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Concurrent optimization of structural topology and infill properties with a CBF-based level set method

Long JIANG, Yang GUO, Shikui CHEN, Peng WEI, Na LEI, Xianfeng David GU

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 171-189 doi: 10.1007/s11465-019-0530-5

Abstract: framework is proposed to concurrently optimize the structural topology at the macroscale and the effective infillWithin the proposed framework, both the structural boundary evolution and the effective infill propertyboundary layer using the shape-preserving conformal mapping method, which leads to a hierarchical physical structurewith optimized overall topology and effective infill properties.is expected to provide a timely solution to the increasing demand for multiscale and multifunctional structure

Keywords： concurrent topology optimization     parametric level set method     cardinal basis function     shell-infill structure    

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Property-performance relationship of core-shell structured black TiO photocatalyst for environmental

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1711-3

Abstract:

● Properties and performance relationship of CSBT photocatalyst were investigated.

Keywords： Black TiO2     Core-shell structure     Property-performance relationship     Agro-industrial effluent    

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Recent advances in gold-metal oxide core-shell nanoparticles: Synthesis, characterization, and their

Michelle Lukosi,Huiyuan Zhu,Sheng Dai

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 1,   Pages 39-56 doi: 10.1007/s11705-015-1551-1

Abstract: The advantage of the core-shell structure lies in its capacity to retain catalytic activity under thermalparticularly useful for gold nanoparticles in protecting them from sintering so that they retain their size, structureThe different methods of synthesizing such a structure have been compiled into three categories: seed-mediatedDifferent factors that could influence the catalyst’s performance are the size, structure, choice ofthe core and shell.

Keywords： core-shell     characterization     core-shell structure     Different     stability    

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Mechanical properties characterization of different types of masonry infill walls

André FURTADO, Hugo RODRIGUES, António ARÊDE, Humberto VARUM

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 411-434 doi: 10.1007/s11709-019-0602-y

Abstract: remarkable, the recent advances concerning the development of numerical modeling frameworks to simulate the infillthis paper is to present an extensive experimental campaign of mechanical characterization tests of infillThe second objective of this study was to compare the mechanical properties of as-built and existing infill

Keywords： masonry infill walls     experimental characterization     compression strength     shear diagonal strength     flexural    

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NiCo2O4@quinone-rich N–C core–shell nanowires as composite electrode for electric double layer capacitor

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 373-386 doi: 10.1007/s11705-022-2223-6

Abstract: Then, the quinone-rich nitrogen-doped carbon shell structure was formed around NiCo2O

Keywords： carbon cloth     NiCo2O4 nanowires     core−shell structure     quinone-rich     electric double    

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Preparation of nZVI embedded modified mesoporous carbon for catalytic persulfate to degradation of reactive black 5

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1372-4

Abstract:

• The MCNZVI is prepared as an interesting material for PS activation.

Keywords： MCNZVI     Core-shell structure     Reactive Black 5     Persulfate     Mechanism    

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Isogeometric cohesive zone model for thin shell delamination analysis based on Kirchhoff-Love shell model

Tran Quoc THAI, Timon RABCZUK, Xiaoying ZHUANG

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 267-279 doi: 10.1007/s11709-019-0567-x

Abstract: The isogeometric (IGA) thin shell model is based on Kirchhoff-Love theory.Non-Uniform Rational B-Splines (NURBS) are used to discretize the exact mid-surface of the shell geometry

Keywords： cohesive zone model     IGA     Kirchhoff-Love model     thin shell analysis     delamination    

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Seismic fragility assessment of revised MRT buildings considering typical construction changes

Rakesh DUMARU, Hugo RODRIGUES, Humberto VARUM

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 241-266 doi: 10.1007/s11709-019-0560-4

Abstract: later modified through variable number of storeys (three, four, and five) and different arrangement of infillThe application of infill walls increases the fundamental frequencies, stiffness, and maximum strengthThe vulnerability was also reduced through infill walls, where the probability of exceeding partial-collapseAnd increase in number of storeys causes building highly vulnerable although the infill walls were considered

Keywords： mid-rise buildings     revised NBC 205: 2012     masonry infill walls     configurations of infill walls     vulnerability    

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Chemical Resistant Yarn with Hierarchical Core–Shell Structure for Safety Monitoring and Tunable Thermal Article

Duo Xu, Yingcun Liu, Can Ge, Chong Gao, Ze Chen, Ziyi Su, Haoran Gong, Weilin Xu, Jian Fang

Engineering 2024, Volume 32, Issue 1,   Pages 221-229 doi: 10.1016/j.eng.2023.06.018

Abstract: Herein, the design, manufacturing, and use of stretchable hierarchical core–shell yarns (HCSYs)Furthermore, a desirable dynamic thermoregulation function is achieved by exploiting the fabric structure

Keywords： Hierarchical core–shell structure     Chemical resistant yarn     Wearable strain sensor     Thermoregulation    

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Fabrication of MIL-100(Fe)@SiO

Yinlong Hu,Shuang Zheng,Fumin Zhang

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 4,   Pages 534-541 doi: 10.1007/s11705-016-1596-9

Abstract: In this regard, magnetic MIL-100(Fe)@SiO @Fe O microspheres with a novel core-shell structure were fabricated

Keywords： metal-organic frameworks     heterogeneous catalysis     magnetically recoverable catalysts     core-shell structure    

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Cyclic behavior of prefabricated reinforced concrete frame with infill slit shear walls

