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CSI ANSYS Tips (29 entries)
 
Windows file association for ANSYS files [PDF]
  Sheldon Imaoka (CSI)
  How to associate database, graphics, and input files with ANSYS under Windows, so one can launch ANSYS more easily without the ANSYS launcher.
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Average Rating: 9.7 (17 votes)  
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Text and compression utilities [PDF]
  Sheldon Imaoka (CSI)
  Memo on text editors which support syntax highlighting, useful in editing input files and/or macros. Also discusses compression utilities to reduce filesize of database and results files. (Also see "bzip2" compression utility, not discussed in memo)
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Average Rating: 10.0 (3 votes)  
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Memory management and configuration [PDF]
  Sheldon Imaoka (CSI)
  Memo on memory management and configuration, especially in conjunction with the PCG solver and options in linear static analyses.
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Average Rating: 9.0 (10 votes)  
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License monitoring and reporting [PDF]
  Sheldon Imaoka (CSI)
  Information on license monitoring and reporting for Elan (ANSYS 5.4-5.6). At 5.7, licensing has reverted back to FlexLM, and this document is not applicable.
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Average Rating: 10.0 (4 votes)  
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Radiosity Solver [PDF]
  Sheldon Imaoka (CSI)
  Information on radiation capabilities of ANSYS, focusing on the radiosity solution method.
Accompanying input files 1, 2, 3 and 4
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Average Rating: 9.6 (13 votes)  
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Thermal Surface Effect Elements Intro [PDF]
  Sheldon Imaoka (CSI)
  Introduction to thermal surface effect elements (SURF151/152).
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Average Rating: 10.0 (7 votes)  
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QR Damped Modal Analysis [PDF]
  Sheldon Imaoka (CSI)
  Presentation on different damped eigenvalue extraction methods in ANSYS, focusing on the newer QR Damped method.
Input files in zip format
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Average Rating: 10.0 (10 votes)  
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Random Vibration Analysis of a Circuit Board [PDF]
  Sean Harvey (CSI)
  Example of random vibration analysis of a circuit board in ANSYS.
Input files in zip format
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Average Rating: 9.8 (48 votes)  
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Sine sweep simulation [PDF]
  David Haberman (CSI)
  Discussion on harmonic sweeps, either via the direct displacement method or the large mass method.
Direct displacement method example input file and Large mass method example input file
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Average Rating: 8.4 (25 votes)  
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Multiframe Restarts [PDF]
  Sean Harvey (CSI)
  Memo covering the multiframe restart capability (RESCON) in ANSYS.
Accompanying input file
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Average Rating: 4.5 (10 votes)  
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Nonlinear monitoring [PDF]
  Sheldon Imaoka (CSI)
  Memo covering the benefits of the jobname.mntr file and the MONITOR command in nonlinear analyses.
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Average Rating: 10.0 (9 votes)  
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Modeling preloaded bolts [PDF]
  Sheldon Imaoka (CSI)
  Modeling preload in bolts via contact offset, thermal contraction, or the new pretension elements PRETS179.
PRELOAD1, PRELOAD2, and PRELOAD3 input files
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Average Rating: 10.0 (12 votes)  
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Load vs. displacement control in contact problems [PDF]
  Karen Dhuyvetter (CSI)
  Discussion on load vs. displacement control for contact problems.
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Average Rating: 10.0 (18 votes)  
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Structural Beam Elements Overview [PDF]
  Sheldon Imaoka (CSI)
  An overview of beam elements available in ANSYS, including the new BEAM188/189 elements and differences between thin and thick beams.
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Average Rating: 8.8 (17 votes)  
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Different Methods of Connecting Parts Together [PDF]
  Sean Harvey (CSI)
  Connecting Parts - A study of Continuous Mesh versus Bonded Contact versus Constraint Equations.
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Average Rating: 9.4 (61 votes)  
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Converting pressures to nodal forces [PDF]
  Sheldon Imaoka (CSI)
  Tip on converting element pressures to nodal forces. This can be useful for mode superposition methods where LVSCALE may not be suitable.
SI_P2F Macro and test input file.
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Average Rating: 8.1 (32 votes)  
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Structural Shell Elements Overview [PDF]
  Sheldon Imaoka (CSI)
  Overview of structural shell elements in ANSYS, including differences between thin and thick shells, drilling DOF, etc.
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Average Rating: 9.2 (20 votes)  
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Structural Surface Effect Elements Intro [PDF]
  Sheldon Imaoka (CSI)
  Introduction to structural surface effect elements (SURF153/154).
BOLTLOAD input file
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Average Rating: 8.6 (7 votes)  
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Calculating effective Coefficient of Thermal Expansion [PDF]
  Bill Bulat (CSI)
  Tips on how to define coefficient of thermal expansion and converting that material data to format that ANSYS can use.
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Average Rating: 9.8 (44 votes)  
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Basics of ANSYS Macros [PDF]
  David Haberman (CSI)
  Basics of creating and using macros (APDL) in ANSYS.
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Average Rating: 8.0 (20 votes)  
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Parametric Studies in ANSYS [PDF]
  Sean Harvey (CSI)
  Automated parametric studies in ANSYS (generating and using parametric input files).
Example input file.
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Average Rating: 10.0 (7 votes)  
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Building Parametric Models [PDF]
  David Haberman (CSI)
  This memo provides an overview of APDL, defining parameters, and creating parametric models.
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Average Rating: 10.0 (7 votes)  
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Vector operations and commands [PDF]
  Sheldon Imaoka (CSI)
  Vector notation/functions in ANSYS allow the user to execute some of these *DO loops in a much more efficient manner. Instead of looping through individual functions, vector functions act upon arrays, resulting in faster execution times. This memo will provide some basic/introductory examples on the use of *VGET as well as the undocumented vector notation.
HTML Version here.
Accompanying input file, BUILDN1 macro, and BUILDN2 macro.

