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Air-bearing position optimization based on dynamic characteristics of ultra-precision linear stages

CHEN Xuedong, LI Zhixin

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 400-407 doi: 10.1007/s11465-008-0060-z

Abstract: However, the dynamic characteristics including mode frequency, mode shape, and response amplitude are

Keywords： manufacture     different     interaction     air-bearings     response amplitude    

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Research on direct digital process of inductance sensor

WANG Xuan-ze, YANG Lian-gen, ZHONG Yu-ning

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 317-322 doi: 10.1007/s11465-006-0023-1

Abstract: Amplitude-displacement and phase-displacement equations are deduced for non-ideal carrier wave and inductancetraditional process method is an approximate one, a new method is presented to simultaneously obtain the amplitudeAccording to the characteristic of the amplitude-displacement and phase-displacement curves, we obtaindisplacement by phase and amplitude respectively when the sensor is close to the zero point position

Keywords： traditional     corresponding     phase-displacement     Amplitude-displacement     characteristic    

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Application of a Novel Fuzzy Clustering Method Based on Chaos Immune Evolutionary Algorithm for Edge Detection in Image Processing

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 85-89 doi: 10.1007/s11465-005-0023-6

Abstract: a tiny disturbance is added to a filial generation group using a chaos variable and the disturbance amplitude

Keywords： disturbance amplitude     disturbance     diversity     generation     processing    

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Controlling nested wrinkle morphology through the boundary effect on narrow-band thin films

Hanyang XU, Tielin SHI, Guanglan LIAO, Qi XIA

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 235-240 doi: 10.1007/s11465-017-0458-6

Abstract: The formation of nested wrinkles was explained through the amplitude and wavelength saturation of nano-scale

Keywords： nested and hierarchical wrinkles     morphology     amplitude saturation     boundary effect    

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Flow behavior of liquid-solid coupled system of piezoelectric micropump

LU Lijun, WU Jiankang

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 50-54 doi: 10.1007/s11465-008-0003-8

Abstract: of the liquid-solid coupled system, the first-order natural frequency, diaphragm vibration shape and amplitude-frequencyThe vibration response of the diaphragm is calculated when an external electric field is applied.

Keywords： amplitude-frequency relationship     first-order     micropump     diaphragm vibration     electric    

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Separation and extraction of bridge dynamic strain data

Baijian WU, Zhaoxia LI, Ying WANG, T. H. T. CHAN,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 395-400 doi: 10.1007/s11709-009-0049-7

Abstract: responsibility for the errors, and the main reason is that the random disturbance shifts the real strain/stress amplitude

Keywords： dynamic     valuable     separatrix     strain/stress amplitude     frequency    

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Development of a seismic design method based on response spectra for building structures

ZHOU Xiyuan, YU Ruifang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 129-141 doi: 10.1007/s11709-007-0014-2

Abstract: The assumption and problem of the mode-superposition response spectrum method in seismic design codeThe progresses on the mode superposition response spectrum theory are discussed.multiple-support seismic excitations and deducing corresponding method; 4) the approach for calculation of seismic responseof the non-classically damped system with overcritical damping and the calculation method of seismic response

Keywords： generalization     classical damping     mode-superposition response     calculation formula     damping theory    

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Fatigue Life Prediction of Fiber Reinforced Metal Laminates Under Variable Amplitude Loading

Wu Xueren,Guo Yajun

Strategic Study of CAE 1999, Volume 1, Issue 3,   Pages 35-40

Abstract: mechanism-based fatigue model was developed for the prediction of the fatigue lives of FRMLs under constant amplitudeof glass fiber reinforced laminates (GLARE), including crack growth and delamination, under constant amplitudeAn equivalent crack closure model for predicting crack growth in FRMLs under variable amplitude loadingAll the models in this paper were verified by applying to GLARE under constant amplitude loading and

Keywords： fiber reinforced metal laminates     fatigue     bridging stress     delamination     life prediction    

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Development of electrorheological chip and conducting polymer-based sensor

Xianzhou ZHANG, Weihua LI, Weijia WEN, Yanzhe WU, Gordon WALLACE,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 393-396 doi: 10.1007/s11465-009-0043-8

Abstract: The response signals of the CP sensor were recorded, and its properties were analyzed.Experimental results show that the amplitude decreases monotonically when the frequency increases, owing

Keywords： electrorheological (ER) fluids     conducting polymer (CP)     polydimethylsioxane (PDMS)     driving frequency     amplitude    

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Confining pressure effect on dynamic response of high rockfill dam

Xuexing CAO, Yunlong HE, Kun XIONG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 116-126 doi: 10.1007/s11709-010-0014-5

Abstract: A corresponding computational procedure was compiled and applied in the dynamic response analysis of

Keywords： confining pressure effect     high rockfill dam     dynamic response     Hardin-Drnevich constitutive model    

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Impact drive rotary precision actuator with piezoelectric bimorphs

