Mechanical APDL Basic Analysis Guide - Ansys

More documents

Recommendations

Info

ANSYS Mechanical APDL Basic Analysis Guide 5.3.3. Disk Space (I/O) and Postprocessing Performance for Large Memory Problems ...................... 105 5.3.4. Memory Usage on Windows 32-bit Systems .......................................................................... 105 5.4. Using Special Solution Controls for Certain Types of Structural Analyses ......................................... 106 5.4.1. Using Abridged Solution Menus ........................................................................................... 106 5.4.2. Using the Solution Controls Dialog Box ................................................................................. 107 5.4.3. Accessing More Information ................................................................................................. 109 5.5. Using the PGR File to Store Data for Postprocessing ....................................................................... 109 5.5.1. PGR File Capability ............................................................................................................... 109 5.5.2. Selecting Information for the PGR File ................................................................................... 110 5.5.3. PGR Commands ................................................................................................................... 112 5.6. Obtaining the Solution .................................................................................................................. 112 5.7. Solving Multiple Load Steps .......................................................................................................... 113 5.7.1. Using the Multiple SOLVE Method ........................................................................................ 113 5.7.2. Using the Load Step File Method .......................................................................................... 114 5.7.3. Using the Array Parameter Method ....................................................................................... 114 5.8.Terminating a Running Job ............................................................................................................ 116 5.9. Restarting an Analysis ................................................................................................................... 116 5.9.1. Multiframe Restart ................................................................................................................ 117 5.9.1.1. Multiframe Restart Requirements ................................................................................. 120 5.9.1.1.1. Multiframe Restart Limitations ............................................................................ 121 5.9.1.2. Multiframe Restart Procedure ...................................................................................... 121 5.9.2. VT Accelerator Re-run ........................................................................................................... 123 5.9.2.1. VT Accelerator Re-run Requirements ............................................................................ 123 5.9.2.2. VT Accelerator Re-run Procedure .................................................................................. 123 5.10. Exercising Partial Solution Steps .................................................................................................. 123 5.11. Singularities ................................................................................................................................ 124 5.12. Stopping Solution After Matrix Assembly ..................................................................................... 124 6. An Overview of Postprocessing .......................................................................................................... 127 6.1. Postprocessors Available ............................................................................................................... 127 6.2. The Results Files ............................................................................................................................ 128 6.3.Types of Data Available for Postprocessing ..................................................................................... 128 7. The General Postprocessor (POST1) .................................................................................................... 131 7.1. Reading Results Data into the Database ......................................................................................... 131 7.1.1. Reading in Results Data ........................................................................................................ 131 7.1.2. Other Options for Retrieving Results Data ............................................................................. 132 7.1.2.1. Defining Data to be Retrieved ...................................................................................... 132 7.1.2.2. Reading Selected Results Information .......................................................................... 133 7.1.2.3. Appending Data to the Database ................................................................................. 133 7.1.3. Creating an Element Table .................................................................................................... 134 7.1.3.1. Filling the Element Table for Variables Identified By Name ............................................. 134 7.1.3.2. Filling the Element Table for Variables Identified By Sequence Number ......................... 135 7.1.3.3. Considerations for Defining Element Tables .................................................................. 135 7.1.4. Special Considerations for Principal Stresses ......................................................................... 136 7.1.5. Reading in FLOTRAN Results ................................................................................................. 136 7.1.6. Resetting the Database ........................................................................................................ 136 7.2. Reviewing Results in POST1 ........................................................................................................... 136 7.2.1. Displaying Results Graphically .............................................................................................. 136 7.2.1.1. Contour Displays ......................................................................................................... 137 7.2.1.2. Deformed Shape Displays ............................................................................................ 140 7.2.1.3. Vector Displays ............................................................................................................ 141 7.2.1.4. Path Plots .................................................................................................................... 142 7.2.1.5. Reaction Force Displays ............................................................................................... 142 vi Release 13.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information of ANSYS, Inc. and its subsidiaries and affiliates.
