Oasys Software Suite Downloads

Current Software Versions:

Oasys Suite 12.1 - Release date: 22/05/15

This is the latest full release of the Oasys Suite (PRIMER, D3PLOT, T/HIS, REPORTER & SHELL). 12.1 is primarily a bug fix release of 12.0. There are a small number of minor enhancements, which are detailed in the release notes, and the new features PDF documents below.

Version 12 new features are summarised here and explained fully in the PDF documents below. Release notes detailing the changes between 11, 12.0 and 12.1 can be found here.

To jump to a required section, click on the appropriate following link:

New Features Downloads Documentation Installation Licensing

The 12.0 software requires a new licensing file if updating from 9.4 or previous, but NOT if updating from 10.x/11.x. For more information see the licensing section below.

Version 12 New Features

New features added to the version 12.0/12.1 release are explained fully in the following PDF documents:


12.1 Installation Package Downloads

Note FLEXlm column - Files required to set up a FLEXlm license server for the Oasys software. Packages for UNIX license servers can be found in the licensing section.

  Oasys 12.1 Suite FLEXlm Installation Guide
64 bit
64 bit
32bit versions of the installation packages can be downloaded from here.


Full release notes detailing enhancements and bugs fixed in v12.1 can be found here.

The Windows downloads are provided as single zipped install package. For installation instructions see below.

The LINUX downloads are provided as single gzipped TAR file. For installation instructions see below.


The Oasys 12.1 suite for Windows is suitable for and has been tested on Windows Vista, 7 and 8/8.1. 

It will not run on Windows XP.  (Microsoft withdrew support for XP in April 2014 and we can no longer support it.)


The Oasys 12.1 suite has been built and tested on the following versions of Linux:

Red Hat Enterprise Linux (RHEL) 4, 5 and 6
SUSE Enterprise 11.

The standard Linux download is the RHEL 5 build since that has been found to run on all the modern Linux installations we have tested. If you require one of the other builds please contact Oasys Ltd.


All of the 12.1 versions have passed QA testing and include updated manuals.

All of the Oasys Software requires a valid FLEXlm license file to run. For details on how obtain a license file see below.

This software uses code of FFmpeg licensed under the LGPLv2.1 and its source can be downloaded here.


Individual software PDF manuals, and complete manual packages can be downloaded from our documentation page. Note that each platform installation packages above contains manuals, release notes and the installation guide.

Oasys Tutorials & Workshops

Oasys tutorials & workshops can be downloaded from here

Windows Installation

To install the Windows versions unzip the download file and then run the Setup package (Administrator privileges may be required).

For further installation information, see the windows installation guide.

LINUX Installation

To install the Oasys Software on LINUX machines

  1. Download the file you require.
  2. Unzip the file and untar the file.
  3. If necessary, chmod 700 on setup.csh.
  4. Run ./setup.csh to start the installation.

For further installation information, see the linux installation guide.


The version 12.1 software has been compiled using version 11.11.0 of FLEXlm ( the same as the version 11.x/12.0 releases) .

Licence files and licence daemons for versions 11.x and 12.x are backwards compatible with both the 10.x and 9.x software releases. This means that any existing 10.x and 9.x software will continue to work with the new licence files and servers.


  • On Windows the version of “lmgrd.exe” that is installed with the version 12 software has been changed to 11.11.1.  Version 11.11.1 is supported on Windows Server 2012 while the 11.11.0 release shipped with the version 11 software isn’t.
  • We recommend that you update all of your Oasys Ltd LS-DYNA environment license servers with the files shipped with the version 12.1 software.

For UNIX based licence servers (HP-UX, SUN) please contact Oasys Ltd.

32 bit packages

Please read before downloading 32 bit executables.

The Oasys 12.1 software suite is provided as both 64 bit and 32 bit executables.  The 64 bit executables will only run on 64 bit hardware, but 32 bit executables will run on both 32 bit and 64 bit hardware.  Both provide exactly the same functionality except that because of the limitations of the 32 bit address space:

  • 32 bit executables are limited to using 4 GBytes of memory, even if your machine has more memory installed.
  • 64 bit executables will exploit all the memory on the machine.

This means that the 32 bit executables are likely to run out of memory when processing large models.

You should download and use the 64 bit executables unless:

  • Your hardware is 32 bit.
  • Your hardware is 64 bit but it only has 4 GBytes or less memory installed.

If you need more advice about this please contact Oasys Ltd for help.

  Oasys 12.1 Suite FLEXlm Installation Guide
32 bit
32 bit


Past releases of Oasys Software Suite

If you require any other past releases of the Oasys Software Suite please contact Oasys Ltd on 0121 213 3399 or

Advice for users generating graphics on Linux machines without local displays, typically clusters

Where batch graphical post-processing is performed on remote clusters we have observed problems when the standard OpenGL graphical libraries are used, giving images of inferior quality.  We have also observed problems when interactive graphics are generated remotely and displayed locally on the desktop through a network, as this can give unacceptably slow graphical performance.

Better results can sometimes be obtained in these situations from executables linked with the MESA emulation library, since this removes any dependence upon OpenGL and – in the remote display case – reduces network traffic.  If you wish to have executables linked in this way, or would like further advice, please contact us.