Mechanical APDL Basic Analysis Guide

20.8. Reviewing Contents of Binary Files (AUX2)

The auxiliary processor AUX2 allows you to print ANSYS binary files in readable format. Use it mainly
to verify file formats (for debugging purposes). The output from a "dumped" binary file is unlabeled
and must be correlated with known formats documented in the Guide to Interfacing with ANSYS. Be
aware, though, that a complete file dump may produce many pages of unnecessary printout. The
Format argument on the FORM command (Utility Menu> File> List> Binary Files) allows you to
control the amount of output.

Use the HBMAT command to dump any matrix written on the assembled global matrix file (.FULL
file) or the superelement matrix file (.SUB file).This matrix is written to a new file (.MATRIX) in the
standard Harwell-Boeing format.

Note

The Harwell-Boeing format is column-oriented. That is, non-zero matrix values are stored

with their corresponding row indices in a sequence of columns. However, since the ANSYS

matrix files are stored by row and not column, when the HBMAT command is used with a

non-symmetric matrix, the transpose of the matrix is, in fact, written.

Use the PSMAT command to write a postscript file containing a graphic representation of any matrix
on the .FULL file. The matrix is symbolized by a grid in which colored cells represent the nonzero
coefficients of the matrix. See the PSMAT command for details.

20.9. Operating on Results Files (AUX3)

The auxiliary processor AUX3 allows you to operate on results files by deleting sets or by changing
values such as the load step, load substep, cumulative iteration, or time.

20.10. Other File Management Commands

Table 20.6: Additional File Management Commands and GUI Equivalents (p. 325) lists other useful file
management commands.

Table 20.6: Additional File Management Commands and GUI Equivalents

Com- GUI Path Purpose

mand

Copy existing binary files

from within ANSYS

/COPY Utility Menu> File> File Operations> Copy

Copy the log file during an

interactive ANSYS session

/CLOG None

/RE- Utility Menu> File> File Operations> Rename Rename files

NAME

/DELETE Utility Menu> File> File Operations> Delete Delete files

Delete certain files during

a solution run (to save disk

space)

/FDELE Utility Menu> File> ANSYS File Options

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Other File Management Commands