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6 October 2021 A Simulation of Soil Dumping Using Moving Particle Semi-Implicit Method
Kyung Sung Kim, Jong Hyun Lee
Author Affiliations +
Abstract

Kim, K.S. and Lee, J.H., 2021. A simulation of soil dumping using moving particle semi-implicit method. In: Lee, J.L.; Suh, K.-S.; Lee, B.; Shin, S., and Lee, J. (eds.), Crisis and Integrated Management for Coastal and Marine Safety. Journal of Coastal Research, Special Issue No. 114, pp. 549–553. Coconut Creek (Florida), ISSN 0749-0208.

Soil dumping is one of most important problems on the coastal and ocean construction project. In general, the computational fluid dynamics method used grid system to simulate soil particle under flow with concentration. It can be useful for fast calculation; however, it is restricted to demonstrate its movement. The Moving Particle Semi-implicit (MPS) method follows fully Lagrangian approach, thus it can simulate soil particle behavior due to tracking each particle. In this study, the newly developed MPS method modified for solid particle was used to simulate soil dumping. For the solid particle interaction, drag force and friction force term were implemented instead of viscosity term in the governing equation. The friction force is due to friction between solid particles, and the drag force can be calculated by relative velocity around center particle within effective range. All the solid particle interaction models were validated by corresponding physical phenomena. The numerical results were compared to the corresponding experimental results and they show good agreement in the tendency of behavior.

©Coastal Education and Research Foundation, Inc. 2021
Kyung Sung Kim and Jong Hyun Lee "A Simulation of Soil Dumping Using Moving Particle Semi-Implicit Method," Journal of Coastal Research 114(sp1), 549-553, (6 October 2021). https://doi.org/10.2112/JCR-SI114-111.1
Received: 20 November 2020; Accepted: 18 January 2021; Published: 6 October 2021
KEYWORDS
moving particle semi-implicit
particle interaction
Soil dumping
solid particle method
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