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| Title: | SIDE-BAND EVOLUTION OF INITIALLY UNIFORM DEEP WATER WAVE | |
| DOI No: | 10.1142/9789812701916_0011 | |
| Source: | COASTAL ENGINEERING 2004 (pp 157-168) | |
| Author(s): | H. H. HWUNG, Professor
Dept. of Hydraulics and Ocean Engineering, Director of Tainan Hydraulics Lab., National Cheng Kung Univ., Tainan 70101, Taiwan, R.O.C. W.S. CHIANG, Assistant Researcher Tainan Hydraulics Lab., Tainan 70101, Taiwan, R.O.C. P.L.F. LIU, Professor School of Civil and Environmental Engineering, Cornell University, U.S.A. P. LYNETT, Assistant Professor Dept. of Civil Engineering, Texas A&M University, U.S.A. |
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| Abstract: | In order to understand the long-time evolution of initially uniform wave trains in deep water, a series of elaborate experiments were carried out in a super wave flume at Tainan Hydraulics Laboratory. The development of wave front, the evolution of side-bands, and the non-dimensional amplitude evolution of fundamental frequency and two side-bands were studied. According to the results obtained, it is found that the side-bands evolution of initially regular wave in deep water is closely related to the initially wave steepness (k0a0), and that the exponential growth of side-bands amplitudes appears in the initial development stage in the case of larger wave steepness, and then amplitude of lower side-band is greater than upper side-band after wave breaking. Moreover, an interesting recurrence process was also observed in our experiments. | |
| Full Text: | View full text in PDF format (865KB) | |
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