NASA NTRS · 19840038399
Acoustic loading in planar networks
Abstract
The acoustic loading in a complex planar network of ducts is determined by a method in which Green function surface elements are used. The network consists of straight ducts, elbows and branched ducts. A transfer matrix technique is developed in which each duct is treated separately and the matrix of the influence coefficients is transformed to tri-diagonal form allowing efficient inversion.
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El-Raheb, M., Wagner, P.. 1983-05-22. Acoustic loading in planar networks. https://ntrs.nasa.gov/citations/19840038399
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