第09章 周期对称结构的静力分析.pdf
TRANSCRIPT
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N /2 N
ANSYS
6
91
9.1 9.2 6
9.1
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9.2 9.1 9.1
1 2 3 4 5 6 7 8 X 226 226 157 237.5 229.2 237.5 126 138 Z 208.8 258.7 258.7 220.3 220.3 208.8 276.7 276.7
9 10 11 12 13 14 15 16 17 X 102.5 102.5 237.5 237.5 135 243.85 243.85 229.2 162.5 Z 263 248.7 273.8 264.1 248.7 273.8 254.8 254.8 264.1
11373 / TC4 1.1510 MPa
0.30782 4.4810 /
5
9
74 628232N
6 10mm 200mm
92
MPa N mm
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921
ANSYS6.1
ANSYS6.1 1 Utility Menu >File >Change Jobname Change Jobname 9.3
9.3 2 Enter new jobnameCH09
3 4 Utility Menu >File >Change Title Change Title 9.4
9.4 5 Enter new titlesstatic analysis of compressor
structure with hole 6 7 Utility Menu>Plot>Replotstatic analysis of compressor
structure with hole 8Main Menu >Preference Preference of GUI Filtering Structural
922
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8 SOLID45SOLID45
1Main Menu >Preprocessor >Element Type >Add/Edit/DeleteElement Types 9.5
9.7 2 Library of Element Types, 9.6
9.6 3Solid
4Brick 8node 45 8 SOLID45
5 SOLID45
6
923
1 Main Menu>Preprocessor>Material Props>Material Models
Define Material Model Behavior 9.7
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9.7 2 Structural>Linear>Elastic>Isotropic
1 EX PRXY 9.8
9.8 3 EX 1.15e5 PRXY 0.30782
4 1
5 Structural>Density 9.9
9.9 6 DENS4.48e-9/ 7
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1 8 Define Material Model BehaviorMaterial >Exit
924
1 Main Menu>Preprocessor>Modeling>Create>Keypoints>In Active CSCreate Keypoint in Active Coordinate System9.10
9.10 2 Keypoint number 1
3 X,Y,Z Location in active CS 1 XZ 226 208.8
4 1 5 2 4 9.1 17
6 Utility Menu>PlotCtrls>Numbering Plot Numbering Controls 9.11
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9.11 7 Keypoint numbers
8 Line numbers 9 Numbering shown with Numbers only
10 11 Utility Menu>PlotCtrls>Pan-Zoom-Rotate Pan-Zoom-Rotate
12 Pan-Zoom-Rotate 13 Pan-Zoom-Rotate 9.12
9.12
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14Main Menu>Modeling>Create>Lines>Lines>Straight Line
15 1 21,2 12
16 231664455161615151414111112121787799101013
17 18 Utility Menu>Plot>Multi-Plots 9.13
9.13 19Main Menu>Modeling>Create>Lines>Lines>Tangent to Line
20 9.13 L11
21 17
22 8 Line Tangent to Line 9.14
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9.14 23
24 L2 25 3
26 13 9.14 27 28 Main Menu>Preprocessor>Modeling>Create>Areas>Arbitrary>By
Lines 9.15
9.15 29 Loop
30ANSYS
31 32 Utility Menu>PlotCtrls>Numbering Plot Numbering Controls Line numbers Keypoint numbers
33 Utility Menu>Plot>Areas 9.16
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9.16
925
60 Z 60
1 Main Menu>Preprocessor>Modeling>Create>Keypoints>In Active CSCreate Keypoint in Active Coordinate System 9.10
2 18 19
X 0 0 Z 0 300 3Main Menu>Preprocessor>Modeling>Operate>Extrude>Areas>About Axis
4 9.2.4
5 181918,19 Sweep Area about Axis 9.17
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9.17 6 Arc length in degrees60 7 ANSYS 60
8 Utility Menu>Plot>Volumes 9 Utility Menu>PlotCtrls>Pan-Zoom-Rotate Pan-Zoom-Rotate
10 Pan-Zoom-Rotate 11 Pan-Zoom-Rotate 9.18
9.18 15
926
ANSYS 6030
1 Utility Menu>WorkPlane>Offset WP by Increments Offset WP
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9.19
9.19 2 XY,YZ,ZX Angles30 XY Z 30 30
3
4 Main Menu>Preprocessor>Modeling>Create>Cylinder>Solid CylinderSolid Cylinder 9.20
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9.20 5WP X X200
6WP Y 0 7 Radius10 8 Depth300
9 ANSYS 9.21
9.21 10Main Menu>Preprocessor>Modeling>Operate>Subtract>Volumes
11
12 ANSYS 9.22
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9.22 13
