NDLI: Development of a realistic stress analysis for fatigue analysis of notched composite laminates

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Development of a realistic stress analysis for fatigue analysis of notched composite laminates

Content Provider	NASA Technical Reports Server (NTRS)
Author	Humphreys, E. A. Rosen, B. W.
Copyright Year	1979
Description	A finite element stress analysis which consists of a membrane and interlaminar shear spring analysis was developed. This approach was utilized in order to model physically realistic failure mechanisms while maintaining a high degree of computational economy. The accuracy of the stress analysis predictions is verified through comparisons with other solutions to the composite laminate edge effect problem. The stress analysis model was incorporated into an existing fatigue analysis methodology and the entire procedure computerized. A fatigue analysis is performed upon a square laminated composite plate with a circular central hole. A complete description and users guide for the computer code FLAC (Fatigue of Laminated Composites) is included as an appendix.
File Size	2607264
Page Count	100
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19800002899
Archival Resource Key	ark:/13960/t2w42jx84
Language	English
Publisher Date	1979-05-01
Access Restriction	Open
Subject Keyword	Composite Materials Fatigue Tests Finite Element Method Stress Analysis Fracture Mechanics Plates Structural Members Membrane Structures Notch Tests Laminates Computer Programs Structural Analysis Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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