THE COMPUTATION OF NONLINEAR INSTABILITY FOR MULTILAYER COMPOSITE CYLINDRICAL SHELLS

摘要/Abstract

摘要： In this paper, energy method and finite difference method are used to Compute the instability behavior ofmultilayeredfiber reinforced composite cylindrical shells under axial compression, hydrostatic pressure and torsion. The influences of initial imperfections, geometrical nonlinearities of shells and physical nonlinearities of the materials to the buckling and postbuckling behavior of the shells are considered. The effect of transverse shear is also discussed. The computational results of this paper are well agreed with the experimental data.

关键词: eigendata, perturbation, transfer matrix, sensitivity derivative

Abstract: In this paper, energy method and finite difference method are used to Compute the instability behavior ofmultilayeredfiber reinforced composite cylindrical shells under axial compression, hydrostatic pressure and torsion. The influences of initial imperfections, geometrical nonlinearities of shells and physical nonlinearities of the materials to the buckling and postbuckling behavior of the shells are considered. The effect of transverse shear is also discussed. The computational results of this paper are well agreed with the experimental data.

Key words: eigendata, perturbation, transfer matrix, sensitivity derivative

周承倜;周建平. THE COMPUTATION OF NONLINEAR INSTABILITY FOR MULTILAYER COMPOSITE CYLINDRICAL SHELLS[J]. Applied Mathematics and Mechanics (English Edition), 1986, 7(1): 17-24.

Zhou Cheng-ti;Zhou Chien-bin. THE COMPUTATION OF NONLINEAR INSTABILITY FOR MULTILAYER COMPOSITE CYLINDRICAL SHELLS[J]. Applied Mathematics and Mechanics (English Edition), 1986, 7(1): 17-24.

参考文献

[1] Zhou Cheng-ti,Elasticity of Composite Material,Lecture of Applied Mathematics and Mechanics,Nov.(1983).(in Chinese).
[2] Zhou Cheng-ti,Theory of stability of Elasto-Plastic Thin Shells,National Defence Publishing Company,PRC.(1979).(in Chinese).
[3] Zhou Cheng-ti,Theory of Elastic Stability,Sichuan People Publishing Company,(1981).(in Chinese).
[4] Khot,N.S.and V.B.Venkaya,Effect of fiber orientation on initial postbuckling behavior and imperfection sensitivity of composite cylindrical shells,AFFDL-TR-70-125(1970).
[5] Khot,N.S,Buckling and postbuckling behavior of composite cylindrical shells under axial pressure,AIAA Journal,8,2(1970),229-235.
[6] Khot,N.S,Postbuckling behavior of geometrical imperfection of composite cylindrical shells under axial compression,AIAA Journal, 8,3(1970),579-581.
[7] Tennyson,R.C,Buckling of laminated composite cylinders:a review,Composites,Jan.(1975).
[8] Hahn,H.T.,Nonlinear behavior of laminated composites,Journal of Composite Materials,Apr.(1973),257-271.
[9] Jones,R.M.,Mechanics of Composite Materials,McGraw-Hill Book Company(1975).
[10] Zhou Cheng-ti,Theory of plastic stability of stiffened thin shells with initial imperfections,ACTA MECHANICA SINICA,special issue(1981),162-171.
[11] Zhou Cheng-ti and Zhou Chien-bin,An analysis of nonlinear instability for composite cylindrical shells,National Conference of Mechanics of Composite Materials,Shanghai,PRC.,Apr.(1984).
[12] Hahn,H.T.and Tsai S.Nonlinear elastic behavior of unidirectional composite laminates,Journal of Composite Materials,Jan.(1973),102-118.
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