Numerical Simulation of the Liquefaction Phenomenon by MPSM-DEM Coupled CAES

Koki Nakao, Shinya Inazumi, Tsuyoshi Takahashi and Supakij Nontananandh
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Koki Nakao: Graduate School of Engineering and Science, Shibaura Institute of Technology, Tokyo 135-8548, Japan
Shinya Inazumi: College of Engineering, Shibaura Institute of Technology, Tokyo 135-8548, Japan
Tsuyoshi Takahashi: Aomi Construction Co., Ltd., Tokyo 101-0021, Japan
Supakij Nontananandh: Department of Civil Engineering, Kasetsart University, Bangkok 10900, Thailand

Sustainability, 2022, vol. 14, issue 12, 1-14

Abstract: The mechanism of liquefaction and the factors that cause liquefaction behavior have previously been examined and evaluated, both analytically and experimentally; construction including liquefaction countermeasures is being implemented, based on these findings. This study presents a theoretical visualization of the mechanism of liquefaction generation and evaluates the behavior of particles in the ground. Specifically, an MPSM-DEM coupled CAE system (CAES) is employed to view the events beneath the ground, modeled three-dimensionally when an external acceleration is applied to simulate seismic waves and reveals the behavior below the surface. The numerical simulation of the liquefaction phenomenon, as represented by an MPSM-DEM coupled CAES system, clearly showed the mechanism of liquefaction generation and contributed to the design and accountability of more economical and sustainable liquefaction countermeasures, regardless of the field of specialization.

Keywords: computer-aided engineering system (CAES); discrete element method (DEM); liquefaction; moving particle semi-implicit method (MPSM) (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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