Intelligent Research for Crack with ANSYS

摘要：

Steel trusses are often used in the railway bridges. It is known that fatigue cracks may occour in the welded joints under the long-term dynamic loading. If the cracks are not detected and repaired in time, which may endanger the safety of bridges. This paper prensents the detailed procedures of modeling a three dimensiona straight through crack in the joint of a steel truss bridge with ANSYS solid modeling method. The method adopted the idea of breaking up the whole into parts. Based on this method, the stress intensity factors are calculated. The results show that the intelligent modeling method is efficient and has a high precision for the stress intensity factor, which can be used to predict the fatigue life of the bridge.

关键词： Intelligent modeling method crack ANSYS stress intensity factor

作者: Liu Jia He Zhongshan

作者单位: Hubei Key Laboratory of Roadway Bridge&Structure Engineering, Wuhan University of Technology Wuhan,C Hubei Key Laboratory of Roadway Bridge&Structure Engineering,Wuhan University of Technology Wuhan,Ch

会议类型: 国际会议

会议名称: 2010 4th International Conference on Intelligent Information Techonlogy Application(第四届智能信息技术应用国际学术研讨会 IITA 2010)

会议地点: 秦皇岛

会议语种:英文

页码: 339-341

在线出版日期: 2010-11-05（万方平台首次上网日期，不代表论文的发表时间）