高阻尼粘弹性阻尼器的有限元数值分析
首发时间:2017-06-20
摘要:本文对高阻尼粘弹性阻尼器进行研究,采用ABAQUS软件对其进行有限元数值模拟分析,研究了不同应变幅值对其力学性能及应力分布的影响,分析结果表明:高阻尼粘弹性阻尼器在小应变下即开始耗能,随应变幅值增大,其滞回环面积及各项力学性能相应增大;粘弹性材料层在剪切耗能过程中应力分布由外侧向内侧增大,在内侧边缘处达到极大值。
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Finite element analysis of high damping viscoelastic damper
Abstract:In this paper, a study on high damping viscoelastic damper was presented. The influences of different strain amplitude on the mechanical property and stress distribution of the damper were investigated by conducting the numerical simulation with the aid of commercial software ABAQUS. The result show that the high damping viscoelastic damper begin to consume energy at a small strain, the hysteresis loop area and the mechanical properties increase with the increase of the strain amplitude. The stress distribution of the viscoelastic material layer increases from the outside to the inside during the energy dissipation process, reaching the maximum value at the inner edge.
Keywords: structural engineering high damping viscoelastic damper numerical analysis
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