舰船主船体水线以下部分武器命中后结构的应力分析

The Stress Analysis of Warship Structure Damaged Under the Waterline by Weapons

采用符拉索夫计算法计算武器命中后的舰船浮态和外载荷的变化。以薄壁梁理论为基础 ,用迁移矩阵法计算武器命中后的舰船的内力 ,并以某舰船为计算模型进行了数值计算分析 ,找出正应力和剪应力随不同破口部位及尺寸的变化规律 ,从而为舰船破损后的剩余强度研究提供依据。

In this paper,the varietion of floating parameters and external loading of warship damaged by weapons is calculated using Vlasov's calculation method,the stresses of damaged warship hull structure under the waterline are calculated using transfer matrix method based on the thin-wall beam theory.The analysis of numericl computation results for a warship indicates the regularity of the normal stresses and shear stresses varying with the damaged positions and dimensions,which provides a basis for investigation of residual strength of damaged warship.