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Optical plasma boundary reconstruction based on least squares for EASTTokamak None

Hao LUO, Zheng-ping LUO, Chao XU, Wei JIANG

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 9,   Pages 1124-1134 doi: 10.1631/FITEE.1700041

Abstract: Equilibrium and fitting (EFIT) code is generally used for plasma boundary reconstruction in some TokamaksIn this paper, we present an optical plasma boundary reconstruction algorithm.This method uses EFIT reconstruction results as the standard to create the optimally optical reconstructionTraditional edge detection methods cannot extract a clear plasma boundary for reconstruction.The extracted boundary and the boundary reconstructed by EFIT are fitted by same-order polynomials and

Keywords： Optical boundary reconstruction     Boundary detection     Global contrast     Least square     EAST Tokamak    

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Development of surface reconstruction algorithms for optical interferometric measurement

Dongxu WU, Fengzhou FANG

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 1-31 doi: 10.1007/s11465-020-0602-6

Abstract: Optical interferometry is a powerful tool for measuring and characterizing areal surface topography inA variety of instruments based on optical interferometry have been developed to meet the measurementThis paper provides an in-depth perspective of surface topography reconstruction for optical interferometricPrinciples, configurations, and applications of typical optical interferometers with different capabilitiesThis paper also presents the new challenges that optical interferometry techniques are facing in surface

Keywords： surface topography     measurement     optical interferometry     coherence envelope     phase-shifting algorithm    

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Isogeometric analysis based on geometric reconstruction models

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 782-797 doi: 10.1007/s11465-021-0648-0

Abstract: In isogeometric analysis (IGA), the boundary representation of computer-aided design (CAD) and the tensor-productThe CAD model is represented by boundary polygons or point cloud and is embedded into a regular backgroundgrid, and a model reconstruction method is proposed to obtain the level set function of the approximateresults demonstrate that the proposed method can deal with complex engineering parts reconstructed by boundary

Keywords： isogeometric analysis     reconstruction model     level set function     trimmed element     point cloud    

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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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Fractal characteristic evaluation and interpolation reconstruction for surface topography of drilled

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 840-854 doi: 10.1007/s11465-021-0643-5

Abstract: Compared with the model in published literature, the proposed model has equal reconstruction effect in

Keywords： surface topography     fractal evaluation     fractal interpolation     reconstruction     composite    

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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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Precision glass molding: Toward an optimal fabrication of optical lenses

Liangchi ZHANG,Weidong LIU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 1,   Pages 3-17 doi: 10.1007/s11465-017-0408-3

Abstract: and time consuming to use machining processes, such as grinding, polishing and lapping, to produce opticalPrecision glass molding (PGM) has thus been developed to realize an efficient manufacture of such opticalFor example, a PGM process must be carried out within the super-cooled region of optical glass abovemanufacturing chain consideration from mold material selection, property and deformation characterization of optical

Keywords： precision glass molding     optical lens     constitutive modeling     optimization     manufacturing chain     Industry    

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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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Full-field dynamic strain reconstruction of an aero-engine blade from limited displacement responses

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0731-1

Abstract: This study proposes a method of full-field and real-time strain reconstruction of an aero-engine bladeLimited optical measured displacement responses are utilized to reconstruct the full-field strain.

Keywords： aero-engine blade     displacement response     dynamic strain reconstruction     mode shape     strain gauge    

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The Latest Development of Optical Fiber, Optical Fiber Band and Optical Cable Technology Abroad

Liu Liangyan

Strategic Study of CAE 2001, Volume 3, Issue 9,   Pages 86-94

Abstract:

In this paper, new development about the study of dispersion-compensable low transmission loss opticalfiber, nonzero dispersion displacement optical fiber, and carbon-coated or silicon nitride-coated opticalThen the manufacture technology of band optical fiber including its structure, coatings, properties andMulti-core optical fiber band cable manufacture technology such as twisted loose-tube, center loose-tube, frame, dry core band optical cable was also discussed.

