PL EN


Preferencje help
Widoczny [Schowaj] Abstrakt
Liczba wyników
Tytuł artykułu

Acoustic radiation calculations by a hybrid separation of variables - boundary element method

Autorzy
Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
A new hybrid method (HM) solution to the radiation problem is presented. The HM is based on the separation of variables method and the boundary element method. An idea of the HM consists in the modelling of acoustic variables only by the boundary element method using their discrete values. The geometry of the problem is described exactly. The HM enables to solve boundary acoustic problem in an orthogonal curvilinear system of coordinates. In the paper the method is applied to acoustic radiation by axially vibrating cup or ring set on the sphere. The hybrid radiation solution is compared to the well known analytical one.
Słowa kluczowe
Rocznik
Strony
11--24
Opis fizyczny
Bibliogr. 11 poz.
Twórcy
autor
  • Rzeszów Pedagogical University, Institute of Technics, 35-310 Rzeszów, Reytana 16a, Poland
Bibliografia
  • [1] A. BJORCK and G. DAHLQUIST, Numerical methods, Prentice-Hall, New York 1974.
  • [2] A. BRAŃSKI and L. LENIOWSKA, Far field of a concentric ring vibrating with constant velocity on a rigid sphere, Archives of Acoustics, 17, 2, 277-286 (1992).
  • [3] A. BRAŃSKI, Model of an acoustic source with discontinuous optimal elements, Archives of Acoustics, 22, 4, 383-395 (1997).
  • [4] A. BRAŃSKI, Problem of an optimal discretization in acoustic modelling, Archives of Acoustics, 23, 2, 239-249 (1998).
  • [5] A. BRAŃSKI, Smooth model of an acoustic source, Engineering Analysis with Boundary Elements, 22, 333-340 (1998).
  • [6] R.D. CISKOWSKI and C.A. BREBBIA, Boundary element methods in acoustics, McGraw-Hill Book Company, Southampton Comp. Mech. Publ., 1991.
  • [7] C.A. BREBBIA and J. DOMINGUEZ, Boundary elements, An introductory course, McGraw-Hill Book Company, Southampton Comp. Mech. Publ., 1992.
  • [8] W. MAGNUS, F. OBERHETTINGER and R.P. SONI, Formulas and theorems for the special functions of mathematical physics, Springer Verlag, New York 1966.
  • [9] J.M. MONTGOMERY and P.E. BARBONE, Diffraction from simple shapes by a hybrid asymptoticfinite element method, JASA, 104, 4, 1964-1972 (1998).
  • [10] P.M. MORSE and H. FESHBACH, Methods of theoretical physics, McGraw Hill, New York - Toronto - London 1953.
  • [11] E. SKUDRZYK, The foundations of acoustics, Springer Verlag, Wien - New York 1971.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BAT3-0005-0006
JavaScript jest wyłączony w Twojej przeglądarce internetowej. Włącz go, a następnie odśwież stronę, aby móc w pełni z niej korzystać.