Visual simulation of landslide fluidized movement based on smoothed particle hydrodynamics

Yu Huang, Zili Dai, Weijie Zhang and Zhiyi Chen ()

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2011, vol. 59, issue 3, 1225-1238

Abstract: Earthquake-induced landslides can cause a large number of casualties and great economic loss. Presently, research methods for studying landslides are largely based on a framework of solid mechanics. In this work, visualization software, known as Visual SPH, is developed in Visual Basic 6.0, and can be used to analyze the fluidized movement of landslides based on smoothed particle hydrodynamics (SPH). First, the accuracy of the software is verified through simulating a benchmark problem of a dam-break. Then, fluidized movement analysis of the Tangjiashan landslide is carried out using this software. The simulation derives plots of displacement versus time, reproduces the entire flow process of the Tangjiashan landslide, and determines the run-out, which coincides exactly with the characteristics of flow-like landslides observed in the field. All of these are essential in the design of supporting structures and site selection for reconstruction in earthquake-prone regions. Copyright Springer Science+Business Media B.V. 2011

Keywords: Landslide; Fluidized movement; SPH; Visualization (search for similar items in EconPapers)
Date: 2011
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DOI: 10.1007/s11069-011-9859-8

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