Mechanical APDL Basic Analysis Guide - Ansys

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Chapter 20: File Management and Files Identifier LOCK LSCR LV LNxx PAGE PCn SCR SSCR Type Binary Binary Binary Binary Binary Binary Binary Binary Contents Prevents more than one ANSYS job with the same name from running in the same directory Scratch file (ANTYPE=4, Mode Superposition) Scratch file from substructure generation pass with more than one load vector. Scratch files for the sparse solver (x = 1-32) Page file for ANSYS virtual memory (database space) Scratch file for PCG solver (n = 1 to 10) Scratch file for Jacobi Conjugate Gradient solver Scratch file from substructure generation pass Many of the permanent ANSYS files are upwardly compatible. Files that generally can be used by future releases of ANSYS have a Y in the Upward column. Table 20.2 Permanent Files Written by the ANSYS Program Identifier ANF BCS BDB BFIN BRFL BRMG BRST BRTH CBDO CDB CMAP CMD CND CMS DB DBB DBE DBG DSUB 300 Text Text Type Binary Text Binary Binary Binary Binary Text Text Text Text Text Binary Binary Binary Binary Text Binary Upward - - - - - - - - - Y - Y Y Y Y Y - - Y Contents ANSYS Neutral Format file, written by default by ANSYS after a connection import [1] Stores performance information when running the sparse solver Database for best design (optimization) [OPKEEP] Interpolated body forces written as BF commands [BFINT] FLOTRAN results file for best design (optimization) [OPKEEP] Magnetic results file for best design (optimization) [OPKEEP] Structural results file for best design (optimization) [OPKEEP] Thermal results file for best design (optimization) [OPKEEP] Interpolated DOF data written as D Commands [CBDOF] Text database file [CDWRITE] Color map file Commands written by *CFWRITE Nonlinear diagnostics file that tracks contact quantities throughout the solution [NLDIAG] Component Mode Synthesis file Database file [SAVE, /EXIT] Copy of database file created when a nonlinear analysis terminates abnormally (used for traditional restart) Database file from VMESH failure in batch mode FLOTRAN "debug" file (contains solution information) Superelement DOF solution from use pass Release 13.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information of ANSYS, Inc. and its subsidiaries and affiliates.
Identifier ELEM EMAT ERR ESAV FATG FULL GRPH GST IGES LDHI LGW Lnn LN22 LOG LOOP MCF MCOM Mnnn MODE MP NLH NODE NR OPO OPT OSAV OUT PARM PCS PFL PSD Text Type Binary Text Binary Text Binary Text Binary Text Text Text Binary Binary Text Text Text Text Binary Binary Text Text Text Binary Text Text Binary Text Text Text Text Binary Upward Y Y - Y - - Y - Y Y Y Y - Y - Y Y Y Y Y Y Y Y - - - - Y - - - Element definitions [EWRITE] Element matrices Error and warning messages Contents Element saved data ESAV files created by nonlinear analyses may not be upwardly compatible Fatigue data [FTWRITE] Assembled global stiffness and mass matrices Neutral graphics file Graphical solution tracking file IGES file from ANSYS solid model data [IGESOUT] Loading and boundary conditions of load steps (used for multiframe restart) Database command log file [LGWRITE] Load case file (where nn = load case number) [LCWRITE] Factorized stiffness matrix (also known as the triangularized stiffness matrix) Command input history Optimization looping file Modal coordinates from harmonic or transient analysis Mode combination commands from spectrum analysis Modal displacements, velocities, and accelerations records and solution commands for a single substep of a load step (used for multiframe restart of a mode superposition transient analysis) Modal matrices (modal or buckling analysis) Material property definitions [MPWRITE] Nonlinear diagnostics file that tracks results or contact quantities throughout the solution [NLHIST] Node definitions [NWRITE] Stores Newton-Raphson iteration information when the nonlinear diagnostic tool is active [NLDIAG,NRRE,ON] ANSYS output for last optimization loop Optimization data Copy of ESAV file from last converged substep ANSYS output file Parameter definitions [PARSAV] Stores performance information when running the PCG solver FLOTRAN printout file PSD file (modal covariance matrices, etc.) Release 13.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information of ANSYS, Inc. and its subsidiaries and affiliates. 20.4.2. Files that ANSYS Writes 301
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ANSYS Mechanical APDL Basic Analysi
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Table of Contents 1. Getting Starte
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2.8.4.3. Define Material Properties
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7.2.1.6. Particle Flow and Charged
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10. Getting Started with Graphics .
