Results 231 to 240 of about 3,860 (279)

Buckling and Failure of Flat Stiffened Panels

Journal of Aircraft, 1974
Compression panels, regardless of the local buckling of the skin, can be divided into three regions: short panels, having slenderness ratio equal to or less than 10, long panels, which are shown to fail essentially because of the long wave buckling of the skin, and panels of intermediate length in the transition region.
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Measurement of Stiffener Stresses and Effective Widths in Stiffened Panels

Journal of the Aeronautical Sciences, 1939
In the design of a stressed skin metal airplane it is essential that correct stiffener stresses and effective widths of skin acting with the stiffener be known in order to insure tha t fictitious margins of safety in wing and fuselage analyses are not shown.
HOLLEY B. DICKINSON, J. ROBERT FISCHEL
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Impact perforation of thin stiffened CFRP panels

Composite Structures, 2000
Static indentation and dropweight impact tests have been performed on thin CFRP panels stiffened with three T-blade stiffeners and comparisons made with similar tests on plain panels. The impact perforation threshold energy may be estimated from the work
M S Found, I C Howard
exaly   +1 more source

Predicting Stiffener and Stiffened Panel Crippling Stresses

Journal of the Aeronautical Sciences, 1942
An empirical method is presented for predicting the crippling stress at L/p < 20 of 24S-T Alclad bent-up sheet stiffeners, 24S-RT Alclad bent-up sheet stiffeners, and 24S-T extruded stiffeners acting alone or in conjunction with 24S-T Alclad sheet as a panel.
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Optimiation of the flat stiffened panels

Proceedings. The 8th Russian-Korean International Symposium on Science and Technology, 2004. KORUS 2004., 2005
The safety of operation of designs is now an actual problem. With this purpose at the initial stage of designing it is necessary to provide a significant amount of requirements, frequently inconsistent. For example, it is restrictions on strength, stability, resource of elements of structures, constructive-technological restrictions etc. For many types
V.N. Maksimenko, V.I. Butyrin, L.V. Pavshok   +2 more
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Buckling of Stiffened Panels

2013
This chapter presents the basic configurations of stiffened panels commonly used in ship construction. A comprehensive analysis of buckling of stiffened panels is introduced. Global and local buckling modes of deformation of stiffened panels are given. The commonly used idealizations of boundary support conditions of ship plating are clarified.
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Welding Effects on Thin Stiffened Panels

2007
The major problems due to welding effects are the residual stresses and deformations of which the levels affect more or less the resistance and lifetime of welded structure.
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Effect of sequence and stiffener shape on welding distortion of stiffened panel

Journal of Constructional Steel Research, 2018
Abstract Welding is extensively used in industries for the assembly of different products including ships, automobiles, trains, bridges etc. Welding distortion is usually a source of dimensional imprecision in assembly and higher manufacturing costs.
Saeed Shadkam, Eslam Ranjbarnodeh, Mehdi Iranmanesh   +2 more
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Comparative Study on Optimal Stiffener Placement for Curvilinearly Stiffened Panels

Journal of Aircraft, 2011
Recent studies have shown that curved stiffeners offer potential for structural tailoring of metallic panels. However, the optimal placement of the stiffener curves has remained a challenge, due to both the presence ofmultiple localminima in the design space as well as the associated CPU cost to solve the problem. This paper presents two new approaches
Manav Bhatia, Rakesh K. Kapania, Dane Evans   +2 more
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Jet noise excitation of an integrally stiffened panel

4th Fluid and Plasma Dynamics Conference, 1971
1 Shanley, F., Weight Strength Analysis of Aircraft Structures, 1st ed., McGraw-Hill, New York, 1952; 2nd ed., Dover, New York, 1960. 2 Vinson, J. R. and Shore, S., "Bibliography on Methods of Structural Optimization for Flat Sandwich Panels," NAECASL-1082, April 1965, Naval Air Engineering Center, Philadelphia, Pa. 3 Vinson, J. R.
MERVYN D. OLSON, GARRY M. LINDBERG
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