多弹簧梁柱单元在空间钢框架非线性分析中的应用
|
摘要
多弹簧模型空间梁柱单元可以有效地模拟空间梁柱单元在轴力、弯矩以及剪力共同作用下的响应,反映空间梁柱单元在往复荷载以及地震作用下的滞回性能。介绍了建立多弹簧模型梁柱单元刚度矩阵的理论依据以及该理论的关键公式与矩阵。使用以该单元为主编制的MTS建筑钢结构设计软件的非线性分析模块进行静力非线性以及动力非线性时程算例分析,验证了该单元模拟空间梁柱的准确性以及MTS软件非线性模块的可靠性。
Multi-spring element model is effective in simulating the combined action of axial force,moment and shear force as well as reflecting the hysteretic behavior under the reciprocal load or earthquake load.The theory about establishing element matrix with multi-spring model is introduced.The key formulas and element matrix is also provided.Compare the results of nonlinear subprogram of MTS steel structure design program which is mainly compiled with multi-spring element model and experiment or SAP2000.The correct of this model and the reliability of MTS program are verified by the comparison.
Multi-spring element model is effective in simulating the combined action of axial force,moment and shear force as well as reflecting the hysteretic behavior under the reciprocal load or earthquake load.The theory about establishing element matrix with multi-spring model is introduced.The key formulas and element matrix is also provided.Compare the results of nonlinear subprogram of MTS steel structure design program which is mainly compiled with multi-spring element model and experiment or SAP2000.The correct of this model and the reliability of MTS program are verified by the comparison.
引文
[1]伍永飞,周德源.纤维模型在平面框架非线性静力分析中的应用[J].东南大学学报(自然科学版),2005,(7):129-132.
[2]赵日崇.复杂高层建筑弹塑性地震反应分析应用软件的开发及应用[D].上海:同济大学,2002.
[3]王勖成.有限单元法[M].北京:清华大学出版社,2003:556-570.
[4]刘卫国.钢构件恢复力特性研究[D].上海:同济大学,1990.
[5]黄靖宇.箱形钢柱的空间恢复力模型研究[D].上海:同济大学,1991.
[6]刘伟,卞延彬.偏心支撑钢框架抗震性能的试验研究[J].钢结构,2003,(6):27-30.
[2]赵日崇.复杂高层建筑弹塑性地震反应分析应用软件的开发及应用[D].上海:同济大学,2002.
[3]王勖成.有限单元法[M].北京:清华大学出版社,2003:556-570.
[4]刘卫国.钢构件恢复力特性研究[D].上海:同济大学,1990.
[5]黄靖宇.箱形钢柱的空间恢复力模型研究[D].上海:同济大学,1991.
[6]刘伟,卞延彬.偏心支撑钢框架抗震性能的试验研究[J].钢结构,2003,(6):27-30.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心