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Composites: Mechanics, Computations, Applications: An International Journal

Publication de 4  numéros par an

ISSN Imprimer: 2152-2057

ISSN En ligne: 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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INVESTIGATION OF THE STATICS AND FREE VIBRATIONS OF CYLINDRICAL SHELLS ON THE BASIS OF A NONCLASSICAL THEORY

Volume 6, Numéro 2, 2015, pp. 135-166
DOI: 10.1615/CompMechComputApplIntJ.v6.i2.40
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RÉSUMÉ

Based on an energy-consistent approach, the equations of motion of an orthotropic shell of arbitrary geometry whose deflected mode is described by equations of the three-dimensional theory of elasticity have been obtained. Three-dimensional equations are reduced to two-dimensional ones by means of the principle of virtual displacements and by the expansion of displacement components into polynomial series in the coordinate system, which is normal to the middle plane of the shell. Modified boundary conditions for standard cases of shell fixturing are formulated.
As an example, the paper considers static deformation and natural vibrations of a circular cylindrical shell. Equilibrium equations in displacements and boundary conditions are presented. Calculation of the shell's deflected mode is carried out by means of Laplace transform, thus twofold reducing the number of arbitrary constants in integration of the system of differential equations of the problem. The values of natural frequencies are determined by the Bubnov−Galerkin variational method.
The effect of different types of boundary conditions on the deflected mode and the values of natural frequencies is analyzed. The results of calculation of the natural frequencies obtained in this work and those obtained by some versions of the classical Donnell−Mushtari and Goldenweiser−Novozhilov theory, as well as by the three-dimensional theory of elasticity are compared.
The results obtained can be used in calculations and strength and durability tests of aviation and space-rocket structures, and also of different-purpose engineering structures.

CITÉ PAR
  1. Firsanov Val. V., Study of stress-deformed state of rectangular plates based on nonclassical theory, Journal of Machinery Manufacture and Reliability, 45, 6, 2016. Crossref

  2. Doan Tran Ngoc, Van Thom Do, Thanh Nguyen Truong, Van Chuong Phan, Tho Nguyen Chi, Ta Nguyen Tri, Nguyen Hoang Nam, Analysis of stress concentration phenomenon of cylinder laminated shells using higher-order shear deformation Quasi-3D theory, Composite Structures, 232, 2020. Crossref

  3. Ngoc Doan Tran, Tuan Nguyen Anh, Van Binh Phung, Van Hung Tran, Quoc Tru Vu, Trac Luat Doan, Static analysis of FGM cylindrical shells and the effect of stress concentration using quasi-3D type higher-order shear deformation theory, Composite Structures, 262, 2021. Crossref

  4. Firsanov V. V., Nguyen L. H., The Stress State of Composite Cylindrical Shells Based on Refined Theory with Allowance for the Piezoelectric Effect, Journal of Machinery Manufacture and Reliability, 50, 4, 2021. Crossref

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