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Two-echelon Emergency Response Problem and Simulation Considering Secondary Disasters

Han-peng Zhang,Yi Liao,Hui-xia Luo

Frontiers of Engineering Management 2014, Volume 1, Issue 3,   Pages 318-321 doi: 10.15302/J-FEM-2014042

Abstract: The goal of this research is to develop a two-echelon emergency resource distribution model under conditionmaximize relief time as criterion of relief performance, we developed response strategies and simulation model

Keywords： simulation     secondary disasters     two-echelon vehicle routing model    

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A two-echelon （S-1，S） inventory model for repairable items based on markovian arrival process

Chen Tong,Li Fang and Di Peng

Strategic Study of CAE 2015, Volume 17, Issue 5,   Pages 113-119

Abstract:

This paper investigates a two-echolon inventory system with （S-1，S） policy that consists of severalThen a inventory optimization model with better description ability and analytical performance is givenFinally， a numerical example was given to illustrate the effectiveness of the model.

Keywords： （S-1，S） policy；two-echelon inventory；repairable item；markovian arrival process    

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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 vehiclerouting problems.

Keywords： vehicle routing     multidepot     time windows     tabu search     split delivery    

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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: decade, electric vehicles (EVs) have been considered in a growing number of models and methods for vehiclerouting problems (VRPs).This study presents a comprehensive survey of EV routing problems and their many variants.We only consider the problems in which each vehicle may visit multiple vertices and be recharged duringproblem, hybrid electric VRP, electric dial-a-ride problem, electric two-echelon VRP, and electric pickup

Keywords： electric vehicles     routing     recharging stations     exact algorithms     metaheuristics    

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Application Research on Vehicle Routing Problem With Time Windows Based on Dynamic Ant Algorithm

Liu Yunzhong,Xuan Huiyu

Strategic Study of CAE 2005, Volume 7, Issue 12,   Pages 35-40

Abstract: This paper further extends the idea of this new biological optimization strategy to vehicle routing problem

Keywords： ant algorithm     vehicle routing problem with time windows     logistic management     dynamic    

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Spatiotemporal distance embedded hybrid ant colony algorithm for a kind of vehicle routing problem with Research Article

Zhenhui FENG, Renbin XIAO,feng_zh@hust.edu.cn,rbxiao@hust.edu.cn

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 7,   Pages 1062-1079 doi: 10.1631/FITEE.2200585

Abstract: environment, where the problem is based on user orders, and each order has a reservation time limit and twoIt is a typical extended vehicle routing problem (VRP) with both time and space constraints.We consider the VRPC problem characteristics and establish a vehicle scheduling model to minimize operatingTo solve the scheduling model more accurately, a spatiotemporal distance representation function is definedThe algorithm can be divided into two stages.

Keywords： Vehicle routing problem with constraints (VRPC)     Spatiotemporal distance function     Labor division strategy    

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Extended two-fluid model applied to analysis of bubbly flow in multiphase rotodynamic pump impeller

Zhiyi YU, Guoyu WANG, Shuliang CAO

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 53-59 doi: 10.1007/s11465-009-0006-0

Abstract: This paper presents an extended two-fluid model based on the Navier-Stokes equations and the standardturbulence model, to simulate the three-dimensional air-water bubbly flow in turbo machinery.The discrete equations are solved using a developed two-phase semi-implicit method for pressure-linkedSimulation is then carried out for the pure liquid flow and air-water two-phase flow with the inlet gasComparison with experimental results shows the reliability and commonality of the numerical model.

Keywords： two-fluid model     multiphase rotodynamic pump     SIMPLEC algorithm     numerical simulation    

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Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 313-319 doi: 10.1007/s11783-009-0025-4

Abstract: The first-order kinetics and two-stage reaction (FKTSR) model of the LFG generation rate includes mechanismsof the nutrient balance for biochemical reaction in two main stages.The model calibration was then calculated by using the experimental data.The results suggested that the new model was in line with the experimental data.The new model is better able to explain the mechanisms involved in LFG generation.

Keywords： landfill gas (LFG)     generation rate model     first-order kinetics     two-stage reaction     outflow function    

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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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Statics of levitated vehicle model with hybrid magnets

Desheng LI, Zhiyuan LU, Tianwu DONG

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 35-39 doi: 10.1007/s11465-009-0002-4

Abstract: By studying the special characteristics of permanent and electronic magnets, a levitated vehicle modelThe mathematical model of the vehicle is built based on its dynamics equation by studying its machineBased on the model, the basic characteristics and the effect between the excluding forces from permanentBased on the structure above, the vehicle can levitate steadily by control system adjustment.

