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Experimental and numerical evaluation of multi-directional compressive and flexure behavior of three-dimensional

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 11,   Pages 1643-1661 doi: 10.1007/s11709-023-0004-z

Abstract: Three-dimensional concrete printing (3DCP) can proliferate the industrialization of the constructionThis study presents an experimental and numerical investigation of uniaxial compression and three-pointFurthermore, the real-time acoustic emission test revealed the nature of failure phenomenon of three-dimensional-printed

Keywords： three-dimensional printing     anisotropy     flexure     compression     cohesive zone model     finite element model    

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Inner strain determination of three-dimensional braided preforms with co-braided optical fiber sensors

LI Xianghua, LIU Xiaohui, YUAN Shenfang

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 416-420 doi: 10.1007/s11465-008-0062-x

Abstract: The experimental characterization of three-dimensional (3-D) braided composites is extremely important

Keywords： different     experimental characterization     three-dimensional     composite     micro-bend    

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Numerical simulation of three-dimensional turbulent flow in multistage axial compressor blade row

JIANG Jian, LIU Bo, WANG Yangang, NAN Xiangyi

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 320-325 doi: 10.1007/s11708-008-0041-2

Abstract: Numerical simulation of three-dimensional turbulent flow in a multistage axial compressor blade row is

Keywords： simulation     compressor     multistage     third-order     three-dimensional turbulent    

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Mechanical behavior and permeability properties of sustainable and high-performance anisotropic three-dimensional

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 11,   Pages 1662-1674 doi: 10.1007/s11709-023-0962-1

Abstract: Three-dimensional printable concrete requires further development owing to the challenges encounteredFirst, three-dimensional printable concrete mixtures were prepared using silica fume, ground blast furnaceSecond, three-dimensional printable concrete mixtures were prepared using 6-mm-long steel and syntheticIn addition, results showed that three-dimensional concrete samples containing short steel fibers achieveThe bending and splitting tensile strengths of three-dimensional printed plain concrete samples were

Keywords： three-dimensional concrete printing     rheology     high performance     mineral additives     anisotropy     fiber    

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Application of three-dimensional digitalized reconstruction of latissimus dorsi myocutaneous flap

PEI Guoxian, ZHANG Yuanzhi, LI Jianwei, JIN Dan, CHEN Jionghao, LI Yanbing, ZHONG Shizhen

Frontiers of Medicine 2008, Volume 2, Issue 1,   Pages 45-50 doi: 10.1007/s11684-008-0009-y

Abstract: Developments of digital technology and three-dimensional (3D) reconstruction allowed a precise descriptionThree-dimensional computerized reconstructions of LDM flap structures were conducted from these datasets

Keywords： Digitized     digitized     software     three-dimensional     latissimus    

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Development of rocking constraint device with vertical damping capacity for three-dimensional base-isolated

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 350-367 doi: 10.1007/s11709-022-0923-0

Abstract: A new rocking constraint device (RCD) is developed for three-dimensional (3D) base-isolated frame structures

Keywords： three-dimensional isolation     rocking behavior     rocking constraint device     replaceable damping component    

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Stability of three-dimensional printable foam concrete as function of surfactant characteristics

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 6,   Pages 935-947 doi: 10.1007/s11709-023-0964-z

Abstract: Extrudability is one of the most critical factors when designing three-dimensional printable foam concreteAlthough many studies have been conducted on traditional foam concrete in this context, studies on three-dimensionalgap, the effects of surfactant characteristics on the stability, extrudability, and buildability of three-dimensionalqualities, such as viscosity and surface tension, to understand the importance of key parameters in three-dimensionalviscosity exceeding 5 mPa·s and surface tension lower than 31 mN/m was recommended to yield stable three-dimensional

Keywords： foam concrete     3D printable concrete     stability     rheology     air void microstructure    

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Three-dimensional numerical simulation of the basic pulse tube refrigerator

DING Wenjing, GONG Liang, HE Yaling, TAO Wenquan

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 48-53 doi: 10.1007/s11708-008-0008-3

Abstract: A three-dimensional physical and numerical model of the basic pulse tube refrigerator (PTR) was developed

Keywords： refrigeration mechanism     three-dimensional     compressible     numerical     understanding    

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A three-dimensional two-level gradient smoothing meshfree method for rainfall induced landslide simulations

Dongdong WANG, Jiarui WANG, Junchao WU, Junjun DENG, Ming SUN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 337-352 doi: 10.1007/s11709-018-0467-5

Abstract: A three-dimensional two-level gradient smoothing meshfree method is presented for rainfall induced landslideThe two-level gradient smoothing for meshfree shape function is elaborated in the three-dimensional Lagrangianrainfall seepage and soil motion equations in a nodal integration format, as provides an efficient three-dimensionalThe effectiveness of the present three-dimensional two-level gradient smoothing meshfree method is demonstrated

Keywords： meshfree method     landslide     rainfall     three-dimensional two-level gradient smoothing     nodal integration    

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Three-dimensional stability analysis of the dam foundation at Baise

XU Qianjun, LI Xu, CHEN Zuyu

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 217-221 doi: 10.1007/s11709-007-0026-y

Abstract: It is usually difficult to determine the actual safety factors of rock masses in an ordinary two-dimensionalA three-dimensional stability analysis method based on the upper-bound theorem was employed to solveindicate that a special overflow dam monolith can be considered to be safe in case of considering the threedimensional effect.

