OpenFoam singleGraph功能示例-优快云博客

本文介绍如何使用OpenFOAM工具箱中的singleGraph工具进行指定场沿特定线段的数据采样。通过定义不同起点和终点的线段，并指定需要采样的场变量T，可以获取沿该线段分布的数据并输出为图表形式。文中提供了具体的配置示例及采样脚本。

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singleGraph/3.2.2/

/*--------------------------------*- C++ -*----------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Version:  7
     \\/     M anipulation  |
-------------------------------------------------------------------------------
Description
    Writes graph data for specified fields along a line, specified by start
    and end points.
    Contour Profiles 2.2.1

\*---------------------------------------------------------------------------*/

/*
// Line: y = 0.25
start   (0 0.25 0);
end     (1 0.25 0);
fields  (T);
*/

/*
// Line: y = 0.75
start   (0 0.75 0);
end     (1 0.75 0);
fields  (T);
*/

/*
// Line: x = 0.25
start   (0.25 0 0);
end     (0.25 1 0);
fields  (T);
*/


// Line: x = -0.5
start   (-0.5 -1 0);
end     (-0.5 1 0);
fields  (T);


// Sampling and I/O settings
#includeEtc "caseDicts/postProcessing/graphs/sampleDict.cfg"

// Override settings here, e.g.


setConfig
{
    type lineCell;
    axis y;        // y, z, xyz
}


/*
setConfig
{
    type lineCell;
    axis x;        // y, z, xyz
}
*/

// Must be last entry
#includeEtc "caseDicts/postProcessing/graphs/graph.cfg"

// ************************************************************************* //

脚本

cd /home/dyfluid/myFile/trainingExamples/foamRun/3.2.2/40tr/
foamGet singleGraph
## 重复运行/3.2.2/40tr/
gedit /home/dyfluid/myFile/trainingExamples/foamRun/3.2.2/40tr/system/singleGraph # 2
# 编辑singleGraph
postProcess -func singleGraph # 1
# gedit /home/dyfluid/myFile/trainingExamples/foamRun/3.2.2/40tr/postProcessing/singleGraph/0/line_T.xy
# # 复制进主机ex
gedit /home/dyfluid/myFile/trainingExamples/foamRun/3.2.2/40tr/postProcessing/singleGraph/6.2832/line_T.xy
# 复制进主机