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SVS LOGI - a software for Saint-Venant system - installation and reference manual.

机译:SVS LOGI-Saint-Venant系统的软件-安装和参考手册。

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摘要

This report describes a numerical software for the simulation of shallow water flows by means of the hyperbolic Saint-Venant equations. The main target is the development of graphical interface that allows the users to exploit the computation without resort to a direct use of the underlying numerical scheme. The first part briefly introduces the physical framework and presents a finite volume kinetic scheme to compute approximate solutions to the Saint-Venant system with a geometrical source term, which satisfies some fundamental properties (positivity of the water height, preservation of the steady states, entropy inequality). The parameters of the experimental setting are given, as derived from experimental studies realized at the Institut de Mécanique des Fluides in Toulouse, France. The second part of the report is devoted to a detailed description of the software, including the instruction for installation, system requirements and hardware architecture, and a step-by-step illustration for optimal running. It is worthwhile observing that the development of new informatics facilities causes numerical software to become rapidly obsolete, although the one presented in this report has been built using tools whose improvements are supposed to remain coherent with the previous versions. The source codes are available upon request to the authors.
机译:本报告介绍了一种通过双曲线Saint-Venant方程来模拟浅水流动的数值软件。主要目标是开发图形界面,使用户可以利用计算而无需直接使用基础数字方案。第一部分简要介绍了物理框架,并提出了一个有限体积动力学方案,用于计算带有几何源项的Saint-Venant系统的近似解,该方案满足一些基本属性(水位的正性,稳态的保持,熵)不等式)。给出了实验设置的参数,这些参数来自在法国图卢兹的流体研究所进行的实验研究。该报告的第二部分专门介绍了该软件的详细说明,包括安装说明,系统要求和硬件体系结构,以及逐步说明如何实现最佳运行。值得观察的是,新信息学设施的发展导致数值软件迅速过时,尽管本报告中介绍的软件是使用工具改进的,这些工具的改进应该与以前的版本保持一致。源代码可应要求提供给作者。

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