Convolution-Integral Modeling of Non-Equilibrium Sediment Transport

by Hiroji Nakagawa, Kyoto Univ, Japan,
Tetsuro Tsujimoto, Kyoto Univ, Japan,
Shogo Murakami, Kyoto Univ, Japan,

Abstract: In transient process of sediment transport due to unsteady or/and nonuniform flow or discontinuity of boundary condition, non-equilibrium process appears and it sometimes plays an important role in fluvial process. In this paper, a simple but somewhat perspective description of such a non-equilibrium process is proposed, and an application of it to bed-load motion and subsequent fluvial process is explained.

Subject Headings: Sediment transport | Mathematical models | Hydrologic models | Transient flow | Nonuniform flow | Equations of motion | Unsteady flow | Discontinuities

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