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Double Linear Damage Rule for Fatigue AnalysisDouble Linear Damage Rule (DLDR) method for use by structural designers to determine fatigue-crack-initiation life when structure subjected to unsteady, variable-amplitude cyclic loadings. Method calculates in advance of service how many loading cycles imposed on structural component before macroscopic crack initiates. Approach eventually used in design of high performance systems and incorporated into design handbooks and codes.
Document ID
19840000103
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Halford, G.
(Case Western Reserve University)
Manson, S.
Date Acquired
August 12, 2013
Publication Date
February 1, 1985
Publication Information
Publication: NASA Tech Briefs
Volume: 8
Issue: 3
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
LEW-14058
Accession Number
84B10103
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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