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State of the art for research， development and applications of high manganese TWIP/TRIP steel

Zhang Weina,Liu Zhenyu,Wang Guodong

Strategic Study of CAE 2014, Volume 16, Issue 1, Pages 40-47

Abstract: The evolution of grain size was investigated，which the mechanism of deformation twin evolution was analyzedThe deformation mechanism of deformation induced martensite and deformation twin was investigated.strain hardening behavior was investigated， and the interaction between VC precipitates and deformation twinmechanical properties and deformation mechanism of high manganese TWIP/TRIP steel fabricated by using twin-rollstrip casting were investigated.

Keywords： high manganese TWIP/TRIP steel twin- roll strip casting deformation mechanism deformation induced martensite deformation twin

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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-hydraulicFirst, we derive a vehicle model with four degrees of freedom and incorporates yaw and roll motions.The enhancement in vehicle roll stability through the RREHS subsystem is also verified.

Keywords： electro-hydraulic suspension roll stability LQR experiment

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Industrialization of the Advanced Technology in Continuous Casting of Steel

Gan Yong

Strategic Study of CAE 2002, Volume 4, Issue 9, Pages 12-18

Abstract:

The characteristics of key technology in high-effective and thin-slab continuous casting of steelsuch as soft reduction, hydraulic-driven non-sinusoidal oscillation, and electromagnetic continuous castingThe progress direction of high-efficiency and high quality of conventional continuous casting is discussed, and the development trend of near-net-shape continuous casting and electromagnetic continuous casing

Keywords： continuous casting of steel high-effective continuous casting thin slab continuous casting soft reduction electromagnetic continuous casting industrialization

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Digital twin for healthy indoor environment: A vision for the post-pandemic era

Frontiers of Engineering Management 2023, Volume 10, Issue 2, Pages 300-318 doi: 10.1007/s42524-022-0244-y

Abstract: The advancement in emerging digital twin technologies including building information modeling (BIM),There is a critical need for understanding and envisaging how digital twin paradigms can be geared towardsreview contributes to the body of knowledge by advocating for the consideration of health in digital twinmodeling and smart building services and presenting the research roadmap for digital twin-enabled healthy

Keywords： digital twin healthy indoor environment building information modeling occupant–building interaction

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Determining casting defects in near-net shape casting aluminum parts by computed tomography

Jiehua LI, Bernd OBERDORFER, Daniel HABE, Peter SCHUMACHER

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1, Pages 48-52 doi: 10.1007/s11465-018-0493-y

Abstract: casting defects and evaluate quality.-0.7Ni-0.2Zn alloy), die casting (A356, Al-7Si-0.3Mg), and semi-solid casting (A356, Al-7Si-0.3Mg), respectivelyUnlike die casting (second part), low-pressure die casting (first part) significantly reduced the formationsemi-solid casting could produce high-quality near-net shape casting aluminum parts.defects in near-net shape casting aluminum parts.

Keywords： near-net shape casting aluminum parts casting defects low pressure die casting die casting semi-solidcasting computed tomography

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Development of a redundant anthropomorphic hydraulically actuated manipulator with a roll–pitch–yaw spherical

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4, Pages 698-710 doi: 10.1007/s11465-021-0646-2

Abstract: seven-degree-of-freedom (7-DOF) redundant anthropomorphic hydraulically actuated manipulator with a novel roll–pitch–yawparallel linear hydraulic cylinders to drive the yaw/pitch 2-DOF wrist plate connected serially to the roll

Keywords： hydraulic manipulator inverse kinematic redundant design spherical wrist

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Novel casting processes for single-crystal turbine blades of superalloys

Dexin MA

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1, Pages 3-16 doi: 10.1007/s11465-018-0475-0

Abstract:

This paper presents a brief review of the current casting techniques for single-crystal (SC) bladesA series of novel casting methods based on the Bridgman process were presented to illustrate the development

Keywords： superalloy investment casting Bridgman process directional solidification single crystal turbine blade

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Flow and heat transfer in compact offset strip fin surfaces

DONG Junqi, CHEN Jiangping, CHEN Zhijiu

Frontiers in Energy 2008, Volume 2, Issue 3, Pages 291-297 doi: 10.1007/s11708-008-0061-y

Abstract: Experimental studies of air-side heat transfer and pressure drop characteristics of offset strip fins

Keywords： different air-side transfer pressure offset

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Novel technologies for the lost foam casting process

Wenming JIANG, Zitian FAN

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1, Pages 37-47 doi: 10.1007/s11465-018-0473-2

Abstract:

Lost foam casting (LFC) is a green precision casting process categorized as a near net forming technologyand low pressure, vibration solidification, and pressure solidification conditions; expendable shell castingThe expendable shell casting technology could solve the pore, carburization, and inclusion defects of

Keywords： LFC under vacuum and low pressure vibration solidification pressure solidification expendable shell casting

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Hybrid forming mechanism of patternless casting and laser cladding

Zhongde SHAN, Fuzhen SUN, Yang LIU

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 4, Pages 393-401 doi: 10.1007/s11465-019-0550-1

Abstract: The method combines digital patternless casting and high-power laser cladding.

Keywords： patternless casting laser cladding hybrid forming rapid tooling

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Digital twin-assisted gearbox dynamic model updating toward fault diagnosis

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-023-0748-0

Abstract: In this study, a digital twin-assisted dynamic model updating method for fault diagnosis is thus proposed

Keywords： digital twin gearbox model construction model updating physical–virtual interaction

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The German Energiewende and its roll-out of renewable energies: An economic perspective

Sebastian KREUZ, Felix MÜSGENS

Frontiers in Energy 2017, Volume 11, Issue 2, Pages 126-134 doi: 10.1007/s11708-017-0467-5

Abstract: This paper gives a short overview of the German Energiewende, i.e. the transition of a large and mostly thermal electricity system towards electricity generation from renewable energy source. It discusses both, the motivation of the transitions as future goals and current status. Furthermore, it gives an in-depth view into the changes in economic costs for society as well as electricity price effects, especially for average private households and industrial consumers. It also discusses the benefits of the promotion of renewable energies in Germany.

Keywords： electricity system renewable energy cost-benefit analysis

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Undrained seismic bearing capacity of strip footing adjacent to a heterogeneous excavation

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4, Pages 566-583 doi: 10.1007/s11709-023-0905-x

Abstract: The analysis of the bearing capacity of strip footings sited near an excavation is critical in geotechnicsgeometrical features of the excavation and the soil strength properties on the seismic bearing capacity of a strip

Keywords： excavation finite element limit analysis heterogeneous soil strip footing undrained bearing capacity

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Experimental study of aerodynamic interference effects on aerostatic coefficients of twin deck bridges

Zhiwen LIU , Zhengqing CHEN , Gao LIU , Xinpeng SHAO ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3, Pages 292-298 doi: 10.1007/s11709-009-0048-8

Abstract: The aerodynamic interference effects on aerostatic coefficients of twin deck bridges with large spanThe distances between the twin decks and wind attack angles were changed during the wind tunnel testto study the effects on aerodynamic interferences of aerostatic coefficients of twin decks.coefficients of windward and leeward decks are also affected slightly by the aerodynamic interference of twinAnd the aerodynamic interference effects on lift and torque coefficients of twin decks can be neglected

Keywords： twin decks aerodynamic interference effects aerostatic coefficients wind tunnel test