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Application of python-based Abaqus preprocess and postprocess technique in analysis of gearbox vibration

Guilian YI, Yunkang SUI, Jiazheng DU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 229-234 doi: 10.1007/s11465-011-0128-z

Abstract:

To reduce vibration and noise, a damping layer and constraint layer are usually pasted on the innersurface of a gearbox thin shell, and their thicknesses are the main parameters in the vibration andThe normal acceleration of the point on the gearbox surface is the main index that can reflect the vibrationcharacteristics of the whole structure, and the vibration acceleration level is adopted to measure thedegree of the vibration and noise.

Keywords： Abaqus secondary development     Python language     vibration and noise reduction     K-S function     vibration accelerationlevel    

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One DOF mechanism for the mechanical harvest of vines in an arbor structure and the validation of the acceleration

Osvaldo PENISI,José BOCCA,Horacio AGUILAR,Pedro BOCCA

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 3,   Pages 221-232 doi: 10.1007/s11465-015-0347-9

Abstract:

In the mechanized harvest of vines, grape berries are detached through the vibration to the structureAccording to the kind of guide selected, the clusters require one or two vibration directions in theFor guiding in parral structures, vibration is necessary in two directions or planes: One perpendiculara system has been designed to measure the accelerations at the bars and the rocker to validate the accelerationvalues that detach the grape berries in a prototype in a lab experiment, to ensure that the acceleration

Keywords： harvest     mechanisms     one DOF     vibration    

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Dynamic characteristics of NC table with SVD

WANG Linhong, WU Bo, DU Runsheng, YANG Shuzi

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 385-391 doi: 10.1007/s11465-008-0052-z

Abstract: Acceleration signals of the NC table at three directions are tested; the singular spectrum of the signalscorrelated with that at the horizontal motion direction, which indicates that they are excited from the same vibrationHowever, signals perpendicular to each other in terms of the motion direction at the horizontal levelBending vibration of the lead screw at the perpendicular direction is far more violent than that at the

Keywords： Acceleration     vibration source     chaotic     energy     dynamic    

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Measurement and characteristics of ground vibration caused by blasting demolition of urban overpass

Hu Jinjun,Yang Yongqiang,Guan Yingjun

Strategic Study of CAE 2014, Volume 16, Issue 11,   Pages 90-95

Abstract:

To analyze the ground vibration caused by blasting demolition of urbanThrough analysis of peak acceleration, peak frequency and duration, results indicate that, the verticalcomponent of vibration is the most important in the region close to the collapse point; the collapseof bridge segments will lead to superposition of ground vibration, and isolation measures can reducethe peak acceleration but increase the duration of vibration; blasting and collapse vibration cause

Keywords： blasting demolition     urban overpass     collapse     ground vibration     acceleration    

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A new type of quadratic acceleration method

Changqing LI, Menglin LOU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 302-310 doi: 10.1007/s11709-010-0026-1

Abstract: The polynomial acceleration method for time history analysis is presented, in which accelerations betweenWhen stability field and computational accuracy are taken into account at the same time, the quadratic accelerationmethod is superior to linear and cubic acceleration methods in choosing the maximum acceptable timeIt is also shown that the quadratic acceleration method has desirable arithmetic damp, amplitude decay

Keywords： polynomial acceleration method     convergence     stability     square acceleration method    

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data enhancement for implementation in purification of modal frequency for extremely noisy ambient vibration

Hassan YOUSEFI, Alireza TAGHAVI KANI, Iradj MAHMOUDZADEH KANI, Soheil MOHAMMADI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 446-472 doi: 10.1007/s11709-019-0605-8

Abstract: The main purpose of the present study is to enhance high-level noisy data by a wavelet-based iterativeDue to the fact that it is impossible to completely denoise such high-level noisy data, the enhancing

Keywords： ambient vibration test     high level noise     iterative signal enhancement     wavelet     cross and autocorrelation    

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The measurement and analysis of ice induced vibration of JZ9-3WHPB oil platform in Bohai Sea

lan Zhigang,Zhao Yinnina,Guo Jianfeng,Zhou Zhentao,Xing Jian,Bai Gang,Lu Hongge,Li Huihui

