Rifky Fauzi, Leo Hari Wiryanto
A numerical model for granular flow on an inclined plane is developed to simulate debris avalanche. The mathematical model for granular flow is derived under the fluid-like assumption and by depth integrating the model so that it gives a shallow water-type equation. The equation is solved numerically by using a second-order accurate predictor-corrector method on a staggered grid. The numerical result is validated by using an analytical solution for a wet-dry case. The numerical method is able to give a relatively accurate solution. © 2023 Author(s).
Department of Mathematics, Institut Teknologi Sumatera, Jl. Terusan Ryacudu, Lampung Selatan, Lampung, 35365, Indonesia; Department of Mathematics, Institut Teknologi Bandung, Jl. Ganesha, No. 10, Bandung, Jawa Barat, 40132, Indonesia
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