摘要
本文提供了一种识别杆系结构受到多荷载的作用的三角级数识别方法。将集中荷载展成三角级数且借助结构力学中的位移法建立了单根基本梁(梁单元)的位移方程,利用位移测量值反演所受到的集中荷载大小和位置。算例表明本文所用级数收敛性较好,可获得稳定的收敛值。
An analysis method of trigonometric series for multi loads identitlcation on member structure was presented. The concentrated load was carried out into trigonometric series. Based on the displacement method, the displacement equation of beam element was established. Based on the displacement of loaded structure, the size and the location of load on the structure were back- calculated iteratively. It is clear that the convergence property of trigonometric series is good through the example of the calculation.
出处
《力学季刊》
CSCD
北大核心
2008年第3期487-491,共5页
Chinese Quarterly of Mechanics
基金
国家自然科学基金项目(50708076)
江苏省高校自然科学基金(08KJB560003)
关键词
荷载识别
杆系结构
三角级数
loads identification
member structure
trigonometric series
