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  3. 使用OpenFoam1906,软件自带的造波工具包造波,如何提取波面曲线(surfaceElevation)

使用OpenFoam1906,软件自带的造波工具包造波,如何提取波面曲线(surfaceElevation)

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  • DY大世界D Offline
    DY大世界D Offline
    DY大世界
    wrote on last edited by
    #1

    我是使用OpenFOAM1906版本,使用自带的造波工具包“tutorials-multiphase-interfoam-laminar-waves”造波,造出来的波如何提取波浪自由面的波高曲线呢?如下图所示:
    surfaceElevation.png
    使用了如下的代码,但不知为啥就不对

    functions
    {
    freeSurface
       {   
           type            surfaces;
           functionObjectLibs
           (   
               "libsampling.so" 
           );  
    //        writeControl    timeStep;
    //        writeInterval   10;
    //       outputControl   outputTime;
    //       outputInterval  1;  
           writeControl    writeTime;
           surfaceFormat  vtk;
           fields
           (   
               alpha.water
           );  
           surfaces
           (   
               freeSurface
               {   
                   type        isoSurfaceCell;
                   isoField    alpha.water;
                   isoValue    0.5;
                   interpolate false;
                   regularise  false;
               }   
           );  
           interpolationScheme cell;
       }
    

    请老师们给予指点,巨谢!

    L 1 Reply Last reply
  • L Offline
    L Offline
    leilei
    replied to DY大世界 on last edited by
    #2

    @DY大世界
    hi, amigo,
    只想和你一起探讨:
    你这方法要请教下这的各位老师。。。
    只我个人观点,好像你的case里应该没有“surfaces”,只有2 fluids间的 “interface”

    waves2foam里好像有你需要的

    说的不对您原谅

    DY大世界D 1 Reply Last reply
  • DY大世界D Offline
    DY大世界D Offline
    DY大世界
    replied to leilei on last edited by
    #3

    @leilei 嗯嗯,好的,谢谢您的回复。这个问题还在努力解决中,我用的是1906版本,里面没有wave2foam工具包,准备把这个问题解决以后再用wave2foam去造波,wave2foam还是很成熟、很方便很、专业的。

    L 1 Reply Last reply
  • L Offline
    L Offline
    leilei
    replied to DY大世界 on last edited by
    #4

    @DY大世界
    hi,

    读过waves2foam手册,它有wave gauge,probes提取surface

    但1906里,两fluids间的interface是个过渡。。。那此时:
    1.1906里runtime提取液面的code怎么写
    2.在定义液面时,是否人为设个alpha值(不然不是一条线,而是一个”带“)

    其实您的问题,我也感兴趣,但一直没老师回

    还有,您把1906的结果导入paraview,试试用glyph作个U的矢量场。。。应该不行吧?:)

    1 Reply Last reply
  • yunoY Offline
    yunoY Offline
    yuno
    wrote on last edited by
    #5

    在1912自带的造波算例里的controlDict中有如下代码。是用来提取自由液面的。

    functions
    {
        line
        {
            type            sets;
            libs            (sampling);
            enabled         true;
            writeControl    writeTime;
            writeInterval   1;
    
            interpolationScheme cellPoint;
            setFormat       raw;
            sets
            (
                line1
                {
                    type    uniform;
                    axis    distance;
                    start   ( 1.0 0.02 0.0 );
                    end     ( 1.0 0.02 0.55 );
                    nPoints 1001;
                }
                line2
                {
                    type    uniform;
                    axis    distance;
                    start   ( 2.0 0.02 0.0 );
                    end     ( 2.0 0.02 0.55 );
                    nPoints 1001;
                }
                line3
                {
                    type    uniform;
                    axis    distance;
                    start   ( 3.0 0.02 0.0 );
                    end     ( 3.0 0.02 0.55 );
                    nPoints 1001;
                }
                line4
                {
                    type    uniform;
                    axis    distance;
                    start   ( 5.0 0.02 0.0 );
                    end     ( 5.0 0.02 0.55 );
                    nPoints 1001;
            );
    
            fixedLocations  false;
            fields
            (
                U alpha.water
            );
        }
    }
    

    但是提取出来的值是按照时间步给出line上所有点的alpha值。跟waves2Foam中的波高计数据不一样。

    DY大世界D 1 Reply Last reply
  • DY大世界D Offline
    DY大世界D Offline
    DY大世界
    replied to yuno on last edited by
    #6

    @yuno 好的,感谢回复指导!

    1 Reply Last reply
  • 五好青年五 Offline
    五好青年五 Offline
    五好青年
    wrote on last edited by
    #7

    可以分享一个OpenFOAM-v1906的虚拟机吗?

    I am a CFD machine with no emotions.

    1 Reply Last reply

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