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Computational Methods For Composite StructuresSelected methods of computation for simulation of mechanical behavior of fiber/matrix composite materials described in report. For each method, report describes significance of behavior to be simulated, procedure for simulation, and representative results. Following applications discussed: effects of progressive degradation of interply layers on responses of composite structures, dynamic responses of notched and unnotched specimens, interlaminar fracture toughness, progressive fracture, thermal distortions of sandwich composite structure, and metal-matrix composite structures for use at high temperatures. Methods demonstrate effectiveness of computational simulation as applied to complex composite structures in general and aerospace-propulsion structural components in particular.
Document ID
19880000496
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Chamis, Christos C.
(NASA Lewis Research Center, Cleveland, Ohio.)
Date Acquired
August 13, 2013
Publication Date
October 1, 1988
Publication Information
Publication: NASA Tech Briefs
Volume: 12
Issue: 9
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
LEW-14640
Accession Number
88B10496
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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