Combined modes of a two-layer fluid and a solid block in an infinite waveguide

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Combined modes of a two-layer fluid and a solid block in an infinite waveguide. / Abramyan, A. K.; Indeǐtsev, D. A.

In: Technical Physics, Vol. 43, No. 3, 03.1998, p. 278-282.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{3f06b58cb00649ec81de97d53bc0e1a7,

title = "Combined modes of a two-layer fluid and a solid block in an infinite waveguide",

abstract = "It is shown that a waveguide in the form of a channel of infinite length filled by a two-layer heavy fluid with a free surface can have nonpropagating waves (trapped vibrational modes) along with traveling waves. These waves are localized in the region of a dynamic inclusion, i.e., a solid block (massive die) on the bottom of the channel. The appearance of such waves is due to the presence of a real discrete frequency spectrum of eigenmodes, which is located on the axis of the continuous spectrum corresponding to the divergent waves in the fluid. A relation between the geometric parameters of the channel and the characteristics of the fluid and the solid block for which such a spectrum exists is found for cases with fluids of similar density in the waveguide.",

author = "Abramyan, {A. K.} and Indeǐtsev, {D. A.}",

note = "Funding Information: This work was performed with support from the Russian Fund for Fundamental Research (Grant No. 96-01-01153a). Copyright: Copyright 2018 Elsevier B.V., All rights reserved.",

year = "1998",

month = mar,

doi = "10.1134/1.1258910",

language = "English",

volume = "43",

pages = "278--282",

journal = "Technical Physics",

issn = "1063-7842",

publisher = "Pleiades Publishing",

number = "3",

}

RIS

TY - JOUR

T1 - Combined modes of a two-layer fluid and a solid block in an infinite waveguide

AU - Abramyan, A. K.

AU - Indeǐtsev, D. A.

PY - 1998/3

Y1 - 1998/3

N2 - It is shown that a waveguide in the form of a channel of infinite length filled by a two-layer heavy fluid with a free surface can have nonpropagating waves (trapped vibrational modes) along with traveling waves. These waves are localized in the region of a dynamic inclusion, i.e., a solid block (massive die) on the bottom of the channel. The appearance of such waves is due to the presence of a real discrete frequency spectrum of eigenmodes, which is located on the axis of the continuous spectrum corresponding to the divergent waves in the fluid. A relation between the geometric parameters of the channel and the characteristics of the fluid and the solid block for which such a spectrum exists is found for cases with fluids of similar density in the waveguide.

AB - It is shown that a waveguide in the form of a channel of infinite length filled by a two-layer heavy fluid with a free surface can have nonpropagating waves (trapped vibrational modes) along with traveling waves. These waves are localized in the region of a dynamic inclusion, i.e., a solid block (massive die) on the bottom of the channel. The appearance of such waves is due to the presence of a real discrete frequency spectrum of eigenmodes, which is located on the axis of the continuous spectrum corresponding to the divergent waves in the fluid. A relation between the geometric parameters of the channel and the characteristics of the fluid and the solid block for which such a spectrum exists is found for cases with fluids of similar density in the waveguide.

UR - http://www.scopus.com/inward/record.url?scp=0032335522&partnerID=8YFLogxK

U2 - 10.1134/1.1258910

DO - 10.1134/1.1258910

M3 - Article

AN - SCOPUS:0032335522

VL - 43

SP - 278

EP - 282

JO - Technical Physics

JF - Technical Physics

SN - 1063-7842

IS - 3

ER -

ID: 75073892