A consistent higher-order theory is presented for static deformation and stress analysis of cross-ply thick laminates. Emphasis is placed on consistence with the 3-D boundary conditions and interlaminar stress continuity, exterior and interior, respectively, to the simply supported rectangular plate. All edges and lateral surfaces are considered stress-free, while surface traction and applied load equilibrium is maintained in the loading area. Individual layer displacement fields are expressed in terms of in-plane double Fourier series and cubic polynomials in thickness coordinates with continuity of interlaminar displacements and transverse stresses observed. A system of equations is derived with all these necessary conditions satisfied by means of the higher-order terms of the displacement fields in the extended Rayleigh-Ritz procedure. 3-D displacement and stress components, as compared well with exact solution cases available, can be found throughout the plate for 3-D analysis of localized damage. Thickness shrinking is noted with no mid-surface symmetry of stress distribution.
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September 1994
Research Papers
3-D Stress Analysis of Cross-Ply Laminated Composites
C. C. Chao,
C. C. Chao
Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan, ROC
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T. P. Tung,
T. P. Tung
Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan, ROC
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H. H. Li
H. H. Li
Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan, ROC
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C. C. Chao
Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan, ROC
T. P. Tung
Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan, ROC
H. H. Li
Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan, ROC
J. Energy Resour. Technol. Sep 1994, 116(3): 240-249 (10 pages)
Published Online: September 1, 1994
Article history
Received:
July 10, 1993
Revised:
April 14, 1994
Online:
April 16, 2008
Citation
Chao, C. C., Tung, T. P., and Li, H. H. (September 1, 1994). "3-D Stress Analysis of Cross-Ply Laminated Composites." ASME. J. Energy Resour. Technol. September 1994; 116(3): 240–249. https://doi.org/10.1115/1.2906449
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