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Laser interference fabrication of large-area functional periodic structure surface

Lei WANG, Zi-Han WANG, Yan-Hao YU, Hong-Bo SUN

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 493-503 doi: 10.1007/s11465-018-0507-9

Abstract: The laser interference technique in particular has received attention because of its simplicity, lowHere, we reviewed the work on laser interference fabrication of large-area functional periodic structuresFor the common cases, four-beam interference and multi-exposure of two-beam interference were emphasizedThe relations between multi-beam interference and multi-exposure of two-beam interference were comparedPerspectives on future directions and applications for laser interference were presented.

Keywords： laser interference     four-beam interference     multi-exposure of two-beam interference     additive fabrication    

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Cellulose aerogels decorated with multi-walled carbon nanotubes: preparation, characterization, and applicationfor electromagnetic interference shielding

Jian LI,Caichao WAN

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 341-346 doi: 10.15302/J-FASE-2015082

Abstract: In this work, the environmentally-friendly hybrid aerogels consisting of cellulose and multi-walled carbonIn addition, the aerogels show a high electromagnetic interference (EMI) value of 19.4 dB.

Keywords： cellulose aerogels     carbon nanotubes     electromagnetic interference shielding     composites    

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Aerodynamic interference effects and mitigation measures on vortex-induced vibrations of two adjacent

Xiaoliang MENG, Ledong ZHU, Zhenshan GUO

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 4,   Pages 510-517 doi: 10.1007/s11709-011-0129-3

Abstract: interference between the two decks on the vortex-induced vibration (VIV) and the corresponding aerodynamicresults show that the VIV responses of both bridges can be significantly affected by the aerodynamic interferenceHowever, those of the leeward bridge are magnified substantially by aerodynamic interference if the samestructural and aerodynamic configurations are adopted for the two bridges.if different configurations are employed for the two bridges.

Keywords： separated parallel decks     vortex-induced vibration     aerodynamic interference     aerodynamic mitigation measure    

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Adaptive robust beamformer formulti-pair two-way relay networks with imperfect channel state information

Jin WANG,Feng SHU,Ri-qing CHEN,Yu-di CUI,Yu CHEN,Jun LI

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 3,   Pages 265-280 doi: 10.1631/FITEE.1500134

Abstract: In wideband multi-pair two-way relay networks, the performance of beamforming at a relay station (RS)

Keywords： Multi-pair two-way relay     Adaptive robust beamformer     Channel state information (CSI)     Maximum signal-to-interference-and-noise    

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Proposing two new methods to decrease lateral-torsional buckling in reduced beam section connections

Samira EBRAHIMI; Nasrin BAKHSHAYESH EGHBALI; Mohammad Mehdi AHMADI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1581-1598 doi: 10.1007/s11709-022-0886-1

Abstract: RWS) connections can prevent lateral-torsional buckling and web local buckling experienced by reduced beamThe present study aims to resolve the problems of RBS and RWS connections by proposing two new connectionsIn the first connection (RBS-ST), a series of stiffeners is connected to the beam in the reduced flangeFive beam-to-column joints with three different connections, including RBS, RBS-ST, and RW-RBS connections

Keywords： RBS     RBS-ST     RW-RBS     lateral-torsional buckling     cyclic performance    

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Processing parameter optimization of fiber laser beam welding using an ensemble of metamodels and MOABC

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0703-5

Abstract: In fiber laser beam welding (LBW), the selection of optimal processing parameters is challenging andThis study proposes a multi-objective optimization framework by combining an ensemble of metamodels (EMs) with the multi-objective artificial bee colony algorithm (MOABC) to identify the optimal welding

Keywords： laser beam welding     parameter optimization     metamodel     multi-objective    

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Scaled boundary finite element method with exact defining curves for two-dimensional linear multi-field

Jaroon RUNGAMORNRAT, Chung Nguyen VAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 201-214 doi: 10.1007/s11709-018-0488-0

