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The Riemann Problem for Chaplygin Gas Flow in a Duct with Discontinuous Cross-Section

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摘要 The fluid flows in a variable cross-section duct are nonconservative because of the source term.Recently,the Riemann problem and the interactions of the elementary waves for the compressible isentropic gas in a variable cross-section duct were studied.In this paper,the Riemann problem for Chaplygin gas flow in a duct with discontinuous cross-section is studied.The elementary waves include rarefaction waves,shock waves,delta waves and stationary waves.
作者 Liancheng DANG Wancheng SHENG
机构地区 Department of Mathematics Corresponding author.Department of Mathematics
出处 《Chinese Annals of Mathematics,Series B》 SCIE CSCD 2020年第4期531-546,共16页 数学年刊（B辑英文版）
基金 the National Natural Science Foundation of China(Nos.11371240,11771274)。
关键词 Duct flow Chaplygin gas equations NONCONSERVATIVE Riemann problem Delta wave Stationary wave
分类号 O186.12 [理学—基础数学]
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Chinese Annals of Mathematics,Series B
2020年 第4期

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