7.2.1.6. Particle Flow and Charged Particle Traces ..................................................................... 143 7.2.1.7. Cracking and Crushing Plots ........................................................................................ 145 7.2.2. Surface Operations ............................................................................................................... 145 7.2.2.1. Defining the Surface .................................................................................................... 146 7.2.2.2. Mapping Results Data Onto a Surface ........................................................................... 147 7.2.2.3. Reviewing Surface Results ........................................................................................... 148 7.2.2.4. Performing Operations on Mapped Surface Result Sets ................................................ 148 7.2.2.5. Archiving and Retrieving Surface Data to a File ............................................................. 148 7.2.2.6. Archiving and Retrieving Surface Data to an Array Parameter ....................................... 149 7.2.2.7. Deleting a Surface ....................................................................................................... 149 7.2.3. Integrating Surface Results ................................................................................................... 149 7.2.4. Listing Results in Tabular Form .............................................................................................. 150 7.2.4.1. Listing Nodal and Element Solution Data ...................................................................... 150 7.2.4.2. Listing Reaction Loads and Applied Loads .................................................................... 151 7.2.4.3. Listing Element Table Data ........................................................................................... 152 7.2.4.4. Other Listings .............................................................................................................. 153 7.2.4.5. Sorting Nodes and Elements ........................................................................................ 154 7.2.4.6. Customizing Your Tabular Listings ................................................................................ 154 7.2.5. Mapping Results onto a Path ................................................................................................ 155 7.2.5.1. Defining the Path ......................................................................................................... 155 7.2.5.2. Using Multiple Paths .................................................................................................... 156 7.2.5.3. Interpolating Data Along the Path ................................................................................ 156 7.2.5.4. Mapping Path Data ...................................................................................................... 157 7.2.5.5. Reviewing Path Items .................................................................................................. 158 7.2.5.6. Performing Mathematical Operations among Path Items .............................................. 158 7.2.5.7. Archiving and Retrieving Path Data to a File ................................................................. 158 7.2.5.8. Archiving and Retrieving Path Data to an Array Parameter ............................................ 159 7.2.5.9. Deleting a Path ............................................................................................................ 160 7.2.6. Estimating Solution Error ...................................................................................................... 161 7.2.7. Using the Results Viewer to Access Your Results File Data ...................................................... 161 7.2.7.1. The Results Viewer Layout ............................................................................................ 162 7.2.7.1.1. The Results Viewer Main Menu ............................................................................ 162 7.2.7.1.2. The Results Viewer Toolbar .................................................................................. 163 7.2.7.2. The Results Viewer Step/Sequence Data Access Controls .............................................. 164 7.2.7.3.The Results Viewer Context Sensitive Menus ................................................................. 165 7.2.7.4. Associated PGR Commands ......................................................................................... 167 7.3. Using the PGR File in POST1 .......................................................................................................... 168 7.3.1. Specifying a New PGR File in POST1 ...................................................................................... 168 7.3.2. Appending to an Existing PGR File in POST1 .......................................................................... 170 7.4. Additional POST1 Postprocessing .................................................................................................. 170 7.4.1. Rotating Results to a Different Coordinate System ................................................................. 171 7.4.2. Performing Arithmetic Operations Among Results Data ........................................................ 173 7.4.3. Creating and Combining Load Cases ..................................................................................... 175 7.4.3.1. Saving a Combined Load Case ..................................................................................... 177 7.4.3.2. Combining Load Cases in Harmonic Element Models .................................................... 178 7.4.3.3. Summable, Non-Summable, and Constant Data ............................................................ 179 7.4.4. Mapping Results onto a Different Mesh or to a Cut Boundary ................................................ 181 7.4.5. Creating or Modifying Results Data in the Database .............................................................. 181 7.4.6. Splitting Large Results Files ................................................................................................... 182 7.4.7. Magnetics Command Macros ............................................................................................... 182 7.4.8. Comparing Nodal Solutions From Two Models (RSTMAC) ...................................................... 184 7.4.8.1. Matching the Nodes .................................................................................................... 185 Release 13.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information of ANSYS, Inc. and its subsidiaries and affiliates. ANSYS Mechanical APDL Basic Analysis Guide vii
Page 1 and 2: ANSYS Mechanical APDL Basic Analysi
Page 3 and 4: Table of Contents 1. Getting Starte
Page 5: 2.8.4.3. Define Material Properties
Page 9 and 10: 10. Getting Started with Graphics .
Page 11 and 12: 13.2.4.1.Turning Load Symbols and C
Page 13 and 14: 20.8. Reviewing Contents of Binary
Page 15 and 16: List of Tables 2.1. DOF Constraints
Page 17 and 18: Chapter 1: Getting Started with ANS
Page 19 and 20: shown below define two element type
Page 21 and 22: You can choose constant, isotropic,
Page 23 and 24: You can save linear material proper
Page 25 and 26: Figure 1.4 Material Model Interface
Page 27 and 28: Figure 1.7 Data Input Dialog Box -
Page 29 and 30: The first example below is intended
Page 31 and 32: 9. Click on OK. The dialog box clos
Page 33 and 34: 1.1.4.9. Reading a Material Library
Page 35 and 36: If you are performing a static or f
Page 37 and 38: Chapter 2: Loading The primary obje
Page 39 and 40: Figure 2.2 Transient Load History C
Page 41 and 42: The arc-length method is an advance
Page 43 and 44: • Transferred solid loads will re
Page 45 and 46: Note If the node rotation angles th
Page 47 and 48: Figure 2.7 Scaling Temperature Cons
Page 49 and 50: Below are examples of some of the G
Page 51 and 52: Utility Menu> List> Loads> Surface>
Page 53 and 54: Figure 2.9 Example of Surface Load
Page 55 and 56: the shell, and 270° to 360° for t
Page 57 and 58:
Below are examples of some of the G
Page 59 and 60:
Figure 2.15 Transfers to BFK Loads
Page 61 and 62:
CASE C: At least one BFV, BFA, or B
Page 63 and 64:
A handy way to specify density so t
Page 65 and 66:
For more information, see Initial S
Page 67 and 68:
Boundary Condition Heat Flux Film C
Page 69 and 70:
This problem consists of a thermal-
Page 71 and 72:
2.6. Specifying Load Step Options A
Page 73 and 74:
- All loads changed in later load s
Page 75 and 76:
Main Menu> Preprocessor> Loads> Loa
Page 77 and 78:
Command GUI Menu Paths Main Menu> S
Page 79 and 80:
! Load Step 1: D, ... ! Loads SF, .
