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Conformal analysis of fundamental frequency of vibration of elastic clamped plates

QI Hongyuan, ZHU Hengjun

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 429-432 doi: 10.1007/s11465-007-0073-z

Abstract: elastic clamped plates, the conformal mapping theory is adopted to separate the interpolating points of a complicatedboundary into odd and even sequences, both of which can be mutually iterated, so that the conformalmapping function between the complicated region and the unit dish region is established.used to obtain the solution of fundamental frequency in the vibrating differential function of the complicated

Keywords： direction     theory     vibration     odd     complicated boundary    

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An analytical method for calculating torsional constants for arbitrary complicated thin-walled cross-sections

DU Baisong, GE Yaojun, ZHOU Zheng

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 293-297 doi: 10.1007/s11709-007-0038-7

Abstract: In this paper, an analytical method is proposed for calculating torsional constants for complicated thin-walledFinally, a complicated thin-walled cross-section is given as a valid numerical example to verify the

Keywords： homogeneous     complicated thin-walled     numerical example     advantage     torsional function    

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Study of base friction simulation tests based on a complicated engineered bridge slope

Liu HE, Guang WU, Hua WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 393-397 doi: 10.1007/s11709-012-0174-6

Abstract: The model is based on similarity principles and the geological conditions of a complicated bridge slope

Keywords： base friction test     slope stability evaluation     bridge slope    

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The effect of orbital radiation therapy on thyroid-associated orbitopathy complicated with dysthyroid

Yang Wang, Huifang Zhou, Xianqun Fan

Frontiers of Medicine 2017, Volume 11, Issue 3,   Pages 359-364 doi: 10.1007/s11684-017-0528-5

Abstract: The possible effects of radiotherapy on TAO, especially complicated with DON, are reviewed.

Keywords： thyroid-associated orbitopathy     dysthyroid optic neuropathy     orbital radiation therapy    

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Chemically reactive solute transfer in a boundary layer slip flow along a stretching cylinder

Swati Mukhopadhyay

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 385-391 doi: 10.1007/s11705-011-1101-4

Abstract: the distribution of a solute undergoing a first order chemical reaction in an axisymmetric laminar boundaryVelocity slip condition at the boundary is used instead of no-slip condition.

Keywords： boundary layer     stretching cylinder     partial slip     mass transfer     similarity solution    

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Optimization transformation of complicated ventilation system in integration of mine

Zhang Futao

Strategic Study of CAE 2011, Volume 13, Issue 11,   Pages 68-71

Abstract:

As a resource integration mine, there were many problems in Tangshangou Mine such as complex ventilation system and much hidden danger. By determining the ventilation resistance and fan performance test and reasonable evaluation of mine ventilation system, the problems of original mine ventilation system were found out and analyzed, and an optimizing and transforming scheme for ventilation system was proposed. The results showed that the resistance of mine ventilation system was reduced and the stability and ability of fighting against natural calamities of mine ventilation network were improved.

Keywords： integration of mine     complicated ventilation system     optimization transformation    

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Controlling nested wrinkle morphology through the boundary effect on narrow-band thin films

Hanyang XU, Tielin SHI, Guanglan LIAO, Qi XIA

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 235-240 doi: 10.1007/s11465-017-0458-6

Abstract: nano-scale wrinkles and the highly ordered morphology of micro-scale wrinkles were explained by using the boundary

Keywords： nested and hierarchical wrinkles     morphology     amplitude saturation     boundary effect    

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Approaching the upper boundary of driver-response relationships: identifying factors using a novel framework

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 6, doi: 10.1007/s11783-023-1676-2

Abstract:

● A novel framework integrating quantile regression with machine learning is proposed.

Keywords： Driver-response     Upper boundary of relationship     Interpretable machine learning     Quantile regression    

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Comparison of indirect boundary element and finite element methods A case study: Shiraz-Esfahan railway

Amin MANOUCHEHRIAN, Mohammad Fatehi MARJI, Mohsen MOHEBBI

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 385-392 doi: 10.1007/s11709-012-0173-7

Abstract: such as finite element method (FEM), discrete element method (DEM), finite difference method (FDM) and boundaryThis paper suggests the implementation of the indirect boundary element method (IBEM) as a formulationIn rock mechanics, for problems with a low ratio of boundary surface to volume, FEM is not very well

Keywords： indirect boundary element method     finite element method     displacement     tunnel     case study    

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Fundamental frequency and testing mode of complicated elastic clamped-plate vibration

QI Hongyuan, GUAN Yiduo

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 360-364 doi: 10.1007/s11465-008-0084-4

Abstract: Aimed at the modal analysis of complicated elastic clamped-plates, a trigonometric interpolation methodof conformal mapping is applied to set up the mapping function between a complicated region and a unitdish region, and the fundamental frequency of the complicated vibrating region is analyzed with the

Keywords： multi-point excitation     rectangle-plate     single-point     processing technology     trigonometric interpolation    

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Wnt/β-catenin signaling pathway and its role in hepatocellular carcinoma

ZHANG Xufeng, YU Liang, LU Yi

Frontiers of Medicine 2008, Volume 2, Issue 3,   Pages 216-228 doi: 10.1007/s11684-008-0042-x

