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    请教在dam break里如何计算获得 wavefront的速度

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    • S
      Sloan last edited by

      计算结束后,可以设置速云图,看到大概的速度大小分布。be28353f-ef3c-49a1-8ca9-8439d61e1228-image.png
      但如果我想计算wavefront的速度,该如何做呢,谢谢!比如,设置一条平行于底部的线,当alpha-water接触到这个线后,该网格被记录,然后就可以根据坐标计算,如上图所示。不知道OpenFOAM里哪个功能可以实现吗,谢谢!!!

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      • S
        Sloan last edited by

        或者,使用singleGraph来统计线上的alpha.water的值来确定位置,那么,在singlGraph字典文件里该如何定义呢,看到的例子有计算u, p的, 如user guide中:

        start (x0 y0 z0);
        end (x1 y1 z1);
        fields (U p);
        

        如果把fileds后改成 alpha.water或者alpha1, 没有报错能计算,出来的singleGraph文件夹里的结果还是U,p。请教下在singleGraph里应该如何修改才能输出是alpha.water呢,谢谢!

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        • 桎
          桎梏 @Sloan last edited by

          @Sloan 没用过这个功能 试试scalar (alpha.water)呢

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          • S
            Sloan @桎梏 last edited by

            @桎梏 好的,我试一下,谢谢建议!

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