Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
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Numerical solution of the elliptic mild-slope equation for irregular wave propagation
AbstractIn this paper a multigrid method is used to solve the elliptic form of the mild-slope equation for irregular water wave propagation. The effects of shoaling, refraction, diffraction and wave breaking are included. The numerical scheme is very efficient and allows spectral wave calculations to be performed over large study areas at modest computational cost. Model results compare favourably with measurements from wave tank experiments, and demonstrate the large errors in wave amplitude that may occur when using monochromatic models. A sensitivity analysis of the discretisation of the directional spectrum shows that satisfactory results may be obtained with relatively coarse frequency-direction resolution for the cases studied.
Numerical solution of the elliptic mild-slope equation for irregular wave propagation
AbstractIn this paper a multigrid method is used to solve the elliptic form of the mild-slope equation for irregular water wave propagation. The effects of shoaling, refraction, diffraction and wave breaking are included. The numerical scheme is very efficient and allows spectral wave calculations to be performed over large study areas at modest computational cost. Model results compare favourably with measurements from wave tank experiments, and demonstrate the large errors in wave amplitude that may occur when using monochromatic models. A sensitivity analysis of the discretisation of the directional spectrum shows that satisfactory results may be obtained with relatively coarse frequency-direction resolution for the cases studied.
Numerical solution of the elliptic mild-slope equation for irregular wave propagation
Li, B. (Autor:in) / Reeve, D.E. (Autor:in) / Fleming, C.A. (Autor:in)
Coastal Engineering ; 20 ; 85-100
19.11.1992
16 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Numerical solution of the elliptic mild-slope equation for irregular wave propagation
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