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Long-term behavior and safety assessment of Sance Rockfill Dam

Marta DOLEZALOVA, Ivo HLADIK

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 79-89 doi: 10.1007/s11709-010-0010-9

Abstract: assessment of the dam including slope stability analysis and estimation of the clay core cracking and hydraulic

Keywords： rockfill dam     path dependence     creep     calibration     cracking     hydraulic fracturing hazard    

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Influence of hydraulic retention time on behavior of antibiotics and antibiotic resistance genes in aerobic

Jie Liao, Chaoxiang Liu, Lin Liu, Jie Li, Hongyong Fan, Jiaqi Ye, Zhichao Zeng

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 3, doi: 10.1007/s11783-019-1115-6

Abstract:

Longer HRT can enhance degradation rate of sulfamethoxazole in granular reactor.

Longer HRT can reduce accumulated concentrations of TCs and QNs in sludge.

Longer HRT may have increased relative abundances of ARGs in aerobic granules.

Keywords： Aerobic granules     Swine wastewater     Tetracyclines     Fluoroquinolones     Sulfonamides    

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Cohesive zone model-based analyses of localized leakage of segmentally lined tunnels

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 503-521 doi: 10.1007/s11709-023-0927-4

Abstract: This paper presents a novel approach for simulating the localized leakage behavior of segmentally linedsimulates localized leakage at the lining segment, but also captures the hydromechanically coupled seepage behavioris first verified via a tunnel drainage experiment, which reveals its merits over the existing local hydraulicthe aperture size, stratum permeability, and spatial distribution of drainage holes on the leakage behaviorThe proposed approach yields more accurate results than the classical local hydraulic conductivity method

Keywords： segmentally lined tunnel     localized leakage     cohesive element     hydraulic behavior     numerical modeling    

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A general framework for modeling long-term behavior of earth and concrete dams

Bernhard A. SCHREFLER, Francesco PESAVENTO, Lorenzo SANAVIA, Giuseppe SCIUME, Stefano SECCHI, Luciano SIMONI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 41-52 doi: 10.1007/s11709-010-0070-x

Abstract: Many problems are linked with the long-term behavior of both earthdams and concrete dams.They range from hydraulic fracturing to alkali-silica reaction (ASR) and to repair work in concrete dams, from seismic behavior to secondary consolidation in earthdams.

Keywords： earth dams     concrete dams     multiphase porous materials     coupled problems     hydraulic fracture     concrete hydration    

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Numerical modeling and performance evaluation of passive convergence-permeable reactive barrier (PC-PRB)

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1731-z

Abstract:

● A 2D finite-element solute transport model, PRB-Trans, is developed.

Keywords： Passive convergence-permeable reactive barrier     Numerical modeling     Hydraulic behavior assessment     Pollutant    

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Multiobjective trajectory optimization of intelligent electro-hydraulic shovel

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0706-2

Abstract: consumption, execution time, and excavation volume as the objective functions is presented for the electro-hydraulic

Keywords： trajectory planning     electro-hydraulic shovel     cubic polynomial S-curve     multiobjective optimization    

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Effects of slip length and hydraulic diameter on hydraulic entrance length of microchannels with superhydrophobic

Wenchi GONG, Jun SHEN, Wei DAI, Zeng DENG, Xueqiang DONG, Maoqiong GONG

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 127-138 doi: 10.1007/s11708-020-0661-8

Abstract: This paper investigated effects of slip length and hydraulic diameter on the hydraulic entrance lengthIt is found that superhydrophobic microchannels have a longer hydraulic entrance length than that ofThe dimensionless hydraulic entrance length slightly increases with the increasing slip length at approximatelyRe<10, and does not vary with the hydraulic diameter.

Keywords： laminar flow     hydraulic entrance length     super hydrophobic surface     slip length     hydraulic diameter    

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Modelling the thresholds of nitrogen/phosphorus concentration and hydraulic retention time for bloom

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11783-022-1564-1

Abstract:

● A new model for bloom control in open land scape water was constructed.

Keywords： Reclaimed water landscape     Algal bloom     Nitrogen and phosphorus     Hydraulic retention time     Threshold    

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Hydromechanical model for hydraulic fractures using XFEM

Bo HE

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 240-249 doi: 10.1007/s11709-018-0490-6

Abstract: In this study, a hydromechanical model for fluid flow in fractured porous media is presented. We assume viscous fluids and the coupling equations are derived from the mass and momentum balance equations for saturated porous media. The fluid flow through discrete cracks will be modelled by the extended finite element method and an implicit time integration scheme. We also present a consistent linearization of the underlying non-linear discrete equations. They are solved by the Newton-Raphson iteration procedure in combination with a line search. Furthermore, the model is extended to includes crack propagation. Finally, examples are presented to demonstrate the versatility and efficiency of this two-scale hydromechanical model. The results suggest that the presence of the fracture in a deforming, porous media has great impact on the fluid flow and deformation patterns.

