Acoustical multipole source in a hollow fluid-filled cylinder

The propagation of elastic waves generated by an impulse multipole source in a hollow fluid-filled cylinder was studied. The general solution of the problem is illustrated by calculations for monopole and dipole sources applied in geophysical and geoecological measurement practice. The analysis of t...

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Veröffentlicht in:	International journal of engineering science 2010-05, Vol.48 (5), p.507-517
Hauptverfasser:	Markova, I., Sadovnychiy, S., Markov, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustical multipole Acoustics Boundaries Cylinders Elastic waves Exact sciences and technology Fluid dynamics Fluid flow Fundamental areas of phenomenology (including applications) Guided waves Mathematical analysis Multipoles Physics Solid mechanics Structural acoustics and vibration Structural and continuum mechanics Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...) Wave propagation Waveforms
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Beschreibung
Zusammenfassung:	The propagation of elastic waves generated by an impulse multipole source in a hollow fluid-filled cylinder was studied. The general solution of the problem is illustrated by calculations for monopole and dipole sources applied in geophysical and geoecological measurement practice. The analysis of the outer boundary influence on the waveforms registered by receivers located in the fluid was performed. The estimation has been carried out to determine a cylinder wall thickness under which its influence on cinematic parameters of the waveforms can be neglected.
ISSN:	0020-7225 1879-2197
DOI:	10.1016/j.ijengsci.2009.12.003