CUTOUT REINFORCEMENT OF STIFFENED CYLINDRICAL-SHELLS

被引：12

作者：

CERVANTES, JA

PALAZOTTO, AN

机构：

[1] Wright-Patterson Air Force Base, Dayton, OH

[2] Astronautics and Aeronautics Department, AFIT School of Engineering

来源：

JOURNAL OF AIRCRAFT | 1979年 / 16卷 / 03期

关键词：

D O I：

10.2514/3.58505

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

A study was carried out to determine the optimum placement and volume of a reinforcing frame around acutout in an axially loaded stringer and ring and stringer stiffened cylindrical shell. The problem was analyzedusing the linear bifurcation portion of STAGS (Structural Analysis of General Shells). Four parameters werevaried; stringers vs rings and stringers, cutout size, ratio of frame volume to cutout volume, and frame position.It appeared that the frame's position next to the cutout edge was the most effective, which is simply a confirmationof a well-known fact concerning reinforcement of shell cutouts. However, there was a relativemaximum in the frame distance vs critical load curves for a frame positioned away from the cutout edge at a lowratio of frame to cutout volume. © 1978 American Institute of Aeronautics and Astronautics, Inc. All rights reserved.

引用

页码：203 / 208

页数：6

共 5 条

[1]

Starnes J.H., The Effect of a Circular Hole on the Buckling of Cylindrical Shells, Ph.D Thesis, (1970)

[2]

Singer J., Buckling of Integrally Stiffened Cylindrical Shells—a Review of Experiment and Theory, Contributions to the Theory of Aircraft Structures, pp. 325-358, (1972)

[3]

Palazotto A.N., Bifurcation and Collapse Analysis of Stringer and Ring Stringer Stiffened Cylindrical Shells with Cutouts, Computers and Structures, 7, pp. 47-58, (1977)

[4]

Almroth B.O., Brogan F.A., Zele F., Users Manual for the STAGS-A Computer Code,”, Collapse Analysis for Shells of General Shape, 2, (1973)

[5]

Timoshenko S.P., Goodier J.N., Theory of Elasticity, (1970)

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