Eigenfrequencies of a Rigid-Walled Cavity and Modal Cut-on Frequencies of a Uniform Flat-Oval Duct with Zero Mean Fluid Flow cut-on frequencies flat-oval duct

Eigenfrequencies of a Rigid-Walled Cavity and Modal Cut-on Frequencies of a Uniform Flat-Oval Duct with Zero Mean Fluid Flow cut-on frequencies flat-oval duct. (2008). In Formulas of Acoustics (pp. 1110–1112). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-76833-3_285