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Dynamics Modeling of Spacecraft with Composite Flexible Structures

Qu Guangji,Cheng Daosheng

Strategic Study of CAE 1999, Volume 1, Issue 2, Pages 52-56

Abstract: Rigid main body is attached by flexible module, to which kinds of large flexible appendages are fixedstructures; 2.The flexible multi-modules main body, taking on a lower stiffness, and several kinds of large flexiblesome of its flexible appendages are not fixed to the rigid main body directly.In order to take full advantage of the achievement of spacecraft dynamics of rigid main body with flexible

Keywords： spacecraft composite flexible structure dynamics of flexible structures hybrid coordinate method

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Application and development of modern long-span space structures in China

Shilin DONG, Yang ZHAO, Dong XING

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3, Pages 224-239 doi: 10.1007/s11709-012-0166-6

Abstract: Modern long-span space structures, developed during the 1970s and 1980s, are light and effective structuresThese structures include air-supported membrane structures, cable-membrane structures, cable truss structures, beam string structures, suspen-domes, cable domes, composite structures of cable dome and single-layersteel structures and so forth., modern flexible space structures and modern rigid-flexible combined space structures.

Keywords： modern long-span space structures rigid space structures flexible space structures rigid-flexible combinedspace structures application and development

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Design and applications of morphing aircraft and their structures

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0750-6

Abstract: The design and fabrication of high-performance, lightweight, and intelligent morphing structures have, lattice technology for reducing structural weight, and multi-mode morphing combined with flexible skinsand foldable structures, are summarized and categorized.Third, the paper discusses multiple challenges, including flexible structures, flexible skins, and controlLastly, the development and application of morphing structures in the aerospace field are discussed to

Keywords： morphing aircraft additive manufacturing lattice structure smart material flexible structure flexible

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Study on rigid-flexible coupling dynamics of hub-plate system

ZHAO Feiyun, XIE Yongcheng, ZHANG Ming, HE Yinbiao

Frontiers in Energy 2007, Volume 1, Issue 2, Pages 181-188 doi: 10.1007/s11708-007-0023-9

Abstract: Dynamic modeling of a rotating flexible hub-plate system is investigated by using Jourdain s variationprinciple in which the finite element method (FEM) is used as discretization method for a flexible plateoverall motion, the coupling between large overall motion of the system and elastic deformation of the flexible

Keywords： discretization erroneous Furthermore Different Conservation

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On the Order Reduction of Dynamics Models of Flexible Spacecrafts

Miao Bingqi,Qu Guangji,Xia Suiqin,Cheng Daosheng

Strategic Study of CAE 2001, Volume 3, Issue 11, Pages 60-64

Abstract:

The usual mode sets for the dynamics modeling of flexible spacecraft are reviewed.A tactic for using the order reduction criterions for the dynamics modeling is introduced.results with different mode sets and to illustrate how to use the mode reduction criterions for the dynamicsmodeling of flexible spacecraft.

Keywords： spacecraft flexible bodies dynamics reduction of models

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Achieving desired nodal lines in freely vibrating structures via material-field series-expansion topology

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0758-y

Abstract: Accurately controlling the nodal lines of vibrating structures with topology optimization is a highlyTo solve this complex optimization problem, the structural topology of structures is first represented

Keywords： nodal line topology optimization structural dynamics design material-field series-expansion

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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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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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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 conformingFlexible photodetectors as fundamental devices have been receiving increasing attention owing to theirstacked encapsulation), low-dimensional perovskites (0D, 1D, and 2D nanostructures), and elaborate device structuresTypical 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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CFD Simulation of thermal hydraulic characteristics in a typical upper plenum of RPV

Mingjun WANG, Lianfa WANG, Yingjie WANG, Wenxi TIAN, Jian DENG, Guanghui SU, Suizheng QIU

Frontiers in Energy 2021, Volume 15, Issue 4, Pages 930-945 doi: 10.1007/s11708-021-0728-1

Abstract: A comparative computational fluid dynamics (CFD) study was conducted on the three different types ofmeaningful guidelines for the future optimization and design of advanced PWR upper plenum internal structures

Keywords： pressurized water reactor (PWR) upper plenum internal structures temperature distribution computationalfluid dynamics (CFD)

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Analytical dynamic solution of a flexible cable-suspended manipulator

Mahdi BAMDAD

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4, Pages 350-359 doi: 10.1007/s11465-013-0271-9

Abstract:

Cable-suspended manipulators are used in large scale applications with, heavy in weight and long in span cables. It seems impractical to maintain cable assumptions of smaller robots for large scale manipulators. The interactions among the cables, platforms and actuators can fully evaluate the coupled dynamic analysis. The structural flexibility of the cables becomes more pronounced in large manipulators. In this paper, an analytic solution is provided to solve cable vibration. Also, a closed form solution can be adopted to improve the dynamic response to flexibility. The output is provided by the optimal torque generation subject to the actuator limitations in a mechatronic sense. Finally, the performance of the proposed algorithm is examined through simulations.

Keywords： parallel robot flexible cable suspended robot dynamic

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Possible role of power-to-heat and power-to-gas as flexible loads in German medium voltage networks

Mark KUPRAT, Martin BENDIG, Klaus PFEIFFER

Frontiers in Energy 2017, Volume 11, Issue 2, Pages 135-145 doi: 10.1007/s11708-017-0472-8

Abstract: This curtailment of RES leads to economic losses and could be avoided through flexible loads.

Keywords： power-to-gas power-to-heat flexible loads ancillary services coherent energy systems

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Estimation of flexible pavement structural capacity using machine learning techniques

Nader KARBALLAEEZADEH, Hosein GHASEMZADEH TEHRANI, Danial MOHAMMADZADEH SHADMEHRI, Shahaboddin SHAMSHIRBAND

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5, Pages 1083-1096 doi: 10.1007/s11709-020-0654-z

Abstract: process regression, M5P model tree, and random forest used for the prediction of structural numbers in flexibleDataset of this paper is related to 759 flexible pavement sections at Semnan and Khuzestan provinces

Keywords： transportation infrastructure flexible pavement structural number prediction Gaussian process regression

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A pseudocapacitive molecule-induced strategy to construct flexible high-performance asymmetric supercapacitors

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9, Pages 1208-1220 doi: 10.1007/s11705-023-2304-1

Abstract: Flexible and sustainable sodium lignosulfonate-based electrodes are successfully developed, showing perfectoxide and polyaniline is undoubtedly beneficial to advance the process for the construction of green flexible

Keywords： molecular synergy pseudocapacitive lignosulfonate flexible electronic devices asymmetric supercapacitor