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CFD中文网

CFD中文网

  1. CFD中文网
  2. Algorithm
  3. 网格数量对LES模型的影响

网格数量对LES模型的影响

Scheduled Pinned Locked Moved Algorithm
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  • R Offline
    R Offline
    Regina
    wrote on last edited by
    #1

    在一篇博文里看到,对于LES模型,过于细密的网格可能会导致大的误差和非物理解,请问各位大佬有人知道这是什么原因导致的吗?

    G 1 Reply Last reply
  • G Offline
    G Offline
    general
    replied to Regina on last edited by
    #2

    @regina 一个直观的感觉是,网格越小需要解析的小涡就越多,而小涡本只有统计性,所以计算误差较大吧。

    1 Reply Last reply
  • 李东岳李 Online
    李东岳李 Online
    李东岳 管理员
    wrote on last edited by
    #3

    @Regina 原文出处?

    9月CFD算法编程课: http://dyfluid.com/class.html

    需要帮助debug算例的看这个 https://cfd-china.com/topic/8018

    1 Reply Last reply
  • L Offline
    L Offline
    liergou
    wrote on last edited by
    #4

    有个方向,叫混沌之类的。详细可以了解下蝴蝶效应和非线性的一些内容。

    1 Reply Last reply

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