Abaqus Analysis User's Guide
3.7.1 Fortran unit numbers used by Abaqus
Products: Abaqus/Standard Abaqus/Explicit
Overview
Abaqus uses the Fortran unit numbers outlined in the table below. Unless noted otherwise, you should not try to write to these Fortran units from user subroutines.
For Abaqus/Standard, you should specify unit numbers 15–18 or unit numbers greater than 100 .
For Abaqus/Explicit, specify units 16–18 or unit numbers greater than 100 ending in 5 to 9, e.g. 105, 268, etc. You cannot write to the.sta file.
Fortran unit numbers
| Code | Unit Number | Description |
|---|---|---|
| Abaqus/Standard | 1 | Internal database |
| 2 | Solver file | |
| 6 | Printed output (.dat) file (You can write output to this file.) | |
| 7 | Message (.msg) file (You can write output to this file.) | |
| 8 | Results (.fil) file | |
| 10 | Internal database | |
| 12 | Restart (.res) file | |
| 19–30 | Internal databases (scratch files). Unit numbers 21 and 22 are always written to disk. | |
| 73 | Text file containing meshed beam cross-section properties (.bsp) |
| Code | Unit Number | Description |
|---|---|---|
| Abaqus/Explicit | 6 | Printed output (.log) . |
| 12 | Restart (.res) file | |
| 13 | Old restart (.res) file, if applicable | |
| 15 | Analysis Preprocessor (.dat or .pre) file | |
| 23 | Communications (.023) file | |
| 60 | Global package (.pac) file | |
| 61 | Global state (.abq) file | |
| 62 | Temporary file | |
| 63 | Global selected results (.sel) file | |
| 64 | Message (.msg) file | |
| 65 | Output database (.odb) file | |
| 67 | Old package (.pac) file, if import from Abaqus/Explicit | |
| 68 | Old state (.abq) file, if import from Abaqus/Explicit | |
| 69 | Internal database; temporary file | |
| If domain-parallel | 70 | Local package (.pac.1) file for CPU #1 |
| 71 | Local state (.abq.1) file for CPU #1 | |
| 73 | Local selected results (.sel.1) file for CPU #1 | |
| 80 | Local package (.pac.2) file for CPU #2 | |
| 81 | Local state (.abq.2) file for CPU #2 | |
| 83 | Local selected results (.sel.2) file for CPU #2 | |
| ... | Add three files, incrementing units by 10, for each additional CPU |