Keywords： ordinary two-dimensional     randomly     monolith     three-dimensional stability     different    

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Thermal analysis of lubricated three-dimensional contact bodies considering interface roughness

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0672-8

Abstract: Surface roughness and thermal action are of remarkable importance in the lubrication performance of mechanical components, especially in extreme conditions. However, available studies mainly focus on the full-film lubrication conditions without considering temperature rise and real 3D surface roughness due to the complexity of surface topography and temperature characteristics. Moreover, studies on the interfacial thermal behaviors of 3D rough surface lubricated contact in an extended range of working conditions remain limited. In this paper, a deterministic mixed thermal elastohydrodynamic lubrication model considering real 3D surface roughness and thermal effects is proposed. In this model, pressure and temperature are coupled with each other, the computation of elastic deformation is accelerated through the discrete convolution and fast Fourier transform method, the temperature field is calculated with the column sweeping technique, and the semi-system method is introduced to improve convergence and numerical stability under severe conditions. The model is validated by comparing its results with available published numerical and experimental results. The thermal behaviors of the contact interface are studied in a wide range of working conditions. The influences of surface roughness and thermal effect on lubrication performance are revealed. The results show that the proposed model can be used as a powerful analysis tool for lubrication performance and temperature prediction in various heavy-load, high-speed lubricated components over a wide range of lubrication conditions.

Keywords： thermal elastohydrodynamic lubrication     surface roughness effect     thermal effect     temperature characteristics     severe conditions    

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Improving the structural efficiency of textured three-dimensional concrete printing wall by architectural

Frontiers of Structural and Civil Engineering 2024, Volume 18, Issue 5,   Pages 699-715 doi: 10.1007/s11709-024-1001-6

Abstract: Three-dimensional concrete printing (3DCP) technology begins to be adopted into construction application

Keywords： 3D printing     concrete     architectural design     shell wall     finite element method    

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Numerical simulation of rime ice accretion on a three-dimensional wind turbine blade using a Lagrangian

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 12,   Pages 1895-1906 doi: 10.1007/s11709-023-0971-0

Abstract: numerical simulations of blade icing have mostly been performed with the Eulerian approach for two-dimensional(2D) blade profiles, neglecting the possible three-dimensional (3D) rotating effect.

Keywords： ice accretion     wind turbine     numerical simulation     Lagrangian approach    

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Geometric quality evaluation of three-dimensional printable concrete using computational fluid dynamics

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-024-1080-4

Abstract: The importance of geometrical control of three dimensional (3D) printable concrete without the support

Keywords： digital fabrication     3D concrete printing     geometric quality     computational fluid dynamics     printing parameters     yield stress    

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Normal Chinese Adults (EMINCA) II focusing on left ventricular and left atrial size and function by three-dimensional

Frontiers of Medicine doi: 10.1007/s11684-023-1045-3

Abstract: guidelines encourage large studies in a diverse population to establish normal reference ranges for three-dimensional

Keywords： three-dimensional echocardiography     left ventricle     left atrium     normal reference values     Chinese adults    

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Title Author Date Type Operation

Experimental and numerical evaluation of multi-directional compressive and flexure behavior of three-dimensional

Journal Article

Inner strain determination of three-dimensional braided preforms with co-braided optical fiber sensors

LI Xianghua, LIU Xiaohui, YUAN Shenfang

Journal Article

Numerical simulation of three-dimensional turbulent flow in multistage axial compressor blade row

JIANG Jian, LIU Bo, WANG Yangang, NAN Xiangyi

Journal Article

Mechanical behavior and permeability properties of sustainable and high-performance anisotropic three-dimensional

Journal Article

Application of three-dimensional digitalized reconstruction of latissimus dorsi myocutaneous flap

PEI Guoxian, ZHANG Yuanzhi, LI Jianwei, JIN Dan, CHEN Jionghao, LI Yanbing, ZHONG Shizhen

Journal Article

Development of rocking constraint device with vertical damping capacity for three-dimensional base-isolated

Journal Article

Stability of three-dimensional printable foam concrete as function of surfactant characteristics

Journal Article

Three-dimensional numerical simulation of the basic pulse tube refrigerator

DING Wenjing, GONG Liang, HE Yaling, TAO Wenquan

Journal Article

A three-dimensional two-level gradient smoothing meshfree method for rainfall induced landslide simulations

Dongdong WANG, Jiarui WANG, Junchao WU, Junjun DENG, Ming SUN

Journal Article

Three-dimensional stability analysis of the dam foundation at Baise

XU Qianjun, LI Xu, CHEN Zuyu

Journal Article

Thermal analysis of lubricated three-dimensional contact bodies considering interface roughness

Journal Article

Improving the structural efficiency of textured three-dimensional concrete printing wall by architectural

Journal Article

Numerical simulation of rime ice accretion on a three-dimensional wind turbine blade using a Lagrangian

Journal Article

Geometric quality evaluation of three-dimensional printable concrete using computational fluid dynamics

Journal Article

Normal Chinese Adults (EMINCA) II focusing on left ventricular and left atrial size and function by three-dimensional

Journal Article