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政大典藏 > College of Science > Department of Mathematical Sciences > Periodical Articles > Item 140.119/74441

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/74441

Title:	A comparative study of flux limiters using new numerical methods in unsteady supersonic flows
Authors:	Li, Meng-Rong 李明融 Shieh, Tzong-Hann Li, Yu-Tso Chen Min-Chun
Contributors:	應用數學系
Date:	2015-02
Issue Date:	2015-04-09 17:42:28 (UTC+8)
Abstract:	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.
Relation:	Numerical Heat Transfer, Part B: Fundamentals,67(2),135-160 10.1080/10407790.2014.949578
Data Type:	article
DOI link:	http://dx.doi.org/10.1080/10407790.2014.949578
DOI:	10.1080/10407790.2014.949578
Appears in Collections:	[Department of Mathematical Sciences] Periodical Articles

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