RELIABILITY ANALYSIS OF THE STOCHASTIC STRUCTURAL SYSTEM FOR STATIC STRENGTH AND STIFFNESS BASED ON THE CUMULATIVE DAMAGE

摘要：

Based on the understanding of passive impact of cumulative damage induced by fatigue load on ultimate static strength and stiffness of structural system, the paper gives expression of residual static strength and stiffness by the form of cumulative damage and analyzes its digital character. A numerical example is indicated that the fatigue reliability index of structural system can fulfils the demand of fatigue reliability in the design life, but the static strength and stiffness reliability index of structural system descends with the increase of the service life, and the static strength or stiffness reliability index not fulfils the demand of the design when the service life over some numbers. Thus, the structural system reliability of static strength and stiffness analyzed considering the cumulative damage is essential.

作者: ZHAO Wei-tao YU xiu-kun XU xiao-feng

作者单位: College of Aeronautical and Astronautical Engineering, Shenyang Institute of Aeronautical Engineering,Liaoning Shenyang 110136

会议类型: 国际会议

会议名称: 第九届工程结构完整性国际会议(The Ninth International Conference on Engineering Structural Integrity Assessment)

会议地点: 北京

会议语种:英文

在线出版日期: 2007-10-15（万方平台首次上网日期，不代表论文的发表时间）