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|Title:||Effective elastic characteristics of honeycomb sandwich composite shells made of generally orthotropic materials||Authors:||Saha, Gobinda
Kalamkarov, Alexander L.
|Issue Date:||2007||Publisher:||Elsevier||Source:||Composites Part A: Applied Science and Manufacturing, 2007, Volume 38, Issue 6, Pages 1533-1546||Abstract:||This paper works on the analytical development of the method of two-scale asymptotic homogenization. The technique is used to determine the effective elastic stiffnesses of hexagonal honeycomb-cored structural sandwich composite shells made of generally orthotropic materials. Orthotropy of the constituent materials leads to much more complex unit-cell problems and is considered in the present paper for the first time. At first, a 3D-to-2D general shell model based on a set of unit-cell problems is derived. This is followed by the exploitation of the model to the derivation of analytical estimate formulae; used to calculate the force and moment resultants present in the sandwich shell structure. The implication of the general shell model is further indicated by calculating similar design characteristics for a three-layered composite sandwich panel reinforced with hexagonal and triangular shaped cellular core made from the generally orthotropic material.||URI:||http://ktisis.cut.ac.cy/handle/10488/7687||ISSN:||1359835X||DOI:||10.1016/j.compositesa.2007.01.002||Rights:||© 2007 Elsevier|
|Appears in Collections:||Άρθρα/Articles|
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