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  3. 阅读OpenFOAM中sixDoFRigidBodyMotion相关源代码的疑惑

阅读OpenFOAM中sixDoFRigidBodyMotion相关源代码的疑惑

Scheduled Pinned Locked Moved OpenFOAM
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  • W Offline
    W Offline
    warnerchang
    wrote on last edited by
    #1

    各位大神,本人刚入坑,基础比价薄,望各位大神解答一下下面几个问题
    问题一,下图中的“&”就是按位与运算吗?
    1.png
    问题二,下图中“^”就是按位异或运算吗?不应该是Omega*L+v吗?我所说的L就是力臂矢量
    2.png
    问题三,下图中为什么.H文件include放在了.C文件最后?有什么影响吗?还是与放在.C文件开头是一样的呢?
    3.png

    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
    #2

    不是你理解的意思。&号是$\bfU\cdot\bfU$,^号是$\bfU\times\bfU$,http://dyfluid.com/docs/tensor.html 这里面有详细的公式,很多都包含了

    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

    W 2 Replies Last reply
  • W Offline
    W Offline
    warnerchang
    replied to 李东岳 on last edited by
    #3

    @李东岳 噢噢,好的,谢谢东岳老师解答,那第三个问题呢?把链接文件放在最后有什么影响吗?

    1 Reply Last reply
  • W Offline
    W Offline
    warnerchang
    replied to 李东岳 on last edited by
    #4

    @李东岳 老师,你给的链接中有个公式打错了吧,是不是分子少了减号
    Image 54.png

    李东岳李 1 Reply Last reply
  • 李东岳李 Online
    李东岳李 Online
    李东岳 管理员
    replied to warnerchang on last edited by
    #5

    @warnerchang

    没影响

    我这面显示有的呀 奇怪 :143:

    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

    W 1 Reply Last reply
  • W Offline
    W Offline
    warnerchang
    replied to 李东岳 on last edited by warnerchang
    #6

    @李东岳 噢噢,好吧,可能是我浏览器的问题,不过符号函数应该是少了等号
    Image 54.png

    1 Reply Last reply

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