APPLICATION OF A NUMERICAL WAVE CHANNEL TO STUDY WAVES AND SEAWALL INTERACTION

Phung Dang Hieu, Phan Ngoc Vinh, Nguyen Van Tai, Du Van Toan, Nguyen Tan Duoc, Nguyen Thanh Hung
Author affiliations

Authors

  • Phung Dang Hieu Research institute for management of seas and islands
  • Phan Ngoc Vinh Institute of Mechanics
  • Nguyen Van Tai Department of Coastal Engineering, Hanoi Water Resources
  • Du Van Toan Research institute for management of seas and islands
  • Nguyen Tan Duoc Research institute for management of seas and islands
  • Nguyen Thanh Hung Key Laboratory for River and Coastal Engineering

DOI:

https://doi.org/10.15625/1859-3097/13/3/3527

Keywords:

Wave overtopping, seawall, numerical experiment, laboratory experiment.

Abstract

This paper presents the results of numerical experiments of waves and a combined seawall interaction using a numerical wave channel. Firsly, the concept of numerical wave channel and the foudation for buiding a numerical wave channel is presented. Then, the  experimental conditions for both numerical experiment and laboratory one are described. The results of the laboratory and numerical experiments were analyzed and compared in order to ensure the validity of the numerical simulation and give a confidence in further detail analyses of numerical results on waves and the seawall interaction. The research results showed that the numerical wave channel had good capability in conducting numerical experiments with high nonlinearity of waves including the wave breaking and wave overtopping processes. The comparison results between laboratory data and numerical results showed satisfactory agreements. The sesults also revealed that the structure of currents under wave motion was very complicated, especially in the area surrouding the breaking point. The laboratory results showed that the wave overtopping was very nonlinear and different among the laboratory experiments although these experiments were done in thesame experimental condition.

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Published

26-12-2014

How to Cite

Hieu, P. D., Vinh, P. N., Tai, N. V., Toan, D. V., Duoc, N. T., & Hung, N. T. (2014). APPLICATION OF A NUMERICAL WAVE CHANNEL TO STUDY WAVES AND SEAWALL INTERACTION. Vietnam Journal of Marine Science and Technology, 13(3), 227–233. https://doi.org/10.15625/1859-3097/13/3/3527

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