Working with ANSYS compressed results files

You can import, export, and post-process compressed ANSYS .rst and rth results files. In ANSYS release 2019R2 or higher, you can use the /FCOMP, RST, SPARSE command to have the software compress the results files as they are written. The sparse compression algorithm reduces the size of the results files without losing data.

Limitations on working with compressed ANSYS results files in Pre/Post

• For beam cross section data, Pre/Post imports thickness values only.

• For modal analysis solutions, Pre/Post imports a single solution set only. For linear and nonlinear statics solutions, Pre/Post imports all solution sets.

• Only the SPARSE compression format is currently supported.

Customer default to control the compression format for ANSYS results files

You can use the Compression Method (/FCOMP) customer default to specify the default compression format for ANSYS .rst and .rth results files.

• Select (SPARSE) Sparse-based compression to use the ANSYS sparse compression scheme to compress .rst and .rth files as the solver writes them. Pre/Post writes the /FCOMP, RST, SPARSE command to the ANSYS input file.

• Select (0) No Compression if you do not want to compress the ANSYS .rst and .rth results files. Pre/Post writes the /FCOMP,RST,0 to the ANSYS input file.

Note:

This default applies when the ANSYS version is 2019R2 or higher only.

Learn more

Importing ANSYS structural and thermal elements

Mesh validity checking during import (ANSYS)

Look up more details

ANSYS file formats supported for import

ANSYS commands supported for import and export

Exporting ANSYS data

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Command reference

Pre/Post video examples

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Working with ANSYS compressed results files, Simcenter 3D 2021.1 Series

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