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A survey of NASTRAN improvements since level 15.5Several improvements and capabilities were developed and installed in intermediate levels and are being analyzed and evaluated. A survey of current improvements to the program is presented which includes static analysis with differential stiffness rigid format, normal modes with differential stiffness rigid format, the TRIAAX and TRAPAX elements, the CNGRNT feature, fully stressed design, element strain energy and grid point force balance, and complex modal displacement plots.
Document ID
19750023414
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Mcdonough, J. R. (Computer Sciences Corp. Silver Spring, MD, United States)
Date Acquired
August 8, 2013
Publication Date
September 1, 1975
Publication Information
Publication: NASA. Langley Res. Center NASTRAN: Users' Experiences
Subject Category
Structural Mechanics
Accession Number
75N31487
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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