船体是一个由加筋板格组成的箱形结构，加筋板格的强度计算对于船体结构的极限强度分析极为重要。
A ship's hull is a box girder structure composed of stiffened panels and therefore, strength of stiffened panels plays a significant role for the ultimate strength analysis of ship structures.
甲板、船底板、舷侧板和加强筋所构成的加筋板的屈曲和塑性破坏通常容易导致船体梁的总体失效。
Buckling and plastic collapse of the stiffened panels which is composed of the deck, bottom plating and side shell easily causes the overall failure of a ship hull girder.
船体结构是由板和梁组合而成的，因此计算板和加筋板的附加水质量具有重要的理论意义和实用价值。
Calculation on plate and stiffened plate by using added mass method has great theoretical significance and practical value.
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