Kui XIAO,Qilin ZHANG,Bin JIA

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 63-71 doi: 10.1007/s11709-015-0294-x

Abstract: A composite structural system consisting of prefabricated reinforced concrete frame with infill slitshear walls (PRCFW), with good ductility, is a new type of earthquake resistant structure.ABAQUS and the constitutive model of concrete proposed by Chinese code, the damage process of the PRCFW structure

Keywords： slit shear wall     constitutive model     cyclic     seismic     damage    

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Development of new systems of reinforced concrete　spatial grid structure in China

Ma Kejian,Zhang Huagang,Xiao Jianchun,Lu Yaqin

Strategic Study of CAE 2008, Volume 10, Issue 8,   Pages 22-34

Abstract: structure, open-web sandwich plate structure, open-web dual grid structure, cast-in-place concrete roundeye hollow plate structure, these new structure systems have been applied in the plate of public buildingsIn recent years, we have developed the reinforced concrete open-web sandwich shell and arch structureconcrete open-web sandwich hyperbolic flat shell structure through bending the reinforced concrete open-websandwich plate structure by the two directions These new spatial grid structure systems have the proprietary

Keywords： reinforced concrete     open-web sandwich plate     cast-in-place concrete round eye hollow plate     grid structure     shell structure    

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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 andit showed better blast resistant performance as compared to flat SCS sandwich shell via developing compressiveforce along the shell.P-I) diagram was constructed as a convenient tool to predict the damage level of curved SCS sandwich shellThe curved SCS sandwich shell was equivalent to a single-degree-of-freedom (SDOF) system and the equation

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

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Exploiting Additive Manufacturing Infill in Topology Optimization for Improved Buckling Load Artical

Anders Clausen, Niels Aage, Ole Sigmund

Engineering 2016, Volume 2, Issue 2,   Pages 250-257 doi: 10.1016/J.ENG.2016.02.006

Abstract: The opportunity of using porous infill as an integrated part of the manufacturing process is an examplewe show how the so-called coating approach to topology optimization provides a means for designing infill-basedDepending on the properties of the infill material, the buckling load may be more than four times higher

Keywords： Additive manufacturing     Infill     Topology optimization     Buckling    

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Pyrolysis transformation of ZIF-8 wrapped with polytriazine to nitrogen enriched core-shell polyhedrons

Nuoya Wang, Xinhua Huang, Lei Zhang, Jinsong Hu, Yimin Chao, Ruikun Zhao

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 944-953 doi: 10.1007/s11705-020-2005-y

Abstract: This work presents a simple effective strategy to synthesize -doped and shell-controlled carbon nanocagesA green approach to synthesize core-shell ZIF-8@PTZ nanoparticles involves zinc contained ZIF-8 coreSynthesized core-shell ZIF-8@PTZ nanoparticles are calcinated to further sublime zinc through PTZ shelland washed by HCl, leaving a porous carbon structure.

Keywords： core-shell     EDLC electrode     microporos nano polygons     nitrogen doped carbon    

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Title Author Date Type Operation

Concurrent optimization of structural topology and infill properties with a CBF-based level set method

Long JIANG, Yang GUO, Shikui CHEN, Peng WEI, Na LEI, Xianfeng David GU

Journal Article

Property-performance relationship of core-shell structured black TiO photocatalyst for environmental

Journal Article

Recent advances in gold-metal oxide core-shell nanoparticles: Synthesis, characterization, and their

Michelle Lukosi,Huiyuan Zhu,Sheng Dai

Journal Article

Mechanical properties characterization of different types of masonry infill walls

André FURTADO, Hugo RODRIGUES, António ARÊDE, Humberto VARUM

Journal Article

NiCo2O4@quinone-rich N–C core–shell nanowires as composite electrode for electric double layer capacitor

Journal Article

Preparation of nZVI embedded modified mesoporous carbon for catalytic persulfate to degradation of reactive black 5

Journal Article

Isogeometric cohesive zone model for thin shell delamination analysis based on Kirchhoff-Love shell model

Tran Quoc THAI, Timon RABCZUK, Xiaoying ZHUANG

Journal Article

Seismic fragility assessment of revised MRT buildings considering typical construction changes

Rakesh DUMARU, Hugo RODRIGUES, Humberto VARUM

Journal Article

Chemical Resistant Yarn with Hierarchical Core–Shell Structure for Safety Monitoring and Tunable Thermal

Duo Xu, Yingcun Liu, Can Ge, Chong Gao, Ze Chen, Ziyi Su, Haoran Gong, Weilin Xu, Jian Fang

Journal Article

Fabrication of MIL-100(Fe)@SiO

Yinlong Hu,Shuang Zheng,Fumin Zhang

Journal Article

Cyclic behavior of prefabricated reinforced concrete frame with infill slit shear walls

Kui XIAO,Qilin ZHANG,Bin JIA

Journal Article

Development of new systems of reinforced concrete　spatial grid structure in China

Ma Kejian,Zhang Huagang,Xiao Jianchun,Lu Yaqin

Journal Article

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

Yonghui WANG, Ximei ZHAI

Journal Article

Exploiting Additive Manufacturing Infill in Topology Optimization for Improved Buckling Load

Anders Clausen, Niels Aage, Ole Sigmund

Journal Article

Pyrolysis transformation of ZIF-8 wrapped with polytriazine to nitrogen enriched core-shell polyhedrons

Nuoya Wang, Xinhua Huang, Lei Zhang, Jinsong Hu, Yimin Chao, Ruikun Zhao

Journal Article