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  3. snappyHexMesh有些不懂求指导

snappyHexMesh有些不懂求指导

Scheduled Pinned Locked Moved Meshy
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  • T Offline
    T Offline
    Tens 神
    replied to shrine on last edited by
    #10

    @shrine 最好把stl文件和blockMeshDict文件一起发出来

    S 1 Reply Last reply
  • 李东岳李 Offline
    李东岳李 Offline
    李东岳 管理员
    replied to shrine on last edited by
    #11

    勾选internalMesh也没有么

    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

    S 1 Reply Last reply
  • S Offline
    S Offline
    shrine
    replied to 李东岳 on last edited by
    #12

    @李东岳 勾选这个就显示blockMesh区域了

    李东岳李 1 Reply Last reply
  • 李东岳李 Offline
    李东岳李 Offline
    李东岳 管理员
    replied to shrine on last edited by
    #13

    @shrine 那有可能你这个stl有洞

    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
  • S Offline
    S Offline
    shrine
    replied to Tens on last edited by
    #14

    @tens
    yuanguan.stl
    snappyhexmeshdict
    meshqualitydict

    T 1 Reply Last reply
  • T Offline
    T Offline
    Tens 神
    replied to shrine on last edited by
    #15

    @shrine 问题很多,几何文件内没有分part

    几何是(5,2.8,2.8)(35,7.2,7.2)的圆柱
    然后加密区域不在几何内

        Box
        {
            type searchableBox;
            min (-5 -2.5 -3);
            max (34 2.5 3);
        }
    

    然后这个坐标应该落在几何内部

    locationInMesh (5 0 0);
    

    可能还有其他问题,建议好好学习一下snappyHexMeshDict文件的作用,OpenFOAM里etc\caseDicts\annotated\snappyHexMeshDict这个文件对每行代码的作用都有介绍

    S 1 Reply Last reply
  • S Offline
    S Offline
    shrine
    replied to Tens on last edited by
    #16

    @tens 可不可以分段导入stl文件?

    T 1 Reply Last reply
  • T Offline
    T Offline
    Tens 神
    replied to shrine on last edited by
    #17

    @shrine 不清楚

    S 1 Reply Last reply
  • S Offline
    S Offline
    shrine
    replied to Tens on last edited by
    #18

    @tens 两个新问题

    1. 比如画了个正方体,我现在用shm得到的网格是正方体外面的,我想要正方体里面的网格,不知道在哪设置

    2. 得到的是一个整体的网格,没办法命名其中一个面作为边界。

    T 1 Reply Last reply
  • T Offline
    T Offline
    Tens 神
    replied to shrine on last edited by
    #19

    @shrine

    1. 我上面说过的,字典文件中有一个坐标,这个坐标落在几何里面,生成的网格就在里面,落在几何外面,生成的网格就在外面
      66148774-6b5c-42db-a783-f365dc9e147d-image.png
      2.在生成几何时就对每一个面进行分part并命名,然后就可以对part分别命名,我是用ICEM画的stl几何,里面可以进行这个操作,其他软件我不了解
    1 Reply Last reply

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