A Simplified Method to Analyse the Strength of Double Hulled Structures in Collision : 3rd Report

概要

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The effects of various design parameters on the strength of double hulled structures in collision were examined. At first, the scantlings and the strength characteristics of double hulls were investigated, which included double sides and double bottoms. Static destruction tests were carried out using a series of double hulled models which covered a wide strength distribution range. The validity of the simplified method to analyse the strength of double hulled structures in collision which was presented in the previous paper was confirmed by comparing the calculated results and the experimental results. Finally, choosing a double hulled ship of 100.000 tons displacement as a standard type ship, parametric calculations were done using this method, where the side shell thickness, the transverse web thickness and the double hull breadth were taken as design parameters. It was found that the most effective method to increase the energy absorption capacity is to increase the transverse web thickness.
社団法人日本船舶海洋工学会の論文