ZHANG Hongzhuang, ZENG Ping, HUA Shunming, CHENG Guangming, YANG Zhigang

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 71-75 doi: 10.1007/s11465-008-0008-3

Abstract: characteristics of end-loaded piezoelectric cantilever bimorphs, a specific fixed-frequency and adjustable-amplitudeThe results show that an actuator excited by fixed-frequency and the adjustable-amplitude ramp voltage

Keywords： specific fixed-frequency     waveform     piezoelectric cantilever     mechanisms     adjustable-amplitude    

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Topology optimization of transient problem with maximum dynamic response constraint using SOAR scheme

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 593-606 doi: 10.1007/s11465-021-0636-4

Abstract: method for the continuum topology optimization of transient vibration problem with maximum dynamic responseAn aggregated index in the form of an integral function is presented to cope with the maximum responseThrough comparison with the corresponding static response from the final designs, the optimized results

Keywords： topology optimization     solid isotropic material with penalization     transient response     aggregation function    

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Dynamic response of precast segmental bridge columns under heavy truck impact

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 327-349 doi: 10.1007/s11709-023-0911-z

Abstract: Considering the wide application of precast segmental bridge columns (PSBCs) in engineering practice, impact-resistant performance has gained significant attention. However, few studies have focused on PSBCs subjected to high-energy impacts caused by heavy truck collisions. Therefore, the behavior of PSBCs under a heavy truck impact was investigated in this study using high-fidelity finite element (FE) models. The detailed FE modeling methods of the PSBCs and heavy trucks were validated against experimental tests. The validated modeling methods were employed to simulate collisions between PSBCs and heavy trucks. The simulation results demonstrated that the engine and cargo caused two major peak impact forces during collision. Subsequently, the impact force, failure mode, displacement, and internal force of the PSBCs under heavy truck impacts were scrutinized. An extensive study was performed to assess the influence of the section size, truck weight, impact velocity, and number of precast segments on the impact responses. The truck weight was found to have a minor effect on the engine impact force. Damage was found to be localized at the bottom of the three segments, with the top remaining primarily undamaged. This parametric study demonstrated that larger cross-sections may be a preferred option to protect PSBCs against the impact of heavy trucks.

Keywords： precast segmental bridge columns     heavy truck     collision     dynamic response    

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Dynamic response surface methodology using Lasso regression for organic pharmaceutical synthesis

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 221-236 doi: 10.1007/s11705-021-2061-y

Abstract: For utilizing such time-resolved data to model the dynamic behavior, dynamic response surface methodology

Keywords： data-driven modeling     pharmaceutical organic synthesis     Lasso regression     dynamic response surface methodology    

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Persistence of humoral and cellular immune response after SARS-CoV-2 infection: opportunities and challenges

Tangchun Wu

Frontiers of Medicine 2020, Volume 14, Issue 6,   Pages 816-819 doi: 10.1007/s11684-020-0823-4

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Title Author Date Type Operation

Air-bearing position optimization based on dynamic characteristics of ultra-precision linear stages

CHEN Xuedong, LI Zhixin

Journal Article

Research on direct digital process of inductance sensor

WANG Xuan-ze, YANG Lian-gen, ZHONG Yu-ning

Journal Article

Application of a Novel Fuzzy Clustering Method Based on Chaos Immune Evolutionary Algorithm for Edge Detection in Image Processing

Journal Article

Controlling nested wrinkle morphology through the boundary effect on narrow-band thin films

Hanyang XU, Tielin SHI, Guanglan LIAO, Qi XIA

Journal Article

Flow behavior of liquid-solid coupled system of piezoelectric micropump

LU Lijun, WU Jiankang

Journal Article

Separation and extraction of bridge dynamic strain data

Baijian WU, Zhaoxia LI, Ying WANG, T. H. T. CHAN,

Journal Article

Development of a seismic design method based on response spectra for building structures

ZHOU Xiyuan, YU Ruifang

Journal Article

Fatigue Life Prediction of Fiber Reinforced Metal Laminates Under Variable Amplitude Loading

Wu Xueren,Guo Yajun

Journal Article

Development of electrorheological chip and conducting polymer-based sensor

Xianzhou ZHANG, Weihua LI, Weijia WEN, Yanzhe WU, Gordon WALLACE,

Journal Article

Confining pressure effect on dynamic response of high rockfill dam

Xuexing CAO, Yunlong HE, Kun XIONG,

Journal Article

Impact drive rotary precision actuator with piezoelectric bimorphs

ZHANG Hongzhuang, ZENG Ping, HUA Shunming, CHENG Guangming, YANG Zhigang

Journal Article

Topology optimization of transient problem with maximum dynamic response constraint using SOAR scheme

Journal Article

Dynamic response of precast segmental bridge columns under heavy truck impact

Journal Article

Dynamic response surface methodology using Lasso regression for organic pharmaceutical synthesis

Journal Article

Persistence of humoral and cellular immune response after SARS-CoV-2 infection: opportunities and challenges

Tangchun Wu

Journal Article