Keywords： multi-phase medium     porous     fracture     multi-scale method    

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Review of fluid and control technology of hydraulic wind turbines

Maolin CAI, Yixuan WANG, Zongxia JIAO, Yan SHI

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 312-320 doi: 10.1007/s11465-017-0433-2

Abstract:

This study examines the development of the fluid and control technology of hydraulic wind turbinesThe current state of hydraulic wind turbines as a new technology is described, and its basic fluid modelFinally, the advantages of hydraulic wind turbines are enumerated.Hydraulic wind turbines are expected to become the main development direction of wind turbines.

Keywords： wind turbine     hydraulic system     fluid model     control technology    

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Simulation analysis of pressure regulation of hydraulic thrust system on a shield tunneling machine

Zhibin LIU, Haibo XIE, Huayong YANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 377-382 doi: 10.1007/s11465-011-0226-y

Abstract:

Hydraulic thrust system is an important system in a shield tunneling machine.In this paper, a hydraulic thrust system is explained, and a corresponding simulation model is carried

Keywords： tunnel     hydraulic thrust system     pressure regulation     simulation    

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A novel high-temperature and high-pressure hydraulic pump based on mononeuron control

Linhui ZHAO, Xin FANG

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 219-223 doi: 10.1007/s11465-009-0024-y

Abstract: Based on structures and characteristics of traditional hydraulic pumps, this paper proposes a novel high-temperatureand high-pressure hydraulic pump (HHHP) that can work under 150°C and 28 MPa to overcome problems of

Keywords： mononeuron PID control     hydraulic pump     pressure fluctuation    

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Distributed monitoring and diagnosis system for hydraulic system of construction machinery

Xiaohu CHEN, Wenfeng WU, Hangong WANG, Yongtao ZHOU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 106-110 doi: 10.1007/s11465-009-0089-7

Abstract: This paper mainly presents a distributed monitoring and diagnosis system for the hydraulic system ofeffectively realize its function of real-time online condition monitoring and fault diagnosis for the hydraulic

Keywords： construction machinery     hydraulic system     distributed condition monitoring     controller area net (CAN) field    

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Passive convergence-permeable reactive barrier (PC-PRB): An effective configuration to enhance hydraulic

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1591-y

Abstract:

● A novel PRB configuration based on passive convergent flow effect was proposed.

Keywords： convergence-permeable reactive barrier (PC-PRB)     Permeable reactive barrier configuration     Numerical simulation     Hydraulic    

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Vehicle roll stability control with active roll-resistant electro-hydraulic suspension

Lijun XIAO, Ming WANG, Bangji ZHANG, Zhihua ZHONG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 43-54 doi: 10.1007/s11465-019-0547-9

Abstract: This study examines roll stability control for vehicles with an active roll-resistant electro-hydraulic

Keywords： electro-hydraulic suspension     roll stability     LQR     experiment    

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Title Author Date Type Operation

Long-term behavior and safety assessment of Sance Rockfill Dam

Marta DOLEZALOVA, Ivo HLADIK

Journal Article

Influence of hydraulic retention time on behavior of antibiotics and antibiotic resistance genes in aerobic

Jie Liao, Chaoxiang Liu, Lin Liu, Jie Li, Hongyong Fan, Jiaqi Ye, Zhichao Zeng

Journal Article

Cohesive zone model-based analyses of localized leakage of segmentally lined tunnels

Journal Article

A general framework for modeling long-term behavior of earth and concrete dams

Bernhard A. SCHREFLER, Francesco PESAVENTO, Lorenzo SANAVIA, Giuseppe SCIUME, Stefano SECCHI, Luciano SIMONI

Journal Article

Numerical modeling and performance evaluation of passive convergence-permeable reactive barrier (PC-PRB)

Journal Article

Multiobjective trajectory optimization of intelligent electro-hydraulic shovel

Journal Article

Effects of slip length and hydraulic diameter on hydraulic entrance length of microchannels with superhydrophobic

Wenchi GONG, Jun SHEN, Wei DAI, Zeng DENG, Xueqiang DONG, Maoqiong GONG

Journal Article

Modelling the thresholds of nitrogen/phosphorus concentration and hydraulic retention time for bloom

Journal Article

Hydromechanical model for hydraulic fractures using XFEM

Bo HE

Journal Article

Review of fluid and control technology of hydraulic wind turbines

Maolin CAI, Yixuan WANG, Zongxia JIAO, Yan SHI

Journal Article

Simulation analysis of pressure regulation of hydraulic thrust system on a shield tunneling machine

Zhibin LIU, Haibo XIE, Huayong YANG

Journal Article

A novel high-temperature and high-pressure hydraulic pump based on mononeuron control

Linhui ZHAO, Xin FANG

Journal Article

Distributed monitoring and diagnosis system for hydraulic system of construction machinery

Xiaohu CHEN, Wenfeng WU, Hangong WANG, Yongtao ZHOU,

Journal Article

Passive convergence-permeable reactive barrier (PC-PRB): An effective configuration to enhance hydraulic

Journal Article

Vehicle roll stability control with active roll-resistant electro-hydraulic suspension

Lijun XIAO, Ming WANG, Bangji ZHANG, Zhihua ZHONG

Journal Article