927
9271 1 Utility Menu>PlotCtrls>Pan-Zoom-Rotate Pan-Zoom-Rotate
2 Pan-Zoom-Rotate 3 Pan-Zoom-Rotate
4 Utility Menu>WorkPlane>Align WP with>Global Cartesian
5Main Menu>Modeling>Create>Lines>Lines>Straight Line
618,19 7 8Main Menu>Preprocessor>Modeling>Create>Arcs>By Cent & Radius
90,0 10220
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220mm Arc by Center & Radius 9.23
9.23 11 Arc length in degrees60 12 ANSYS 60
130,0 14180
180mm Arc by Center & Radius 9.23 15 Arc length in degrees60 16 17 Utility Menu>Select>Entities Select Entities 9.24
18 Lines 19 Attached to
9.24 20 Areas 21 Unselect
22 5 11
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23 Menu>PlotCtrls>NumberingUtility 24 25 Utility Menu>Plot>Lines 9.25
9.25 26Main Menu>Preprocessor>Modeling>Operate>Extrude>Along Lines
27 53
9.25 L53
28 L52 ANSYS
29 54
9.25 L54
28 L52 ANSYS
ering Controls
ct Entities
Unsele
29 Utility Menu>PlotCtrls>Numbering Plot NumbLine numbers 30 Utility Menu>Select>Everything
31 Utility Menu>Select>Entities Sele32 Areas
33 Attached to 34 Volumes 35 ct
36
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37Main Menu>Preprocessor>Modeling>Operate>Divide>Volume by Area
38 39 ,ANSYS
41 Utility Menu>Plot>Volumes 9.26
40 Utility Menu>Select>Everything
9.26
9
ne>Offset WP by Increments Offset WP 9.27
271 1 Utility Menu>WorkPla
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9.27 2 Degrees 90 9.27 3 X 90
4 XY,YZ,ZX Angles,,21 Y Y Y Z 21
5Main Menu>Preprocessor>Modeling>Operate>Divide>Volu by WrkPlane
6 7 XY,YZ,ZX Angles,,9 Y 9
8Main Menu>Preprocessor>Modeling>Operate>Divide>Volu by WrkPlane
9 10 XY,YZ,ZX Angles,,9 Y 9
11Main Menu>Preprocessor>Modeling>Operate>Divide>Volu by WrkPlane
12 13Main Menu>Preprocessor>Modeling>Delete>Line and below
14
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15 Utility Menu>WorkPlane>Change Active CS to>Global cylindrical
16 Utility Menu>Select>Entities Select Entities 17 Volumes
18 By Location 19 X coordinateX
20180,220 180 220 21 From Full
22 23 Utility Menu>Select>Comp/Assembly>Create Component Create
Component 9.28
9.28 24 Component nameHOLEVol
25 Component is made of Volumes 26 27 Utility Menu>Select>Everything
28 Utility Menu>Plot>Volumes 9.29
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9.29 29
928
ANSYS CYCLIC ANSYS
ANSYS CYCLIC ANSYS ANSYS CYCLIC
1 Utility Menu>Select>Entities Select Entities
2 Areas 3 By Location
4 Y coordinateY
50 6 From Full
7
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8 Utility Menu>Select>Comp/Assembly>Create Component Create Component 9.28
9 Component nameCYCLIC_M01L CYCLIC M01L M Match01
L 10 Component is made of Areas 11
12 Utility Menu>Select>Entities Select Entities 1360
14 15 Utility Menu>Select>Comp/Assembly>Create Component Create
Component 16 Component nameCYCLIC_M01H H
17 Component is made of Areas 18 19 Utility Menu>Select>Everything
20 Main Menu>Preprocessor>Modeling>Cyclic Sector>User DefinedUser-specified Cyclic Section Definition 9.30
9.30 21 Root name of components 16CYCLIC
22 NO. of sectors6 23 Sector Angle60 24 Cyclic Coordinate System1
25
929
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ANSYS6.1
9291 1 Main Menu>Preprocessor>Meshing>Size Cntrls>Global>Size Global
Element Sizes 9.31
9.31 2 Element edge length 3
3 4 Utility Menu>Select>Comp/Assembly>Select Comp/Assembly Select
Component or Assembly 9.32
9.32 5 Comp/Assemb to be selected HOLEVOL
6
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7 Utility Menu>Select>Entities Select Entities 8 Volumes 9 By Location 10 Y coordinateY
1121,30 12 Reselct
13
14 Areas 15 Attached to
16 Volumes 17 From Full
18
19 Utility Menu>WorkPlane>align WP with>Global Cartesian
