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Behavior of Unidirectional Sandwich Panels with a Multi-Skin Construction or a Multi-Layered Core Layout High-Order Approach
Ist Teil von
The journal of sandwich structures & materials, 2000-07, Vol.2 (3), p.181-213
Erscheinungsjahr
2000
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
The behavior of a unidirectional sandwich panel that consists of a multi-skin construction and a `soft' core is presented. In addition, a unidirectional sandwich panel with a core made of various layers, a multi-layered core, is discussed. The formulation is comprehensive, rigorous, and uses a variational approach that yields the field equations along with the appropriate boundary conditions for beams and unidirectional panels (wide beams). The governing equations for the two cases are presented for skins made of laminated composites with a general stacking sequence, and for a multi-layered core made of layers of isotropic or orthotropic materials. Typical panels that consist of a multi-skin construction are numerically studied. A unidirectional sandwich panel that has an edge with a cut-off is investigated, and the stress concentration is examined. The effect of additional skin layers at mid height of the panel is presented and compared with the case of an ordinary panel that consists of two skins. The multi-layered core layout is used to numerically study the effect of delamination between the layers of the core on the general behavior of the unidirectional sandwich panel and the stress concentration involved. (Author)
Sprache
Englisch
Identifikatoren
ISSN: 1099-6362
DOI: 10.1106/0WQ5-PD4U-WAQA-U8P0
Titel-ID: cdi_proquest_miscellaneous_27217476
Format
–
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