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[43814] Artykuł:

Acoustic conductance of an anisotropic spherical shell submerged in a liquid

Czasopismo: Mechanics of Composite Materials   Tom: 49, Zeszyt: 4, Strony: 401-410
ISSN:  0191-5665
Wydawca:  SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA
Opublikowano: Wrzesień 2013
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Procent
udziału
Liczba
punktów
Rafał Chatys orcid logoWMiBMKatedra Technik Komputerowych i Uzbrojenia**5015.00  
Valery Polyakov50.00  

Grupa MNiSW:  Publikacja w czasopismach wymienionych w wykazie ministra MNiSzW (część A)
Punkty MNiSW: 15
Klasyfikacja Web of Science: Article


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Keywords:

hollow spherical shell  radial vibrations  operational method  analytical solution in residues  resonance amplitudes 



Abstract:

Amplitude variations of radial waves in an anisotropic thick-walled spherical shell caused by a harmonic source located on its inner surface are considered. The contact interaction between the outer surface of the shell with the surrounding liquid is taken into account. The relative vibration speed of the outer surface is found using the operational method. The analytical solution, expressed as a series in residues of a complex solution, allows for the interaction between forced and natural vibrations found from the corresponding boundary-value problem. The amplitudes and their graphical description represent the basic source for a parametric investigation of the transmission ability of sphere wall for an acoustic disturbance in relation to its thickness and material properties. Vibrations under resonance conditions are also considered.