Application of a 2D semi-lagrangian model to unsteady shallow water flow over dry bed

机译：二维半拉格朗日模型在干床上非恒定浅水流中的应用

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The work is devoted to the study of the applicability of a Semi-lagrangian method to the two-dimensional shallow water equations. The method is based on the characteristic formulation of the system and relies on the use of the bicharacteristic curves and a suitable interpolation technique. The interpolation is based on non-oscillatory bicubic Hermite polynomials. The technique is applied to transient problems involving front advance over dry beds with special emphasis put on the treatment of the advancing front.

机译：这项工作致力于研究半拉格朗日方法对二维浅水方程的适用性。该方法基于系统的特性公式，并依赖于使用双特性曲线和合适的插值技术。插值基于非振荡双三次Hermite多项式。该技术适用于瞬态问题，这些问题涉及在干燥床上的锋线前进，并特别强调前进线的处理。

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来源
《International Conference on Fluvial Hydraulics vol.2; 20040623-25; Napoli(IT)》|2004年|P.1023-1030|共8页
会议地点 Napoli(IT)
作者
J. Murillo; P. Garcia-Navarro;
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作者单位

Fluid Mechanics, CPS, University of Zaragoza, Spain;

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原文格式 PDF
正文语种 eng
中图分类河流;
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Application of a 2D semi-lagrangian model to unsteady shallow water flow over dry bed

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