NDLI: Computational simulation of structural fracture in fiber composites

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Computational simulation of structural fracture in fiber composites

Content Provider	NASA Technical Reports Server (NTRS)
Author	Chamis, Christos C. Murthy, P. L. N.
Copyright Year	1990
Description	A methodology was developed for the computational simulation of structural fracture in fiber composites. This methodology consists of step-by-step procedures for mixed-mode fracture in generic components and an integrated computer code, Composite Durability Structural Analysis (CODSTRAN). The generic types of composite structural fracture include: (1) single and combined mode fracture in beams; 2) laminate free-edge delamination fracture; and (3) laminate center flaw progressive fracture. Structural fracture is identified by rapid changes in one or all of the following: (1) displacements, (2) frequencies, (3) the buckling loads, or (4) the strain energy release rate. These rapid changes are herein assumed to denote imminent structural fracture. Based on these rapid changes, parameters are identified which can be used as guidelines for structural fracture, inspection intervals and retirement for cause.
File Size	696355
Page Count	22
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19900012505
Archival Resource Key	ark:/13960/t80k78q7m
Language	English
Publisher Date	1990-02-07
Access Restriction	Open
Subject Keyword	Composite Materials Fracture Mechanics Strain Energy Release Rate Structural Vibration Fiber Composites Durability Computerized Simulation Laminates Displacement Computer Programs Finite Element Method Delaminating Beams Supports Buckling Fracturing Failure 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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