A finite element one-dimensional kinematic wave rainfall-runoff model

Thanh Son Nguyen , Tuan Anh Luong , Huu Dung Luong , Hong Thai Tran
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引用次数: 2

Abstract

This paper introduces a simplified distributed rainfall-runoff model based on the combination of a finite element model with the US SCS method. Excess rainfall is estimated from rainfall, soil and land-use properties according to the SCS. The approximation of river flow uses finite elements, while overland and channel flows are simulated by one-dimensional kinematic wave equations. The finite element algorithm for solving the one-dimensional kinematic wave equations is based on lumped schemes and a third order Runge–Kutta method. The proposed model is applied to estimate the flood flow in the Tra Khuc River Basin. The obtained results show the promise of this method for practical application.

一维运动波雨径流有限元模型
本文介绍了一种基于有限元模型与美国SCS方法相结合的简化分布式降雨径流模型。超额雨量是根据雨量、土壤和土地用途属性,根据《标准说明》估算的。河流流量的近似采用有限元法,而陆地和河道流量的模拟采用一维运动波动方程。求解一维运动波动方程的有限元算法是基于集总格式和三阶龙格-库塔法。将该模型应用于特拉胡克河流域的洪水流量估算。所得结果表明该方法具有实际应用的前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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