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Development of Novel Network Architectures

Ouyang Man, Liu Jiang, Liao Xinyue, Huang Tao

Strategic Study of CAE 2022, Volume 24, Issue 4,   Pages 12-21 doi: 10.15302/J-SSCAE-2022.04.002

Abstract: The space segment is divided into LEO satellites and inter-satellite links that use onboard processingThe user segment covers all terrestrial terminals such as vehicles, shipboard terminals, and satellite

4.1.2 Segment routing technology

Segment routing (SR) is a representative technology for SDN in backbone networks, with the advantageSegment labels are local and global labels that represent the topology or type of instruction.

Keywords： novel network architecture     revolutionary and evolutionary networks     deterministic network     segment routing    

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Group-based multiple pipe routing method for aero-engine focusing on parallel layout

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 798-813 doi: 10.1007/s11465-021-0645-3

Abstract: External pipe routing for aero-engine in limited three-dimensional space is a typical nondeterministicThis paper presents an automatic multiple pipe routing method for aero-engine that focuses on parallel

Keywords： multiple pipe routing     optimization algorithm     aero-engine     pipe grouping     parallel layout    

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Bending failure performance of a shield tunnel segment based on full-scale test and numerical analysis

Frontiers of Structural and Civil Engineering   Pages 1033-1046 doi: 10.1007/s11709-023-0973-y

Abstract: This study focuses on the bending failure performance of a shield tunnel segment.little effect on the cracking load but significantly influenced the failure and ultimate loads of the segmentIt is suggested that in the reinforcement design of the subway segment, the reinforcement ratio and thelongitudinal reinforcement can be chosen in the range of 0.7%–1.2% and 49%–55%, respectively, allowing the segmentuse the reinforcement and exert the design strength, thereby improving the bearing capacity of the segment

Keywords： shield tunnel     bearing capacity     failure mechanism     segment reinforcement    

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Enhanced solution representations for vehicle routing problems with split deliveries

Frontiers of Engineering Management   Pages 483-498 doi: 10.1007/s42524-023-0259-z

Abstract: In this study, we investigate a forest-based solution representation for split delivery vehicle routingproblems (SDVRPs), which have several practical applications and are among the most difficult vehicle routing

Keywords： vehicle routing     multidepot     time windows     tabu search     split delivery    

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Manufacturing technique and performance of functionally graded concrete segment in shield tunnel

Baoguo MA, Dinghua ZOU, Li XU

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 101-104 doi: 10.1007/s11709-009-0011-8

Abstract: The quality of segment is very important to the service life of shield tunnel.functionally graded materials was introduced to design and produce the functionally graded concrete segment

Keywords： shield tunnel     functionally graded concrete segment (FGCS)     manufacturing technology     performance    

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A review on the electric vehicle routing problems: Variants and algorithms

Hu QIN , Xinxin SU, Teng REN, Zhixing LUO

Frontiers of Engineering Management 2021, Volume 8, Issue 3,   Pages 370-389 doi: 10.1007/s42524-021-0157-1

Abstract: electric vehicles (EVs) have been considered in a growing number of models and methods for vehicle routingThis study presents a comprehensive survey of EV routing problems and their many variants.Electric traveling salesman problem, green VRP, electric VRP, mixed electric VRP, electric location routing

Keywords： electric vehicles     routing     recharging stations     exact algorithms     metaheuristics    

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A redundantly actuated PRPRP radial mechanism in the segment erector of a shield machine for synchronization

Wanghui BU, Zhenyu LIU, Jianrong TAN, Jin CHENG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 463-467 doi: 10.1007/s11465-011-0225-z

Abstract:

The shield machine is a heavy construction machine for tunnel excavation, and the segment erectorHence, this paper proposes a redundantly actuated PRPRP radial mechanism for the segment erector.

Keywords： redundant actuation     parallel mechanisms     five-bar mechanisms     segment erectors     shield machines    

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Drive system design and error analysis of the 6 degrees of freedom segment erector of shield tunneling

Hu SHI, Guofang GONG, Huayong YANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 369-376 doi: 10.1007/s11465-011-0223-1

Abstract:

Focusing on a segment erector of a shield-tunneling machine developed with 6 degrees of freedom (DOF) and controlled by electro-hydraulic proportional systems, the kinematics of the segment erection processFormulas for calculating the position and attitude error of the grip hand of the segment erector areerror analysis, providing a foundation for practical designing, manufacturing, and assembling of the segment

Keywords： shield tunneling machine     segment erector     kinematics     position and attitude precision    

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The influence of hand hole on the ultimate strength and crack pattern of shield tunnel segment joints

Shaochun WANG, Xi JIANG, Yun BAI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1200-1213 doi: 10.1007/s11709-019-0546-2

Abstract: The hand hole acts as a weak point and initial damage in the segment joint especially when the circumferentialMoreover, segment joints with MSSF are also tested to evaluate the effects of MSSF on the failure modeand structural performance of the segment joints.A \ /-type crack pattern is always observed before the final failure of the segment joints.The segment joint with MSSF shows higher ultimate bearing capacity and toughness compared to segment

Keywords： shield tunneling     structural synthetic fiber concrete     hand hole     segment joint     ultimate bearing capacity    

