Dear OPTRAN user,

• Fixed: CSV output for SDISP contains incorrect frequency steps if multiple subcases with distinct frequency vectors are present
• Fixed: Optran 5.5 request file is unable to support ‘include’ for ERP related request 
• Fixed: Memory fault in case of MAT10F frequency dependent fluid elements
• Fixed: For certain models containing B2PP matrix input, Optran 5.5 fails to select the most efficient solution strategy for FastFRS errors in certain post-processors

2. Supported Nastran versions and CDH Software:

MSC.Nastran
MSC.Nastran Version 2018.2, 2019.0, 2020.1, 2021.4, 2022.4, 2023.4

CDH Software
CDH/AMLS Version 5.2 r086 - 5.2.r192
CDH/FastFRS Version 2.2 r086 - 2.2.r192

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https://cloud.cdh-ag.com/index.php/s/zyzGZg8rkpjsB7f

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