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Exact analytic solutions to the problem on plane buckling modes of rectangular orthotropic plates with free edges under biaxial loading

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Abstract

A two-dimensional linearized problem on plane buckling modes (BMs) of a rectangular plate with free edges, made of an elastic orthotropic material, underbiaxial tension-compression is considered. With the use of double trigonometric basis functions, displacement functions exactly satisfying all static boundary condition on plate edges are constructed. It is shown that the exact analytic solutions found describe only the pure shear BMs, and if the normal stress in one direction is assumed equal to zero, an analog of the solution given by the kinematic Timoshenko model can be obtained. Upon performing the limit passage to the zero harmonic in the displacement functions of one of the directions, the solution to the problem of biaxial compression can be obtained by equating the Poisson ratio to zero; in the case of uniaxial compression, this solution exactly agrees with that following from the classical Bernoulli-Euler model.

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References

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Authors and Affiliations

  1. Center for Study of Dynamics and Stability, Tupolev Kazan State Technical University, Tatarstan, Russia

    V. N. Paimushin & T. V. Polyakova

Authors
  1. V. N. Paimushin
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  2. T. V. Polyakova
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Translated from Mekhanika Kompozitnykh Materialov, Vol. 43, No. 2, pp. 149–170, March–April, 2007.

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Paimushin, V.N., Polyakova, T.V. Exact analytic solutions to the problem on plane buckling modes of rectangular orthotropic plates with free edges under biaxial loading. Mech Compos Mater 43, 97–112 (2007). https://doi.org/10.1007/s11029-007-0011-5

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  • DOI: https://doi.org/10.1007/s11029-007-0011-5

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