ansys 结果处理

/GRAPHICS,FULL
ERNORM,ON
January 30, 2001 Inventory #001442 W12-11
12A. 后处理
连杆
7b. 画结构单元能量误差评估值 (SERR):
– Main Menu > General Postproc > Plot Results > -Contour Plot- Element Solu ... • 选择 “Error estimation” 和 “StruErrEnrg SERR”, 按 [OK]
• 选择 “Stress” 和 “Z-direction SZ”, 按 [OK] 或用命令: PDEF,P2-SEQV,S,EQV,AVG PDEF,P2-SX,S,X,AVG PDEF,P2-SY,S,Y,AVG PDEF,P2-SZ,S,Z,AVG
January 30, 2001 Inventory #001442 W12-5
12A. 后处理
连杆
1. 2. 按教师指定的目录，以“conn-rod”为作业名，进入ANSYS。 从练习 11中恢复数据库文件“conn-rod.db” :
– – Utility Menu > File > Resume from … • 选择“conn-rod.db” 文件, 按 [OK] 或用命令: RESUME,conn-rod,db
练习 12A 后处理
连杆
12A. 后处理
连杆
说明 • • 对练习11中连杆进行后处理，练习按查询和路径操作. 检查误差量级, 重新划分网格并重新求解. 比较两组结果.
Workshop Supplement
January 30, 2001 Inventory #001442 W12-2
INTRODUCTION TO ANSYS 5.7 - Part 1
Workshop Supplement
INTRODUCTION TO ANSYS 5.7 - Part 1
•
• • • • • –
选择 “Stress” 和 “von Mises SEQV”, 按 [Apply]
设置lab = “p2-sx” 选择 “Stress” 和 “X-direction SX”, 按 [Apply] 设置lab = “p2-sy” 选择 “Stress” 和 “Y-direction SY”, 按 [Apply] 设置lab = “p2-sz”
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– – –
Utility Menu > Plot > Elements
Main Menu > General Postproc > Path Operations > Plot Paths Utility Menu > PlotCtrls > Style > Colors > Entity Colors … • 将 “Outline color”改为白色, 按 [OK] 或用命令: /COLOR,OUTL,BLAC EPLOT /PBC,,1 /REPLOT /PBC,Path,0 /COLOR,OUTL,WHIT
–
January 30, 2001 Inventory #001442 W12-8
12A. 后处理
连杆
Baidu NhomakorabeaWorkshop Supplement
January 30, 2001 Inventory #001442 W12-9
INTRODUCTION TO ANSYS 5.7 - Part 1
12A. 后处理
Workshop Supplement
INTRODUCTION TO ANSYS 5.7 - Part 1
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或用命令:
PLESOL,SDSG
January 30, 2001 Inventory #001442 W12-13
12A. 后处理
连杆
7d. 画结构百分比误差 (SEPC):
12A. 后处理
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5c. 画Path2分量:
– Main Menu > General Postproc > Path Operations > -Plot Path Item- On Graph … • 选择 “P2-SEQV”, 按 [Apply]
Workshop Supplement
INTRODUCTION TO ANSYS 5.7 - Part 1
Workshop Supplement
INTRODUCTION TO ANSYS 5.7 - Part 1
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–
5e. 重复步骤 5b. 和 5c. 对Path1，用“p2”替代 “p1” 作为路径标志: 按下列步骤修改坐标轴:
– Utility Menu > PlotCtrls > Style > Graphs > Modify Axes … • X-axis label = “Path1 Distance” • Y-axis label = “Stress, psi” • 选择 “Specified range”作为 Y-Axis范围 • 置 YMIN = -1100 和 YMAX = 1800, 按 [OK] Utility Menu > Plot > Replot
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• • • – • • • • – –
选择 “P2-SX” 和 un选择 “P2-SEQV”, 按 [Apply]
选择 “P2-SY” 和 un选择 “P2-SX”, 按 [Apply] 选择 “P2-SZ” 和 un选择 “P2-SY”, 按 [Apply] 选择 Path2的4个分量, 按 [OK] 设置X-axis label = “path2 Distance” 设置Y-axis label = “Stress, psi” 选择 “Specified range” for Y-Axis range 设置YMIN = -1000 和 YMAX = 1900, 按 [OK]
January 30, 2001 Inventory #001442 W12-3
12A. 后处理
连杆
4. 检查von Mises应力结果:
– Main Menu > General Postproc > Query Results > Subgrid Solu ... • 选择 “Stress” 和 “von Mises SEQV”, 按 [OK] • 在模型上拾取不同网格位置 • 按[Reset] • 按[Min] • 按[Max] • 按[OK]
Utility Menu > PlotCtrls > Style > Graphs > Modify Axes …
Utility Menu > Plot > Replot 或用命令: PLPATH,P2-SEQV PLPATH,P2-SX PLPATH,P2-SY PLPATH,P2-SZ PLPATH,P2-SEQV,P2-SX,P2-SY,P2-SZ /YRANGE,-1000,1900 $ /AXLAB,X,Path2 Distance $ /AXLAB,Y,Stress, psi
Workshop Supplement
INTRODUCTION TO ANSYS 5.7 - Part 1
3.
