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A new damage quantification approach for shear-wall buildings using ambient vibration data

Seung-Hun SUNG,Hyung-Jo JUNG

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 1,   Pages 17-25 doi: 10.1007/s11709-014-0278-2

Abstract: presents a new approach to estimate damage severity for shear-wall buildings using diagonal terms of a modalflexibility matrix estimated from dynamic properties.

Keywords： damage identification     modal flexibility     damage quantification     shear-wall buildings    

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Numerical analysis and experimental investigation of modal properties for the gearbox in wind turbine

Pengxing YI,Peng HUANG,Tielin SHI

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4,   Pages 388-402 doi: 10.1007/s11465-016-0404-z

Abstract: This paper examines the distinctive modal properties of WTGs through finite element (FE) and experimentalmodal analyses.First, a whole system model is developed to investigate the first 10 modal frequencies and mode shapesSecond, the FE modal results are validated through experimental modal analyses of a 1.5 WM WTG usingThe natural frequencies from the FE and experimental modal analyses show favorable agreement and reveal

Keywords： wind turbine gearbox     modal analysis     finite element analysis     modal frequency     bearing equivalence    

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Flexibility analysis and evaluation for joint venture of construction project contractors

Zhao Zhenyu,Yin Yin

Strategic Study of CAE 2008, Volume 10, Issue 9,   Pages 84-87

Abstract:

The environmental turbulence evaluation index and flexibility evaluationThe flexibility analysis can determine whether the various flexibility status of JV adapts to the competitionresults can assist to provide advice for the strategies and measures selection and adjust the JV's flexibility

Keywords： construction project     contractor     joint venture     flexibility management    

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Experimental and computational validation of a scaled train tunnel model using modal analysis

Janice B. D’SOUZA, Sangarapillai KANAPATHIPILLAI

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 420-428 doi: 10.1007/s11465-013-0281-7

Abstract: The modal properties for the 300 Hz to 1500 Hz range, including resonances and mode shapes were identified

Keywords： reverberation time     acoustic environment     modal properties     resonances    

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Variational mode decomposition based modal parameter identification in civil engineering

Mingjie ZHANG, Fuyou XU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1082-1094 doi: 10.1007/s11709-019-0537-3

Abstract: An out-put only modal parameter identification method based on variational mode decomposition (VMD) isdeveloped VMD technique is utilized to decompose the free decay response (FDR) of a structure into to modalA novel procedure is developed to calculate the instantaneous modal frequencies and instantaneous modalThe proposed identification method can straightforwardly extract the mode shape vectors using the modalparameter variation, and amplitude-dependent modal parameters, etc.

Keywords： modal parameter identification     variational mode decomposition     civil structure     nonlinear system     closely    

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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: In addition, a new method was compared with the linear modal-based damage assessment using wavelet transformWith better sensibility of damage than modal parameters, probably DRAS is a promising damage indicator

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

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network for damage detection in functionally graded carbon nanotube-reinforced composite plates using modal

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1453-1479 doi: 10.1007/s11709-021-0767-z

Abstract: The elemental modal kinetic energy (MKE) values, calculated from natural frequencies and translational

Keywords： deep feed-forward neural networks     functionally graded carbon nanotube-reinforced composite plates     modal    

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Control mode selection for modal control of long-span arch bridge

Zhengying LI, Zhengliang LI,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 401-406 doi: 10.1007/s11709-009-0052-z

Abstract: seismic control of arch bridge, a model reduction of long-span arch bridge was implemented based on modalAs for the critical mode selection, an approach based on the maximum modal displacement was presentedseismic excitation and is more reasonable than only considering dynamic bridge characteristics based on a modalThe numerical results show that the method of maximal modal displacement better analyze long-span arch

Keywords： selection     reduced-order     excitation     long-span     simplified    

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Experimental study of modal parameter identification in a simulated ambient-excited structure

JI Xiaodong, QIAN Jiaru, XU Longhe

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 281-285 doi: 10.1007/s11709-007-0036-9

Abstract: Structure modal parameter online identification was used to monitor the structural health as evidencednatural excitation technique and the eigensystem realization algorithm were combined to identify the modalThe experimental modal analysis was performed on a two-story steel braced frame model excited by simulated

Keywords： eigensystem realization     eigen-sensitivity analysis     realization algorithm     vibration     effective    

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Response in piled raft foundation of tall chimneys under along-wind load incorporating flexibility of

B. R. JAYALEKSHMI,S.V. JISHA,R. SHIVASHANKAR

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 3,   Pages 307-322 doi: 10.1007/s11709-015-0288-8

Abstract: reinforced concrete chimneys with piled raft foundation subjected to along-wind loads considering the flexibility

Keywords： finite element method     piled raft     tall chimney     soil-structure interaction     along-wind load    

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Review of

Yang YU, Jiafu TANG

Frontiers of Engineering Management 2019, Volume 6, Issue 2,   Pages 183-192 doi: 10.1007/s42524-019-0028-1

Abstract: This production mode is proposed to overcome the low flexibility of the assembly line.Benefits from production include rapid response, good flexibility, and high productivity.

