Diffraction about acoustically soft panels
Abstract
The use of two-dimensional shaded and unshaded arrays to discriminate against diffraction about acoustically soft panels is investigated numerically by the use of a two-dimensional boundary element integral method. Calculated predictions for infinitely long strips are used to estimate the diffracted field at a hydrophone array behind a square baffle. The diffraction floor of the hydrophone array is determined by weighting the array elements with various shading coefficients. Comparisons of diffraction discrimination by a hydrophone array versus a single hydrophone at various positions are presented.
- Publication:
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Presented at the 118th Meeting of the Acoustical Society of America
- Pub Date:
- March 1990
- Bibcode:
- 1990asa..meet.....R
- Keywords:
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- Baffles;
- Boundary Value Problems;
- Hydrophones;
- Panels;
- Acoustic Properties;
- Arrays;
- Integrals;
- Shadows;
- Acoustics