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Thermo-elastic stability behavior of laminated cross-ply elliptical shells

Patel, B.P.    (Indian Institute of Technology Delhi   ); Shukla, K.K.    (Motilal Nehru National Institute of Technology   ); Nath, Y.    (Indian Institute of Technology Delhi  );
  • 초록

    In this work, thermo-elastic stability behavior of laminated cross-ply elliptical cylindrical shells subjected to uniform temperature rise is studied employing the finite element approach based on higher-order theory that accounts for the transverse shear and transverse normal deformations, and nonlinear in-plane displacement approximations through the thickness with slope discontinuity at the layer interfaces. The combined influence of higher-order shear deformation, shell geometry and non-circularity on the prebuckling thermal stress distribution and critical temperature parameter of laminated elliptical cylindrical shells is examined.


  • 주제어

    laminated shell .   cross-ply .   thermal buckling .   critical temperature .   non-circular .   higher-order .   finite element .   elliptical cross-section.  

  • 참고문헌 (12)

    1. Soldatos, K.P. (1999), 'Mechanics of cylindrical shells with non-circular cross-section: A survey', Appl. Mech. Rev., 52, 237-274 
    2. Birman, V. and Bert, C.W. (1993), 'Buckling and post-buckling of composite plates and shells subjected to elevated temperature', J. Appl. Mech., ASME, 60, 514-519 
    3. Culberson, L.D. and Boyd, D.E. (1971), 'Free vibrations of freely supported oval cylinders', American Institute of Aeronautics and Astronautics J., 9, 1474-1480 
    4. Patel, B.P., Shukla, K.K. and Nath, Y. (2004), 'Thermal buckling of laminated cross-ply oval cylindrical shells', Compos. Struct., 65, 217-229 
    5. Shen, H.-S. (1997a), 'Thermal postbuckling analysis of imperfect stiffened laminated cylindrical shells', Int. J. Nonlinear Mech., 32, 259-275 
    6. Shen, H.-S. (1998), 'Postbuckling analysis of imperfect stiffened laminated cylindrical shells under combined external pressure and thermal loading', Int. J. Mech. Sci., 40, 339-355 
    7. Shen, H.-S. (2002), 'Thermal postbuckling analysis of laminated cylindrical shells with piezoelectric actuators', Compos. Struct., 55, 13-22 
    8. Thangartnam, R.K., Palaninathan, R. and Ramachandran, J. (1989), 'Buckling of composite cylindrical shells', Journal of the Aeronautical Society of India, 41(1), 47-54 
    9. Thangartnam, R.K., Palaninathan, R. and Ramachandran, J. (1990), 'Thermal buckling of lamianted composite shells', American Institute of Aeronautics and Astronautics J., 28(5), 859-860 
    10. Thornton, E. (1993), 'Thermal buckling of plates and shells', Appl. Mech. Rev., 46(10), 485-506 
    11. Ganesan, N. and Kadoli, R. (2003), 'Buckling and dynamic analysis of piezothermoelastic composite cylindrical shells', Compos. Struct., 59(1), 45-60 
    12. Shen, H.-S. (1997b), 'Thermomechanical postbuckling analysis of stiffned laminated cylindrical shell', J. Engg. Mech., ASCE, 123, 433-443 

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