A finite element model for wave refraction and diffraction

Ting Kuei Tsay; Philip L.F. Liu

doi:10.1016/0141-1187(83)90055-X

A finite element model for wave refraction and diffraction

Ting Kuei Tsay, Philip L.F. Liu

Department of Hydraulic and Ocean Engineering

Research output: Contribution to journal › Article › peer-review

93 Citations (Scopus)

Abstract

A two-dimensional hybrid finite element method is developed to study the scattering of water waves by an island and to calculate wave forces and moments on offshore structures. The offshore structure, which could be either semi-submerged or fully extended in the water, is assumed to be stationary. The numerical model is based on the mild-slope equation. It can be applied to both long-wave and short-wave problems. A special treatment for the problem with the semi-submerged structure is introduced. Comparisons are given with existing analytical solutions and other numerical results. The present model is shown to be an efficient and accurate method for the solution of wave refraction and diffraction problems.

Original language	English
Pages (from-to)	30-37
Number of pages	8
Journal	Applied Ocean Research
Volume	5
Issue number	1
DOIs	https://doi.org/10.1016/0141-1187(83)90055-X
Publication status	Published - 1983 Jan

All Science Journal Classification (ASJC) codes

Ocean Engineering

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10.1016/0141-1187(83)90055-X

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abstract = "A two-dimensional hybrid finite element method is developed to study the scattering of water waves by an island and to calculate wave forces and moments on offshore structures. The offshore structure, which could be either semi-submerged or fully extended in the water, is assumed to be stationary. The numerical model is based on the mild-slope equation. It can be applied to both long-wave and short-wave problems. A special treatment for the problem with the semi-submerged structure is introduced. Comparisons are given with existing analytical solutions and other numerical results. The present model is shown to be an efficient and accurate method for the solution of wave refraction and diffraction problems.",

author = "Tsay, {Ting Kuei} and Liu, {Philip L.F.}",

note = "Funding Information: This research was, in part, sponsored by the New York Sea Grant, National Oceanic and Atmospheric Administration (NOAA), US Department of Commerce.",

year = "1983",

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AU - Tsay, Ting Kuei

AU - Liu, Philip L.F.

N1 - Funding Information: This research was, in part, sponsored by the New York Sea Grant, National Oceanic and Atmospheric Administration (NOAA), US Department of Commerce.

PY - 1983/1

Y1 - 1983/1

N2 - A two-dimensional hybrid finite element method is developed to study the scattering of water waves by an island and to calculate wave forces and moments on offshore structures. The offshore structure, which could be either semi-submerged or fully extended in the water, is assumed to be stationary. The numerical model is based on the mild-slope equation. It can be applied to both long-wave and short-wave problems. A special treatment for the problem with the semi-submerged structure is introduced. Comparisons are given with existing analytical solutions and other numerical results. The present model is shown to be an efficient and accurate method for the solution of wave refraction and diffraction problems.

AB - A two-dimensional hybrid finite element method is developed to study the scattering of water waves by an island and to calculate wave forces and moments on offshore structures. The offshore structure, which could be either semi-submerged or fully extended in the water, is assumed to be stationary. The numerical model is based on the mild-slope equation. It can be applied to both long-wave and short-wave problems. A special treatment for the problem with the semi-submerged structure is introduced. Comparisons are given with existing analytical solutions and other numerical results. The present model is shown to be an efficient and accurate method for the solution of wave refraction and diffraction problems.

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A finite element model for wave refraction and diffraction

Abstract

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