20 Utility Menu>WorkPlane>Offset WP by Increments Offset WP
21 XY,YZ,ZX Angles30 XY Z 30 30
22 X.Y.Z Offsets200 X 200
23 Offset WP 24 Utility Menu>WorkPlane>Local Coordinate Systems>Create Local CS>At WP
Origin Create Local CS at WP Origin 9.33
9.33 25 Ref number of new coord sys11
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26 Type of coordinate system Cylindrical 1
27
28 Utility Menu>Select>Entities Select Entities 29 Areas
30 By Location 31 Z coordinateZ 32264.1
33 Unselect 34 35258.7
36 37 X coordinateX
3810 39 40 Utility Menu>WorkPlane>Change Active CS to>Global Cylindrical
41 Utility Menu>Select>Entities Select Entities 42 Areas
43 By Location 44 Y coordinateY
4530 46 Unselect
47 48Main Menu>Preprocessor>Meshing>Concatenate>Areas
49
9292
1 Utility Menu>Select>Entities Select Entities 2 Lines
3 Attached to 4 Areas 5 From Full
6 7 By Location
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8 Z coordinateZ 9264.1 10 Reselect
11
12Main Menu>Preprocessor>Meshing>Concatenate>Lines
13 14 Attached to
15 Areas 16 From Full
17 18 By Location
19 Z coordinateZ 20258.7
21 Reselect 22
23Main Menu>Preprocessor>Meshing>Concatenate>Lines
24
9293
1 Utility Menu>Select>Entities Select Entities 2 Volumes 3 By Location 4 Y coordinateY
50,21 6 From Full
7 8Main Menu>Preprocessor>Meshing>Mesh>Volume Sweep>Sweep
9 10 Utility Menu>Select>Entities
11 Volumes 12 By Location
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13 Y coordinateY
1421,30 15 From Full
16 17 X coordinateX
18180,220 19 Ueselect
20 21Main Menu>Preprocessor>Meshing>Mesh>Volume Sweep>Sweep
22 23 Utility Menu>Select>Comp/Assembly>Select Comp/Assembly Select
Component or Assembly 9.32 24 Comp/Assemb to be selected HOLEVOL
25 26 Utility Menu>Select>Entities Select Entities
27 Y coordinateY
2821,30 29 Reselect
30 31Main Menu>Preprocessor>Meshing>Mesh>Volume Sweep>Sweep
32
9294 ANSYS
1 Utility Menu>Select>Entities Select Entities 2 Y coordinateY
30,30 4 From Full
5 6Main Menu>Preprocessor>Meshing>Concatenate>Del Contas>Lines
7Main Menu>Preprocessor>Meshing>Concatenate>Del Contas>Areas
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8 Utility Menu>WorkPlane>Change Active CS to>Working Planing
9Main Menu>Preprocessor>Modeling>Reflect>Volumes
10 Reflect Volumes 9.34
9.34 11 Plane of symmetry X-Z plane Y XZ
12 Items to be reflected Volumes and mesh
13 Existing volumes will be Copied 14 ANSYS XZ
15 Utility Menu>Select>Everything 16 Main Menu>Preprocessor>Numbering Ctrls>Merge Items Merge
Coincident or Equivalently Defined Items 9.35
9.35 17 Type of item to be merge All
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18 ANSYS
19 Main Menu>Preprocessor>Numbering Ctrls>Compress NumbersCompress Numbers 9.36
9.36 20 Item to be compressed ALL 21 ANSYS
22 Utility Menu>Plot>Elements 9.37
9.37 23
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ANSYSANSYS
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ANSYS
931
1 Utility Menu>WorkPlane>Change Active CS to>Global cylindrical
2Main Menu>Preprocessor>Modeling>Move / Modify>To Active CS
3 4 Utility Menu>Select>Entities Select Entities
5 Nodes 6 By Location
7 X coordinatesX
8237.5
9 From Full 10 11 Z coordinates
12220.3,208.8
13 Reselect 14 15Main Menu> Solution> Define Loads> Apply> Structural> Displacement> On
Nodes 16 Apply UROT on Nodes 9.38
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9.38 17 UX UY X Y
18 ANSYS 19 Utility Menu>Select>Everything
20 Utility Menu>Select>Entities Select Entities 21 Nodes
22 By Location 23 Z coordinates Z
24208.8
25 From Full 26 27Main Menu> Solution> Define Loads> Apply> Structural> Displacement> On
Nodes 28 9.38 Apply U
ROT on Nodes 29 UZZ UYY
30 ANSYS 31 Utility Menu>Select>Everything
32 Utility Menu>Plot>Elements 9.39
