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題名 A comparative study of flux limiters using new numerical methods in unsteady supersonic flows
作者 Li, Meng-Rong
李明融
Shieh, Tzong-Hann
Li, Yu-Tso
Chen Min-Chun
貢獻者 應用數學系
日期 2015-02
上傳時間 9-四月-2015 17:42:28 (UTC+8)
摘要 In this study, partition of the energy equation in the Euler equations is expanded in the form of ideal mixture gas through the finite-volume method in order to discuss questions faced in the Riemann approximation solver. Through the AUSMDV numerical flux scheme with different flux limiters and types of gradient, we want to improve the calculation accuracy and reduce the nonphysical oscillation problem. Based on the AUSMDV scheme, We modify the energy equation of the ideal mixture gas which was proposed by Ton [8]. For the pressure and velocity gradient of source term Q, we establish a new method of gradient control to test whether it can make progress in the nonphysical numerical oscillation problem.
關聯 Numerical Heat Transfer, Part B: Fundamentals,67(2),135-160
10.1080/10407790.2014.949578
資料類型 article
DOI http://dx.doi.org/10.1080/10407790.2014.949578
dc.contributor 應用數學系-
dc.creator (作者) Li, Meng-Rong-
dc.creator (作者) 李明融zh_TW
dc.creator (作者) Shieh, Tzong-Hannen_US
dc.creator (作者) Li, Yu-Tsoen_US
dc.creator (作者) Chen Min-Chunen_US
dc.date (日期) 2015-02-
dc.date.accessioned 9-四月-2015 17:42:28 (UTC+8)-
dc.date.available 9-四月-2015 17:42:28 (UTC+8)-
dc.date.issued (上傳時間) 9-四月-2015 17:42:28 (UTC+8)-
dc.identifier.uri (URI) http://nccur.lib.nccu.edu.tw/handle/140.119/74441-
dc.description.abstract (摘要) In this study, partition of the energy equation in the Euler equations is expanded in the form of ideal mixture gas through the finite-volume method in order to discuss questions faced in the Riemann approximation solver. Through the AUSMDV numerical flux scheme with different flux limiters and types of gradient, we want to improve the calculation accuracy and reduce the nonphysical oscillation problem. Based on the AUSMDV scheme, We modify the energy equation of the ideal mixture gas which was proposed by Ton [8]. For the pressure and velocity gradient of source term Q, we establish a new method of gradient control to test whether it can make progress in the nonphysical numerical oscillation problem.-
dc.format.extent 140 bytes-
dc.format.mimetype text/html-
dc.relation (關聯) Numerical Heat Transfer, Part B: Fundamentals,67(2),135-160-
dc.relation (關聯) 10.1080/10407790.2014.949578-
dc.title (題名) A comparative study of flux limiters using new numerical methods in unsteady supersonic flows-
dc.type (資料類型) articleen
dc.identifier.doi (DOI) 10.1080/10407790.2014.949578-
dc.doi.uri (DOI) http://dx.doi.org/10.1080/10407790.2014.949578-