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Assembly variation analysis of flexible curved surfaces based on Bézier curves None

Zhen-yu LIU, Shi-en ZHOU, Jin CHENG, Chan QIU, Jian-rong TAN

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 6, Pages 796-808 doi: 10.1631/FITEE.1601619

Abstract: Assembly variation analysis of parts that have flexible curved surfaces is much more difficult than thatthe current variation analysis methods either neglect the relationships among feature points on part surfacesIn this study, the problem of flexible curved surface assembly is simplified to the matching of sideA methodology based on Bézier curves is proposed to represent the side lines of surfaces.It solves the variation analysis problem of flexible curved surface assembly when considering surface

Keywords： Assembly variation analysis Feature points Side lines Flexible curved surfaces Bézier curves

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Wireless passive flexible accelerometer fabricated using micro-electro-mechanical system technology forbending structure surfaces Research Article

Chen LI, Mangu JIA, Yingping HONG, Yanan XUE, Jijun XIONG,lichen@nuc.edu.cn

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 5, Pages 801-809 doi: 10.1631/FITEE.2100236

Abstract: The accelerometer is composed of a flexible polyimide (PI) substrate and a planar spiral inductance coil

Keywords： Bending structure surfaces Flexible accelerometer Micro-electro-mechanical system (MEMS) technology

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Postprocessor development for ultrasonic cutting of honeycomb core curved surface with a straight blade

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0729-8

Abstract: When ultrasonically cutting honeycomb core curved parts, the tool face of the straight blade must bealong the curved surface’s tangent direction at all times to ensure high-quality machining of the curvedalgorithm was proposed for the tool edge orientation problem when the straight blade is used to machine the curved

Keywords： honeycomb core straight blade ultrasonic cutting tool pose postprocessor

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Free vibration analysis of functionally graded porous curved nanobeams on elastic foundation in hygro–thermo–magnetic

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4, Pages 584-605 doi: 10.1007/s11709-023-0916-7

Abstract: interpolation function is proposed to solve the governing equation of a functionally graded porous (FGP) curvedThe material properties of curved nanobeams change continuously along the thickness via a power-law distributionThe effects of magnetic fields, temperature, and moisture on the curved nanobeam are assumed to resultThe equilibrium equations of the curved nanobeam are derived using Hamilton’s principle based on variousAdditionally, the effects of different parameters on the free vibration behavior of the FGP curved nanobeams

Keywords： functionally graded porous material curved nanobeam hygro–thermo–magnetic enriched finite element

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Development of dimensionless P-I diagram for curved SCS sandwich shell subjected to uniformly distributed

Yonghui WANG, Ximei ZHAI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6, Pages 1432-1445 doi: 10.1007/s11709-019-0566-y

Abstract: The curved steel-concrete-steel (SCS) sandwich shell was recently proposed to resist blast loading andPressure-Impulse (P-I) diagram was constructed as a convenient tool to predict the damage level of curvedThe curved SCS sandwich shell was equivalent to a single-degree-of-freedom (SDOF) system and the equationof using the constructed dimensionless P-I diagram to quickly conduct the blast resistant design of curved

Keywords： blast loading curved steel-concrete-steel sandwich shell Pressure-Impulse diagram single-degree-of-freedom

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Piezoelectric pump with flexible venous valves for active cell transmission

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0712-4

Abstract: In this study, we designed a piezoelectric pump with a flexible venous valve inspired by that of humanscomputational model of the electric-solid-liquid multi-physical field coupling of the piezoelectric pump with a flexible

Keywords： venous valve flexible venous valve cell transmission organ-on-a-chip system piezoelectric device

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Crystal design of bismuth oxyiodide with highly exposed (110) facets on curved carbon nitride for the

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 7, Pages 1125-1138 doi: 10.1007/s11705-021-2116-0

Abstract: Graphitic carbon nitride was designed as curved carbon nitride with dibromopyrazine, denoted as DCN,

Keywords： high-exposure (110) facet oxygen vacancy-rich BiOI-110/DCN heterojunction photocatalytic degradation visible-light-response

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Creation and integration mechanism of instrumentation flexible developing system

Xiaoli XU, Qiushuang LIU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2, Pages 235-240 doi: 10.1007/s11465-011-0122-5

Abstract: development (R&D) of modern instrumentation products, based on the concept of an instrumentation flexibledeveloping system (IFDS), this paper discusses the creation and open flexible integration mechanism,perfects the integrated supporting environment and integrated system of the flexible interconnection, and constructs the new flexible integrated system.