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Branch-pipe-routing approach for ships using improved genetic algorithm

Haiteng SUI,Wentie NIU

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3,   Pages 316-323 doi: 10.1007/s11465-016-0384-z

Abstract:

Branch-pipe routing plays fundamental and critical roles in ship-pipe design.The branch-pipe-routing problem is a complex combinatorial optimization problem and is thus difficult

Keywords： branch pipe     ship industry     piping system     optimization algorithm    

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Calculation of prestressed anchor segment by 3D infinite element

Yanfen WANG, Hongyang XIE, Yuanhan WANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 63-66 doi: 10.1007/s11709-009-0006-5

Abstract: coupled with 8-node finite elements to compute the compressive deformation of the prestressed anchor segmentThe results indicate that when the prestressed force acts on the anchor segment, the stresses and displacementsin the rock around the anchor segment are concentrated in the zone center with the anchor axis and are

Keywords： infinite element     prestressed anchor     couple     finite element    

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Shield Driven Tunneling in the Complex Layer：Direction Control of Shield and Preventing Segment Crack

Tan Zhongsheng,Hong Kairong,Wan Jianglin,Wang Mengshu

Strategic Study of CAE 2006, Volume 8, Issue 12,   Pages 92-96

Abstract: Furthermore, it is also difficult to prevent segment crack and local failure and dislocation of segmentThe main cause of segment crack and local failure of segment, were also studied with numerical simulation, and methods to control segment crack were brought forward.

Keywords： mixed ground     tunnel     attitude control     segment crack     segment dislocation    

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Sensory innervation of the anterior eye segment in rats: a retrograde tracing study

Haixia LIU MD , Zhiwang LI MD , Min YANG MD , Xiang TIAN MS , Chaoying LI PhD , Lei PEI PhD ,

Frontiers of Medicine 2009, Volume 3, Issue 3,   Pages 352-356 doi: 10.1007/s11684-009-0065-y

Abstract: This study aimed to investigate the sensory innervation of the anterior eye segment in rats by retrogradeIn our study, the sensory innervation of distinct elements of the anterior segment of the rat’s

Keywords： trigeminal ganglion     retrograde tracing    

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Dynamical Fast IP-Routing Lookup Algorithm

Liu Yalin

Strategic Study of CAE 2002, Volume 4, Issue 7,   Pages 60-68

Abstract:

This paper proposes a dynamical fast IP-routing lookup algorithm (DFR).

Keywords： prefix expansion     dynamical fast IP-routing lookup algorithm (DFR)     route     route lookup    

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Assembling and defect treatment of large-diameter shield segment

Cheng Xuewu,Xu Weiqing,Yang Zhiyong

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 89-93

Abstract:

In the paper, the segment assembling techniques of large-diameter shieldand the apparent damage reasons and repair technology of large-diameter shield reinforced concrete segmentbelow hance, respectively, assuring the good strength and surface quality of large-diameter shield segment

Keywords： large-diameter shield     segment     assembling     repair    

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Title Author Date Type Operation

Development of Novel Network Architectures

Ouyang Man, Liu Jiang, Liao Xinyue, Huang Tao

Journal Article

Group-based multiple pipe routing method for aero-engine focusing on parallel layout

Journal Article

Bending failure performance of a shield tunnel segment based on full-scale test and numerical analysis

Journal Article

Enhanced solution representations for vehicle routing problems with split deliveries

Journal Article

Manufacturing technique and performance of functionally graded concrete segment in shield tunnel

Baoguo MA, Dinghua ZOU, Li XU

Journal Article

A review on the electric vehicle routing problems: Variants and algorithms

Hu QIN , Xinxin SU, Teng REN, Zhixing LUO

Journal Article

A redundantly actuated PRPRP radial mechanism in the segment erector of a shield machine for synchronization

Wanghui BU, Zhenyu LIU, Jianrong TAN, Jin CHENG

Journal Article

Drive system design and error analysis of the 6 degrees of freedom segment erector of shield tunneling

Hu SHI, Guofang GONG, Huayong YANG

Journal Article

The influence of hand hole on the ultimate strength and crack pattern of shield tunnel segment joints

Shaochun WANG, Xi JIANG, Yun BAI

Journal Article

Branch-pipe-routing approach for ships using improved genetic algorithm

Haiteng SUI,Wentie NIU

Journal Article

Calculation of prestressed anchor segment by 3D infinite element

Yanfen WANG, Hongyang XIE, Yuanhan WANG

Journal Article

Shield Driven Tunneling in the Complex Layer：Direction Control of Shield and Preventing Segment Crack

Tan Zhongsheng,Hong Kairong,Wan Jianglin,Wang Mengshu

Journal Article

Sensory innervation of the anterior eye segment in rats: a retrograde tracing study

Haixia LIU MD , Zhiwang LI MD , Min YANG MD , Xiang TIAN MS , Chaoying LI PhD , Lei PEI PhD ,

Journal Article

Dynamical Fast IP-Routing Lookup Algorithm

Liu Yalin

Journal Article

Assembling and defect treatment of large-diameter shield segment

Cheng Xuewu,Xu Weiqing,Yang Zhiyong

Journal Article