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CFD中文网

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  2. Algorithm
  3. 计算雷诺应力的表达式问题

计算雷诺应力的表达式问题

Scheduled Pinned Locked Moved Algorithm
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  • S Offline
    S Offline
    Shane
    wrote on last edited by 李东岳
    #1

    终于凑够C币发帖了:baobao:

    我在计算圆柱绕流问题中,需要计算雷诺应力分布。文献中涉及了雷诺正应力U'U'、V'V'和切应力U'V'。在软件中需要输入如下的场函数进行计算,遇到的问题是不太清楚这里雷诺正应力U'U'、V'V'和切应力U'V'分别表示下图中哪些项 ?:143: 请了解这块的前辈能够解答一番!:chouchou:
    应力.PNG

      文献中的雷诺应力介绍如下图
    

    应力2.PNG 应力1.PNG

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  • bestucanB Offline
    bestucanB Offline
    bestucan 版主 大神
    wrote on last edited by
    #2

    https://www.usna.edu/Users/oceano/barrett/SO414/Lesson10.pdf
    看这个:chigua:

    滚来滚去……~(~o ̄▽ ̄)~o 滚来滚去都不能让大家看出来我不是老师么 O_o

    异步沟通方式(《posting style》from wiki)(下载后打开):
    https://www.jianguoyun.com/p/Dc52X2sQsLv2BRiqnKYD
    提问的智慧(github在gitee的镜像):
    https://gitee.com/bestucan/How-To-Ask-Questions-The-Smart-Way

    S 1 Reply Last reply
  • S Offline
    S Offline
    Shane
    replied to bestucan on last edited by
    #3

    @bestucan 感谢铁子的参考资料,已经弄明白了,之前的设置是对的。然而计算出来和试验值差异较大,总体分布的趋势一致,但数值上差了几十倍,之前听师兄说SST模型计算雷洛应力不准,计算结果来看确实不太准,也可能是我哪里设置的不对。:zoule:

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