NDLI: Residual Strength Pressure Tests and Nonlinear Analyses of Stringer- and Frame-Stiffened Aluminum Fuselage Panels with Longitudinal Cracks (1998)

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Residual Strength Pressure Tests and Nonlinear Analyses of Stringer- and Frame-Stiffened Aluminum Fuselage Panels with Longitudinal Cracks (1998)

Content Provider	CiteSeerX
Author	Rouse, Marshall Starnes, James H. Ambur, Damodar R. Young, Richard D.
Description	Second Joint NASA/FAA/DoD Conference on Aging Aircraft
Abstract	The results of residual strength pressure tests and nonlinear analyses of stringer- and frame-stiffened aluminum fuselage panels with longitudinal cracks are presented. Two types of damage are considered: a longitudinal crack located midway between stringers, and a longitudinal crack adjacent to a stringer and along a row of fasteners in a lap joint that has multiple-site damage (MSD). In both cases, the longitudinal crack is centered on a severed frame. The panels are subjected to internal pressure plus axial tension loads. The axial tension loads are equivalent to a bulkhead pressure load. Nonlinear elastic-plastic residual strength analyses of the fuselage panels are conducted using a finite element program and the crack-tip-opening-angle (CTOA) fracture criterion. Predicted crack growth and residual strength results from nonlinear analyses of the stiffened fuselage panels are compared with experimental measurements and observations. Both the test and analysis results indicate that the presence of MSD affects crack growth stability and reduces the residual strength of stiffened fuselage shells with long cracks. 1.
File Format	PDF
Publisher Date	1998-01-01
Access Restriction	Open
Subject Keyword	Fracture Criterion Severed Frame Longitudinal Crack Bulkhead Pressure Load Frame-stiffened Aluminum Fuselage Panel Multiple-site Damage Stiffened Fuselage Panel Crack Growth Axial Tension Load Longitudinal Crack Adjacent Long Crack Nonlinear Analysis Stiffened Fuselage Shell Fuselage Panel Nonlinear Elastic-plastic Residual Strength Analysis Crack Growth Stability Residual Strength Residual Strength Pressure Test Finite Element Program Internal Pressure Lap Joint Residual Strength Result
Content Type	Text
Resource Type	Conference Proceedings

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