COMPUTATION OF UNSTEADY FLOW PAST BLUNT BODIES

Applied Mathematics and Mechanics (English Edition) ›› 1991, Vol. 12 ›› Issue (6): 521-529.

COMPUTATION OF UNSTEADY FLOW PAST BLUNT BODIES

姚德良, 卞荫贵

Institute of Mechanics, Academia Sinica, Beijing

收稿日期:1990-01-10 出版日期:1991-06-18 发布日期:1991-06-18

COMPUTATION OF UNSTEADY FLOW PAST BLUNT BODIES

Yao De-liang, Bian Yin-gui

Institute of Mechanics, Academia Sinica, Beijing

Received:1990-01-10 Online:1991-06-18 Published:1991-06-18

摘要/Abstract

摘要： In accordance with the recent experimental research for flow visualization, the unsteady behavior of the starting period is investigated numerically for flow past blunt bodies. Finite difference methods are employed to solve the unsteady two-dimensional incompressible Navier-Stokes equations. A short discussion is presented of explicit, implicit and ADI methods. Finally, the explicit and ADI schemes are used to study the flow field in the starting period for flow past mountain-shaped and rectangular bodies.

关键词: blunt body, ADI method, unsteady flow, computational fluid mechanics

Abstract: In accordance with the recent experimental research for flow visualization, the unsteady behavior of the starting period is investigated numerically for flow past blunt bodies. Finite difference methods are employed to solve the unsteady two-dimensional incompressible Navier-Stokes equations. A short discussion is presented of explicit, implicit and ADI methods. Finally, the explicit and ADI schemes are used to study the flow field in the starting period for flow past mountain-shaped and rectangular bodies.

Key words: blunt body, ADI method, unsteady flow, computational fluid mechanics

姚德良;卞荫贵. COMPUTATION OF UNSTEADY FLOW PAST BLUNT BODIES[J]. Applied Mathematics and Mechanics (English Edition), 1991, 12(6): 521-529.

Yao De-liang;Bian Yin-gui. COMPUTATION OF UNSTEADY FLOW PAST BLUNT BODIES[J]. Applied Mathematics and Mechanics (English Edition), 1991, 12(6): 521-529.

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