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    求助——PBM里面的(bin-i-fraction)source term

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    • X
      Xipeng last edited by

      PBM里面的(bin-i-fraction)source term 的单位是什么呀,还有Fluent具体是怎么计算他的呢?

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      • X
        Xipeng last edited by

        纠结了很久,也测试过,但是一直没找到规律

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        • bestucan
          bestucan 版主 副教授 last edited by

          这种东西要看文档,你的ansys安装包如果全的话,应该有三个镜像文件,其中一个是文件名含有“DOCS”。
          里面有很多PDF。PBM的手册在新版中没有单独的PDF。而在这里:ANSYS Fluent Advanced Add-On Modules
          这里有你要找的东西。

          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/blob/master/README-zh_CN.md

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          • X
            Xipeng @Xipeng last edited by

            @Xipeng 非常感谢哈哈,不过我看了你说的这个Manuel,里面直接针对bin fraction source term 有解释,我再去看看,测试一下。希望能找出答案

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            • X
              Xipeng last edited by

              *是没有直接的解释

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              • X
                Xipeng last edited by

                测试出来了QAQ:
                𝐵𝑖𝑛 𝑓𝑟𝑎𝑐𝑡𝑖𝑜𝑛 𝑠𝑜𝑢𝑟𝑐𝑒=(𝐵𝑖𝑛 𝑓𝑟𝑎𝑐𝑡𝑖𝑜𝑛 𝑐ℎ𝑎𝑛𝑔𝑒×𝐶𝑢𝑟𝑟𝑒𝑛𝑡 𝑝ℎ𝑎𝑠𝑒 𝑣𝑜𝑙𝑢𝑚𝑒 𝑓𝑟𝑎𝑐𝑡𝑖𝑜𝑛)/(𝐶𝑒𝑙𝑙 𝑣𝑜𝑙𝑢𝑚𝑒 ×𝑇𝑖𝑚𝑒 𝑠𝑡𝑒𝑝 𝑠𝑖𝑧𝑒)

                Eg: Bin 1 bin fraction decrease 2% in 0.1s, cell volume is 0.001 m3, inclusion phase volume fraction is 1%

                322c153e-e638-4775-9e9a-4e0939981818-image.png
                2 is the number that we give fluent, 0.02 is actual bin fraction change.

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