NDLI: Generic element processor (application to nonlinear analysis)

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Generic element processor (application to nonlinear analysis)

Content Provider	NASA Technical Reports Server (NTRS)
Author	Stanley, Gary
Copyright Year	1989
Description	The focus here is on one aspect of the Computational Structural Mechanics (CSM) Testbed: finite element technology. The approach involves a Generic Element Processor: a command-driven, database-oriented software shell that facilitates introduction of new elements into the testbed. This shell features an element-independent corotational capability that upgrades linear elements to geometrically nonlinear analysis, and corrects the rigid-body errors that plague many contemporary plate and shell elements. Specific elements that have been implemented in the Testbed via this mechanism include the Assumed Natural-Coordinate Strain (ANS) shell elements, developed with Professor K. C. Park (University of Colorado, Boulder), a new class of curved hybrid shell elements, developed by Dr. David Kang of LPARL (formerly a student of Professor T. Pian), other shell and solid hybrid elements developed by NASA personnel, and recently a repackaged version of the workhorse shell element used in the traditional STAGS nonlinear shell analysis code. The presentation covers: (1) user and developer interfaces to the generic element processor, (2) an explanation of the built-in corotational option, (3) a description of some of the shell-elements currently implemented, and (4) application to sample nonlinear shell postbuckling problems.
File Size	2209907
Page Count	81
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19890020424
Archival Resource Key	ark:/13960/t84j5d83n
Language	English
Publisher Date	1989-02-01
Access Restriction	Open
Subject Keyword	Structural Mechanics Finite Element Method Errors Plates Structural Members Corotation Nonlinearity Shells Structural Forms Computerized Simulation Error Correcting Codes Buckling Computer Programs Software Engineering Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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