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Unformatted text preview: A i K θ A o z x A plane harmonic acoustic wave of frequency ω at an angle θ is incident on the plate surface from the water halfspace as illustrated in the diagram above with pressure amplitude of A i . The reflected wave has amplitude of A o . 1 (a) Derive an expression for A o in terms of A i , θ , ω , c, K and ρ . (b) Investigate asymptotic behavior of the expression derived in (a) as the following approaches limits: i. Stiffness of the elastic foundation, K ii. Frequency of wave, ω Discuss the physical meaning of any asymptote that arises. 2...
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- Spring '04
- elastic foundation, 2-D water halfspace