MoldFlow分析結果講習--分析結果解釋
分析結果的一個重要部分是理解結果的定義,并知道怎樣使用結果。下面將列出常用結果的定義及怎樣使用。
屏幕輸出文件(screen output)和結果概要(results summary)
屏幕輸出文件和結果概要都包含了一些分析的關鍵結果的總結性信息。屏幕輸出文件還包含如圖169所示的附加輸出,表明分析正在進行,同時還提供重要信息。從它可以看出分析使用的壓力和鎖模力的大小、流率的大小和使用的控制類型。
Filling phase: Status: V = Velocity control
P = Pressure control
V/P= Velocity/pressure switch-over
|-------------------------------------------------------------|
| Time | Volume| Pressure | Clamp force|Flow rate|Status |
| (s) | (%) | (MPa) | (tonne) |(cm^3/s) | |
|-------------------------------------------------------------|
| 0.25 | 4.20 | 7.71 | 4.34 | 441.92 | V |
| 0.50 | 8.87 | 12.20 | 16.95 | 485.10 | V |
| 0.74 | 13.48 | 15.99 | 38.17 | 480.56 | V |
| 0.98 | 17.98 | 20.85 | 79.31 | 480.06 | V |
| 1.23 | 22.65 | 25.65 | 134.77 | 484.03 | V |
| 1.47 | 27.23 | 30.39 | 202.10 | 485.47 | V |
| 1.72 | 31.81 | 35.11 | 282.36 | 488.61 | V |
| 1.97 | 36.58 | 40.06 | 381.25 | 491.44 | V |
| 2.21 | 41.22 | 44.52 | 483.00 | 494.45 | V |
| 2.45 | 45.83 | 49.45 | 611.51 | 494.44 | V |
| 2.70 | 50.57 | 54.59 | 765.69 | 492.31 | V |
| 2.95 | 55.15 | 59.99 | 937.90 | 496.41 | V |
| 3.19 | 59.67 | 64.97 | 1105.54 | 499.49 | V |
| 3.43 | 64.36 | 70.14 | 1291.49 | 500.91 | V |
| 3.68 | 69.11 | 75.35 | 1494.82 | 502.35 | V |
| 3.92 | 73.66 | 80.19 | 1699.99 | 503.89 | V |
| 4.17 | 78.43 | 85.30 | 1934.89 | 505.82 | V |
| 4.41 | 83.13 | 90.23 | 2184.04 | 506.97 | V |
| 4.66 | 87.74 | 95.01 | 2439.39 | 508.52 | V |
| 4.91 | 92.48 | 100.01 | 2726.84 | 509.75 | V |
| 5.08 | 95.68 | | | | V/P |
| 5.08 | 95.68 | 106.06 | 3112.09 | 503.26 | P |
| 5.15 | 96.54 | 84.85 | 2592.91 | 247.17 | P |
| 5.40 | 98.17 | 84.85 | 3007.69 | 156.82 | P |
| 5.71 | 98.99 | 84.85 | 3399.84 | 82.69 | P |
| 5.90 | 99.38 | 84.85 | 3477.54 | 64.25 | P |
| 6.14 | 99.73 | 84.85 | 3537.26 | 49.34 | P |
| 6.37 | 99.97 | 84.85 | 3585.52 | 38.73 | P |
| 6.38 | 99.98 | 84.85 | 3592.73 | 37.66 | P |
| 6.39 |100.00 | 84.85 | 3599.93 | 37.66 |Filled |
圖169. 充模分析的屏幕輸出文件
屏幕輸出文件和結果概要都有與圖170相似的部分。它同時包含了分析過程中(第一部分)和分析結束時的關鍵信息。使用這些信息可以快速查看這些變量,從而判斷是否需要詳細分析某一結果,以發現問題。
Filling phase results summary for the part :
Bulk temperature - maximum (at 4.906 s) = 252.5450 C
Bulk temperature - 95th percentile (at 5.082 s) = 251.2430 C
Bulk temperature - 5th percentile (at 6.389 s) = 214.1860 C
Bulk temperature - minimum (at 6.379 s) = 105.0260 C
Wall shear stress - maximum (at 6.389 s) = 0.6826 MPa
Wall shear stress - 95th percentile (at 0.249 s) = 0.3107 MPa
Shear rate - maximum (at 4.906 s) = 4725.2798 1/s
Shear rate - 95th percentile (at 0.249 s) = 2489.9800 1/s
End of filling phase results summary for the part :
Total part weight = 2512.5301 g
Bulk temperature - maximum = 247.0680 C
Bulk temperature - 95th percentile = 244.5620 C
Bulk temperature - 5th percentile = 214.1860 C
Bulk temperature - minimum = 105.0370 C
Bulk temperature - average = 233.7720 C
Bulk temperature - RMS deviation = 12.9527 C
Wall shear stress - maximum = 0.6826 MPa
Wall shear stress - 95th percentile = 0.1478 MPa
Wall shear stress - average = 0.0926 MPa
Wall shear stress - RMS deviation = 0.0443 MPa
Frozen layer fraction - maximum = 0.5465
Frozen layer fraction - 95th percentile = 0.1257
Frozen layer fraction - 5th percentile = 0.0649
Frozen layer fraction - minimum = 0.0000
Frozen layer fraction - average = 0.0898
Frozen layer fraction - RMS deviation = 0.0263
Shear rate - maximum = 2176.5300 1/s
Shear rate - 95th percentile = 58.9857 1/s
Shear rate - average = 22.8884 1/s
Shear rate - RMS deviation = 27.0947 1/s
圖170. 結果概要輸出
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