Keywords： modern instrumentation developing flexible interconnection flexible integration mechanism rapid integration

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Geosynthetics used to stabilize vegetated surfaces for environmental sustainability in civil engineering

Jie HAN,Jun GUO

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 1, Pages 56-65 doi: 10.1007/s11709-016-0380-8

Abstract: To enhance environmental sustainability, vegetation has been increasingly planted on the facing or surfacessurficial soil stabilization while vegetation provides green appearance and erosion protection of earth surfacesbetween geosynthetics and vegetation is important for the sustainability of the earth and building wall surfacesthe current practice and research in the geosynthetic stabilization of vegetated earth and building surfacesgeosynthetic-stabilized unpaved shoulders and parking lots, and geosynthetic-stabilized vegetated building surfaces

Keywords： erosion geosynthetic stabilization sustainability vegetation

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Contact of surfaces and contact characteristics of offset surfaces

CAO Lixin, GONG Hu, LIU Jian

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3, Pages 318-324 doi: 10.1007/s11465-008-0067-5

Abstract: Based on differential geometry, the contact problems of two surfaces are discussed in this paper.The relationship between the contact status of two surfaces and that of offset surfaces are also analyzedFor point contact two surfaces, the calculation equation for the second order remained error is givenand curvatures of the two surfaces are the same along the contact curve.If two surfaces keep the second order line contact, their two offset surfaces will also keep the second

Keywords： relative important geometrical relationship geometrical invariant calculation

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Review on flexible perovskite photodetector: processing and applications

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-023-0749-z

Abstract: Next-generation optoelectronics should possess lightweight and flexible characteristics, thus conformingto various types of surfaces or human skins for portable and wearable applications.Flexible photodetectors as fundamental devices have been receiving increasing attention owing to theirTypical applications of perovskite-based flexible photodetectors such as optical communication, imageChallenges and future research directions of perovskite-based flexible photodetectors are proposed in

Keywords： photodetector perovskite flexible processing application

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A review of the scalable nano-manufacturing technology for flexible devices

Wenbin HUANG,Xingtao YU,Yanhua LIU,Wen QIAO,Linsen CHEN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 1, Pages 99-109 doi: 10.1007/s11465-017-0416-3

Abstract: we summarize the status and the limitations of current nano-patterning techniques for scalable and flexible

Keywords： flexible nano-manufacturing flexible devices nanofabrication scalability

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Optimal localization of complex surfaces in CAD-based inspection

XU Jinting, LIU Weijun, SUN Yuwen

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4, Pages 426-433 doi: 10.1007/s11465-008-0068-4

Abstract: requires the optimal localization of the measured surface related to the design surface so that the two surfaces

Keywords： deviation comparison non-linear localization inspection

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Strategies on designing multifunctional surfaces to prevent biofilm formation? ?

Yang Lu,Zhanguo Yue,Wei Wang,Zhiqiang Cao

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 3, Pages 324-335 doi: 10.1007/s11705-015-1529-z

Abstract: reagents and surface coatings have been developed to kill bacteria and/or limit their interaction with surfaces

Keywords： antimicrobial surface multifunctional

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Interpolation of a spline developable surface between a curve and two rulings

Alicia CANTÓN,Leonardo FERNÁNDEZ-JAMBRINA

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 3, Pages 173-190 doi: 10.1631/FITEE.14a0210

Abstract: In this paper we address the problem of interpolating a spline developable patch bounded by a given spline curve and the first and the last rulings of the developable surface. To complete the boundary of the patch, a second spline curve is to be given. Up to now this interpolation problem could be solved, but without the possibility of choosing both endpoints for the rulings. We circumvent such difficulty by resorting to degree elevation of the developable surface. This is useful for solving not only this problem, but also other problems dealing with triangular developable patches.

Keywords： Developable surfaces Spline surfaces Blossoms