1、I NASA TECHNICAL NOTE NASA _ TN I D-4705 -I_I c! 1 -I -0 = -m LO:iN COPY: RETURN zE g P n AFWL (WLIL-2) Gm? z J=mn -2 - L 4 r/l 4 z “ bn ,=t - 0 h KIRTLANB AFB, N Ni dm c -_P AN EXPERIMENTAL AND ANALYTICAL VIBRATION STUDY OF THIN CYLINDRICAL SHELLS WITH AND WITHOUT LONGITUDINAL STIFFENERS by John L.
2、 Sewall and Eugene C. Naumann LangZey Research Center Ldngley Station, Hampton, Vu. NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 9 WASHINGTON, D. C. SEPTEMBER 1968 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TECH LIBRARY KAFB, NM I llllll 1111 1
3、1111 lllll IS1 IIIII lllll11ll1111 k- AN EXPERIMENTAL AND ANALYTICAL VIBRATION STUDY OF THIN CYLINDRICAL SHELLS WITH AND WITHOUT I L LONGITUDINAL STIFFENERS and Hall, David B.: Stability of Stiffened Cylinders. AIAA J., vol. 3, no. 12, Dec. 1965, pp. 2275-2286. 4. Block, David L.; Card, Michael F.;
4、and Mikulas, Martin M., Jr.: Buckling of Eccentrically Stiffened Orthotropic Cylinders. NASA TN D-2960, 1965. 5. Mikulas, Martin M., Jr.; and McElman, John A.: On Free Vibrations of Eccentrically Stiffened Cylindrical Shells and Flat Plates. NASA TN D-3010, 1965. 6. McElman, John A.: Eccentrically S
5、tiffened Shallow Shells. Ph. D. Thesis, Virginia 7. Bushnell, David: Symmetric and Nonsymmetric Buckling of Finitely Deformed Polytech. Inst., 1966. Eccentrically Stiffened Shells of Revolution. AIAA J., vol. 5, no. 8, Aug. 1967, pp. 1455-1462. 8. Egle, D. M.; and Sewall, J. L.: An Analysis of Free
6、Vibration of Orthogonally Stiffened Cylindrical Shells With Stiffeners Treated as Discrete Elements. AIAA J., vol. 6, no. 3, Mar. 1968, pp. 518-526. 9. Resnick, Barry S.; and Dugundji, John: Effects of Orthotropicity, Boundary Condi- tions, and Eccentricity on the Vibrations of Cylindrical Shells. S
7、ci. Rep. AFOSR 66-2821, U.S. Air Force, Nov. 1966. (Available from DDC as AD 648077.) 10. Fliigge, Wilhelm: Stresses in Shells. Second printing, Springer-Verlag (Berlin), 1962, pp. 304-306. 11. Baruch, M.; and Singer, J.: Effect of Eccentricity of Stiffeners on the General Instability of Stiffened C
8、ylindrical Shells Under Hydrostatic Pressure. J. Mech. Eng. Sci., vol. 5, no. 1, 1963, pp. 23-27. 12. Baruch, M.: Equilibrium and Stability Equations for Stiffened Shells. Israel J. Technol., vol. 2, no. 1, 1964, pp. 117-124. 13. Sewall, John L.; Clary, Robert R.; and Leadbetter, Sumner A.: An Exper
9、imental and Analytical Vibration Study of a Ring- Stiffened Cylindrical Shell Structure With Various Support Conditions. NASA TN D-2398, 1964. 14. Weingarten, V. I.: Free Vibrations of Ring-Stiffened Conical Shells. AIAA J., vol. 3, no. 8, Aug. 1965, pp. 1475-1481. 28 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