Abstract: accurate numerical technique based upon the scaled boundary finite element method for the analysis of two-dimensionalboundary finite element formulation is established in a general framework allowing single-field and multi-field

Keywords： multi-field problems     defining curve     exact geometry     general boundary conditions     SBFEM    

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Semi-analytical approach for free vibration analysis of cracked beams resting on two-parameter elastic

Alborz MIRZABEIGY,Firooz BAKHTIARI-NEJAD

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 191-202 doi: 10.1007/s11465-014-0293-y

Abstract:

In present study, free vibration of cracked beams resting on two-parameter elastic foundation withEuler-Bernoulli beam hypothesis has been applied and translational and rotational elastic springs inThe crack is modeled as a mass-less rotational spring which divides beam into two segments.with general problem, the derived formulation has capability for analyzing free vibration of cracked beam

Keywords： free vibration     cracked beam     elastic foundation     restrained ends     differential transform method    

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Solar photocatalytic decomposition of two azo dyes on multi-walled carbon nanotubes (MWCNTs)/TiO 2 composites

Huilong WANG, Shuqin LIU, Hui WANG, Wenfeng JIANG,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 311-320 doi: 10.1007/s11783-010-0237-7

Abstract: Multi-walled carbon nanotubes (MWCNTs)/TiO composite photocatalysts with high photoactivity were preparedThe kinetics of photocatalytic degradation of two dyes was found to follow a pseudo-first-order rate

Keywords： sol-gel     multi-walled carbon nanotubes (MWCNTs)/TiO2 composite     photocatalysis     azo dye     solar irradiation    

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Elastoplastic frictional contact problem study on interference fits of compressor

ZHANG Hongwu, WU Changhua, LIAO Aihua

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 313-319 doi: 10.1007/s11708-008-0026-1

Abstract: A locomotive-type turbocharger compressor with 24 blades under combined centrifugal and interference-fitfrictional contact problems belongs to unspecified boundary problems where the interaction between twoTo save time in the numerical computation, a multi-substructure technique was adopted in the structuraldecrease the difficulty of the assembly process and ensure the safety of the working state, the amount of interference

Keywords： computation     thickness     interference-fit     interference     unspecified    

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The model and process simulation of multi-effect two stage evaporation system with solid separation

Li Ling, Ruan Qi

Strategic Study of CAE 2008, Volume 10, Issue 10,   Pages 54-60

Abstract:

A mathematical model of conventional design for the multi-effect twoomitting correlative block-smatrix in matrix equation, matrix equation could be used to describe the multi-effecttwo stage evaporation system without condensed water flash or solid separation.

Keywords： solid separation     mathematical model of multi-effect two stage evaporation     condensed water flash    

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Long-term exposure to air pollution and cerebrovascular disease: findings from Beijing Health Management

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1684-2

Abstract:

● This study explored the long-term association by double robust additive models.

Keywords： Air pollution     Cerebrovascular disease     Incidence     Long-term exposure     Doubly robust additive model    

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Construction and identification of lentiviral RNA interference vector of rat leptin receptor gene

Zhengjuan LIU, Jie BIAN, Yuchuan WANG, Yongli ZHAO, Dong YAN, Xiaoxia WANG

Frontiers of Medicine 2009, Volume 3, Issue 1,   Pages 57-60 doi: 10.1007/s11684-009-0003-z

Abstract: The aim of the present study was to construct the lentiviral RNA interference (RNAi) vector of rat OBRb

Keywords： receptors     leptin     RNA interference     lentivirus vector    

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A 39 GHz Dual-Channel Transceiver Chipset With an Advanced LTCC Package for 5G Multi-Beam MIMO Systems Aticle

Yiming Yu,Zhilin Chen,Chenxi Zhao,Huihua Liu,Yunqiu Wu,Wen-Yan Yin,Kai Kang

Engineering 2023, Volume 22, Issue 3,   Pages 125-140 doi: 10.1016/j.eng.2022.04.023

Abstract:

