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  3. ICEM全周期性网格(full periodic boundary)怎么实现

ICEM全周期性网格(full periodic boundary)怎么实现

Scheduled Pinned Locked Moved Meshy
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  • L Offline
    L Offline
    Leo_Chou
    wrote on last edited by
    #1

    比如一个四边形,上下边是周期性,左右边也是周期性,能否实现

    西湖冷月西 1 Reply Last reply
  • bestucanB Offline
    bestucanB Offline
    bestucan 版主 大神
    wrote on last edited by
    #2

    这是在计算时(fluent或者openfoam)设置的,边界条件。画网格的时候形状对了就行了。
    前后上下左右都是周期性边界条件的也有啊,这个当然可以。

    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

    1 Reply Last reply
  • 西湖冷月西 Offline
    西湖冷月西 Offline
    西湖冷月
    replied to Leo_Chou on last edited by
    #3

    @Leo_Chou 楼上说的对,画网格的时候设置周期,只是为了简化具有周期性特征的几何域网格划分难度,在ICEM设置周期最后要生成周期网格才用,上下左右都周期感觉是几何简化的问题,至于计算时候的周期,保证周期边界几何一致,网格节点一致就行。

    努力守恒。

    1 Reply Last reply
  • Z Offline
    Z Offline
    zhangshengchang
    wrote on last edited by
    #4

    我记得好像ICEM只能设置一对周期性边界条件,如果想设置多对可以先画网格的时候让周期面上的网格节点周期性对应,然后到fluent里面通过命令mesh/modify-zones/make-periodic依次选择周期面设置多对周期性边界条件

    1 Reply Last reply
  • Z Offline
    Z Offline
    zhangshengchang
    wrote on last edited by
    #5

    还有就是如果网格节点无法保证周期性一一对应,可以将对应的周期面设置为interface,然后到fluent里通过匹配两个interface面,并选择对话框下方的Periodic boundary conditions设置
    另外一款网格划分软件Gambit的话就可以直接设置多对周期性边界条件

    1 Reply Last reply

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