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Dynamic fracture mechanics analysis for an edge delamination crackA global/local analysis is applied to the problem of a panel with an edge delamination crack subject to an impulse loading to ascertain the dynamic J integral. The approach uses the spectral element method to obtain the global dynamic response and local resultants to obtain the J integral. The variation of J integral along the crack front is shown. The crack behavior is mixed mode (Mode 2 and Mode 3), but is dominated by the Mode 2 behavior.
Document ID
19940025352
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Rizzi, Stephen A. (NASA Langley Research Center Hampton, VA, United States)
Doyle, James F. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 6, 2013
Publication Date
April 1, 1994
Subject Category
Acoustics
Report/Patent Number
NAS 1.15:109106
NASA-TM-109106
Meeting Information
Meeting: International Conference on Recent Advances in Structural Dynamics
Location: Southampton
Country: United Kingdom
Start Date: July 18, 1994
End Date: July 21, 1994
Accession Number
94N29856
Funding Number(s)
PROJECT: RTOP 505-63-50-10
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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