Page 81 and 82:
Modeling> Create> Elements> Auto Nu
Page 83 and 84:
Figure 2.22 Pretension Section Samp
Page 85 and 86:
cylind,0.35,1, 0.75,1, 0,180 wpstyl
Page 87 and 88:
11. Select Utility Menu> PlotCtrls>
Page 89 and 90:
24. Select Utility Menu> Plot> Comp
Page 91 and 92:
Chapter 3: Using the Function Tool
Page 93 and 94:
Hint: A common error is a divide-by
Page 95 and 96:
3.3. Using the Function Loader When
Page 97 and 98:
2. Define the convection boundary c
Page 99 and 100:
7. Optional: Enter comments for thi
Page 101 and 102:
3.6.1. Graphing a Function From the
Page 103 and 104:
Chapter 4: Initial State The term i
Page 105 and 106:
inis,defi,,,1,,100,200,150 inis,def
Page 107 and 108:
applies an equal stress of SX = 100
Page 109 and 110:
4.7.2. Example: Initial Stress Prob
Page 111 and 112:
inis,defi,all,all,all,all,0.1,,, in
Page 113 and 114:
Chapter 5: Solution In the solution
Page 115 and 116:
Solver Typical Applications * In to
Page 117 and 118:
used. Running the distributed spars
Page 119 and 120:
With all iterative solvers, be part
Page 121 and 122:
5.3.3. Disk Space (I/O) and Postpro
Page 123 and 124:
If your analysis is either static o
Page 125 and 126:
Note Whether you make changes to on
Page 127 and 128:
Figure 5.2 PGR File Options From th
Page 129 and 130:
GUI: Main Menu> Solution> Current L
Page 131 and 132:
Figure 5.3 Examples of Time-Varying
Page 133 and 134:
Requirements for Performing an Anal
Page 135 and 136:
*dim,temtbl,table,4,1,,time ! Defin
Page 137 and 138:
5.9.1.1.1. Multiframe Restart Limit
Page 139 and 140:
prnsol finish 5.9.2. VT Accelerator
Page 141 and 142:
5.12. Stopping Solution After Matri
Page 143 and 144:
Chapter 6: An Overview of Postproce
Page 145 and 146:
each element. Derived data are also
Page 147 and 148:
Chapter 7: The General Postprocesso
Page 149 and 150:
Although not required for postproce
Page 151 and 152:
The ETABLE command documentation li
Page 153 and 154:
• Path plots • Reaction force d
Page 155 and 156:
The PLETAB command contours data st
Page 157 and 158:
PLDISP,1 ! Deformed shape superimpo
Page 159 and 160:
7.2.1.6. Particle Flow and Charged
Page 161 and 162:
• Particle flow traces occasional
Page 163 and 164:
The surfaces you create fall into t
Page 165 and 166:
You can opt to archive all defined
Page 167 and 168:
19 41.811 51.777 .00000E+00 -66.760
Page 169 and 170:
Sample PRETAB and SSUM Output *****
Page 171 and 172:
7.2.5. Mapping Results onto a Path
Page 173 and 174:
Command(s): PDEF GUI: Main Menu> Ge
Page 175 and 176:
To retrieve path information from a
Page 177 and 178:
7.2.6. Estimating Solution Error On
Page 179 and 180:
Write Results - You can use the dat
Page 181 and 182:
NOTE: When you append data to your
Page 183 and 184:
EMF - Windows Enhanced Metafile For
Page 185 and 186:
Figure 7.20 The PGR File Options Di
Page 187 and 188:
7.4.8. Comparing Nodal Solutions Fr
Page 189 and 190:
the effect of the rigid body rotati
Page 191 and 192:
The SADD command (Main Menu> Genera
Page 193 and 194:
To view correct mid-surface results
Page 195 and 196:
To get usable results combine the r
Page 197 and 198:
7.4.4. Mapping Results onto a Diffe
Page 199 and 200:
• EMF (Main Menu> General Postpro
Page 201 and 202:
7.4.8.1. Matching the Nodes The Mec
Page 203 and 204:
7.4.8. Comparing Nodal Solutions Fr
Page 205 and 206:
Chapter 8: The Time-History Postpro
Page 207 and 208:
enables the alternate selections sh
Page 209 and 210:
1. Click on the Add Data button. Re
Page 211 and 212:
APPEND Appends data to previously s
Page 213 and 214:
!derivative of variable 2 with resp
