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Thermo-mechanical simulation of frost heave in saturated soils

Frontiers of Structural and Civil Engineering   Pages 1400-1412 doi: 10.1007/s11709-023-0990-x

Abstract: This paper presents the use of a coupled thermo-mechanical approach to simulate frost heave in saturated

Keywords： frost heave     multiphysics analysis     thermo-mechanical approach     saturated soils    

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An integrated optimization and simulation approach for air pollution control under uncertainty in open-pit

Zunaira Asif, Zhi Chen

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1156-x

Abstract: This paper establishes a stochastic approach to conceptualize the air pollution control model to attainFurthermore, an integrated fuzzy based risk assessment approach is applied to examine uncertainties andthe inputs, and predicted concentration are accomplished by probabilistic analysis using Monte Carlo simulationrisk level is divided into three types (loose, medium and strict) using a triangular fuzzy membership approachThus, an integrated modeling approach can be used as a decision tool for decision makers to select the

Keywords： Air pollution     Decision analysis     Linear programming     Mining     Optimization     Fuzzy     Monte Carlo    

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Critical flow-storm approach to total maximum daily load (TMDL) development: an analytical conceptual

Zhang Harry, Yu Shaw

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 3,   Pages 267-273 doi: 10.1007/s11783-008-0058-0

Abstract: The main concern in using a continuous simulation approach is the absence of any guarantee that the mostA practical, event-based critical flow-storm (CFS) approach was developed to explicitly addresses theThe CFS approach clearly defined a critical condition, obtained reasonable results and could be considered

Keywords： representative hydrologic     occurrence     simulation approach     scarcity     alternative    

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A comprehensive simulation approach for pollutant bio-transformation in the gravity sewer

Nan Zhao, Huu Hao Ngo, Yuyou Li, Xiaochang Wang, Lei Yang, Pengkang Jin, Guangxi Sun

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 4, doi: 10.1007/s11783-019-1144-1

Abstract:

A comprehensive pollutant transformation model for sewer systems is established.

The model comprises fermentation, sulfate reduction and ammonification processes.

Biochemical reactions related to distinct carbon sources are depicted in the model.

Pollutant transformation is attributed to different biochemical reaction processes.

Keywords： Gravity sewer     Modeling     Pollutant transformation     Biochemical reaction process    

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Design approach for single piston hydraulic free piston diesel engines

Wei WU, Shihua YUAN, Jibin HU, Chongbo JING,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 371-378 doi: 10.1007/s11465-009-0069-y

Abstract: The operating characteristics of a single piston hydraulic free piston diesel engine differ significantly from conventional diesel engines and this provides a theoretical basis for controlling and optimizing the design of the engine. The design of the proposed engine intended as a power supply for a hydraulic propulsion vehicle is presented. An engine performance forecast model was generated in AMESim. The performance of the prototype engine is predicted and the predictive results are verified with experiments. The particular features of the engine are discussed. The dynamic characteristics of the prototype engine are analyzed and the results indicate the rationality and feasibility of the engine design parameters. The features of the controllable working frequency and the intermittence output flows are provided. The flow capacity characteristics of the hydraulic valves on the prototype engine are offered. The methods for starting and the operation after misfire are presented.

Keywords： free piston engine (FPE)     diesel engine     hydraulic equipment     simulation     experiment    

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A robot fuzzy motion planning approach in unknown environments

FU Yi-li, JIN Bao, LI Han, WANG Shu-guo

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 336-340 doi: 10.1007/s11465-006-0033-z

Abstract: A fuzzy robot motion planning approach is proposed in unknown environments for three-degree industrialEffectiveness of the proposed approach is verified through simulation.

Keywords： manipulator     repelling influence     manipulator configuration     three-degree industrial     simulation    

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An end-to-end 3d seismic simulation of underground structures due to point dislocation source by usingan FK-FEM hybrid approach

Zhenning BA; Jisai FU; Zhihui ZHU; Hao ZHONG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1515-1529 doi: 10.1007/s11709-022-0887-0

Abstract: domain reduction idea and artificial boundary substructure method, this paper proposes an FK-FEM hybrid approachAn advantage of this approach is that it realizes the entire process simulation from point dislocationCompared with the plane wave field input method, the FK-FEM hybrid approach can reflect the spatial variabilityThis approach can provide an effective solution for seismic analysis of underground structures underthe seismic response of the underground structure is simulated after verifying the correctness of the approach

Keywords： source-to-structure simulation     FK-FEM hybrid approach     underground structures     point dislocation source    

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Methodological Approach on Virtual Simulation for Water Diversion from South to North in Western China

Li Boheng

Strategic Study of CAE 2003, Volume 5, Issue 5,   Pages 19-23

Abstract:

The south-north water project have been listed in the Tenth Five-Year Plan. Recently the east line and middle line in this project have been ready to start working. In order to change the status of lacking water in north of China, this paper discusses the necessity and the feasibility of diverting water from the southwest trunk rivers with the digital earth virtual technique, including the amount of water diverted, the geologic bedrock, the optimum line of diverting water and the impact on entironment.

