Sound propagation above an inhomogeneous impedance plane |
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Authors: | S.N. Chandler-Wilde D.C. Hothersall |
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Affiliation: | School of Civil and Structural Engineering, University of Bradford, Bradford BD7 1DP, England |
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Abstract: | Boundary integral equation (BIE) methods are described for the prediction of sound propagation, in particular from a line source, over a flat plane of inhomogeneous impedance. Approximate methods, which satisfy reciprocity, for the calculation of the wave field over a two-impedance plane are proposed. These approximations, applied to propagation from a line source, give results agreeing well with those of the BIE method. When they are applied to propagation from a point source, agreement with experiment is shown. |
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