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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: parameter identification for both linear and nonlinear civil structures, including structures with closelyspaced modes, sudden modal parameter variation, and amplitude-dependent modal parameters, etc.

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

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Linear and nonlinear elastic analysis of closely spaced strip foundations using Pasternak model

Priyanka GHOSH, S. RAJESH, J. SAI CHAND

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 228-243 doi: 10.1007/s11709-016-0370-x

Abstract: In this study, an attempt is made to determine the interaction effect of two closely spaced strip footings

Keywords： bearing capacity     linear and non-linear elasticity     foundation     interaction effect     numerical modeling     Pasternak model    

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Structural design and mechanical responses of closely spaced super-span double tunnels in strongly weathered

Jiaxin HE; Shaohui HE; Xiabing LIU; Jinlei ZHENG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 685-703 doi: 10.1007/s11709-022-0824-2

Abstract: This paper presents a study of closely spaced double tunnels in Taizhou, China.

Keywords： double tunnels     super-span     structural design     mechanical response     numerical simulation     field monitoring    

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The impact of different voltage application modes on biodegradation of chloramphenicol and shift of microbial

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1576-x

Abstract:

● Presented coupled system enhanced biodegradation of antibiotic chloramphenicol.

Keywords： Electrical stimulation     Biodegradation     Microbial community     Chloramphenicol    

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Experimental analysis on strength and failure modes of wood beam-column connections

Zhenhua HUANG,Sheldon Q SHI,Liping CAI

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 260-269 doi: 10.1007/s11709-014-0261-y

Abstract: This research experimentally examined the strength, failure modes, and behaviors of dowel-bearing andfiber-bearing wood beam-column connections and explored the effects of cyclic loading on the strength, failure modes

Keywords： wood     connection     dowel-bearing     fiber-bearing    

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Optimization for operating modes based on simulation of seasonal underground thermal energy storage

ZHAO Jun, CHEN Yan, LI Xinguo

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 298-301 doi: 10.1007/s11708-008-0053-y

Abstract: A simulation study was performed to study the influence of system operation modes on thermal recoveryindicate a thermal recovery ratio of less than 67% and different temperature distributions under three modes
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Multi-scale investigation of active failure for various modes of wall movement

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 961-979 doi: 10.1007/s11709-021-0738-4

Abstract: Hence, various modes of wall movement (translation and rotation) toward the active state are modeledon pressure distribution and deformation mechanisms are discussed with reference to the associated modes

Keywords： discrete-element modelling     granular materials     retaining walls     particle shape     arching    

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Bi-modes alternation stepping ultrasonic motors

JIN Jiamei, ZHAO Chunsheng

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 101-105 doi: 10.1007/s11465-008-0018-1

Abstract: Based on the principle of alternative operation of two bending vibration modes in an annular stator,The driving forces are generated from the motions of projections on the stator in two modes.

Keywords： miss-step     bi-direction     Two-phase sinusoidal     positioning     accumulative    

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Improvement to observability measures of LFO modes in power systems with DFIGs

Shenghu LI

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 539-549 doi: 10.1007/s11708-019-0617-z

Abstract: Observation of the low-frequency oscillation (LFO) modes in power systems is important to design theequations of the power system with the doubly-fed induction generators (DFIGs) are derived to find the LFO modesthe observability measure is improved to consider the initial output and the attenuation speed of the modesThe numerical results from the small and large-disturbance validate the LFO modes caused by the DFIGs

Keywords： wind power system     low-frequency oscillation (LFO)     observability measure     sensitivity     doubly-fed induction generator (DFIG)    

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Macro-architectured cellular materials: Properties, characteristic modes, and prediction methods

Zheng-Dong MA

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3,   Pages 442-459 doi: 10.1007/s11465-018-0488-8

Abstract: The characteristic modes and the stress recovery process used to predict the stress distribution inside

Keywords： architectured material     cellular materials     multi-scale modeling     homogenization method     effective material properties     computational method    

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Performance of completely autotrophic nitrogen removal over nitrite process under different aeration modes

GUO Jinsong, YANG Guohong, FANG Fang, QIN Yu

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 439-445 doi: 10.1007/s11783-008-0046-4

Abstract: performance of completely autotrophic nitrogen removal over nitrite (CANON) process under different aeration modes

Keywords： Synthetic wastewater     process     Whereas     biofilm     detection    

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Performance monitoring of non-gaussian chemical processes with modes-switching using globality-locality

Xin Peng, Yang Tang, Wenli Du, Feng Qian

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 3,   Pages 429-439 doi: 10.1007/s11705-017-1675-6

