Reliability analysis of mid-plane symmetric laminated plates using direct simulation method

Jeong, H.K. and Shenoi, R.A. (1998) Reliability analysis of mid-plane symmetric laminated plates using direct simulation method. Composite Structures, 43 (1), 1-13. (doi:10.1016/S0263-8223(98)00085-3).

Abstract

Direct simulation method is used to perform the reliability analysis of mid-plane symmetric laminated plates. Applied uniform lateral pressure loads, material properties, geometric and ultimate strength values of the plates are treated as basic variables, and they are randomly generated in accordance with the corresponding probability distributions using statistical sampling techniques. Generated random values of the basic variables corresponding to the uniform lateral pressure loads, material properties and geometric values of the plates are used in a linear, elastic approach to assess the strength of the plates subjected to uniform pressure loads with both clamped and simply-supported edges. The limit state equations of the plates are developed by using anisotropic plate failure criteria such as maximum stress and Tsai-Hill. Calculated plate strengths and generated random values of the basic variables corresponding to the ultimate strength values of the plates are substituted into the limit state equations to define the failure or survival state of the plates under the given boundary and external loading conditions. Finally, statistical analysis of the results from the limit state equations is performed to estimate the probability of failure of the plates.

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