Strategic Study of CAE 2011, Volume 13, Issue 5,   Pages 79-87

Abstract: Based on the structure and layout of the untended JZ9-3WHPB platform, remote controllable ice induced vibrationmonitoring system was designed and installed on JZ9-3WHPB platform to record the vibration of the structureShort time Fourier transform was employed to study the temporal variations and mode frequencies of the vibrationVibration mode was analyzed by comparison of the phase difference between the vibrations of the upper, tide and current of the water, and the structure of the platform, the defects of anti-ice induced vibration

Keywords： ffshore platform     sea ice of Bohai Sea     ice induced vibration     vibration acceleration     short time Fourier    

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Position-varying surface roughness prediction method considering compensated acceleration in milling

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 855-867 doi: 10.1007/s11465-021-0649-z

Abstract: Surface roughness will be affected by system position dependent vibration even under constant parameterprocess, this paper proposes a position-varying surface roughness prediction method based on compensated accelerationThe actual vibration state at any processing position is obtained through the single-point monitoringacceleration compensation model.Seven acceleration features are extracted, and valley, which has the highest R-square proving

Keywords： surface roughness prediction     compensated acceleration     milling     thin-walled workpiece    

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Experimental study of structural damage identification based on modal parameters and decay ratio of acceleration

Zhigen WU, Guohua LIU, Zihua ZHANG

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 112-120 doi: 10.1007/s11709-010-0069-3

Abstract: A novel damage assessment method based on the decay ratio of acceleration signals (DRAS) was proposed

Keywords： damage assessment     decay ratio of acceleration signals (DRAS)     wavelet transform (WT)     modal analysis     reinforced    

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Design and characteristics of electric supercharger for diesel engine acceleration by additional rapid

YAO Chun-de, ZHOU Hong-xiu

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 409-412 doi: 10.1007/s11465-006-0048-5

Abstract: motor was developed to solve the problem of smoke caused by the turbocharger s sluggish response during accelerationTherefore, it is a feasible way to reduce smoke emission and improve the acceleration performance.

Keywords： acceleration     velocity distribution     high-speed brushless     turbocharger     electric supercharger    

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Vibration characteristics and machining performance of a novel perforated ultrasonic vibration platform

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0730-2

Abstract: Ultrasonic vibration-assisted grinding (UVAG) is an advanced hybrid process for the precision machiningIts performance considerably influences the vibration amplitude and resonant frequency.In this work, a novel perforated ultrasonic vibration platform resonator was developed for UVAG.vibration characteristics.The performance of the vibration platform was evaluated by the vibration tests and UVAG experiments of

Keywords： ultrasonic vibration-assisted grinding     perforated ultrasonic vibration platform     vibration characteristics    

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Recent development of vibration utilization engineering

WEN Bangchun

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 1-9 doi: 10.1007/s11465-008-0017-2

Abstract: The utilization of vibration and wave, which was developed during the latter half of the 20th centuryThus, due to its necessity in industry and daily life, extensive research has been devoted to vibrationIn this paper, vibration utilization is classified into linear or non-linear vibrations, waves, and electric-magneticSome research results about vibration utilization engineering are described.

Keywords： utilization engineering     non-linear     vibration     vibration utillization     utillization engineering    

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Vibration-based hypervelocity impact identification and localization Research Article

Jiao BAO, Lifu LIU, Jiuwen CAO,jwcao@hdu.edu.cn

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 4,   Pages 515-529 doi: 10.1631/FITEE.2000483

Abstract: Hypervelocity impact (HVI) vibration source identification and localization have found wide applications

Keywords： Ensemble learning     Synchrosqueezied transform     Gray-level co-occurrence matrix     Image entropy     Distance    

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Similitude design for the vibration problems of plates and shells: A review

Yunpeng ZHU, You WANG, Zhong LUO, Qingkai HAN, Deyou WANG

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 253-264 doi: 10.1007/s11465-017-0418-1

Abstract:

Similitude design plays a vital role in the analysis of vibration and shock problems encountered inengineering practice and summarizes the major achievements of the dynamic similitude theory in structural vibrationdiscusses the existing problems and the potential of the dynamic similitude theory for the analysis of vibration

Keywords： review     dynamic     similitude     vibration     model test    

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Multi-harmonic forced vibration and resonance of simple beams to moving vehicles

Frontiers of Structural and Civil Engineering   Pages 981-993 doi: 10.1007/s11709-023-0979-5

Abstract: This study modeled the moving-vehicle-induced forcing excitation on a single-span prismatic bridge as a multiple frequency-multiplication harmonic load on the modal coordinates of a linear elastic simple Euler–Bernoulli beam, and investigated the forced modal oscillation and resonance behavior of this type of dynamic system. The forced modal responses consist of multiple frequency-multiplication steady-state harmonics and one damped mono-frequency complementary harmonic. The analysis revealed that a moving load induces high-harmonic forced resonance amplification when the moving speed is low. To verify the occurrence of high-harmonic forced resonance, numerical tests were conducted on single-span simple beams based on structural modeling using the finite element method (FEM) and a moving sprung-mass oscillator vehicle model. The forced resonance amplification characteristics of the fundamental mode for beam response estimation are presented with consideration to different end restraint conditions. The results reveal that the high-harmonic forced resonance may be significant for the investigated beams subjected to vehicle loads moving at specific low speeds. For the investigated single-span simple beams, the moving vehicle carriage heaving oscillation modulates the beam modal frequency, but does not induce notable variation of the modal oscillation harmonic structure for the cases that vehicle of small mass moves in low speed.

Keywords： forced vibration     linear Euler beam     moving load     harmonic structure     frequency modulation     end restraints    

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Title Author Date Type Operation

Application of python-based Abaqus preprocess and postprocess technique in analysis of gearbox vibration

Guilian YI, Yunkang SUI, Jiazheng DU

Journal Article

One DOF mechanism for the mechanical harvest of vines in an arbor structure and the validation of the acceleration

Osvaldo PENISI,José BOCCA,Horacio AGUILAR,Pedro BOCCA

Journal Article

Dynamic characteristics of NC table with SVD

WANG Linhong, WU Bo, DU Runsheng, YANG Shuzi

Journal Article

Measurement and characteristics of ground vibration caused by blasting demolition of urban overpass

Hu Jinjun,Yang Yongqiang,Guan Yingjun

Journal Article

A new type of quadratic acceleration method

Changqing LI, Menglin LOU,

Journal Article

data enhancement for implementation in purification of modal frequency for extremely noisy ambient vibration

Hassan YOUSEFI, Alireza TAGHAVI KANI, Iradj MAHMOUDZADEH KANI, Soheil MOHAMMADI

Journal Article

The measurement and analysis of ice induced vibration of JZ9-3WHPB oil platform in Bohai Sea

lan Zhigang,Zhao Yinnina,Guo Jianfeng,Zhou Zhentao,Xing Jian,Bai Gang,Lu Hongge,Li Huihui

Journal Article

Position-varying surface roughness prediction method considering compensated acceleration in milling

Journal Article

Experimental study of structural damage identification based on modal parameters and decay ratio of acceleration

Zhigen WU, Guohua LIU, Zihua ZHANG

Journal Article

Design and characteristics of electric supercharger for diesel engine acceleration by additional rapid

YAO Chun-de, ZHOU Hong-xiu

Journal Article

Vibration characteristics and machining performance of a novel perforated ultrasonic vibration platform

Journal Article

Recent development of vibration utilization engineering

WEN Bangchun

Journal Article

Vibration-based hypervelocity impact identification and localization

Jiao BAO, Lifu LIU, Jiuwen CAO,jwcao@hdu.edu.cn

Journal Article

Similitude design for the vibration problems of plates and shells: A review

Yunpeng ZHU, You WANG, Zhong LUO, Qingkai HAN, Deyou WANG

Journal Article

Multi-harmonic forced vibration and resonance of simple beams to moving vehicles

Journal Article