进入后处理器，并画von Mises应力:
– – – Main Menu > General Postproc > Plot Results > -Contour Plot- Nodal Solu ... • 选择 “Stress” 和 “von Mises SEQV”, 按 [OK] Utility Menu > PlotCtrls > Pan, Zoom, Rotate … • 按[Fit] 或用命令: /POST1 PLNSOL,S,EQV /AUTO,1 /REPLOT
Workshop Supplement
INTRODUCTION TO ANSYS 5.7 - Part 1
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或用命令:
PLESOL,SERR
January 30, 2001 Inventory #001442 W12-12
12A. 后处理
连杆
7c. 画应力离散误差(SDSG):
– Main Menu > General Postproc > Plot Results > -Contour Plot- Element Solu ... • 选择 “Error estimation” 和 “Strs deviat SDSG”, 按 [OK]
连杆
6. 通过路径画出模型:
– Utility Menu > PlotCtrls > Style > Colors > Entity Colors … • 将 “Outline color”改为黑色, 按 [OK]
Workshop Supplement
INTRODUCTION TO ANSYS 5.7 - Part 1
Workshop Supplement
INTRODUCTION TO ANSYS 5.7 - Part 1
5.
映射von Mises应力到某个路径:
– Main Menu > General Postproc > Path Operations > Define Path > By Nodes + • 在ANSYS输入窗口输入节点号“824,1029” 然后按 [Enter] • 按[OK] • 键入 “Path1”作为名字, 按 [OK] • 重新进入 “PDEF”窗口, 然后关闭 Main Menu > General Postproc > Path Operations > Define Path > By Nodes + • 在ANSYS输入窗口输入节点号“1029,521” 然后按 [Enter] • 按[OK] • 键入“Path2”作为名字, 按 [OK] • 重新进入 “PDEF”窗口,然后关闭
January 30, 2001 Inventory #001442 W12-10
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7. 画出误差评估值:
– –
Workshop Supplement
INTRODUCTION TO ANSYS 5.7 - Part 1
7a. 在图形窗口显示全部模型:
Pick the “POWRGRPH” button in the Toolbar (or Utility Menu > PlotCtrls > Style > Hidden-Line Options ) • • – 选择 “Off”, 按 [OK] 置 ERNORM = “On” Main Menu > General Postproc > Options for Outp.. > • 按[OK] 或用命令:
/REPLOT
January 30, 2001 Inventory #001442 W12-6
12A. 后处理
连杆
Workshop Supplement
January 30, 2001 Inventory #001442 W12-7
INTRODUCTION TO ANSYS 5.7 - Part 1
12A. 后处理
连杆
5d. 设置 “Path1”为当前路径，设置绘图轴为缺省值:
– Main Menu > General Postproc > Path Operations > Recall Path ... • 选择 “Path1”, 按 [OK] • 关闭 “PDEF”窗口 Utility Menu > PlotCtrls > Style > Graphs > Modify Axes … • 设置X-axis label =____ • 设置Y-axis label = ____ • 选择 “Auto calculated”作为 Y-Axis 范围, 按 [OK] 或用命令: PATH,PATH1 PDEF,STAT /YRANGE,DEFAULT $ /AXLAB,X $ /AXLAB,Y
5a. 定义两个路径:
–
January 30, 2001 Inventory #001442 W12-4
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5b. 映射von Mises, SX, SY, 和 SZ应力到 Path2 (当前路径):
– Main Menu > General Postproc > Path Operations > Map onto Path ... • 设置lab = “p2-seqv”