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cfd-lab:~/zh/tools/mass-flux-balanceonline
$ cd ..

质量通量平衡可视化

由入口/出口密度、速度、面积和源项用控制体示意图检查连续性不平衡。

visual calculator数值与稳定性

先看流动形态,再相信数字。

该工具把 CFD 设置转换为工况、尺度和主导效应提示。调节下方计算器,观察动态图与计算结果如何一起变化。

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输入尺度
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模型
03
判断
mass fluxcontinuityboundary conditioncase setup
公式
KaTeX rendered
imbalance = sum(rho U A)_in + source - sum(rho U A)_out\begin{aligned}\text{imbalance = sum(rho U A)\_in + source - sum(rho U A)\_out}\end{aligned}
ASCII sourceimbalance = sum(rho U A)_in + source - sum(rho U A)_out
Continuity balance checkcontrol volumein: 2.4500 kg/sout: 2.4500 kg/ssource: 0.0000 kg/sbalancedpositive means inlet plus sources exceed outlet
mass in (kg/s)
2.4500
mass out (kg/s)
2.4500
expected out (kg/s)
2.4500
imbalance (kg/s)
0.0000
continuity error
0.00%
status
balanced
inlet patches
1
outlet patches
1

Use signed normal velocities from solver reports when available. For compressible or reacting cases, include density changes and mass sources explicitly.