VIBRATION CHARACTERISTICS OF HIGH NATURAL FREQUENCY MECHANICAL STRUCTURES

机译：高自然频率机械结构的振动特性

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Recently, it has been reported that a rupture of the piping in an earthquake is produced not by a momentary large load but by cumulative fatigue damage. Then it is expected that the rupture of equipment and piping that have high natural frequency is also caused by cumulative fatigue damage. Therefore it is very important to grasp this effect accurately. In this study, vibration characteristics at high frequency band are investigated. At first numerical analyses are carried out. In the analysis, elasto-plastic model that gives the system elasto-plastic behavior by differential equation is adopted. Then fundamental experiments by using simple single-degree-of-freedom model are carried out to investigate property of experiment model and vibration characteristic. The experiments consist of static experiments, free vibration experiments, and forced vibration experiments.

机译：最近，据报道，地震中管道的破裂不是由瞬时大载荷引起的，而是由累积疲劳损伤引起的。然后，可以预期，具有高固有频率的设备和管道的破裂也是由累积疲劳损伤引起的。因此，准确掌握此效果非常重要。在这项研究中，研究了高频段的振动特性。首先，进行数值分析。在分析中，采用了通过微分方程给出系统弹塑性行为的弹塑性模型。然后通过简单的单自由度模型进行基础实验，以研究实验模型的性质和振动特性。实验包括静态实验，自由振动实验和强制振动实验。

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来源
《ASME(American Society of Mechanical Engineers) Pressure Vessels and Piping Conference vol.8: Seismic Engineering; 20050717-21; Denver,CO(US)》|2005年|P.215-219|共5页
会议地点 DenverCO(US)
作者
Keisuke MINAGAWA; Satoshi FUJITA; Rokuro ENDO;
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作者单位

Graduate School of Engineering, Tokyo Denki University 2-2 Kanda-Nishiki-cho, Chiyoda-ku, Tokyo 101 -8457, JAPAN;

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会议组织
原文格式 PDF
正文语种 eng
中图分类压力容器;
关键词
energy balance; high frequency band; elasto-plastic;

机译：能量平衡;高频段;弹塑性;

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1. APPLICATION OF THE METHOD OF INITIAL PARAMETERS TO ANALYSIS OF COUPLED HYDROMECHANICAL VIBRATIONS IN PIPING SYSTEMS. PART 2. NATURAL FREQUENCIES AND MODES OF COUPLED HYDROMECHANICAL VIBRATIONS OF FLUID TRANSPORTED IN PIPELINES [J] . I. V. Orynyak, A. S. Batura, Ya. R. Dubik Strength of Materials . 2012,第1期

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4. VIBRATION CHARACTERISTICS OF HIGH NATURAL FREQUENCY MECHANICAL STRUCTURES [C] . Keisuke MINAGAWA, Satoshi FUJITA, Rokuro ENDO, ASME Pressure Vessels and Piping Conference: Seismic Engineering . 2005

机译：高固有频率机械结构的振动特性
5. THE ESTABLISHMENT OF A PROCEDURE FOR SELECTING A FAVORABLE METHOD OF DETERMINING NATURAL FREQUENCIES AND NATURAL MODES OF VIBRATION OF MULTI-DEGREE-OF-FREEDOM MECHANICAL SYSTEMS, THE MOTIONS OF WHICH CAN BE DESCRIBED BY LINEAR DIFFERENTIAL EQUATIONS. [D] . ALLEY, THOMAS LEROY. 1964

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6. Chiral Vibrational Structures of Proteins at Interfaces Probed by Sum Frequency Generation Spectroscopy [O] . Li Fu, Zhuguang Wang, Elsa C.Y. Yan 2011

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7. Optimum Design of Structures with Regard to Their Vibrational Characteristics : 5th Report, Minimum Weight Design with Many Constraints in Natural Frequencies [O] . Hiroshi YAMAKAWA, Yoshikazu FUSASAKI, Yuichi SAITO 1979

机译：关于其振动特性的结构优化设计：第5次报告，最低重量设计，具有许多自然频率约束
8. Probing the structure and nano-scale mechanical properties of polymer surfaces211 with scanning force microscopy and sum frequency vibrational spectroscopy [R] . Gracias, D. H. 1999

机译：用扫描力显微镜和和频振动光谱探讨聚合物表面211的结构和纳米尺度力学性能

VIBRATION CHARACTERISTICS OF HIGH NATURAL FREQUENCY MECHANICAL STRUCTURES

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