On reflection and diffraction of pressure waves from floating ice |
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| Authors: | M L Ghosh |
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| Institution: | (1) Department of Mathematics, B.E. College, Howrah-3, West Bengal, India |
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| Abstract: | Summary The diffraction of a pressure wave arising from the edge of the floating ice due to an incident wave of the formHt–(x cos / )+ (ysin/)], whereH(t) is the Heaviside step function, has been studied. The ice sheet has been taken to be moving with a velocity much less than the velocity of sound in the liquid. The problem has been solved using an approximate method of solving Wiener Hopf problems. Finally, the pressure field at a large distance from the edge has been derived in a closed form evaluating the integrals by the saddle point method. |
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