Keywords： seru production     production mode     flexibility     literature review    

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A method of analysis for modal aero-damping of vibrating blade in incompressible flow

Jun XING, Lin LI,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 465-471 doi: 10.1007/s11708-009-0037-6

Abstract: model for aero-damping in a uniform incoming flow, the three-dimension analytical algorithm of the modalAccording to the analytical equations, the modal aero-damping ratio for different nature frequenciesthe factors to affect the aero-damping can be determined.The first bend and the first torsion’s modal

Keywords： compressor     different     three-dimension analytical     classical     low-speed    

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Design of a novel side-mounted leg mechanism with high flexibility for a multi-mission quadruped earth

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0740-0

Abstract: Various basic and specific LTs of the rover are demonstrated by simulation, which indicates that the flexibility

Keywords： design synthesis     parallel mechanism     hybrid leg mechanism     screw theory     quadruped robot    

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The Near β Forging Overthrows the Conventional Forging Theory and Develops a New Tri-modal Microstructure

Zhou Yigang,Zeng Weidong,Yu Hanqing

Strategic Study of CAE 2001, Volume 3, Issue 5,   Pages 61-66

Abstract: of microstructure in addition to the existing four titanium alloy microstructures (i.e. equiaxed, bi-modal

Keywords： titanium alloy     near beta forging     tri-modal microstructure    

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Demand Flexibility of Residential Buildings: Definitions, Flexible Loads, and Quantification Methods Review

Zhengyi Luo, Jinqing Peng, Jingyu Cao, Rongxin Yin, Bin Zou, Yutong Tan, Jinyue Yan

Engineering 2022, Volume 16, Issue 9,   Pages 123-140 doi: 10.1016/j.eng.2022.01.010

Abstract:

This paper reviews recent research on the demand flexibility of residentialA systematic distinction of the terminology is made, including the demand flexibility, operation flexibility, and energy flexibility of buildings.Moreover, the flexibility capabilities and operation characteristics of the main residential flexibleModels and evaluation indicators to quantify the flexibility of these flexible loads are reviewed and

Keywords： Residential building     Demand flexibility     Flexible loads     Modeling techniques     Quantification indicators    

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Title Author Date Type Operation

A new damage quantification approach for shear-wall buildings using ambient vibration data

Seung-Hun SUNG,Hyung-Jo JUNG

Journal Article

Numerical analysis and experimental investigation of modal properties for the gearbox in wind turbine

Pengxing YI,Peng HUANG,Tielin SHI

Journal Article

Flexibility analysis and evaluation for joint venture of construction project contractors

Zhao Zhenyu,Yin Yin

Journal Article

Experimental and computational validation of a scaled train tunnel model using modal analysis

Janice B. D’SOUZA, Sangarapillai KANAPATHIPILLAI

Journal Article

Variational mode decomposition based modal parameter identification in civil engineering

Mingjie ZHANG, Fuyou XU

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

network for damage detection in functionally graded carbon nanotube-reinforced composite plates using modal

Journal Article

Control mode selection for modal control of long-span arch bridge

Zhengying LI, Zhengliang LI,

Journal Article

Experimental study of modal parameter identification in a simulated ambient-excited structure

JI Xiaodong, QIAN Jiaru, XU Longhe

Journal Article

Response in piled raft foundation of tall chimneys under along-wind load incorporating flexibility of

B. R. JAYALEKSHMI,S.V. JISHA,R. SHIVASHANKAR

Journal Article

Review of

Yang YU, Jiafu TANG

Journal Article

A method of analysis for modal aero-damping of vibrating blade in incompressible flow

Jun XING, Lin LI,

Journal Article

Design of a novel side-mounted leg mechanism with high flexibility for a multi-mission quadruped earth

Journal Article

The Near β Forging Overthrows the Conventional Forging Theory and Develops a New Tri-modal Microstructure

Zhou Yigang,Zeng Weidong,Yu Hanqing

Journal Article

Demand Flexibility of Residential Buildings: Definitions, Flexible Loads, and Quantification Methods

Zhengyi Luo, Jinqing Peng, Jingyu Cao, Rongxin Yin, Bin Zou, Yutong Tan, Jinyue Yan

Journal Article