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Practical optimization of deployable and scissor-like structures using a fast GA method

M. SALAR, M. R. GHASEMI, B. DIZANGIAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 557-568 doi: 10.1007/s11709-018-0497-z

Abstract: This paper addresses practical sizing optimization of deployable and scissor-like structures from a newAt this time, there is a few studies done considering practical optimization of these structures.In foldable scissor-like structures, connections have a complex behavior.Optimization results show that despite less weight for aluminum models than steel models, aluminum deployablestructures are not affordable because they need more material than steel structures and cause more environmental

Keywords： optimization     scissor-like structures     deployable structures     genetic algorithm     ABAQUS    

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Recent Advances in Space-Deployable Structures in China

Xiaofei Ma, Tuanjie Li, Jingya Ma, Zhiyi Wang, Chuang Shi, Shikun Zheng, Qifeng Cui, Xiao Li, Fan Liu, Hongwei Guo, Liwu Liu, Zuowei Wang, Yang Li

Engineering 2022, Volume 17, Issue 10,   Pages 207-219 doi: 10.1016/j.eng.2022.04.013

Abstract: Once in orbit, the structures are released from the fairing, deployed, and positioned.structures have become cutting-edge research topics in space science and technology.This paper summarizes the current research status and development trend of spacedeployable structuresin China, including large space mesh antennas, space solar arrays, and deployable structures andCritical technologies of space-deployable structures are addressed from the perspectives of deployable

Keywords： Deployable space structures     Mesh antennas     Solar arrays     Deep-space exploration    

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Design and experiment of a novel pneumatic soft arm based on a deployable origami exoskeleton

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11465-023-0770-2

Abstract: The joint module of the soft arm was composed of a deployable origami exoskeleton and three soft airbags

Keywords： pneumatic soft arm     soft airbag     deployable origami exoskeleton     bistable characteristics     cargo-loading    

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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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Effect of / molecular structures on pyrolysis performance and heat sink of decalin isomers

Frontiers of Chemical Science and Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11705-023-2375-z

Abstract: mixtures (denoted as mix-decalin), in order to clarify the effects of the cis-/trans-structuresThis work demonstrates the relationship between the cis/trans structures and the pyrolysis

Keywords： endothermic fuel     decalin     pyrolysis     heat sink     molecular structure    

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Lateral shear performance of sheathed post-and-beam wooden structures with small panels

Frontiers of Structural and Civil Engineering   Pages 1117-1131 doi: 10.1007/s11709-023-0939-0

Abstract: Sheathed post-and-beam wooden structures are distinct from light-wood structures.coefficients were all greater than 2.5, which satisfied the deformation requirements of residential structuresBased on the test and FE analysis results, the shear strength of the post-and-beam wooden structures

Keywords： post-and-beam wooden structures with sheathed walls     low reversed cyclic loading     bearing capacity     stiffness    

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A numerical framework for underground structures in layered ground under inclined P-SV waves using stiffness

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 10-24 doi: 10.1007/s11709-022-0904-3

Abstract: A numerical framework was proposed for the seismic analysis of underground structures in layered groundNumerical results show that SV-waves are more destructive to underground structures than P-waves, andthe responses of underground structures are significantly affected by the incident angles.

Keywords： underground structures     seismic response     stiffness matrix method     domain reduction method     P-SV waves    

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Reliability-based design optimization of offshore wind turbine support structures using RBF surrogate

Frontiers of Structural and Civil Engineering   Pages 1086-1099 doi: 10.1007/s11709-023-0976-8

Abstract: Reliability-based design optimization of offshore wind turbine support structures using RBF surrogate

Keywords： RBF     surrogate model     turbine support structures    

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Cutting performance of surgical electrodes by constructing bionic microstriped structures

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0728-9

Abstract: Surgical electrodes rely on thermal effect of high-frequency current and are a widely used medical tool for cutting and coagulating biological tissue. However, tissue adhesion on the electrode surface and thermal injury to adjacent tissue are serious problems in surgery that can affect cutting performance. A bionic microstriped structure mimicking a banana leaf was constructed on the electrode via nanosecond laser surface texturing, followed by silanization treatment, to enhance lyophobicity. The effect of initial, simple grid-textured, and bionic electrodes with different wettabilities on tissue adhesion and thermal injury were investigated using horizontal and vertical cutting modes. Results showed that the bionic electrode with high lyophobicity can effectively reduce tissue adhesion mass and thermal injury depth/area compared with the initial electrode. The formation mechanism of adhered tissue was discussed in terms of morphological features, and the potential mechanism for antiadhesion and heat dissipation of the bionic electrode was revealed. Furthermore, we evaluated the influence of groove depth on tissue adhesion and thermal injury and then verified the antiadhesion stability of the bionic electrode. This study demonstrates a promising approach for improving the cutting performance of surgical electrodes.

