scholarly journals EFFICIENT LONG-PERIOD WAVE ABSORBING SUBMERGED MOUND STRUCTURE

2014 ◽  
Vol 1 (34) ◽  
pp. 61
Author(s):  
Masashi Tanaka ◽  
Akira Matsumoto ◽  
Minoru Hanzawa
Keyword(s):  
Long Period ◽  
Mound Structure ◽  
Period Wave

scholarly journals EXPERIMENTAL STUDY ON MOUND STRUCTURE OF LONG-PERIOD WAVE ABSORBING STRUCTURES USING WAVE-DISSIPATING BLOCKS

2018 ◽  
Vol 74 (2) ◽  
pp. I_545-I_550
Author(s):  
Iwao HASEGAWA ◽  
Toshio ENDOH ◽  
Masahiro ENDOH ◽  
Makoto SAOTOME ◽  
Hiroshi TAKASHIMA ◽  
...  
Keyword(s):  
Experimental Study ◽  
Long Period ◽  
Mound Structure ◽  
Period Wave

scholarly journals Wave Force Characteristics of Large-Sized Offshore Wind Support Structures to Sea Levels and Wave Conditions

2019 ◽  
Vol 9 (9) ◽  
pp. 1855
Author(s):  
Youn-Ju Jeong ◽  
Min-Su Park ◽  
Jeongsoo Kim ◽  
Sung-Hoon Song
Keyword(s):  
Shallow Water ◽  
Wave Height ◽  
Wave Force ◽  
Diffraction Effect ◽  
Support Structures ◽  
Sea Levels ◽  
Irregular Wave ◽  
Long Period ◽  
Short Period ◽  
Period Wave

This paper presents the results of wave force tests conducted on three types of offshore support structures considering eight waves and three sea levels to investigate the corresponding wave forces. As a result of this study, it is found that the occurrence of shoaling in shallow water induces a significant increase of the wave force. Most of the test models at the shallow water undergo a nonlinear increase of the wave force with higher wave height increasing. In addition, the larger the diameter of the support structure within the range of this study, the larger the diffraction effect is, and the increase in wave force due to shoaling is suppressed. Under an irregular wave at the shallow water, the wave force to the long-period wave tends to be slightly higher than that of the short period wave since the higher wave height component included in the irregular wave has an influence on the shoaling. In addition, it is found that the influence of shoaling under irregular wave becomes more apparent in the long period.

WAVE DISSIPATING CHARACTERISTICS OF LONG-PERIOD WAVE ABSORBING MOUNDS WITH WATER CHAMBER

2021 ◽  
Vol 77 (2) ◽  
pp. I_43-I_48
Author(s):  
Jun MITSUI ◽  
Mikihisa WATANABE ◽  
Shin-ichi KUBOTA ◽  
Akira MATSUMOTO
Keyword(s):  
Long Period ◽  
Water Chamber ◽  
Period Wave

scholarly journals EXPERIMENRAL STUDY ON REDUCION OF THE REFLECTION OF LONG-PERIOD WAVE BY WAVE ABSORBING MOUND

2015 ◽  
Vol 71 (2) ◽  
pp. I_817-I_822
Author(s):  
Iwao HASEGAWA ◽  
Takashi OIKAWA ◽  
Kyoshi NUKADA ◽  
Takaharu FUKUDA
Keyword(s):  
Long Period ◽  
Period Wave

Wave Spectrum Analysis of Kerry Deepwater Port Sea in Cameroon

2014 ◽  
Vol 638-640 ◽  
pp. 1280-1284
Author(s):  
Hui Xiao ◽  
Yi Feng Zhang ◽  
Hong Bo Zhao
Keyword(s):  
Fourier Transform ◽  
Spectrum Analysis ◽  
Wave Spectrum ◽  
Transform Method ◽  
Long Period ◽  
Fast Fourier Transform Method ◽  
Spectrum Characteristics ◽  
One Year ◽  
Sea Area ◽  
Period Wave

According to the measured wave data for one year in Kerry deepwater port sea area, Cameroon, the wave spectrum characteristics calculate using fast Fourier transform method; the result shows that the bimodal spectrum is given priority to this sea area, and the big wave appears in summer and autumn, the long period wave influence is opposite bigger that should be pay attention.

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