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带有摩擦项的广义Chaplygin气体非对称Keyfitz-Kranzer方程组的Riemann问题
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  • 英文篇名:The Riemann Problem of Generalized Chaplygin Gas to the Non-symmetric Keyfitz-Kranzer System with a Source term
  • 作者:刘继儿 ; 郭俐辉
  • 英文作者:LIU Ji-er;GUO Li-hui;College of Mathematics and System Science, Xinjiang University;
  • 关键词:Keyfitz-Kranzer方程组 ; Riemann问题 ; 非自相似 ; δ-激波
  • 英文关键词:Keyfitz-Kranzer system;;Riemann problem;;non-self similar;;δ shock waves
  • 中文刊名:SSJS
  • 英文刊名:Mathematics in Practice and Theory
  • 机构:新疆大学数学与系统科学学院;
  • 出版日期:2019-04-08
  • 出版单位:数学的实践与认识
  • 年:2019
  • 期:v.49
  • 基金:新疆维吾尔自治区自然科学基金项目(2017D01C053)
  • 语种:中文;
  • 页:SSJS201907022
  • 页数:10
  • CN:07
  • ISSN:11-2018/O1
  • 分类号:178-187
摘要
研究了带有摩擦项的广义Chaplygin气体非对称Keyfitz-Kranzer方程组的Riemann问题,并得到其Riemann解的整体结构.Riemann解中包含激波,稀疏波,接触间断和δ-激波.与齐次非对称Keyfitz-Kranzer方程组不同的是非齐次非对称Keyfitz-Kranzer方程组的Riemann解是非自相似的.
        In this paper, we considered the Riemann problem of generalized Chaplygin gas to the non-symmetric keyfitz-kranzer equations with a Coulomb-like friction term and obtained the global structure of Riemann solution. The Riemann solution includes shock waves, rarefaction waves, contact discontinuity and delta shock waves. The difference from the homogeneous non-symmetric keyfitz-kranzer equations is Riemann solution of system(1.1)-(1.2) that is non-self similar.
引文
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