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9.39 33
932
1 Main Menu>Solution>Define Loads>Apply>Other>Angular VelocityApply Angular velocity 9.40
9.40 2 Global Cartesian Z-compZ1191.11/
3
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4 Utility Menu>Select>Entities Select Entities 5 Nodes
6 By Location 7 X coordinates X
8243.5
9 From Full 10 11 Utility Menu>Parameters>Get Scalar Data Get Scalar Data 9.41
9.41 12Model data 9.41
13 For selected set 9.41 14 Get Data for Selected Set 9.42
9.42 15 Name of parameter to be definedNo_Nodes
16 Data to be retrieved Current node set
17 No. of nodes
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18 ANSYS
19 Main Menu>Solution>Define Loads>Apply>Structural>Force/Moment>On Nodes
20 Apply F/M on Nodes 9.43
9.43 21 Direction of force/mom FXX
22 Force/moment value628232/NO_Nodes/6
23 ANSYS 24 Utility Menu>Select>Everything
25 Utility Menu>Plot>Elements 9.44
9.44 26
27Main Menu> Solution> Solve> Current LS 9.45
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9.45 28 9.46
9.46 ANSYS 29 ANSYS
29 9.47
9.47 30
94
ANSYS Jobname.RST POST1
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941
1Main Menu>General Postproc>Options for Outp Options for Output 9.48
9.48 2 Results coord system Global cylindrical
3
942
1Main Menu>General Postproc>Plot Results>Contour Plot>Nodal Solu Contour Nodal Solution Data 9.49
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9.49 2 Item to be contouredDOF solution
3 Translation UXXX
4 Def + undef edge 5 9.50
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9.50 6Main Menu>General Postproc>Plot Results>Contour Plot>Nodal Solu Contour Nodal Solution Data 9.49
7 UYY 8 9.51
9.51 9Main Menu>General Postproc>Plot Results>Contour Plot>Nodal Solu Contour Nodal Solution Data 9.49
10 UZZ
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11 9.52
9.52 12Main Menu>General Postproc>Plot Results>Contour Plot>Nodal Solu Contour Nodal Solution Data 9.49
13 USUM 14 9.53
9.53
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943
1Main Menu> General Postproc> Plot Results> Contour Plot> Nodal SoluContour Nodal Solution Data 9.54
9.54 2 Item to be contoured Stress
3 X-direction SXX 4 Def shape only
5 X 9.55
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9.55 6Main Menu> General Postproc> Plot Results> Contour Plot> Nodal Solu
Contour Nodal Solution Data 9.54 7 Item to be contoured Stress
8 Y-direction SYY 9 9.56
9.56 10Main Menu> General Postproc> Plot Results> Contour Plot> Nodal Solu
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Contour Nodal Solution Data 9.54 11 Item to be contoured Stress
12 Z-direction SZZ 13 9.57
9.57 14Main Menu> General Postproc> Plot Results> Contour Plot> Nodal Solu
Contour Nodal Solution Data 9.54 15 Item to be contoured Stress
16 von Mises SEQVvon Mises 17 Def shape only
10 von Mises 9.58
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9.58 von Mises
95
GUI
! /FILNAME,CH09 /TITLE,static analysis of compressor structure with hole ! /PREP7 ET,1,SOLID45 ! 8 SOLID45 MP,EX,1, 1.15e5 ! 1.15e5MPa MP,PRXY,1,0.30782 ! 0.30782 MP,DENS,1,4.48e-9 ! 4.48e-9/ ! K,1,226,,208.8 K,2,226,,258.7 K,3,157,,258.7
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K,4,237.5,,220.3 K,5,229.2,,220.3 K,6,237.5,,208.8 K,7,126,,276.7 K,8,138,,276.7 K,9,102.5,,263 K,10,102.5,,248.7 K,11,237.5,,273.8 K,12,237.5,,264.1 K,13,135,,248.7 K,14,243.85,,273.8 K,15,243.85,,254.8 K,16,229.2,,254.8 K,17,162.5,,264.1 /PNUM,KP,1 ! /PNUM,LINE,1 ! /NUMBER,2 ! /VIEW, 1 ,,-1 /AUTO, 1 ! Bottom ! LSTR,1,2 LSTR,2,3 LSTR,1,6 LSTR,6,4 LSTR,4,5 LSTR,5,16 LSTR,16,15 LSTR,15,14 LSTR,14,11 LSTR,11,12 LSTR,12,17 LSTR,8,7 LSTR,7,9 LSTR,9,10 LSTR,10,13 LPLOT !
