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Research on dynamic fracture of typical structure of submarine with surface crack under impact loading
Author(s): 
Pages: 399-407
Year: Issue:  4
Journal: Journal of Ship Mechanics

Keyword:  动态应力强度因子动态断裂表面裂纹冲击载荷;
Abstract: 文章基于大型通用有限元分析软件ANSYS研究了带有初始表面裂纹的潜艇典型结构在不同下潜深度、不同爆心到船壳距离R和不同作用方位冲击载荷作用下的动态应力强度因子及其最大值与冲击因子的变化规律,然后以921A钢为例对多种工况下结构是否发生失稳断裂作出初步判断.
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