Keywords： optical communication     low transmission loss optical fiber     optical fiber band     band optical fiber cable    

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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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Shape reconstruction of parallelogram flaw

ZHENG Gangfeng, WU Bin, HE Cunfu

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 17-22 doi: 10.1007/s11465-008-0015-4

Abstract: To reconstruct the shape of the scatterer in elastic media, the authors deduce the Born approximation solution of the two-dimensional scattering problem, which includes the shape factor that embodies all information about the shape of the scatterer. Accordingly, the change in the shape of the scatterer only necessitates the number of the corresponding new shape factors. For a parallelogram void in a long Al rod, its shape factor can be obtained. In view of the definition of a characteristic function, the shape factor has a corresponding integral representation. Obviously, the shape factor can be considered as a Fourier transform of the characteristic function, which is reconstructed from the inverse Fourier transform. The integral equation is considered as the basic equation to reconstruct the shape of the scatterer. The identification of the geometrical character of a flaw is then given by the two dimensional inverse Born approximation in a low-frequency range. For the parallelogram void, a theoretical calculating identification is performed. At the same time, the numerical results are obtained by the finite element method.

Keywords： approximation     scatterer     scattering problem     information     inverse    

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The ecological system and the regionalization of landscape reconstruction in northwest of China

Peicheng LI,Guoyuan DU,Qilei LI,Jinfeng WANG,Feimin ZHENG

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 4,   Pages 291-298 doi: 10.15302/J-FASE-2014033

Abstract: Thus, the Chinese government is strengthening research on improvement and reconstruction of the ecologicalIt is suggested that the reconstruction of landscape should be conducted by step by step regionalizationThe first level regionalization results of reconstruction of landscape are discussed.

Keywords： reconstruction of landscape     ecological system     the northwest area of China     science and technology action    

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Extrapolation reconstruction of wind pressure fields on the claddings of high-rise buildings

Yehua SUN, Guquan SONG, Hui LV

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 653-666 doi: 10.1007/s11709-018-0503-5

Abstract: Recent research about reconstruction methods mainly used the interpolation reconstruction of the fluctuatingpressure at the edge of the building, the work presented in this paper focuses on the extrapolation reconstructionThe studies show that it works well for not only interpolation reconstruction but also extrapolationreconstruction.different variogram, preliminary results suggest less time consumption and high efficiency in extrapolation reconstruction

Keywords： extrapolation reconstruction     proper orthogonal decomposition     Kriging method     von Kármán function     Hurst    

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Title Author Date Type Operation

Optical plasma boundary reconstruction based on least squares for EASTTokamak

Hao LUO, Zheng-ping LUO, Chao XU, Wei JIANG

Journal Article

Development of surface reconstruction algorithms for optical interferometric measurement

Dongxu WU, Fengzhou FANG

Journal Article

Isogeometric analysis based on geometric reconstruction models

Journal Article

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

Swati Mukhopadhyay

Journal Article

Fractal characteristic evaluation and interpolation reconstruction for surface topography of drilled

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

Precision glass molding: Toward an optimal fabrication of optical lenses

Liangchi ZHANG,Weidong LIU

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

Full-field dynamic strain reconstruction of an aero-engine blade from limited displacement responses

Journal Article

The Latest Development of Optical Fiber, Optical Fiber Band and Optical Cable Technology Abroad

Liu Liangyan

Journal Article

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

Journal Article

Shape reconstruction of parallelogram flaw

ZHENG Gangfeng, WU Bin, HE Cunfu

Journal Article

The ecological system and the regionalization of landscape reconstruction in northwest of China

Peicheng LI,Guoyuan DU,Qilei LI,Jinfeng WANG,Feimin ZHENG

Journal Article

Extrapolation reconstruction of wind pressure fields on the claddings of high-rise buildings

Yehua SUN, Guquan SONG, Hui LV

Journal Article