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LTAN,11,8 ! LTAN,2,13 AL,ALL ! /PNUM,LINE,0 ! /PNUM,KP,0 ! ! K,18,,,, K,19,,,300 ! VROTAT,ALL,,,,,,18,19,60 ! 1819 60 /VIEW, 1 ,1,1,1 /AUTO, 1 ! iso SAVE ! wprot,30 ! Z 30 CYL4,200,0,10,,,,300 !200,0 10 300
VSBV,1,2 ! SAVE ! /VIEW, 1 ,,,-1 /AUTO, 1 ! BACK WPCSYS,-1,0 ! LSTR,18,19 ! FLST,2,2,8 FITEM,2,0,0,0 FITEM,2,220,0,0 CIRCLE,P51X,,,,60 ! 220 FLST,2,2,8 FITEM,2,0,0,0 FITEM,2,180,0,0 CIRCLE,P51X,,,,60 ! 180 LSLA,U ! /PNUM,LINE,1 ! ADRAG,53,,,,,,52 ! 220 ADRAG,54,,,,,,52 ! 180 /PNUM,LINE,0
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ALLSEL ! ASLV,U ! VSBA,ALL,ALL ! ALLSEL wprot,,90 ! X 90 wprot,,,21 ! Y 21 VSBW,ALL ! wprot,,,9 ! Y 9 VSBW,ALL ! wprot,,,9 ! Y 9 VSBW,ALL ! LDELE,52,,,1 ! CSYS,1 ! VSEL,S,LOC,X,180,220 ! CM,HOLEVOL,VOLU ! HOLEVOL ALLSEL VPLOT ! SAVE ! ASEL,S,LOC,Y,0 ! CM,CYCLIC_M01L,AREA ! ASEL,S,LOC,Y,60 ! CM,CYCLIC_M01h,AREA ! ALLSEL CYCLIC,6,60,1,'CYCLIC' ! ESIZE,3 ! CMSEL,S,HOLEVOL HOLEVOL VSEL,R,LOC,Y,21,30 ! ASLV,S WPCSYS,-1,0 wprot,30 wpoff,200 CSWPLA,11,1 !
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ASEL,U,LOC,Z,264.1 ! ASEL,U,LOC,Z,258.7 ! ASEL,U,LOC,X,10 ! CSYS,1 ASEL,U,LOC,Y,30 ! ACCAT,ALL LSLA,S LSEL,R,LOC,Z,264.1 ! LCCAT,ALL ! LSLA,S LSEL,R,LOC,Z,258.7 ! LCCAT,ALL ! ! TYPE,1 MSHAPE,0,3D ! VSEL,S,LOC,Y,0,21 ! VSWEEP,ALL ! VSEL,S,LOC,Y,21,30 ! VSEL,U,LOC,X,180,220 ! VSWEEP,ALL ! CMSEL,S,HOLEVOL VSEL,R,LOC,Y,21,30 ! VSWEEP,ALL ! VSEL,S,LOC,Y,0,30 ! ASEL,S,ACCA ! ADELE,ALL ! LSEL,S,LCCA ! LDELE,ALL ! CSYS,4 ! VSYMM,Y,ALL,,,,0,0 ! XZ ALLSEL ! NUMMRG,ALL ! NUMCMP,ALL ! CSYS,1 NROTAT,ALL SAVE
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! /SOLU ANTYPE,STATIC !ANSYS ! NSEL,S,LOC,X,237.5 NSEL,R,LOC,Z,220.3,208.8 D,ALL,,,,,,UX,UY ALLSEL ! NSEL,S,LOC,Z,208.8 D,ALL,,,,,,UY,UZ ALLSEL EPLOT SAVE OMEGA,,,1191.11 ! ! NSEL,S,LOC,X,243.5 ! *GET,NO_Nodes,NODE,,COUNT ! F,ALL,FX,628232/NO_Nodes/6 ! ALLSEL SAVE ! SOLVE ! FINISH ! /POST1 PLNSOL,U,X,2,1 ! PLNSOL,U,Y,2,1 ! PLNSOL,U,Z,2,1 !
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PLNSOL,U,SUM,2,1 ! PLNSOL,S,X,0,1 ! PLNSOL,S,Y,0,1 ! PLNSOL,S,Z,0,1 ! PLNSOL,S,EQV,0,1 ! FINISH