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CFD中文网

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  3. Floating point exception

Floating point exception

Scheduled Pinned Locked Moved OpenFOAM
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  • 肖恩曼肖 Offline
    肖恩曼肖 Offline
    肖恩曼
    wrote on last edited by 李东岳
    #1

    出现这个错误是什么原因啊

    #0  Foam::error::printStack(Foam::Ostream&) at ??:?
    #1  Foam::sigFpe::sigHandler(int) at ??:?
    #2  ? in "/lib/x86_64-linux-gnu/libc.so.6"
    #3  ? at ??:?
    #4  ? at ??:?
    #5  ? at ??:?
    #6  __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6"
    #7  ? at ??:?
    Floating point exception (core dumped)
    

    百度查了一下说是除了0,但是我的程序里面并没有除0啊

    1 Reply Last reply
  • 李东岳李 Offline
    李东岳李 Offline
    李东岳 管理员
    wrote on last edited by
    #2

    有没有百度的链接?

    你这个问题就是发散了,看不出来具体原因。

    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
  • 肖恩曼肖 Offline
    肖恩曼肖 Offline
    肖恩曼
    wrote on last edited by
    #3

    https://cs50.stackexchange.com/questions/2669/floating-point-exception-core-dumped

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  • 李东岳李 Offline
    李东岳李 Offline
    李东岳 管理员
    wrote on last edited by 李东岳
    #4

    这个和OpenFOAM没有关系 :quwan:

    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

    肖恩曼肖 1 Reply Last reply
  • J Offline
    J Offline
    Jacobian
    wrote on last edited by
    #5

    如果是除0的话,应该报 #2 Foam::divide at ??:? 这样的错误。
    你的这个错误像是缺少了自己写的库文件。FOAM_USER_APPBIN下能找到吗?试着重新编译一下?

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  • 肖恩曼肖 Offline
    肖恩曼肖 Offline
    肖恩曼
    replied to 李东岳 on last edited by
    #6

    @东岳 我这个程序是修改了particle库的几个函数,出错原因我猜有一种可能是particle跑出了计算域,请问如何判断particle是否在域内呢?

    A 1 Reply Last reply
  • A Offline
    A Offline
    Alvin
    replied to 肖恩曼 on last edited by
    #7

    @肖恩曼 最直接的办法是paraview查看颗粒路径轨迹,我之前也出过颗粒跑出计算域的情况

    L 1 Reply Last reply
  • L Offline
    L Offline
    lyc
    replied to Alvin on last edited by
    #8

    @Alvin 请问前辈最后有没有找到解决方法??

    1 Reply Last reply

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