An updated design formula for predicting the compressive strength of plate : elastic buckling and ultimate compressive strength

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Kim, Do Kyun and Yang, Hee Yeong and Li, Shen and Kim, Seungjun (2025) An updated design formula for predicting the compressive strength of plate : elastic buckling and ultimate compressive strength. Journal of Marine Science and Engineering, 13 (1). 113. ISSN 2077-1312 (https://doi.org/10.3390/jmse13010113)

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Abstract

In the present study, a simplified and useful design formula is proposed to predict the ultimate strength of a plate under longitudinal compression. The shape of the elastic buckling strength () equation is utilised and adjusted to predict the ultimate compressive strength of the plate. In total, 600 cases of reasonable plate scenarios are selected to update the design formula by broadly considering the plate geometry (i.e., plate length, breadth, and thickness), material property (i.e., elastic modulus and yield strength), and initial deflection. The proposed formula, including the factor or coefficient for correction () may help ocean and shore (including onshore, offshore and nearshore) structural engineers improve safety and design the unstiffened plate element used in shipbuilding and oil and gas.

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