Page 215 and 216:
The above command assumes that you
Page 217 and 218:
When plotting complex data such as
Page 219 and 220:
Sample Output from EXTREM time-hist
Page 221 and 222:
5. Select the variables to be opera
Page 223 and 224:
RESP requires two previously define
Page 225 and 226:
Chapter 9: Selecting and Components
Page 227 and 228:
Note Crossover commands for selecti
Page 229 and 230:
would put UX and UZ constraints on
Page 231 and 232:
The Command Reference describes the
Page 233 and 234:
Chapter 10: Getting Started with Gr
Page 235 and 236:
Remote Network Access Hidden Line R
Page 237 and 238:
10.4.1. Adjusting Input Focus To en
Page 239 and 240:
• If the environment variable SB_
Page 241 and 242:
10.5.5. Erasing the Current Display
Page 243 and 244:
Chapter 11: General Graphics Specif
Page 245 and 246:
11.3.1. Changing the Viewing Direct
Page 247 and 248:
11.4. Controlling Miscellaneous Tex
Page 249 and 250:
11.4.3. Controlling the Location of
Page 251 and 252:
Chapter 12: PowerGraphics Two metho
Page 253 and 254:
The subgrid approach affects both t
Page 255 and 256:
Chapter 13: Creating Geometry Displ
Page 257 and 258:
Figure 13.1 Element Plot of SOLID65
Page 259 and 260:
13.2.1.12. Vector Versus Raster Mod
Page 261 and 262:
Figure 13.2 Create Best Quality Ima
Page 263 and 264:
13.2.3.2. Choosing a Format for the
Page 265 and 266:
Chapter 14: Creating Geometric Resu
Page 267 and 268:
Figure 14.2 A Typical ANSYS Results
Page 269 and 270:
• Changing the contour interval.
Page 271 and 272:
14.5. Isosurface Techniques Isosurf
Page 273 and 274:
Chapter 15: Creating Graphs If you
Page 275 and 276:
Establishing separate Y-axis scales
Page 277 and 278:
15.2.3.5. Defining the TIME (or, Fo
Page 279 and 280:
Chapter 16: Annotation A common ste
Page 281 and 282:
16.3. 3-D Annotation 3-D text and g
Page 283 and 284:
Chapter 17: Animation Animation is
Page 285 and 286:
• ANMODE (Utility Menu> PlotCtrls
Page 287 and 288:
Figure 17.2 The Animation Controlle
Page 289 and 290:
Note If you are doing animation fro
Page 291 and 292:
Chapter 18: External Graphics Besid
Page 293 and 294:
18.1.4. Exporting Graphics in UNIX
Page 295 and 296:
Note The commands discussed in this
Page 297 and 298:
18.3.6. Editing the Neutral Graphic
Page 299 and 300:
Chapter 19: The Report Generator Th
Page 301 and 302:
2. Specify a caption for the captur
Page 303 and 304:
19.4.1.1. Creating a Custom Table I
Page 305 and 306:
Table ID 46 47 48 Description Compo
Page 307 and 308:
Button or Field DYNAMIC DATA REPORT
Page 309 and 310:
The HTML tag to begin JavaScript co
Page 311 and 312:
listingName A unique listing name a
Page 313 and 314:
Chapter 20: File Management and Fil
Page 315 and 316:
20.4. Text Versus Binary Files Depe
Page 317 and 318:
Identifier ELEM EMAT ERR ESAV FATG
Page 319 and 320:
20.4.3. File Compression Many file
Page 321 and 322:
You can also redirect graphics outp
Page 323 and 324:
Chapter 21: Memory Management and C
Page 325 and 326:
21.3.3. Changing Database Space Fro
Page 327 and 328:
Figure 21.4 Dividing Work Space ANS
Page 329 and 330:
NUM_BUFR is the number of buffers p
Page 331 and 332:
een chosen for efficient running of
Page 333 and 334:
Index Symbols 3-D graphics devices,
Page 335 and 336:
path plots, 142 POST26 graphs, 200
Page 337 and 338:
fatigue graphs, 257 files, 277 focu
Page 339 and 340:
material model interface, 8 materia
Page 341 and 342:
multiframe, 117 restarting an analy
Page 343 and 344:
WINDOW command, 227 Windows graphic
show all

Mechanical APDL Basic Analysis Guide - Ansys

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?