets reservats | |
Mecà nica de fractura
Fracture mechanics Materials compostos -- Mètodes de simulació Composite materials -- Simulation methods Materials compostos -- Fatiga Composite materials -- Fatigue Materials compostos -- Deslaminatge Composite materials -- Delamination |
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An Engineering Solution for using Coarse Meshes in the Simulation of Delamination with Cohesive Zone Models | |
info:eu-repo/semantics/article | |
DUGiDocs |