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Harmonic generation by waves propagating over a submerged step
Abstract Harmonic generation by waves propagating over a two-dimensional submerged step is investigated. A nonlinear theory correct to second order is presented for steps of infinite and finite lengths subjected to single harmonic waves. The boundary value problem for the second-order scattered velocity potential is linearly decomposed into two separate boundary value problems, each having only one inhomogeneous boundary condition. Theoretical results indicate that the higher harmonics are generated in the shallow-water region over a step and then are transmitted to the deeper water as free waves. Numerical calculations compare favourably with existing experimental data.
Harmonic generation by waves propagating over a submerged step
Abstract Harmonic generation by waves propagating over a two-dimensional submerged step is investigated. A nonlinear theory correct to second order is presented for steps of infinite and finite lengths subjected to single harmonic waves. The boundary value problem for the second-order scattered velocity potential is linearly decomposed into two separate boundary value problems, each having only one inhomogeneous boundary condition. Theoretical results indicate that the higher harmonics are generated in the shallow-water region over a step and then are transmitted to the deeper water as free waves. Numerical calculations compare favourably with existing experimental data.
Harmonic generation by waves propagating over a submerged step
Massel, S.R. (author)
Coastal Engineering ; 7 ; 357-380
1983-05-06
24 pages
Article (Journal)
Electronic Resource
English
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