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Theory analysis and system identification methods on thermal dynamics characteristics of ballscrews

XIA Junyong, HU Youmin, WU Bo, SHI Tielin

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 408-415 doi: 10.1007/s11465-008-0061-y

Abstract: methods for system identification (the least square system identification and BP artificial neural network

Keywords： square system     network     vertical miller     transfer     ANN    

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The Next Generation of Network Architecture

Li Guojie

Strategic Study of CAE 2002, Volume 4, Issue 8,   Pages 40-43

Abstract:

This paper summarized the agreement and divergence about viewpoints of the next generation of networkIt pointed out that much attention should be paid to the researches on network architecture, includingFinally, the importance of basic researches on the Internet, such as the network dynamics, is also put

Keywords： network architecture     optical communication     packet switch     UNI     NNI     Internet dynamics    

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A Spatial–Temporal Network Perspective for the Propagation Dynamics of Air Traffic Delays Article

Qing Cai, Sameer Alam, Vu N. Duong

Engineering 2021, Volume 7, Issue 4,   Pages 452-464 doi: 10.1016/j.eng.2020.05.027

Abstract: An understanding of delay propagation dynamics is pertinent to modern air traffic management.In this work, we present a complex network perspective of delay propagation dynamics.networks, we suggest three metrics—magnitude, severity, and speed—to gauge delay propagation dynamicsThe delay propagation dynamics reveal that about six hub airports in the SAR have significant propagated

Keywords： Air traffic     Transport systems     Delay propagation dynamics     Spatial–temporal networks    

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Dynamic aspects of domination networks Personal View

Yu-xian LIU, Ronald ROUSSEAU

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 4,   Pages 635-648 doi: 10.1631/FITEE.1800553

Abstract: The changes in the graph resulting from network dynamics are studied.Dynamics are operationalized in terms of added nodes and links.As such, we provide examples of a dominance structure in a directed, acyclic network.We calculate the change in the D-measure, which is a measure expressing the degree of dominance in a networkwhen nodes are added to an existing simple network.

Keywords： Domination     Power structure     Digraphs     Network dynamics    

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A Cyber-Physical Routing Protocol Exploiting Trajectory Dynamics for Mission-Oriented Flying Ad Hoc Article

Die Hu, Shaoshi Yang, Min Gong, Zhiyong Feng, Xuejun Zhu

Engineering 2022, Volume 19, Issue 12,   Pages 217-227 doi: 10.1016/j.eng.2021.10.022

Abstract:

As a special type of mobile ad hoc network (MANET), the flying ad hoc network (FANETbased on cross-disciplinary integration, which makes full use of the mission-determined trajectory dynamicslower overhead and lower average end-to-end latency, while maintaining a reasonably moderate and stable network

Keywords： Cyber-physical system     Flying ad hoc network (FANET)     Routing protocol     Trajectory dynamics     Unmanned    

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Computational fluid dynamics simulation of aerosol transport and deposition

Yingjie TANG, Bing GUO

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 362-377 doi: 10.1007/s11783-011-0365-8

Abstract: In this article computational fluid dynamics (CFD) simulation of aerosol transport and deposition, i.e

Keywords： computational fluid dynamics (CFD)     aerosol     transport     deposition    

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Recent developments in passive interconnected vehicle suspension

Wade A. SMITH, Nong ZHANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 1-18 doi: 10.1007/s11465-009-0092-z

Abstract: A finite-element-method-based approddach for modelling the transient dynamics of an HIS vehicle is also

Keywords： interconnected suspensions     rollover prevention     vehicle dynamics     ride comfort     multibody system dynamics     hydraulic system dynamics    

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Nonlinear dynamics of a wind turbine tower

A. GESUALDO, A. IANNUZZO, F. PENTA, M. MONACO

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 342-350 doi: 10.1007/s11465-019-0524-3

Abstract: Nonlinear dynamics is the most reliable among such methods.

Keywords： nonlinear dynamics     plastic shear failure     modal approximation     time history    

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Effect of ligand chain length on hydrophobic charge induction chromatography revealed by molecular dynamics

Lin ZHANG, Yan SUN

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 4,   Pages 456-463 doi: 10.1007/s11705-013-1357-y

Abstract: desorption, and conformational transition of the proteins with CL2 and CL4 were examined using molecular dynamics

Keywords： adsorption     desorption     irreversibility     protein conformational transition     molecular dynamics simulation    

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Applying system dynamics to strategic decision making in construction

SangHyun LEE

Frontiers of Engineering Management 2017, Volume 4, Issue 1,   Pages 35-40 doi: 10.15302/J-FEM-2017002

Abstract: The author discusses the application of System Dynamics to high-level strategic simulation in constructionIn particular, System Dynamics’ strength on representing feedback processes, aggregation, soft variablesFrom this exercise, it is concluded that System Dynamics offers a great potential for strategic simulationFurther, the author proposes a comprehensive simulation framework that integrates System Dynamics and

Keywords： strategic project management     construction management     system dynamics     feedback process     hybrid simulation    

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Model reduction of contact dynamics simulation using a modified Lyapunov balancing method

Jianxun LIANG, Ou MA, Caishan LIU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 383-391 doi: 10.1007/s11465-011-0244-9

Abstract:

Finite element models are often used to simulate impact and contact dynamics responses of multibodyefficiency of finite element based simulations, these techniques cannot be readily applied to contact dynamicssimulations due to the high nonlinearity of the contact dynamics models.This paper presents a model reduction approach for finite-element based multibody contact dynamics simulation

