A new kind of high efficient non-matrix calculation differential scheme

Mingxu Qi; Bin Liu; Zhenping Feng

A new kind of high efficient non-matrix calculation differential scheme

Mingxu Qi^*, Bin Liu, Zhenping Feng

^*此作品的通讯作者

Xi'an Jiaotong University

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

A new kind of explicit-implicit differential scheme is developed in this paper. The process of the boundary information propagation is accelerated with the immediate- update method in which the information of the n+1 time step is applied. Meanwhile, the form of the implicit part is simplified and the matrix calculation is avoided. An example on a quasi-one dimensional flow in a Laval Nozzle is provided, which testifies the efficiency of the new scheme with the result of saving about three quarter to half of the calculation time compared with the old scheme.

源语言	英语
期刊	Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics
卷	21
期	2
出版状态	已出版 - 2000
已对外发布	是

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title = "A new kind of high efficient non-matrix calculation differential scheme",

abstract = "A new kind of explicit-implicit differential scheme is developed in this paper. The process of the boundary information propagation is accelerated with the immediate- update method in which the information of the n+1 time step is applied. Meanwhile, the form of the implicit part is simplified and the matrix calculation is avoided. An example on a quasi-one dimensional flow in a Laval Nozzle is provided, which testifies the efficiency of the new scheme with the result of saving about three quarter to half of the calculation time compared with the old scheme.",

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AU - Liu, Bin

AU - Feng, Zhenping

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N2 - A new kind of explicit-implicit differential scheme is developed in this paper. The process of the boundary information propagation is accelerated with the immediate- update method in which the information of the n+1 time step is applied. Meanwhile, the form of the implicit part is simplified and the matrix calculation is avoided. An example on a quasi-one dimensional flow in a Laval Nozzle is provided, which testifies the efficiency of the new scheme with the result of saving about three quarter to half of the calculation time compared with the old scheme.

AB - A new kind of explicit-implicit differential scheme is developed in this paper. The process of the boundary information propagation is accelerated with the immediate- update method in which the information of the n+1 time step is applied. Meanwhile, the form of the implicit part is simplified and the matrix calculation is avoided. An example on a quasi-one dimensional flow in a Laval Nozzle is provided, which testifies the efficiency of the new scheme with the result of saving about three quarter to half of the calculation time compared with the old scheme.

KW - Differential scheme

KW - High efficient

KW - Non-matrix calculation

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AN - SCOPUS:71149115503

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JO - Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics

JF - Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics

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A new kind of high efficient non-matrix calculation differential scheme

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