In the memo, in Section 2, please note that there is a typo. The section with the following lines:
*vget,NARRAY(1,1),node,1,u,x
*vmask,NMASK(1)
*vget,NARRAY(1,2),node,2,u,y
*vmask,NMASK(1)
*vget,NARRAY(1,3),node,3,u,z
should be replaced as follows:
*vget,NARRAY(1,1),node,1,u,x
*vmask,NMASK(1)
*vget,NARRAY(1,2),node,1,u,y
*vmask,NMASK(1)
*vget,NARRAY(1,3),node,1,u,z

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Average Rating: 8.2 (14 votes)  
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Creating APDL Macros [PDF]
  Mike Rife (CSI)
  The use of the Ansys Parametric Design Language, APDL, to create simple but reusable macros can be a significant time saver. This Tip of the Week will show two examples of macros written for current Ansys users. These macros may be extended or used as templates for future macros.
Helical fin macro and Strain energy plotting macro.
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Average Rating: 9.7 (15 votes)  
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Basics of Element Tables in ANSYS [PDF]
  Sheldon Imaoka (CSI)
  Short description on the usage and features of element tables in ANSYS.
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Average Rating: 9.6 (49 votes)  
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Plotting Entities and Graphs in Multiple Windows [PDF]
  David Haberman (CSI)
  ANSYS 5.4 through 5.6 allow users to plot multiple entities (keypoints, lines, areas, volumes, nodes, and elements) in a given window. Prior to ANSYS 5.4, a user was required to plot entities on top of one another, like transparencies. Furthermore, multi-plotting also allows a user to generate graphs. The following memo discusses how the ANSYS multi-plotting feature works.
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Average Rating: 8.8 (4 votes)  
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Converting piezoelectric data [PDF]
  Sheldon Imaoka (CSI)
  Conversion of material properties of piezoelectric ceramics (such as PZT) has caused many users confusion because of the difference between manufacturer-supplied data and the format required by ANSYS. This memo hopes to clarify this point and to provide users with information on conversion routines.
Accompanying Spreadsheet.
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Average Rating: 9.1 (41 votes)  
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Mass property calculation methods [PDF]
  Sheldon Imaoka (CSI)
  This memo covers some ways to determine mass properties of an ANSYS model.
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Average Rating: 9.6 (12 votes)  
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Formatting output text of results (PRxxxx family of commands) [PDF]
  Sheldon Imaoka (CSI)
  This memo outlines some of the options available in ANSYS to produce and to format output listings: (1) the use of the /FORMAT statement with the PRxxxx series of commands and (2) the application of *VWRITE to create custom output.
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Average Rating: 9.8 (22 votes)  
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