Application of Comsol multiphase flow model in the simulation of the submarine landslide evolution

Yan Peng; Dai Zili

doi:10.12284/hyxb2025029

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Yan Peng，Dai Zili. Application of Comsol multiphase flow model in the simulation of the submarine landslide evolution[J]. Haiyang Xuebao，2025, 47(4)：1–10 doi: 10.12284/hyxb2025029

Citation:

Yan Peng，Dai Zili. Application of Comsol multiphase flow model in the simulation of the submarine landslide evolution[J]. Haiyang Xuebao，2025, 47(4)：1–10 doi: 10.12284/hyxb2025029

Citation:

Yan Peng，Dai Zili. Application of Comsol multiphase flow model in the simulation of the submarine landslide evolution[J]. Haiyang Xuebao，2025, 47(4)：1–10 doi: 10.12284/hyxb2025029

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Application of Comsol multiphase flow model in the simulation of the submarine landslide evolution

doi: 10.12284/hyxb2025029

Yan Peng,
Dai Zili^,

School of Mechanics and Engineering Sciences, Shanghai University, Shanghai 200444, China

Received Date: 2024-12-03
Rev Recd Date: 2025-02-18

Available Online: 2025-04-11

Abstract

Abstract

Submarine landslide, as a prevalent natural disaster, brings substantial hazards to ocean engineering. Moreover, the secondary disasters triggered by submarine landslides will exert a significant influence on the social and economic development in coastal areas. Consequently, researching the motion process of submarine landslides is of great significance. In this paper, a multiphase flow numerical model of submarine landslides is established with Comsol. The Herschel-Bulkley-Papanastasiou (HBP) viscous fluid model is utilized to simulate the landslide, while the surrounding water is modeled by the classical Newtonian fluid model. The numerical model results are compared with the experimental data from the literature to verify the accuracy of the numerical model. It is shown that the Comsol simulation results are consistent with the data in the literature, which indicates that this model has a certain degree of accuracy and can be used for the study and prediction of submarine landslides. Furthermore, in order to further conduct research and analysis on submarine landslides, this paper simulates the Zhujiajian submarine landslide and predicts the front-side velocity and sliding distance of the landslide mass. This study can serve as a reference for the prediction and prevention of submarine landslides.
- submarine landslide,
- multiphase flow,
- evolution process,
- Comsol model

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References(27)

References

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