Cross sea

Cross sea

Ocean Environment/Sea States

Published in Sukumar Laik, Offshore Petroleum Drilling and Production, 2018

Wave interference is caused when sea and swell, or two or more systems of swell, converge. Irregular waves are formed in this meeting of different wave systems. Wave height may be increased when the crests combine, and flat zones may be caused when crests and troughs meet. When these different wave systems cross each other at an angle, the irregular wave patterns produced are called cross sea.

Research on ship motion characteristics in a cross sea based on computational fluid dynamics and potential flow theory

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Journal Information

Published in Engineering Applications of Computational Fluid Mechanics, 2023

Yu Lu, Wu Shao, Zhuhao Gu, Chunxiao Wu, Chuang Li

The security and stability of ship and ocean engineering equipment in extreme sea conditions are becoming increasingly prominent problems, especially in the North Sea, the Black Sea, South Africa, the East China Sea, the Sea of Japan, China, the South China Sea, the Taiwan Strait, and many other sea areas. The formation of the observed waves, mainly because of their instantaneous, powerful and unpredictable nature, constitute a serious threat to the safety of marine structures. When two waves in different directions generated by two weather conditions meet, a special type of wave will be generated. When the angle between the two waves is 90°, the generated wave is called a cross sea, and this cross sea is also a kind of rogue wave.

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Ocean Environment/Sea States

Research on ship motion characteristics in a cross sea based on computational fluid dynamics and potential flow theory