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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 structuressteel structures and so forth.paper provides a review of the structural characteristics and practical applications in China of modern rigidspace structures, 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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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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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 fixedThis kind of spacecraft is a complicated structure system composed of rigid main body and composite flexiblestructures; 2.some 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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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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Numerical simulation of multi-body floating piers to investigate pontoon stability

Mostafa Shahrabi, Khosrow Bargi

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3, Pages 325-331 doi: 10.1007/s11709-013-0209-7

Abstract: procedure to analyze the motions of a floating pier comprised of several pontoons that are modeled as rigidbodies and connected to each other by flexible and rigid connectors.

Keywords： coastal structures numerical simulation floating pier rigid pontoons stability

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numerical simulation on compressive buckling behavior of thin steel skins in unilateral contact with rigid

Nicholas KEAGE, Christopher MAIOLO, Rebecca PIEROTTI, Xing MA

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3, Pages 335-343 doi: 10.1007/s11709-011-0121-y

Abstract: In this paper, a practical test and finite element analysis has been undertaken to further investigate the effects of contact buckling. A test rig was designed and constructed to record vertical and transverse deflections of compressively loaded steel skin plates. The boundary conditions were modeled as fully fixed. A finite element analysis was also undertaken using the software package Strand7. Results from both analyses have been examined and compared to data established from previous studies on contact buckling. Both the finite element analysis and practical results correlate well with this data. The result of the investigation has confirmed contact buckling theories and has foreshadowed the onset of the newly observed phenomenon of secondary contact buckling.

Keywords： compressive buckling thin steel skins unilateral contact rigid constraints

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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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Fundamental buckling of circular plates with elastically restrained edges and resting on concentric rigid

Lokavarapu Bhaskara Rao, Chellapilla Kameswara Rao

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3, Pages 291-297 doi: 10.1007/s11465-013-0255-9

Abstract: This work presents the existence of buckling mode switching with respect to the radius of concentric rigidThe optimum radius of the concentric rigid ring support for maximum buckling load is also determined.Introducing internal rigid ring support, when placed at an optimal position increases the elastic buckling

Keywords： buckling circular plate elastically restrained edge rigid ring support mode switching

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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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Finite element modeling of environmental effects on rigid pavement deformation

Sunghwan KIM,Halil CEYLAN,Kasthurirangan GOPALAKRISHNAN

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2, Pages 101-114 doi: 10.1007/s11709-014-0254-x

Abstract: In this study, finite element (FE)-based primary pavement response models are employed for investigating the early-age deformation characteristics of jointed plain concrete pavements (JPCP) under environmental effects. The FE-based ISLAB (two-and-one-half-dimensional) and EverFE (three-dimensional) software were used to conduct the response analysis. Sensitivity analyses of input parameters used in ISLAB and EverFE were conducted based on field and laboratory test data collected from instrumented pavements on highway US-34 near Burlington, Iowa. Based on the combination of input parameters and equivalent temperatures established from preliminary studies, FE analyses were performed and compared with the field measurements. Comparisons between field measured and computed deformations showed that both FE programs could produce reasonably accurate estimates of actual slab deformations due to environmental effects using the equivalent temperature difference concept.

Keywords： jointed plain concrete pavements (JPCP) curling and warping sensitivity analyses rigid pavement analysis

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Modeling of semi-rigid beam-to-column steel joints under extreme loading

C FANG, B A IZZUDDIN, A Y ELGHAZOULI, D A NETHERCOT

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3, Pages 245-263 doi: 10.1007/s11709-013-0215-9

Abstract: Joints play an important role in providing ductility for steel-composite structures subject to extremeDue to sound energy dissipation capability and fabrication efficiency, semi-rigid joints have increasinglyThis paper presents a component approach for modeling semi-rigid beam-to-column joints based on Eurocode3

Keywords： semi-rigid joint component method ductility elevated temperature

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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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Phenolic rigid organic filler/isotactic polypropylene composites. III. Impact resistance property

Heming LIN, Dongming QI, Jian HAN, Zhiqi CAI, Minghua WU

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2, Pages 176-181 doi: 10.1007/s11705-009-0203-8

Abstract: A novel phenolic rigid organic filler (KT) was used to modify isotactic polypropylene (iPP).

Keywords： rigid organic filler polypropylene impact resistance

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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