Keywords： surgical electrodes     tissue adhesion     thermal injury     bionic structures     cutting performance     medical    

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Mortarless structures based on topological interlocking

Arcady V. DYSKIN, Elena PASTERNAK, Yuri ESTRIN

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 188-197 doi: 10.1007/s11709-012-0156-8

Abstract: We review the principle of topological interlocking and analyze the properties of the mortarless structuresWe concentrate on structures built of osteomorphic blocks – the blocks possessing specially engineeredcontact surfaces allowing assembling various 2D and 3D structures.These structures are easy to build and can be made demountable.The overall structural integrity of these structures depends on the force imposed by peripheral constraint

Keywords： topological interlocking     fragmented structures     segmented structures     constraint     delamination     bending stiffness    

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Marine Structures: Future Trends and the Role of Universities Perspective

Preben Terndrup Pedersen

Engineering 2015, Volume 1, Issue 1,   Pages 131-138 doi: 10.15302/J-ENG-2015004

Abstract: paper emphasizes some of the challenges and trends associated with the future development of marine structuresefficiency of energy-consuming ships, and on design challenges related to energy-producing offshore structuresthe analysis tools that are most needed to enable sustainable designs for future ships and offshore structurescontains thoughts on the role of universities in education, research, and innovation regarding marine structures

Keywords： marine structures     ships     offshore structures     curriculum     research activities    

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Novel method of constructing generalized Hoberman sphere mechanisms based on deployment axes

Xuemin SUN, Yan-An YAO, Ruiming LI

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 89-99 doi: 10.1007/s11465-019-0567-5

Abstract: Second, the connection conditions of two GAEs II loops that share a common deployable center are discussed

Keywords： deployable mechanism     type II generalized angulated elements     Hoberman sphere mechanism     deployment axes    

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Ranking of design scenarios of TMD for seismically excited structures using TOPSIS

Sadegh ETEDALI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1372-1386 doi: 10.1007/s11709-020-0671-y

Abstract: In this paper, design scenarios of a tuned mass damper (TMD) for seismically excited structures are ranked

Keywords： seismic-excited building     TMD     optimum design     PSO     design scenario     TOPSIS    

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Materials-oriented integrated design and construction of structures in civil engineering—A review

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 24-44 doi: 10.1007/s11709-021-0794-9

Abstract: Material-oriented integrated design and construction of structures (MIDCS) combine materials engineeringexplore real-world examples of MIDCS, including the realization of MIDCS in timber seismic-resistant structures, masonry arch structures, long-span steel bridges, prefabricated/on-site extruded light-weight steelstructures, fiber-reinforced cementitious composites structures, and fiber-reinforced polymer bridgemanufacturing are briefly reviewed and discussed to demonstrate how MIDCS can combine materials and structures

Keywords： integrated design and construction     fiber-reinforced concrete     fiber-reinforced polymer     light-weight steel structures    

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Sustainability of steel structures: towards an integrated approach to life-time engineering design

Raffaele LANDOLFO, Lucrezia CASCINI, Francesco PORTIOLI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 304-314 doi: 10.1007/s01709-011-0123-9

Abstract: A special focus is devoted to the durability design of metal structures with respect to the degradationFinally a proposal towards an integrated approach to life-time engineering design of steel structures

Keywords： sustainability     life-time engineering     performance based design     durability     metal structures    

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Title Author Date Type Operation

Practical optimization of deployable and scissor-like structures using a fast GA method

M. SALAR, M. R. GHASEMI, B. DIZANGIAN

Journal Article

Recent Advances in Space-Deployable Structures in China

Xiaofei Ma, Tuanjie Li, Jingya Ma, Zhiyi Wang, Chuang Shi, Shikun Zheng, Qifeng Cui, Xiao Li, Fan Liu, Hongwei Guo, Liwu Liu, Zuowei Wang, Yang Li

Journal Article

Design and experiment of a novel pneumatic soft arm based on a deployable origami exoskeleton

Journal Article

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

Shilin DONG, Yang ZHAO, Dong XING

Journal Article

Effect of / molecular structures on pyrolysis performance and heat sink of decalin isomers

Journal Article

Lateral shear performance of sheathed post-and-beam wooden structures with small panels

Journal Article

A numerical framework for underground structures in layered ground under inclined P-SV waves using stiffness

Journal Article

Reliability-based design optimization of offshore wind turbine support structures using RBF surrogate

Journal Article

Cutting performance of surgical electrodes by constructing bionic microstriped structures

Journal Article

Mortarless structures based on topological interlocking

Arcady V. DYSKIN, Elena PASTERNAK, Yuri ESTRIN

Journal Article

Marine Structures: Future Trends and the Role of Universities

Preben Terndrup Pedersen

Journal Article

Novel method of constructing generalized Hoberman sphere mechanisms based on deployment axes

Xuemin SUN, Yan-An YAO, Ruiming LI

Journal Article

Ranking of design scenarios of TMD for seismically excited structures using TOPSIS

Sadegh ETEDALI

Journal Article

Materials-oriented integrated design and construction of structures in civil engineering—A review

Journal Article

Sustainability of steel structures: towards an integrated approach to life-time engineering design

Raffaele LANDOLFO, Lucrezia CASCINI, Francesco PORTIOLI

Journal Article