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首页> 外文期刊>Aerospace science and technology >Development and application of Spalart-Allmaras one equation turbulence model to three-dimensional supersonic complex configurations
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Development and application of Spalart-Allmaras one equation turbulence model to three-dimensional supersonic complex configurations

机译：Spalart-Allmaras一方程湍流模型在三维超声速复杂构型中的开发与应用

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摘要

This paper presents an extension of Spalart-Allmaras model to compressible supersonic flows. The model is implemented in a three- dimensional structured multi domain code using a high resolution implicit upwind scheme. Details of the formulation as well as the treatment of viscous gradients near boundaries are given. The method is validated for two different configurations. Firstly a cruciform missile simulation shows the ability of the method to capture accurately the interaction between the fuselage vortices and the winglets enabling the correct evaluation of the roll induced moment. Secondly an internal inlet flow computation including bleeds and struts demonstrates the usefulness and the accuracy of the method for multiple boundary layers supersonic complex configurations.
机译：本文提出了将Spalart-Allmaras模型扩展到可压缩超音速流的方法。该模型使用高分辨率隐式迎风方案在三维结构化多域代码中实现。给出了配方的详细信息以及边界附近粘性梯度的处理。该方法已针对两种不同的配置进行了验证。首先，十字形导弹仿真显示了该方法能够准确捕获机身涡流和小翼之间的相互作用的能力，从而能够正确评估侧倾感应力矩。其次，内部的内部流动计算包括抽气和压杆，证明了该方法对多个边界层超音速复杂构造的实用性和准确性。

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