Abstract: interacting components have been observed and their exact functions approached, thus ensuring the most complicated

Keywords： interacting     complicated understanding     embryogenesis     activation     organism development    

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Engineering the grain boundary: a promising strategy to configure NiCoPO/NiCoP nanowire arrays for ultra-stable

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1259-1267 doi: 10.1007/s11705-021-2132-0

Abstract: NiCoP4O12/NiCoP nanorod-like arrays with tunable grain boundary density and pores

Keywords： NiCo     array electrode     grain boundary     stability     supercapacitor    

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Slender reinforced concrete shear walls with high-strength concrete boundary elements

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 138-151 doi: 10.1007/s11709-022-0897-y

Abstract: HSC was incorporated in the boundary elements of the wall to compare its performance with that of thePotential reductions in the reinforcement area and size of the boundary elements were investigated.and stiffness, and thereby, allowed reduction in the longitudinal reinforcement area and size of the boundaryCold joints resulting from dissimilar concrete pours in the web and boundary elements of the HSC wall

Keywords： slender walls     high-strength concrete     rectangular and barbell-shaped walls     cold joints    

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Hydrologic experiments and modeling of two laboratory bioretention systems under different boundary conditions

Ruifen Liu, Elizabeth Fassman-Beck

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 4, doi: 10.1007/s11783-017-0951-5

Abstract: Hydrologic performance of bioretention systems is significantly influenced by the media composition and underdrain configuration. This research measured hydrologic performance of column-scale bioretention systems during a synthetic design storm of 25.9 mm, assuming a system area:catchment area ratio of 5%. The laboratory experiments involved two different engineered media and two different drainage configurations. Results show that the two engineered media with different sand aggregates were able to retain about 36% of the inflow volume with free drainage configuration. However, the medium with marine sand is better at delaying the occurrence of drainage than the one with pumice sand, denoting the better detention ability of the former. For both engineered media, an underdrain configuration with internal water storage (IWS) zone lowered drainage volume and peak drainage rate as well as delayed the occurrence of drainage and peak drainage rate, as compared to a free drainage configuration. The USEPA SWMM v5.1.11 model was applied for the free drainage configuration case, and there is a reasonable fit between observed and modeled drainage-rates when media-specific characteristics are available. For the IWS drainage configuration case, air entrapment was observed to occur in the engineered medium with marine sand. Filling of an IWS zone is most likely to be influenced by many factors, such as the structure of the bioretention system, medium physical and hydraulic properties, and inflow characteristics. More research is needed on the analysis and modeling of hydrologic process in bioretention with IWS drainage configuration.

Keywords： Bioretention     Hydrologic process     Underdrain configuration     SWMM     Modeling    

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Influence of boundary conditions and turntable speeds on the stability of hydrostatic oil cavity

Zhaomiao LIU, Chengyin ZHANG, Feng SHEN

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 359-368 doi: 10.1007/s11465-011-0222-2

Abstract: numerically simulated, considering the rotation speeds of a turntable from 0 to 5 m/s and different boundary

Keywords： hydrostatic oil cavity     flow state     oil cavity pressure     stability     vortex    

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Title Author Date Type Operation

Conformal analysis of fundamental frequency of vibration of elastic clamped plates

QI Hongyuan, ZHU Hengjun

Journal Article

An analytical method for calculating torsional constants for arbitrary complicated thin-walled cross-sections

DU Baisong, GE Yaojun, ZHOU Zheng

Journal Article

Study of base friction simulation tests based on a complicated engineered bridge slope

Liu HE, Guang WU, Hua WANG

Journal Article

The effect of orbital radiation therapy on thyroid-associated orbitopathy complicated with dysthyroid

Yang Wang, Huifang Zhou, Xianqun Fan

Journal Article

Chemically reactive solute transfer in a boundary layer slip flow along a stretching cylinder

Swati Mukhopadhyay

Journal Article

Optimization transformation of complicated ventilation system in integration of mine

Zhang Futao

Journal Article

Controlling nested wrinkle morphology through the boundary effect on narrow-band thin films

Hanyang XU, Tielin SHI, Guanglan LIAO, Qi XIA

Journal Article

Approaching the upper boundary of driver-response relationships: identifying factors using a novel framework

Journal Article

Comparison of indirect boundary element and finite element methods A case study: Shiraz-Esfahan railway

Amin MANOUCHEHRIAN, Mohammad Fatehi MARJI, Mohsen MOHEBBI

Journal Article

Fundamental frequency and testing mode of complicated elastic clamped-plate vibration

QI Hongyuan, GUAN Yiduo

Journal Article

Wnt/β-catenin signaling pathway and its role in hepatocellular carcinoma

ZHANG Xufeng, YU Liang, LU Yi

Journal Article

Engineering the grain boundary: a promising strategy to configure NiCoPO/NiCoP nanowire arrays for ultra-stable

Journal Article

Slender reinforced concrete shear walls with high-strength concrete boundary elements

Journal Article

Hydrologic experiments and modeling of two laboratory bioretention systems under different boundary conditions

Ruifen Liu, Elizabeth Fassman-Beck

Journal Article

Influence of boundary conditions and turntable speeds on the stability of hydrostatic oil cavity

Zhaomiao LIU, Chengyin ZHANG, Feng SHEN

Journal Article