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Variation of Wave Force on Submerged Object at Shallow Water:Fourier series technique

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This paper is presented a solution of shallow water wave force, using Fourier series approximation method on two
dimensional vertically submerged rectangular thin plates under two different configurations: (1) a surface-piercing
rectangular thin plate, and (2) a bottom-standing rectangular thin plate. A propagating wave of different amplitude
and at different time period is made to impose normal wave force on submerged object. Bernoulli’s equation is used
for the determination of wave force which is based on the linear wave theory. The plate is submerged in water near
the shore under different depth of water. The solution method is confined in a finite domain, which contains both the
region of different depth of water and the plate. Laplace’s equation and boundary value problems are solved in a
finite domain, by the method of separation of variables and the small amplitude linear wave theory. The variation of
horizontal force with respect to the wave amplitude is obtained at different depth of water and at different wave
period. The wave force is measured at four different depths on the submerged object. It is observed that the forces
are converging with the increase of wave period and the gradients of forces with respect to the wave amplitude are
extremely high for lower wave period. Wave forces are maximums on the surface of water and it decreases
gradually towards the bottom of water. The purpose of this study is based on to made an innovative design of a low
cost wave energy converter (WEC) where the kinetic energy obtainable from the ocean surface wave is converted in
the form of potential energy.

Keywords: Linear wave; Fourier analysis; wave force;

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Informasi Detail

Judul Seri

Aquatic Procedia

No. Panggil

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Penerbit

: Elsevier Science Inc.., 2015

Deskripsi Fisik

Aquatic Procedia 4 ( 2015 ) 95 – 102

Bahasa

English

ISBN/ISSN

doi: 10.1016/j.aqpro

Klasifikasi

NONE

Tipe Isi

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Tipe Media

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Tipe Pembawa

-

Edisi

4 ( 2015 )

Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

Wati/Agus

Versi lain/terkait

Lampiran Berkas

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