Keywords： magnetic levitation     permanent magnet     modeling     equilibrium    

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Sectional model test study on vortex-excited resonance of vehicle-bridge system of Shanghai Bridge over

Li ZHOU, Yaojun GE

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 67-72 doi: 10.1007/s11709-009-0007-4

Abstract: It is necessary to study how vehicles influence the vortex-excited resonance of vehicle-bridge systemsthe Shanghai Bridge over the Yangtse River, the vortex-excited resonance of a 1∶60 scale sectional modelThe conversion relationships between the resonant amplitudes of the sectional model and that of the prototypeTherefore, the influence of vehicles on vortex-excited resonance performance of vehicle-bridge systems

Keywords： vehicle-bridge system     sectional mode     vortex-excited resonance     wind tunnel test     mode shape correction    

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Sustainability performance analysis of environment innovation systems using a two-stage network DEA model

Frontiers of Engineering Management   Pages 425-438 doi: 10.1007/s42524-022-0205-5

Abstract: A two-stage data envelopment analysis (DEA) model is developed in this study to analyze the efficiency

Keywords： envelopment analysis     environmental efficiency     environmental innovation system     shared resources     two-stage    

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Developing a new model for simultaneous scheduling of two grand projects based on game theory and solvingthe model with Benders decomposition

Loghman PIRI, Vahidreza GHEZAVATI, Ashkan HAFEZALKOTOB

Frontiers of Engineering Management 2022, Volume 9, Issue 1,   Pages 117-134 doi: 10.1007/s42524-020-0115-3

Abstract: In this study, a mixed-integer programming model consisting of game theory and project scheduling isIn this model, two contractors in successive periods are entered into a step-by-step competition by theThis model can act dynamically in all circumstances during project implementation.Then, the results of our model are compared with those of the conventional models.The projects’ duration in our model is reduced by 22.2%.

Keywords： project scheduling     resource leveling between projects     constrained resources     game theory     Benders decomposition    

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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: The routing protocol plays a pivotal role in FANET.However, when designing the routing protocol for FANET, it is conventionally assumed that the aerialIn this paper, a novel cyber-physical routing protocol exploiting the particular mobility pattern ofCompared with the existing representative routing protocols used in FANETs, our protocol achieves a higher

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

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A two-dimensional numerical model for eutrophication in Baiyangdian Lake

Xudong WANG, Shushen ZHANG, Suling LIU, Jingwen CHEN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 815-824 doi: 10.1007/s11783-011-0383-6

Abstract: An eutrophication eco-dynamics model including the effects of reed resistance on flow was coupled withThe model simulates water quality constituents associated with eutrophication in the lake, includingThe values calculated by the calibrated model agree well with field data, including ammonia nitrogen,Deviations between model-simulated and observed values are discussed.As an ideal tool for environmental management of the lake, this model can be used to predict its water

Keywords： eutrophication     eco-dynamics     hydrodynamics     improved Water Quality Analysis Simulation Program (WASP) model    

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Title Author Date Type Operation

Two-echelon Emergency Response Problem and Simulation Considering Secondary Disasters

Han-peng Zhang,Yi Liao,Hui-xia Luo

Journal Article

A two-echelon （S-1，S） inventory model for repairable items based on markovian arrival process

Chen Tong,Li Fang and Di Peng

Journal Article

Enhanced solution representations for vehicle routing problems with split deliveries

Journal Article

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

Hu QIN , Xinxin SU, Teng REN, Zhixing LUO

Journal Article

Application Research on Vehicle Routing Problem With Time Windows Based on Dynamic Ant Algorithm

Liu Yunzhong,Xuan Huiyu

Journal Article

Spatiotemporal distance embedded hybrid ant colony algorithm for a kind of vehicle routing problem with

Zhenhui FENG, Renbin XIAO,feng_zh@hust.edu.cn,rbxiao@hust.edu.cn

Journal Article

Extended two-fluid model applied to analysis of bubbly flow in multiphase rotodynamic pump impeller

Zhiyi YU, Guoyu WANG, Shuliang CAO

Journal Article

Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Journal Article

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

Journal Article

Statics of levitated vehicle model with hybrid magnets

Desheng LI, Zhiyuan LU, Tianwu DONG

Journal Article

Sectional model test study on vortex-excited resonance of vehicle-bridge system of Shanghai Bridge over

Li ZHOU, Yaojun GE

Journal Article

Sustainability performance analysis of environment innovation systems using a two-stage network DEA model

Journal Article

Developing a new model for simultaneous scheduling of two grand projects based on game theory and solvingthe model with Benders decomposition

Loghman PIRI, Vahidreza GHEZAVATI, Ashkan HAFEZALKOTOB

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

A two-dimensional numerical model for eutrophication in Baiyangdian Lake

Xudong WANG, Shushen ZHANG, Suling LIU, Jingwen CHEN

Journal Article