Numerical Technique for the Triple-Deck Problem

Numerical Technique for the Triple-Deck Problem
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三层甲板问题的数值技术

DOI：
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发表时间：
1979
期刊：
影响因子：
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通讯作者：
R. Davis
R. Davis
中科院分区：
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文献类型：
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作者：
M. Napolitano;M. Werle;R. Davis

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发展了一种有效的交替方向隐式数值方法来求解超声速和亚音速流动的三层基本问题。本文以平板上抛物线形凸峰绕流为算例。该方法的准确性和可靠性进行了积极的测试与线性方程的结果为一个小的驼峰高度。完全非线性流动模式是可行的，包括轻度分离。在大驼峰高度的再附着点附近遇到了数值困难。
An efficient alternating direction implicit numerical technique is developed for solving the triple-deck fundamental problem for supersonic and subsonic flow. Flow past a parabolic hump on a flat plate is considered as a test case. Accuracy and reliability of the method are positively tested vs linearized equation results for a small hump height. Full nonlinear flow patterns are feasible, including mild separation. Numerical difficulties are encountered around the reattachment point for large hump heights.