自复位摩擦耗能支撑结构多尺度模型更新数值混合模拟方法

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振动与冲击 ›› 2022, Vol. 41 ›› Issue (17) : 25-34.

论文

王涛1，李勐1，孟丽岩1，许国山2，刘家秀1，谢婧怡1

作者信息 +

Multi-scale model updating numerical hybrid simulation method for self-centering friction energy dissipation braced structure

WANG Tao1, LI Meng1, MENG Liyan1, XU Guoshan2, LIU Jiaxiu1, XIE Jingyi1

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文章历史 +

摘要

为提高复杂结构模型更新数值混合模拟精度及工程应用能力，提出自复位摩擦耗能支撑结构多尺度模型更新数值混合模拟方法。以OpenSees 和MATLAB 为计算平台，对二层带有自复位摩擦耗能支撑结构钢框架进行在线数值混合模拟。该方法采用容积卡尔曼滤波器算法，同时对单轴钢材Giuffre-Menegotto-Pinto 材料本构模型和自复位摩擦耗能支撑构件模型进行参数识别，并更新整体结构数值模型。结果表明，与传统数值混合模拟方法相比，多尺度模型更新数值混合模拟方法有效提高了数值模型精度，
显著降低了耗能、残余变形、顶层相对位移、最大层间位移角的相对误差，验证了多尺度模型更新数值混合模拟方法的有效性。

Abstract

In order to improve the numerical simulation accuracy and engineering application capability of complexstructure model updating, a multi-scale numerical simulation method of self-centering energy dissipation braced structuremodel updating was proposed. Using OpenSees and MATLAB as computing platforms, online hybrid numericalsimulation was carried out for a two-story steel frame with self-centering energy dissipation bracing.The method usedcubature Kalman filter algorithm, at the same time, the parameters of giuffre-Menegotto-Pinto material constitutivemodel and self-centering energy dissipation braced member model were identified, and the overall structure numericalmodel was updated. The results showed that compared with the traditional numerical hybrid simulation method, themulti-scale model updating numerical hybrid simulation method can effectively improve the numerical model accuracy,the relative errors of energy dissipation, residual deformation, relative displacement of top layer and maximum interlayerdisplacement angle were significantly reduced, which verified the effectiveness of the hybrid numerical simulationmethod of multi-scale model updating.

导出引用

王涛1，李勐1，孟丽岩1，许国山2，刘家秀1，谢婧怡1. 自复位摩擦耗能支撑结构多尺度模型更新数值混合模拟方法[J]. 振动与冲击, 2022, 41(17): 25-34

WANG Tao1, LI Meng1, MENG Liyan1, XU Guoshan2, LIU Jiaxiu1, XIE Jingyi1. Multi-scale model updating numerical hybrid simulation method for self-centering friction energy dissipation braced structure[J]. Journal of Vibration and Shock, 2022, 41(17): 25-34

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