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Snap-Through Instability Patterns in Truss StructuresGeometrically nonlinear truss structures with snap-through behavior are demonstrated by using an arc length approach within a finite element analysis. The instability patterns are equilibrium paths that are plotted throughout the snap-through event. Careful observation of these patterns helps to identify weak designs in large space structures, as well as identify desirable snap-through behavior in the miniaturization of electronic devices known as microelectromechanical systems (MEMS). Examples of highly nonlinear trusses that show snap-through behavior are examined by tracing their equilibrium paths.
Document ID
Document Type
Conference Paper
Hrinda, Glenn A. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 24, 2013
Publication Date
April 12, 2010
Subject Category
Structural Mechanics
Report/Patent Number
AIAA Paper 2010-2611
Meeting Information
51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference(Orlando, FL)
Funding Number(s)
WBS: WBS 599489.
Distribution Limits
Work of the US Gov. Public Use Permitted.

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