Random vibrations and peak response of a shear beam under high frequency seismic effects

机译：高频地震作用下剪切梁的随机振动和峰值响应

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In present paper selected results of a study of non-stationary random vibrations of a shear beam excited by time segments of band limited white noise are presented. The root mean square (rms) and peak response of the shear beam is studied for two characteristic frequency bands: the conventional 1 -4 Hz and higher frequency 4-16 Hz, characteristic for rockburst ground motion. The "switching off" fundamental modes for high frequency excitations results in characteristic overshoot of the stationary response level by the non-stationary rms response and an amplification of the response in the upper part of the shear beam.

机译：在本文中，给出了由有限频带白噪声的时间段激发的剪切梁的非平稳随机振动研究的选定结果。在两个特征频带上研究了剪切梁的均方根（rms）和峰值响应：传统的1-4 Hz和更高的频率4-16 Hz，这是岩爆地面运动的特征。高频激励的“关闭”基本模式会由于非平稳均方根响应而导致稳态响应水平出现特征性过冲，并在剪切梁的上部放大响应。

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《Reliability and optimization of structural systems: Assessment, design and life-cycle performance》|2006年|241-248|共8页
会议地点 Kobe(JP)
作者
Z. Zembaty;
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作者单位

Opole University of Technology, Opole, Poland;

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正文语种 eng
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2. Seismic random vibration analysis of shear beams with random structural parameters [J] . Jun Dai, Wei Gao, Nong Zhang, Journal of Mechanical Science and Technology . 2010,第2期

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3. Influence of surface micro-beams with large deflection on the resonance frequency of a quartz crystal resonator in thickness-shear mode vibrations [J] . Chi Luo, Jiemin Xie, Yuantai Hu 力学快报(英文版) . 2017,第002期

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4. Random vibrations and peak response of a shear beam under high frequency seismic effects [C] . IFIP WG 7.5 working conference on reliability and optimization of structural systems . 2007

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Random vibrations and peak response of a shear beam under high frequency seismic effects

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