摘要
针对框架—自复位墙结构,将自复位墙假定为刚体,框架简化为多自由度体系,得到了“刚体—多自由度体系”简化分析模型,建立了地震激励下的运动方程,给出了相应的Simulink动态仿真模型。针对典型算例,在多条地震波激励下,分别采用该文提出的方法及ABAQUS有限元软件进行了弹性地震响应分析。总体上,二种方法得到的计算结果差别较小,表明该文所建立的简化分析模型具有较高的计算精度,同时具有很高的计算效率,能进一步应用于框架—自复位墙结构的抗震设计。
A simplified analysis model,namely the rigid body-MDOF system model,for framed self-centering wall(FSCW)structures is proposed in this paper.It treats the self-centering wall as a rigid body and the frame as a multi-degree-of-freedom(MDOF)system.Adopting this model,the governing equations of motion of FSCW structures under seismic excitation were established.The corresponding dynamic simulation model was developed on the Simulink platform.For a typical FSCW structure subjected to several ground motions,elastic seismic response analyses were conducted by both the proposed method and the finite element software ABAQUS.The results obtained from the two methods were generally close to each other.Therefore,the proposed simplified analysis model has a relatively good accuracy and a rather high computational efficiency.It can be further applied in the seismic design of FSCW structures.
作者
刘汉赋
陆晨
胡晓斌
LIU Han-fu;LU Chen;HU Xiao-bin(School of Civil Engineering,Wuhan University,Wuhan 430072,China)
出处
《工程力学》
EI
CSCD
北大核心
2022年第1期100-107,117,共9页
Engineering Mechanics
基金
国家自然科学基金项目(51578429,51208386)。
关键词
框架-自复位墙结构
弹性地震反应
刚体-多自由度体系
运动方程
动态仿真
framed self-centering wall structure
elastic seismic response
rigid body-MDOF system
equation of motion
dynamic simulation
