Hysteresis performance research of the plate type variable friction damper with complex damping characteristics
PENG Ling-yun1，Chang Jian1，SU Jing-yu1，QIN Li2
1. Beijing University of Technology Beijing key Lab of Earthquake Engineering and Structural Retrofit Beijing 100124,China;
2.Hubei University of Arts and Science,Xiangyang441053,China
Abstract：A plate type variable friction damper is proposed in order to make the damping devices have complex damping characteristics. Based on static equilibrium conditions, the theoretical formulas of damper hysteretic model according to its geometric and physical parameters were derived. And the damper hysteretic curve was simulated using nonlinear finite element analysis. Some periodic static test on hysteretic behavior of the damper was conducted. The key parameters affecting the hysteresis performance based on the above methods were investigated. The results showed that hysteresis curves of the damper are symmetrical triangle about the origin and locate in first and third quadrants, Hysteresis curve of theoretical formulas and numerical simulation agreed very well with the experimental results, the key factors affecting the damper hysteretic performance are spring stiffness, two friction coefficients and one angle. It showed that the damper hysteresis curve has obviously complex damping characteristics, the results of theoretical formulas and numerical simulation of the hysteretic model can be used as a preliminary method to design this damper.
彭凌云1，常健1，苏经宇1,秦丽2. 具有复阻尼特征板式变摩擦阻尼器滞回性能研究[J]. 振动与冲击, 2017, 36(18): 189-195.
PENG Ling-yun1，Chang Jian1，SU Jing-yu1，QIN Li2. Hysteresis performance research of the plate type variable friction damper with complex damping characteristics. JOURNAL OF VIBRATION AND SHOCK, 2017, 36(18): 189-195.
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