This article presents a 39 GHz transceiver front-end chipset for 5G multi-input multi-output (MIMOEach chip includes two variable-gain frequency-conversion channels and can support two simultaneous independentdual-channel transceiver chipset, and it achieves low packaging loss and high isolation between the twoBased on the chipset, a 39 GHz multi-beam prototype is also developed to perform the MIMO operation forThe over-the-air communication link for one- and two-stream transmission indicates that the multi-beam

Keywords： 5G     Multi-beam     Multi-input multi-output     Millimeter-wave     Transceiver     Wireless communication    

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Transmission performance analysisof IR- UWB system in multipath environment

Lin Di,Sha Xuejun ,Wu Xuanli ,Zhang Naitong

Strategic Study of CAE 2009, Volume 11, Issue 2,   Pages 75-81

Abstract: , intra- symbol multipath interference , and multiple access interference is proposed by studying the, inter- symbol interference and multiuser interference, system BER formulation is obtained and verifiedBy analyzing the average multipath interval and comparing BERs with and without intra- symbol interference, the results show that intra- symbol interference should not be neglected.and the maximum average transmission data rate is analyzed corresponding to different user numbers in multi

Keywords： Ultra- Wideband     intra- symbol multipath interference     inter- symbol interference     multi- userinterference    

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Title Author Date Type Operation

Laser interference fabrication of large-area functional periodic structure surface

Lei WANG, Zi-Han WANG, Yan-Hao YU, Hong-Bo SUN

Journal Article

Cellulose aerogels decorated with multi-walled carbon nanotubes: preparation, characterization, and applicationfor electromagnetic interference shielding

Jian LI,Caichao WAN

Journal Article

Aerodynamic interference effects and mitigation measures on vortex-induced vibrations of two adjacent

Xiaoliang MENG, Ledong ZHU, Zhenshan GUO

Journal Article

Adaptive robust beamformer formulti-pair two-way relay networks with imperfect channel state information

Jin WANG,Feng SHU,Ri-qing CHEN,Yu-di CUI,Yu CHEN,Jun LI

Journal Article

Proposing two new methods to decrease lateral-torsional buckling in reduced beam section connections

Samira EBRAHIMI; Nasrin BAKHSHAYESH EGHBALI; Mohammad Mehdi AHMADI

Journal Article

Processing parameter optimization of fiber laser beam welding using an ensemble of metamodels and MOABC

Journal Article

Scaled boundary finite element method with exact defining curves for two-dimensional linear multi-field

Jaroon RUNGAMORNRAT, Chung Nguyen VAN

Journal Article

Semi-analytical approach for free vibration analysis of cracked beams resting on two-parameter elastic

Alborz MIRZABEIGY,Firooz BAKHTIARI-NEJAD

Journal Article

Solar photocatalytic decomposition of two azo dyes on multi-walled carbon nanotubes (MWCNTs)/TiO 2 composites

Huilong WANG, Shuqin LIU, Hui WANG, Wenfeng JIANG,

Journal Article

Elastoplastic frictional contact problem study on interference fits of compressor

ZHANG Hongwu, WU Changhua, LIAO Aihua

Journal Article

The model and process simulation of multi-effect two stage evaporation system with solid separation

Li Ling, Ruan Qi

Journal Article

Long-term exposure to air pollution and cerebrovascular disease: findings from Beijing Health Management

Journal Article

Construction and identification of lentiviral RNA interference vector of rat leptin receptor gene

Zhengjuan LIU, Jie BIAN, Yuchuan WANG, Yongli ZHAO, Dong YAN, Xiaoxia WANG

Journal Article

A 39 GHz Dual-Channel Transceiver Chipset With an Advanced LTCC Package for 5G Multi-Beam MIMO Systems

Yiming Yu,Zhilin Chen,Chenxi Zhao,Huihua Liu,Yunqiu Wu,Wen-Yan Yin,Kai Kang

Journal Article

Transmission performance analysisof IR- UWB system in multipath environment

Lin Di,Sha Xuejun ,Wu Xuanli ,Zhang Naitong

Journal Article