Estimation of the natural vibration period and damping of a structure from its random vibration

Hiroyohsi Fujii; Nobuya Sakomoto; Yoshimutu Hirata

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Estimation of the natural vibration period and damping of a structure from its random vibration

机译：从随机振动估计天然振动周期和阻尼结构的阻尼

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摘要

A method for estimating the natural vibration period and damping of a structure from its nonstational vibration is shown. The method is based on the Short Interval Period(SIP) distribution of a vibration structure, which can reflect the dynamic characteristics of the structure. The method is applicable to the non-destructive method for investigating the structural damage and changes of many types of structures under the circumstace of big noise and vibration.

机译：示出了一种用于估计自然振动周期的方法以及从其非正极振动的结构阻尼。该方法基于振动结构的短间隔周期（SIP）分布，这可以反映结构的动态特性。该方法适用于用于研究大噪声和振动的结构损伤和许多类型结构的结构损伤和变化的非破坏性方法。

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来源
《電子情報通信学会技術研究報告. 安全性. Safety》 |2002年第395期|共4页
作者
Hiroyohsi Fujii; Nobuya Sakomoto; Yoshimutu Hirata;
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原文格式 PDF
正文语种 jpn
中图分类通信保密与通信安全;
关键词
Natural vibration period; Damping; Structural damage; Non-destructive investigation; Health monitoring;

机译：自然振动周期;阻尼;结构损伤;无损调查;健康监测;

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1. Estimation of the natural vibration period and damping of a structure from its random vibration [J] . Hiroyohsi Fujii, Nobuya Sakomoto, Yoshimutu Hirata 電子情報通信学会技術研究報告. 安全性. Safety . 2002,第395期

机译：从结构的随机振动估算自然振动周期和阻尼
2. Tuned vibration absorbers with nonlinear viscous damping for damped structures under random load [J] . Shum K. M. Journal of Sound and Vibration . 2015,第Null期

机译：具有非线性粘性阻尼的调谐减振器，用于随机载荷下的阻尼结构
3. Multiaxial fatigue damage estimation of structures under random vibrations using Matsubara's criterion [J] . Yaich A., El Hami A. International Journal of Fatigue . 2019,第JULa期

机译：基于松原准则的随机振动下结构的多轴疲劳损伤估计
4. High-resolution estimation and on-line monitoring of natural frequency of aircraft structure specimen under random vibration [C] . Bodruzzaman, M., Devgan, . 1994

机译：随机振动下飞机结构标本的固有频率的高分辨率估计和在线监测
5. DIRECT GENERATION OF SEISMIC FLOOR RESPONSE SPECTRA FOR CLASSICALLY AND NONCLASSICALLY DAMPED STRUCTURES (EARTHQUAKES, RANDOM VIBRATIONS, STRUCTURAL DYNAMICS) [D] . SHARMA, ANIL MOHAN. 1983

机译：直接生成经典和非经典阻尼结构（地震，随机振动，结构动力学）的地震动响应谱
6. Increasing Damping of Thin-Walled Structures Using Additively Manufactured Vibration Eliminators [O] . Paweł Dunaj, Stefan Berczyński, Karol Miądlicki, 2020

机译：使用增材制造的减振器来增加薄壁结构的阻尼
7. A STUDY ON THE DAMPING OF VIBRATIONS IN SPACE STRUCTURES ACCORDING TO COLLECTED VIBRATION MEASUREMENT DATA(Structures) [O] . Ikuo TATEMICHI 2004

机译：根据收集的振动测量数据（结构）的空间结构振动阻尼研究
8. Component Mode Synthesis and Large Deflection Vibration of Complex Structures. Volume 2:Single-Mode Large Deflection Vibrations of BEAMS and Plates Using Finite Element Method. Final Report,Period Ending January 31, 1987, [R] . mei, c. 1987

机译：复杂结构的分量模态综合与大挠度振动。第2卷：BEams和板的单模大挠度振动的有限元法。最终报告，截止日期为1987年1月31日，

Estimation of the natural vibration period and damping of a structure from its random vibration

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