Limits of Riemann Solutions for Isentropic MHD in a Variable Cross-Section Duct as Magnetic Field Vanishes

Wancheng SHENG ¹Tao XIAO²

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作者信息

1. Department of Mathematics,Shanghai University,Shanghai 200444,China
2. Department of Mathematics,Shanghai University,Shanghai 200444,China;Shanghai Aircraft Design and Research Institute,Shanghai 201210,China
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Abstract

The stability for magnetic field to the solution of the Riemann problem for the polytropic fluid in a variable cross-section duct is discussed.By the vanishing magnetic field method,the stable solutions are determined by comparing the limit solutions with the solutions of the Riemann problem for the polytropic fluid in a duct obtained by the entropy rate admissibility criterion.

Key words

Variable duct/Magnetogasdynamics/Riemann problem/Stability/Vanishing magnetic field method

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基金项目

National Natural Science Foundation of China(12171305)

出版年

2024

数学年刊B辑(英文版)

国家教育部委托复旦大学主办

数学年刊B辑(英文版)

CSTPCD

影响因子：0.129

ISSN：0252-9599

参考文献量1

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