On the parabolic equation method for water wave propagation

Radder, A.C.

On the parabolic equation method for water wave propagation

Report (1978)

Authors

A.C. Radder

Affiliation

None

Numerical Wave propagation Approximation Reduced wave equation

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Published Date

01-07-1978

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DIV 78863

Abstract

A parabolic approximation to the reduced wave equation is investigated for the propagation of periodic surface waves in shoaling water. The approximation is derived from splitting the wave field into transmitted and reflected components. In the case of an area with straight and parallel bottom contourlines, the asymptotic form of the solution fer high frequencies is compared with the geometrical optics approximation. Two numerical solution techniques are applied to the propagation of an incident plane wave ever a circular shoal.

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