NDLI: Progressive fracture of composite structures (Document No: 20080018612)

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Progressive fracture of composite structures (Document No: 20080018612)

Content Provider	NASA Technical Reports Server (NTRS)
Author	Chamis, Christos C. Minnetyan, Levon
Copyright Year	2008
Description	A new approach is described for evaluating fracture in composite structures. This approach is independent of classical fracture mechanics parameters like fracture toughness. It relies on computational simulation and is programmed in a stand-alone integrated computer code. It is multiscale, multifunctional because it includes composite mechanics for the composite behavior and finite element analysis for predicting the structural response. It contains seven modules; layered composite mechanics (micro, macro, laminate), finite element, updating scheme, local fracture, global fracture, stress based failure modes, and fracture progression. The computer code is called CODSTRAN (Composite Durability Structural ANalysis). It is used in the present paper to evaluate the global fracture of four composite shell problems and one composite built-up structure. Results show that the composite shells and the built-up composite structure global fracture are enhanced when internal pressure is combined with shear loads.
File Size	5774935
Page Count	11
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20080018612
Archival Resource Key	ark:/13960/t2v45q20z
Language	English
Publisher Date	2008-04-07
Access Restriction	Open
Subject Keyword	Structural Mechanics Simulation Classical Mechanics Predictions Failure Modes Shells Structural Forms Fracture Strength Laminates Composite Structures Computer Programs Loads Forces 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	Article

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