Abstract: In this paper, we propose a novel performance monitoring and fault detection method, which is based on modified structure analysis and globality and locality preserving (MSAGL) projection, for non-Gaussian processes with multiple operation conditions. By using locality preserving projection to analyze the embedding geometrical manifold and extracting the non-Gaussian features by independent component analysis, MSAGL preserves both the global and local structures of the data simultaneously. Furthermore, the tradeoff parameter of MSAGL is tuned adaptively in order to find the projection direction optimal for revealing the hidden structural information. The validity and effectiveness of this approach are illustrated by applying the proposed technique to the Tennessee Eastman process simulation under multiple operation conditions. The results demonstrate the advantages of the proposed method over conventional eigendecomposition-based monitoring methods.

Keywords： non-Gaussian processes     subspace projection     independent component analysis     locality preserving projection     finite mixture model    

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Future Modes of Fuel Bioethanol Industry

Wang Meng, Tian Xiaojun, Chen Biqiang, Lin Hailong, Yue Guojun

Strategic Study of CAE 2020, Volume 22, Issue 2,   Pages 47-54 doi: 10.15302/J-SSCAE-2020.02.007

Abstract: analyzes the status and problems of the fuel bioethanol industry, and proposes the general idea for future modesbetween industry, universities, and research institutions should be strengthened to innovate production modes

Keywords： fuel bioethanol     intelligent production     safety production     future modes    

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Atomistic characterization of binding modes and affinity of peptide inhibitors to amyloid-

Fufeng LIU,Wenjie DU,Yan SUN,Jie ZHENG,Xiaoyan DONG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 433-444 doi: 10.1007/s11705-014-1454-6

Abstract: However, atomic details of binding modes and binding affinities between these peptide inhibitors andMM/PBSA analysis further revealed that different peptide inhibitors have different modes of interaction

Keywords： Alzheimer’s disease     amyloid β-protein     peptide inhibitors     protein-protein interaction     molecular dynamics simulation    

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Characteristics and energy distribution of modulated multi-pulse injection modes based diesel HCCI combustion

LIU Bin, SU Wanhua, WANG Hui, HUANG Haozhong

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 420-427 doi: 10.1007/s11708-007-0061-7

Abstract: homogenous charge compression ignition (HCCI) combustion organized by modulated multi-pulse injection modes

Keywords： combustion     compression     homogenous     in-cylinder     modulated multi-pulse    

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Title Author Date Type Operation

Variational mode decomposition based modal parameter identification in civil engineering

Mingjie ZHANG, Fuyou XU

Journal Article

Linear and nonlinear elastic analysis of closely spaced strip foundations using Pasternak model

Priyanka GHOSH, S. RAJESH, J. SAI CHAND

Journal Article

Structural design and mechanical responses of closely spaced super-span double tunnels in strongly weathered

Jiaxin HE; Shaohui HE; Xiabing LIU; Jinlei ZHENG

Journal Article

The impact of different voltage application modes on biodegradation of chloramphenicol and shift of microbial

Journal Article

Experimental analysis on strength and failure modes of wood beam-column connections

Zhenhua HUANG,Sheldon Q SHI,Liping CAI

Journal Article

Optimization for operating modes based on simulation of seasonal underground thermal energy storage

ZHAO Jun, CHEN Yan, LI Xinguo

Journal Article

Multi-scale investigation of active failure for various modes of wall movement

Journal Article

Bi-modes alternation stepping ultrasonic motors

JIN Jiamei, ZHAO Chunsheng

Journal Article

Improvement to observability measures of LFO modes in power systems with DFIGs

Shenghu LI

Journal Article

Macro-architectured cellular materials: Properties, characteristic modes, and prediction methods

Zheng-Dong MA

Journal Article

Performance of completely autotrophic nitrogen removal over nitrite process under different aeration modes

GUO Jinsong, YANG Guohong, FANG Fang, QIN Yu

Journal Article

Performance monitoring of non-gaussian chemical processes with modes-switching using globality-locality

Xin Peng, Yang Tang, Wenli Du, Feng Qian

Journal Article

Future Modes of Fuel Bioethanol Industry

Wang Meng, Tian Xiaojun, Chen Biqiang, Lin Hailong, Yue Guojun

Journal Article

Atomistic characterization of binding modes and affinity of peptide inhibitors to amyloid-

Fufeng LIU,Wenjie DU,Yan SUN,Jie ZHENG,Xiaoyan DONG

Journal Article

Characteristics and energy distribution of modulated multi-pulse injection modes based diesel HCCI combustion

LIU Bin, SU Wanhua, WANG Hui, HUANG Haozhong

Journal Article