Suscripción a Biblioteca: Guest
International Journal of Fluid Mechanics Research

Publicado 6 números por año

ISSN Imprimir: 2152-5102

ISSN En Línea: 2152-5110

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: 1.1 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: 1.3 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: 0.0002 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: 0.33 SJR: 0.256 SNIP: 0.49 CiteScore™:: 2.4 H-Index: 23

Indexed in

Nonstationary Contact Problems for a Cylinder in Liquid Layer on a Solid Half-Space

Volumen 28, Edición 3, 2001, 15 pages
DOI: 10.1615/InterJFluidMechRes.v28.i3.110
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SINOPSIS

Nonstationary problem for the cylinder interacting with thew layer of compressible liquid and elastic halfspace under dynamic or kinematic loadings is considered. The system of differential equations is solved, which describes the wave processes in liquid layer and elastic halfspace, and the bending vibration of the cylinder. Method of integral transforms (Laplace on time, and Hankel on radial coordinate), method of orthogonal polynomials, method of coordinate functions, and method of collocations are used. In the domain of the Laplace images the problem is reduced to a system of algebraic equations. The Laplace transform inversion is made numerically by means of the Fourier integral. The solutions are obtained for harmonic and nonstationary problems on horizontal and angular vibration of rigid cylinder, and on bending vibration of elastic cylinder. Numerical analysis is made for the case of horizontal vibration of rigid cylinder undergoing the action of horizontal force. The time dependencies of reaction of foundation, displacement and hydrodynamic pressure on the cylinder at nonstationary loading are detected. The dependence of desired functions from the height of liquid layer and mass of the cylinder is established. The considered problems are of interest at studying and calculation of oscillations of a gravitational offshore platforms undergoing the wave, ice, and seismic loading.

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