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    政大機構典藏 > 理學院 > 應用數學系 > 期刊論文 >  Item 140.119/74441
    Please use this identifier to cite or link to this item: http://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 連結: http://dx.doi.org/10.1080/10407790.2014.949578
    DOI: 10.1080/10407790.2014.949578
    Appears in Collections:[應用數學系] 期刊論文

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