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|Titolo:||Buckling analysis of a delaminated panel by using a kinematic global-local coupling approach|
|Autori interni:||CAPUTO, Francesco|
|Data di pubblicazione:||2014|
|Rivista:||INTERNATIONAL JOURNAL OF STRUCTURAL INTEGRITY|
|Abstract:||Purpose – The purpose of this paper is to investigate on the behaviour of a delaminated stiffened panel; the delamination growth is simulated via fracture elements implemented in B2000++® code based on the Modified Virtual Crack Closure Technique (MVCCT), matrix cracking and fibre failure have been also taken into account. Design/methodology/approach – In order to correctly apply the MVCCT on the delamination front a very fine three-dimensional (3D) mesh is required very close to the delaminated area, while a 2D-shell model has been employed for the areas of minor interest. In order to couple the shell domain to the solid one, shell-to-solid coupling elements based on kinematic constraints have been used. Findings – Results obtained with the global/local approach are in good correlation with those obtained with experimental results. Originality/value – The global/local approach based on kinematic coupling elements in conjunction with fracture elements allows to investigate and predict the behaviour of a stiffened delaminated composite panel in an efficient and effective way.|
|Appare nelle tipologie:||1.1 Articolo in rivista|
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