CDH/AMLS and FastFRS new release

Dear AMLS/FastFRS user,


We are pleased to inform you that CDH/AMLS version 5.2 and CDH/FastFRS 2.2 (rev. 192) is now available. The latest CDH/AMLS and CDH/FastFRS release version offer following enhancements and corrections:


CDH/AMLS - Enhancements version 5.2.r192 compared to 5.2.r188

  • DDB: added support for MSC-Nastran 2023.1 and 2023.2
  • DDB: added support for SimCenter/NX-Nastran 2206.1, 2212 and 2306
  • DDB: bug fix of RESVEC handling in SPCD enforced motion loads for NX-Nastran
  • EXE: minor enhancements


CDH/FastFRS - Enhancements version 2.2.r192 compared to 2.2.r188:

EXE: updated control scripts to ensure appropriate handling of

  • EXE: updated control scripts to ensure appropriate handling of environmental variables such as MKL_NUM_THREADS or MKL_DYNAMIC for obtaining optimal performance


Supported Nastran Versions

 MSC: 2018.2, 2019.1, 2020.1, 2021.4, 2022.1, 2022.2, 2022.3, 2022.4, 2023.1, 2023.2

NX/SC: 12.0, 2020.1, 2020.2, 2021.1, 2021.2, 2022.1, 2206.1, 2212, 2306


CAUTION: End of support warnings

  • Starting from AMLS 5.2 the Flexlm daemon v11.16 and an AMLS version 5.2 specific license file are required. The updated daemon and license file are backward compatible with legacy AMLS 5.1 versions. Please see installation manual for detailed instructions.
  • This is the last AMLS release that officially supports the RHEL/CentOS 6.x operating system by default.
  • This is the last AMLS delivery database release that officially supports MSC-Nastran 2018, 2019 and SimCenter/NX-Nastran 12, 2020.1, 2021.1 by default.
  • In future releases only the latest sub-version of older Nastran releases will be supported by AMLS. For example for MSC 2021.0 - 2021.4, only latest sub-version MSC 2021.4 will officially be supported. Similarly, for NX-Nastran, 2021.2 will officially supported. Please upgrade to Nastran versions accordingly.


Download Link:

Please contact us to receive the password.


For further technical details, please refer to attached release note document.

If you have any questions or need assistance, please contact


Anita Claus

Contact person

Anita Claus//
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