The major purpose of this thesis is to do some research work on calculation of fatigue damage of ship hull structures with combined bending stress under nonlinear wave loads.
本文的主要目的是研究非线性波浪载荷作用下多种应力成份组合的船体结构疲劳损伤计算。
For bow hard grounding, damage path will go toward the side of ship hull, and the contact between the ship and the rock will change gradually from intense impact to lateral press and slip friction.
对于船艏高能搁浅的情况，损伤路径会向船体外侧偏离，船舶与礁石之间的接触由剧烈的冲击逐渐过度到侧向挤压和滑动摩擦；
Compared with the simplified analysis method, the numerical simulation method can obtain detailed time history results of dynamics and damage deformation pictures of ship hull structure.
相比于简化解析法，数值仿真法可以得到详细的动力学时历结果以及船体结构损伤变形图。
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