Keywords： water diversion     virtual     methodology     Western China    

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TRANSLATING THE MULTI-ACTOR APPROACH TO RESEARCH INTO PRACTICE USING A WORKSHOP APPROACH FOCUSING ON

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 3,   Pages 460-473 doi: 10.15302/J-FASE-2021416

Abstract:

The EIP-Agri multiactor approach was exemplified during a 3-day workshop with 63 project participantsfirsthand experience of participatory research among researchers who were mostly not familiar with this approacha common understanding of the pertinent issues that need to be addressed to meet overall multiactor-approach

Keywords： agroecology     codesign     intercropping     knowledge sharing     participatory methods    

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Governance approach to China’s environmental challenges: Towards a theoretical synthesis

QI Ye, XUE Lan, ZHANG Lingyun

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 385-400 doi: 10.1007/s11783-007-0066-5

Abstract: It documented the shift of approach from regulation to governance, and attempted to provide a comprehensive

Keywords： environmental governance     approach     temporal     regulation     various    

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Comparison of surgical indications for hysterectomy by age and approach in 4653 Chinese women

Jingjing Jiang,Ting Ding,Aiyue Luo,Yunping Lu,Ding Ma,Shixuan Wang

Frontiers of Medicine 2014, Volume 8, Issue 4,   Pages 464-470 doi: 10.1007/s11684-014-0338-y

Abstract: The abdominal surgical approach was used in 84% of all hysterectomies.Surgeries using the vaginal approach required a significantly shorter operating time (118 min averageof both operating time and the amount of bleeding and blood transfusion volume required, the vaginal approach

Keywords： hysterectomy     surgical indications     surgical approach     bilateral oophorectomy    

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Hierarchical approach for fatigue cracking performance evaluation in asphalt pavements

Ibrahim ONIFADE, Yared DINEGDAE, Björn BIRGISSON

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 257-269 doi: 10.1007/s11709-017-0410-1

Abstract: In this paper, a hierarchical approach is proposed for the evaluation of fatigue cracking in asphaltBased on the developed hierarchical approach, three damage computation levels are identified and proposedThe hierarchical approach also provides a systematic approach for the understanding of the fundamental

Keywords： fatigue cracking     energy based     crack initiation     mechanistic approach     pavement analysis    

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Promising approach for preparing metallic single-atom catalysts: electrochemical deposition

Frontiers in Energy 2022, Volume 16, Issue 4,   Pages 537-541 doi: 10.1007/s11708-022-0837-5

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Title Author Date Type Operation

Thermo-mechanical simulation of frost heave in saturated soils

Journal Article

An integrated optimization and simulation approach for air pollution control under uncertainty in open-pit

Zunaira Asif, Zhi Chen

Journal Article

Critical flow-storm approach to total maximum daily load (TMDL) development: an analytical conceptual

Zhang Harry, Yu Shaw

Journal Article

A comprehensive simulation approach for pollutant bio-transformation in the gravity sewer

Nan Zhao, Huu Hao Ngo, Yuyou Li, Xiaochang Wang, Lei Yang, Pengkang Jin, Guangxi Sun

Journal Article

Design approach for single piston hydraulic free piston diesel engines

Wei WU, Shihua YUAN, Jibin HU, Chongbo JING,

Journal Article

A robot fuzzy motion planning approach in unknown environments

FU Yi-li, JIN Bao, LI Han, WANG Shu-guo

Journal Article

An end-to-end 3d seismic simulation of underground structures due to point dislocation source by usingan FK-FEM hybrid approach

Zhenning BA; Jisai FU; Zhihui ZHU; Hao ZHONG

Journal Article

Methodological Approach on Virtual Simulation for Water Diversion from South to North in Western China

Li Boheng

Journal Article

TRANSLATING THE MULTI-ACTOR APPROACH TO RESEARCH INTO PRACTICE USING A WORKSHOP APPROACH FOCUSING ON

Journal Article

The extension of simulation —— from system simulation to domain simulation

28 Nov 2020

Conference Videos

Governance approach to China’s environmental challenges: Towards a theoretical synthesis

QI Ye, XUE Lan, ZHANG Lingyun

Journal Article

Comparison of surgical indications for hysterectomy by age and approach in 4653 Chinese women

Jingjing Jiang,Ting Ding,Aiyue Luo,Yunping Lu,Ding Ma,Shixuan Wang

Journal Article

Hierarchical approach for fatigue cracking performance evaluation in asphalt pavements

Ibrahim ONIFADE, Yared DINEGDAE, Björn BIRGISSON

Journal Article

Promising approach for preparing metallic single-atom catalysts: electrochemical deposition

Journal Article

Mustafizur Rahman: An Approach towards Extreme Design and Manufacturing（2019.10.10）

23 Apr 2021

Conference Videos