Class-A prediction of debris flow impact against rigid obstacles

2023

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DOI 10.3997/2214-4609.2023101145
Data confidence 70 medium
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Abstract

Summary A class-A prediction of debris flow impact against rigid obstacles is presented in this paper. The granular material, defined as the non-Newtonian fluids, is described by the Bingham model. A case of the three-dimension dry granular flow down an inclined channel is simulated by the weakly-compressible SPH method. Features such as particle accumulation, the interface between inflows and quasi-static regimes during flow are well-captured.