CDH/OPTRAN V5.4

Dear Optran user,

 We are pleased to inform you that CDH/Optran release version 5.4 is now available. The latest CDH/Optran release version offers the following enhancements and corrections:

 Enhancements/Features

  • Added support for MSC/Nastran 2022.1, 2022.2, 2022.3, 2022.4
  • Optimized the handling of residual vectors for viscous damping elements
  • Support for Nastran parameter PARAM, MAXDAMP, N (N=1000 is the default)
  • Support output of structure MSHAPE in csv format in two different coordinate systems
  • Improved performance of AMLSF output DOFs
  • Performance improvement for MSHAPE and MSHAPEF with gridset
  • Performance improvements for MSHAPE and OPSHAPE energies
  • More efficient parameters output for CDH/FastFRS in case of X2PP in model
  • New Ranking Methods for Modal Participation Factors: mag, proj, projabs
  • New exit code in OPTRAN scripts
  • Added CDH_assign check

Bug fixes

  • Element force output missing
  • In case of GPPF with ROA=NO and multiple fluid cavities, an error in answers was fixed
  • In case of GPPF with ROA=YES and MPCs on the fluid boundary, an error in aswers was fixed
  • In case of B2PP incorrect answers with fastfrs=no were fixed
  • In case of frequency dependent CBUSH with "B", errors in calculations were fixed

CAUTION: End of support warnings

  • Only the latest sub-version of older Nastran releases will be supported by OPTRAN.
  • This is the last Optran release that officially supports MSC- Nastran 2017, 2018, 2019.

Supported Nastran Versions

MSC.Nastran Version 2017.1.2 (i8), 2018, 2018.1, 2018.2, 2019.0, 2019.1, 2020, 2020.1, 2021.1, 2021.2, 2021.3, 2021.4, 2022.1, 2022.2, 2022.3, 2022.4

 Supported CDH Software

CDH/AMLS Version 5.2 r086 - 5.2.r188

CDH/FastFRS Version 2.2 r086 - 2.2r188

Anita Claus

Ansprechpartner

Anita Claus//
Javascript needed!
·
+49-841-97481-29

Aktuelles

13.06.2024 Praxiskonferenz Fußgängerschutz 2024

Praxiskonferenz Fußgängerschutz vom 3. bis 4. Juli 2024 in Bergisch Gladbach, Deutschland

16.05.2024 GNS Generator4 V1.9.1

GNS Generator4 V1.9.1 steht zum Download zur Verfügung.

10.05.2024 THUMS vs THOR

Simulation des Submarining Risiko in Reclined Seating Positions

24.04.2024 TISAX-Label 2024

Verlängerung TISAX-Label um weitere zwei Jahre