Identification of the Friction Coefficient for Steady and Unsteady Shallow-Water Flows

A. Soulaimani
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Abstract

This work presents some recent results on the solution of shallow-water flows using the finite element method and the optimal control method for distributed systems. The objective is to identify the friction coefficient for steady and unsteady flows, such as the numerical solution is close to the measurement data. We investigate the following aspects: the finite element discretization, the regularization of the cost function and the solution algorithms. Several benchmark tests are presented.
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定常与非定常浅水流动摩擦系数的辨识
本文介绍了用有限元法和分布式系统最优控制方法求解浅水流动问题的一些最新成果。目的是确定定常和非定常流动的摩擦系数,如数值解与测量数据接近。我们研究了以下几个方面:有限元离散化,成本函数的正则化和求解算法。给出了几个基准测试。
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