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Isogeometric topology optimization based on energy penalization for symmetric structure

Xianda XIE, Shuting WANG, Ming YE, Zhaohui XIA, Wei ZHAO, Ning JIANG, Manman XU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 100-122 doi: 10.1007/s11465-019-0568-4

Abstract: We present an energy penalization method for isogeometric topology optimization using moving morphablepenalization method to an ITO–MMC with a symmetric constraint.The energy penalization method can solve the problems of numerical instability and convergence for theCompared with the conventional ITO–MMC, the energy penalization method for the ITO–MMC can improve theFor the ITO–MMC under a periodic symmetric constraint, the proposed energy penalization method can dramatically

Keywords： topology optimization     moving morphable component     isogeometric analysis     energy penalization method     symmetric    

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Influence of infiltration on energy consumption of a winery building

Hejiang SUN, Qingxia YANG

Frontiers in Energy 2014, Volume 8, Issue 1,   Pages 110-118 doi: 10.1007/s11708-013-0293-3

Abstract: The pressurization test method and moisture condensation method were used to test the infiltration ratesThe energy use simulation demonstrates that the reduction of the infiltration rate of the exterior roomsto 1/3 and the interior rooms to 1/2 could help decrease a total energy consumption of approximately20% and reduce a total energy cost of approximately $ 225000.Therefore, it has a great potential to reduce the energy consumption in this type of buildings.

Keywords： industrial building     air change rate     pressurization test method     moisture condensation method     energy cost    

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Design method and verification of a hybrid prosthetic mechanism with energy-damper clutchable device

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 747-764 doi: 10.1007/s11465-021-0644-4

Abstract: Inspired by motion–energy coupling relationship of the knee, a wearable energy-damper clutched devicethat can provide energy in knee stance flexion to facilitate the leg off from the ground and can impedeIts co-operation with the springs in the prismatic pairs enables the prosthetic mechanism to have the energy

Keywords： hybrid transfemoral prosthetic mechanism     energy recycling     wearable mechanical clutched device     mechanical    

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Topology optimization of transient problem with maximum dynamic response constraint using SOAR scheme

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 593-606 doi: 10.1007/s11465-021-0636-4

Abstract: This paper proposes a novel method for the continuum topology optimization of transient vibration problemThe density filter solid isotropic material with penalization method combined with threshold projection

Keywords： topology optimization     solid isotropic material with penalization     transient response     aggregation function    

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An optimized solar-air degree-day method to evaluate energy demand for poultry buildings in different

Yang WANG, Baoming LI

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 4,   Pages 478-489 doi: 10.15302/J-FASE-2019289

Abstract:

The degree-day method is widely used to determine energy consumption but cannot be directly applied;s Simulation Toolkit) simulation and the solar-air degree-day method.Approaches to decrease energy consumption were developed.The accuracy of calculating energy requirements was improved by the solar-air degree-day method in theOrientation and surface color effects on energy consumption need to be considered, and external walls

Keywords： base temperature     energy consumption     solar radiation     orientation     surface color    

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Method for rating energy performance of public buildings

Jincheng XING,Youli LI,Jihong LING,Huiyang YU,Liwen WANG

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 379-385 doi: 10.1007/s11708-014-0328-4

Abstract: This paper discussed a comparative study of several state-of-art methods for determining building energycalculation of benchmarks of the reference building model and real building model using the rating methodreference building model were taken as the baseline to divide real office buildings into different energy

Keywords： energy consumption benchmark     energy efficiency benchmark     energy performance level    

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Optimal operation of integrated energy system including power thermal and gas subsystems

Frontiers in Energy 2022, Volume 16, Issue 1,   Pages 105-120 doi: 10.1007/s11708-022-0814-z

Abstract: As a form of hybrid multi-energy systems, the integrated energy system contains different forms of energysuch as power, thermal, and gas which meet the load of various energy forms., the dist-flow method is applied to quickly calculate the power flow and the gas system model is builtIn addition, the piecewise linearization method is applied to solve the quadratic Weymouth gas flow equation, and the alternating direction method of multipliers (ADMM) method is applied to narrow the optimal

Keywords： integrated energy system     power-to-gas     dist-flow     piecewise linearization     alternating direction method    

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Solvent-free mechanochemical mild oxidation method to enhance adsorption properties of chitosan

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1416-4

Abstract:

• Solvent-free chitosan oxidation is obtained by rapid mechanochemical reaction.

