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Composites: Mechanics, Computations, Applications: An International Journal

年間 4 号発行

ISSN 印刷: 2152-2057

ISSN オンライン: 2152-2073

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.2 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 0.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00004 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.08 SJR: 0.153 SNIP: 0.178 CiteScore™:: 1 H-Index: 12

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STATIC FLEXURE OF CROSS-PLY LAMINATED CANTILEVER BEAMS

巻 5, 発行 3, 2014, pp. 219-243
DOI: 10.1615/CompMechComputApplIntJ.v5.i3.40
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要約

A static analysis of composite beams based on the layerwise trigonometric shear deformation theory is presented. The trigonometric sine function is used in the displacement field in terms of thickness coordinate to represent shear deformation. The present theory contains two displacement variables. The most important feature of the theory is that the transverse shear stress can be obtained directly from the constitutive relations that satisfy the stress-free boundary conditions at the top and bottom surfaces of the beam. Thus, the theory obviates the need for the shear correction factor. The governing equations and boundary conditions are obtained using the principle of virtual work. The unknown functions in the displacement field are determined from the general solution of linear governing differential equations. The transverse shear stresses are also obtained via two-dimensional equilibrium equations of the theory of elasticity. Two-layered (90°/0°) cross-ply laminated cantilever beams with different aspect ratios subjected to bending are examined. The results of flexural analysis are compared with those of the layerwise Bernoulli−Euler beam theory and the layerwise first-order shear deformation theory of Timoshenko.

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