VERIFICATION OF IMPULSIVE WAVE PRESSURE DUE TO SOLITARY WAVES BASED ON TWO-PHASE FLOW SIMULATOR

Kazuhiro Fujiwara; Hiromu Igarashi; Katsumi Seki; Taro Arikawa

doi:10.9753/icce.v36.waves.81

No. 36 (2018), Waves

No. 36 (2018)

VERIFICATION OF IMPULSIVE WAVE PRESSURE DUE TO SOLITARY WAVES BASED ON TWO-PHASE FLOW SIMULATOR

Waves

https://doi.org/10.9753/icce.v36.waves.81

Published 2018-12-30

Kazuhiro Fujiwara
Hiromu Igarashi
Katsumi Seki
Taro Arikawa

Kazuhiro Fujiwara

Hiromu Igarashi

Katsumi Seki

Taro Arikawa

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Fujiwara, K., Igarashi, H., Seki, K., & Arikawa, T. (2018). VERIFICATION OF IMPULSIVE WAVE PRESSURE DUE TO SOLITARY WAVES BASED ON TWO-PHASE FLOW SIMULATOR. Coastal Engineering Proceedings, 1(36), waves.81. https://doi.org/10.9753/icce.v36.waves.81

Abstract

One of the effective protection facility against a huge tsunami is a seawall. The wave force of tsunami acting on such a seawall has been studied by many researchers so far. According to Takahashi et al. (1983), it is important to consider the following two factor for prediction of impulsive wave pressure. One is the angle between the wave front and the wall, and the other is compressibility of air. On the other hand, establishment of prediction method using numerical simulation has been attempted. As mentioned above, it is important to calculate the angle between the wave front and the wall, and in order to predict impulsive wave pressure accurately, a computational model which can treat complex interface deformation is necessary. In this study, we analyze wave pressure of solitary waves using gas-liquid two-phase simulator and examine its applicability. And also, we examine computational efficiency and speed of its simulator.

https://doi.org/10.9753/icce.v36.waves.81

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References

Arikawa, T. (2015): Consideration of characteristic of pressure on seawall by solitary waves based on hydraulic experiments [in Japanese], J.JSCE, Ser. B2, Coastal Engineering, Vol. 71, No. 2, I_889-I_894.

Arikawa, T., Yamano, T. (2009): Application of treatment for spike-noise in numerical wave tank computing impulsive wave pressure [in Japanese], TECHNICAL NOTE OF THE PORT AND AIRPORT RESEARCH INSTITUTE, No. 1175.

Takahashi, S., Tanimoto, K. and Suzunuma, S. (1983): Generation mechanism of impulsive pressure by breaking wave on a vertical wall [in Japanese], REPORT OF THE PORT AND HARBOUR RESEARCH INSTITUTE, Vol. 22, No. 4.

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VERIFICATION OF IMPULSIVE WAVE PRESSURE DUE TO SOLITARY WAVES BASED ON TWO-PHASE FLOW SIMULATOR

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