Keywords： contact dynamics     dynamic simulation     model reduction     finite element method    

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Nonlinear dynamics and analysis of a four-bar linkage with clearance

Yuanguang TANG, Zongyu CHANG, Xiaogang DONG, Yafei HU, Zhenjiang YU

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 160-168 doi: 10.1007/s11465-013-0258-6

Abstract:

In this paper, nonlinear dynamic behavior of a four-bar linkage considering clearance is studied. The dynamic model of the linkage with a clearance between coupler and rocker is developed firstly. Then the dynamic equations of this mechanism are solved by a numerical method. According to the calculated response, compliance, force and trajectory of pin in joint bearing are obtained. Effects of clearance magnitude and the relationship between a mechanism with clearance and without clearance are studied. By using Poincare Map, it is proved that strange attractors or chaos exist in the dynamic response. In addition, phenomena of chaos, periodic response and subharmonic response also can be found in the special condition. Bifurcation diagram is used to suggest that bifurcation and fractal phenomena exist in the dynamic response of this mechanism.

Keywords： four-bar linkage     chaos     bifurcation     strange attractors     dynamics    

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Water film coated composite liquid metal marble and its fluidic impact dynamics phenomenon

Yujie DING,Jing LIU

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 29-36 doi: 10.1007/s11708-015-0388-0

Abstract: composite liquid metal marble made of metal droplet coated with water film was proposed and its impact dynamics

Keywords： liquid metal marble     metallic droplet     composite fluid     impact dynamics     multiphase fluid mechanics    

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understanding of interfacial processing mechanism of silicon in water environment: A ReaxFF molecular dynamics

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 570-579 doi: 10.1007/s11465-021-0642-6

Abstract: The interfacial wear between silicon and amorphous silica in water environment is critical in numerous applications. However, the understanding regarding the micro dynamic process is still unclear due to the limitations of apparatus. Herein, reactive force field simulations are utilized to study the interfacial process between silicon and amorphous silica in water environment, exploring the removal and damage mechanism caused by pressure, velocity, and humidity. Moreover, the reasons for high removal rate under high pressure and high velocity are elucidated from an atomic perspective. Simulation results show that the substrate is highly passivated under high humidity, and the passivation layer could alleviate the contact between the abrasive and the substrate, thus reducing the damage and wear. In addition to more Si-O-Si bridge bonds formed between the abrasive and the substrate, new removal pathways such as multibridge bonds and chain removal appear under high pressure, which cause higher removal rate and severer damage. At a higher velocity, the abrasive can induce extended tribochemical reactions and form more interfacial Si-O-Si bridge bonds, hence increasing removal rate. These results reveal the internal cause of the discrepancy in damage and removal rate under different conditions from an atomic level.

Keywords： silicon     ReaxFF     molecular dynamics     friction     damage    

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styrene-butadiene-styrene copolymer on the aging resistance of asphalt: An atomistic understanding from reactive molecular dynamics

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1261-1276 doi: 10.1007/s11709-021-0761-5

Abstract: characteristics of base asphalt and SBS-modified asphalt by reaction force field (ReaxFF) and classical molecular dynamics

Keywords： SBS asphalt     oxidative aging     asphalt hardening     ReaxFF     molecular dynamics    

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Title Author Date Type Operation

Theory analysis and system identification methods on thermal dynamics characteristics of ballscrews

XIA Junyong, HU Youmin, WU Bo, SHI Tielin

Journal Article

The Next Generation of Network Architecture

Li Guojie

Journal Article

A Spatial–Temporal Network Perspective for the Propagation Dynamics of Air Traffic Delays

Qing Cai, Sameer Alam, Vu N. Duong

Journal Article

Dynamic aspects of domination networks

Yu-xian LIU, Ronald ROUSSEAU

Journal Article

A Cyber-Physical Routing Protocol Exploiting Trajectory Dynamics for Mission-Oriented Flying Ad Hoc

Die Hu, Shaoshi Yang, Min Gong, Zhiyong Feng, Xuejun Zhu

Journal Article

Computational fluid dynamics simulation of aerosol transport and deposition

Yingjie TANG, Bing GUO

Journal Article

Recent developments in passive interconnected vehicle suspension

Wade A. SMITH, Nong ZHANG,

Journal Article

Nonlinear dynamics of a wind turbine tower

A. GESUALDO, A. IANNUZZO, F. PENTA, M. MONACO

Journal Article

Effect of ligand chain length on hydrophobic charge induction chromatography revealed by molecular dynamics

Lin ZHANG, Yan SUN

Journal Article

Applying system dynamics to strategic decision making in construction

SangHyun LEE

Journal Article

Model reduction of contact dynamics simulation using a modified Lyapunov balancing method

Jianxun LIANG, Ou MA, Caishan LIU

Journal Article

Nonlinear dynamics and analysis of a four-bar linkage with clearance

Yuanguang TANG, Zongyu CHANG, Xiaogang DONG, Yafei HU, Zhenjiang YU

Journal Article

Water film coated composite liquid metal marble and its fluidic impact dynamics phenomenon

Yujie DING,Jing LIU

Journal Article

understanding of interfacial processing mechanism of silicon in water environment: A ReaxFF molecular dynamics

Journal Article

styrene-butadiene-styrene copolymer on the aging resistance of asphalt: An atomistic understanding from reactive molecular dynamics

Journal Article