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Publications
Yang, B., Wang, D-Y. and Guedes Soares, C. (2018), “Dynamic ultimate strength of outer bottom stiffened plates under in-plane compression and lateral pressure”, Ocean Engineering, Vol. 157, pp. 44-53
An investigation in conducted on the dynamic ultimate strength of ship bottom stiffened plates under uniaxial compression and lateral pressure. The nonlinear finite element method is adopted, considering both material and geometric non-linearities. The dynamic ultimate strength of a tested specimen is calculated based on the nonlinear finite element method, and the comparison with test results shows the applicability of the present numerical method. The static ultimate strength of stiffened plate structures obtained with the numerical method is compared with an empirical formulation and the error is within the allowable range. Then, the influence of modes and magnitudes of initial imperfections, boundary conditions, lateral pressure, strain rate and structural dimensions, on the dynamic ultimate strength are discussed.
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