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A new BEM formulation for the acoustic eigenfrequency analysis
Author(s) -
Banerjee P. K.,
Ahmad S.,
Wang H. C.
Publication year - 1988
Publication title -
international journal for numerical methods in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.421
H-Index - 168
eISSN - 1097-0207
pISSN - 0029-5981
DOI - 10.1002/nme.1620260606
Subject(s) - boundary element method , automotive industry , finite element method , computer science , function (biology) , integral equation , mathematics , mathematical analysis , calculus (dental) , engineering , structural engineering , aerospace engineering , medicine , dentistry , evolutionary biology , biology
A new boundary element formulation has been developed for two‐ and three‐dimensional acoustic eigenfrequency analyses. The formulation is based on the well known method of constructing a solution of a differential equation in terms of a complementary function and particular integral. An advanced isoparametric implementation with automatic error control in the integration is used. A number of realistic examples of application to automotive acoustic cavities are described.

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