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Model Simulasi Interaksi Gelombang dan Arus di Perairan Dangkal
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Abstract
Abstrak. Persamaan mild-slope yang diturunkan Kirby (1986) dapat diterapkan untuk simulasi transformasi gelombang dari perairan dalam menuju pantai. Pada paper ini dikembangkan model Kirby dengan memperhatikan factor arus. Pengaruh arus pada transformasi gelombang tersebut diselesaikan dengan metode selisih hingga. Berdasarkan verifikasi model numerik dengan analitik menunjukkan bahwa perbedaan kecepatan rata-rata arus longhsore kurang dari 5%, artinya model numerik ini dapat mensimulasikan arus akibat induksi gelombang dengan baik. Verifikasi model gelombang dengan hasil penelitian Johnson (1952), Wiegel (1962) dan Wei (1998) menunjukkan adanya kemiripan, sedangkan perbedaan yang ada karena pada model mempertimbangkanfaktor arus.Abstract. Mild-slope equations have been derived by Kirby (1986) can be applied on simulation of wave transformation from deep water to coastal. This paper
Keywords
Mild-slope; Longshore; Arus; Metode
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References
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- Chawla, A & Kirby, J.T., 1996, "Wave Transformation Over a Submerged Shoal" , CACR-96-03, Dept. Civil Eng., Univ. of Delaware
- Dalrymple, R.A., dan Kirby, J.T., 1994, "Combined Refraction-Difraction Model" , CACR-94-22, Depart. Civil Eng., Univ. of Delaware
- Dean, R.G. dan R.A. Dalrymple, 1984, "Water Wave Mechanics for Engineers and Scientists" , Englewood Cliffs, Prentice Hall
- Horikawa, K., 1978, "Coastal Engineering: An Introduction to Ocean Engineering" , Univ.of Tokyo Press.
- Kirby, J.T. dan Dalrymple, R.A., 1983, "A Parabolic Equation For Combined Refraction-Difraction of Stokes by Mild Varying Topography" , Journal Fluid Mechanics, Vol. 136, pp. 543-566
- Kirby, J.T. dan Dalrymple, R.A., 1984, "Verification of A Parabolic Equation for Propagation of Weakly Non-Linear Waves" , Coastal Engineering, 8, 219-232
- Kirby, J.T. dan Dalrymple, R.A., 1986, "An Approximate Model For Nonlinear Dispersion In Monocromatic Wave Propagation Models" , Coastal Engineering., Vol. 9, pp. 545-561
- Muir, A.M. & Flemming, C.A., 1969, "Coastal Hydraulics" , The Macmillan Press ltd.
- Mei, C. C., 1989, "The Applied Dynamics of Ocean Surface Waves" , World Scientific U. S. Army Coastal Engineering Research Centre, 1984, "Shore Protection Manual" , Volume I
- Wei, G. & Kirby, J.T., 1998, "Simulation of Water Waves by Boussinesq Models" , CACR-98-02, Dept. Civil Eng., Univ. of Delaware.