PRELIMINARY STUDY OF VERTICAL PROP ELEMENT WITH ALTERABLE STIFFNESS IN COOPERATION OF SHEET SPACE STRUCTURE
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摘要: 对于板片结构体系中板 -杆共同工作问题 ,在引入变刚度立柱单元的概念后 ,运用系统辨识理论和有限元反分析方法来研究带有变刚度立柱单元的计算模型 ,编制了相应的寻优和辨识程序 ,并利用程序寻找出了变刚度立柱单元较好和最好的刚度参数。Abstract: After introducing the concept of vertical prop element with alterable stiffness, the theory of system identificationand the ant-i analysis method of FEA are used to study the computing model of vertical prop element with alterable stiffness,and the program for optimization and identification is worked out, with which the - better. or - best. stiffness coefficients of vertica-l prop element with alterable stiffness are obtained.
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