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《Chinese Quarterly of Mechanics》 2008-03

## Analysis Method of Trigonometric Series for Multiloads Identification on Member Structure

FAN Cun-xin CHEN Jia-jin ZHANG Yi Dept.of Engineering Mechanics,Suzhou University of Science & Technology,Suzhou 215011,China TANG He-sen Research Institute of Structural Engineering and Disaster Reduction,Tongji University,Shanghai 200092,China
An analysis method of trigonometric series for multi loads identification on member structure was presented.The concentrated load was carried out into trigonometric series.Based on the displace- ment 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.
【Fund】： 国家自然科学基金项目(50708076);; 江苏省高校自然科学基金(08KJB560003)
【CateGory Index】： TB121
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