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13.2.4.1.Turning Load Symbols and C
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20.8. Reviewing Contents of Binary
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List of Tables 2.1. DOF Constraints
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Chapter 1: Getting Started with ANS
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shown below define two element type
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You can choose constant, isotropic,
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You can save linear material proper
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Figure 1.4 Material Model Interface
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Figure 1.7 Data Input Dialog Box -
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The first example below is intended
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9. Click on OK. The dialog box clos
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1.1.4.9. Reading a Material Library
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If you are performing a static or f
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Chapter 2: Loading The primary obje
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Figure 2.2 Transient Load History C
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The arc-length method is an advance
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• Transferred solid loads will re
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Note If the node rotation angles th
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Figure 2.7 Scaling Temperature Cons
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Below are examples of some of the G
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Utility Menu> List> Loads> Surface>
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Figure 2.9 Example of Surface Load
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the shell, and 270° to 360° for t
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Below are examples of some of the G
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Figure 2.15 Transfers to BFK Loads
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CASE C: At least one BFV, BFA, or B
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A handy way to specify density so t
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For more information, see Initial S
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Boundary Condition Heat Flux Film C
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This problem consists of a thermal-
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2.6. Specifying Load Step Options A
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- All loads changed in later load s
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Main Menu> Preprocessor> Loads> Loa
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Command GUI Menu Paths Main Menu> S
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! Load Step 1: D, ... ! Loads SF, .
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Modeling> Create> Elements> Auto Nu
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Figure 2.22 Pretension Section Samp
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cylind,0.35,1, 0.75,1, 0,180 wpstyl
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11. Select Utility Menu> PlotCtrls>
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24. Select Utility Menu> Plot> Comp
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Chapter 3: Using the Function Tool
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Hint: A common error is a divide-by
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3.3. Using the Function Loader When
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2. Define the convection boundary c
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7. Optional: Enter comments for thi
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3.6.1. Graphing a Function From the
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Chapter 4: Initial State The term i
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inis,defi,,,1,,100,200,150 inis,def
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applies an equal stress of SX = 100
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4.7.2. Example: Initial Stress Prob
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inis,defi,all,all,all,all,0.1,,, in
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Chapter 5: Solution In the solution
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Solver Typical Applications * In to
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used. Running the distributed spars
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With all iterative solvers, be part
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5.3.3. Disk Space (I/O) and Postpro
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If your analysis is either static o
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Note Whether you make changes to on
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Figure 5.2 PGR File Options From th
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GUI: Main Menu> Solution> Current L
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Figure 5.3 Examples of Time-Varying
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Requirements for Performing an Anal
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*dim,temtbl,table,4,1,,time ! Defin
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5.9.1.1.1. Multiframe Restart Limit
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prnsol finish 5.9.2. VT Accelerator
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5.12. Stopping Solution After Matri
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Chapter 6: An Overview of Postproce
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each element. Derived data are also
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Chapter 7: The General Postprocesso
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Although not required for postproce
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The ETABLE command documentation li
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• Path plots • Reaction force d
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The PLETAB command contours data st
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PLDISP,1 ! Deformed shape superimpo
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7.2.1.6. Particle Flow and Charged
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• Particle flow traces occasional
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The surfaces you create fall into t
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You can opt to archive all defined
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19 41.811 51.777 .00000E+00 -66.760
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Sample PRETAB and SSUM Output *****
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7.2.5. Mapping Results onto a Path
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Command(s): PDEF GUI: Main Menu> Ge
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To retrieve path information from a
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7.2.6. Estimating Solution Error On
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Write Results - You can use the dat
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NOTE: When you append data to your
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EMF - Windows Enhanced Metafile For
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Figure 7.20 The PGR File Options Di
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7.4.8. Comparing Nodal Solutions Fr
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the effect of the rigid body rotati
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The SADD command (Main Menu> Genera
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To view correct mid-surface results
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To get usable results combine the r
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7.4.4. Mapping Results onto a Diffe
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• EMF (Main Menu> General Postpro
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7.4.8.1. Matching the Nodes The Mec
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7.4.8. Comparing Nodal Solutions Fr
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Chapter 8: The Time-History Postpro
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enables the alternate selections sh
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1. Click on the Add Data button. Re
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APPEND Appends data to previously s
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!derivative of variable 2 with resp
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The above command assumes that you
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When plotting complex data such as
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Sample Output from EXTREM time-hist
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5. Select the variables to be opera
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RESP requires two previously define
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Chapter 9: Selecting and Components
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Note Crossover commands for selecti
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would put UX and UZ constraints on
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The Command Reference describes the
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Chapter 10: Getting Started with Gr
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Remote Network Access Hidden Line R
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10.4.1. Adjusting Input Focus To en
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• If the environment variable SB_
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10.5.5. Erasing the Current Display
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Chapter 11: General Graphics Specif
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11.3.1. Changing the Viewing Direct
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11.4. Controlling Miscellaneous Tex
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11.4.3. Controlling the Location of
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Chapter 12: PowerGraphics Two metho
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The subgrid approach affects both t
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Chapter 13: Creating Geometry Displ
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Figure 13.1 Element Plot of SOLID65
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13.2.1.12. Vector Versus Raster Mod
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Figure 13.2 Create Best Quality Ima
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13.2.3.2. Choosing a Format for the
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Page 267 and 268: Figure 14.2 A Typical ANSYS Results
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Page 283 and 284: Chapter 17: Animation Animation is
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Page 293 and 294: 18.1.4. Exporting Graphics in UNIX
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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: 20.4. Text Versus Binary Files Depe
Page 319 and 320: 20.4.3. File Compression Many file
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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
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