Keywords： Chitosan     High energy ball milling     Mechanochemistry     Oxidation    

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A novel method for reliability and risk evaluation of wind energy conversion systems considering wind

Seyed Mohsen MIRYOUSEFI AVAL,Amir AHADI,Hosein HAYATI

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 46-56 doi: 10.1007/s11708-015-0384-4

Abstract: In this paper, a novel methodology based on the Weibull-Markov method is proposed for evaluating theBased on the proposed method, the COPT of the wind farm has been developed and utilized on the IEEE RBTSMoreover, the proposed method reduces the complexity of using analytical methods and provides an accurateFurthermore, several case studies are considered to demonstrate the effectiveness of the proposed method

Keywords： doubly-fed induction generator (DFIG)     composite system adequacy assessment     wind speed correlation    

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Time reversal method for guided wave inspection in pipes

DENG Fei, WU Bin, HE Cunfu

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3,   Pages 251-260 doi: 10.1007/s11465-008-0050-1

Abstract: The application of the time reversal method in pipe-like structures based on finite element method (FEMSimulation results show that the time reversal array method is beneficial to the improvement of the signal-to-noiseAs the intercepting window is widened, more energy is included in re-emitted signals, which leads toIn parallel, a circumferential locating method based on the time reversal method is described.Except for a pipe with one defect, the circumferential locating method has been verified on another pipe

Keywords： reversal process     beneficial     circumferential location     energy     number    

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Experimental investigation and ANN modeling on improved performance of an innovative method of usingheave response of a non-floating object for ocean wave energy conversion

Srinivasan CHANDRASEKARAN, Arunachalam AMARKARTHIK, Karuppan SIVAKUMAR, Dhanasekaran SELVAMUTHUKUMARAN, Shaji SIDNEY

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 279-287 doi: 10.1007/s11708-013-0268-4

Abstract: To convert wave energy into usable forms of energy by utilizing heaving body, heaving bodies (buoys)mechanical power takeoff is used to convert this up and down motion of the buoy to produce usable forms of energyThough using a floating buoy for harnessing wave energy is conventional, this device faces many challengesIn the present paper, an innovative heaving body type of wave energy converter with a non-floating object

Keywords： ocean wave energy     point absorbers     heaving body     non-floating object     heave response ratio     artificial neural    

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cattering-absorbing method for the detection of 16.7 MeV high-energy pulsed gamma

Tan Xinjian,Ouyang Xiaoping,Wang Qunshu

Strategic Study of CAE 2009, Volume 11, Issue 8,   Pages 48-51

Abstract:

This paper proposes a new method of diagnosing 16.7 MeV high-energy pulsedgamma, named "scattering-absorbing method" .of the sensitivity of HEG to that of the LEG can reach 106 to 108 by this new methodThe sensitivity of 16.7 MeV high-energy gamma ranges from 10-21 to 10-16 C·It's better than the traditional method which bases on the magnetic analyzer and Cherenkov detector

Keywords： high-energy gamma     Cherenkov detector     scattering absorption method    

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Lignin-based polymer with high phenolic hydroxyl group content prepared by the alkyl chain bridging method

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1075-1084 doi: 10.1007/s11705-022-2272-x

Abstract: materials, phenolic hydroxyl groups were introduced in lignosulfonate (LS) via the alkyl chain bridging methodThe CV results showed that the energy levels of PEDOT:PLSs could be flexibly adjusted by PLS amounts.indicate that the phenolic hydroxyl group of lignin can be easily boosted by the alkyl chain bridging method

Keywords： lignosulfonate     phenolic group     PEDOT:PLS     hole extract layer     energy level    

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efficient two-stage approach for structural damage detection using meta-heuristic algorithms and group method

Hamed FATHNEJAT, Behrouz AHMADI-NEDUSHAN

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 907-929 doi: 10.1007/s11709-020-0628-1

Abstract: In the first stage, in order to locate the damage accurately, the performance of the modal strain energysuch as natural frequency and flexibility matrix is compared with the mean normalized modal strain energyMoreover, a modal property change vector is evaluated using the group method of data handling (GMDH)

Keywords： two-stage method     modal strain energy     surrogate model     GMDH     optimization damage detection    

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ARC welding method for bonding steel with aluminum

Zhenyang LU, Pengfei HUANG, Wenning GAO, Yan LI, Hanpeng ZHANG, Shuyan YIN

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 134-146 doi: 10.1007/s11465-009-0033-x

Abstract: A new type of low energy input (LEI) welding technology is introduced which can be used to weld steelThus, the method can lead to a good performance joint.

Keywords： joining of steel and aluminum     low energy input welding     arc welding     fusion welding – brazing    

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Title Author Date Type Operation

Isogeometric topology optimization based on energy penalization for symmetric structure

Xianda XIE, Shuting WANG, Ming YE, Zhaohui XIA, Wei ZHAO, Ning JIANG, Manman XU

Journal Article

Influence of infiltration on energy consumption of a winery building

Hejiang SUN, Qingxia YANG

Journal Article

Design method and verification of a hybrid prosthetic mechanism with energy-damper clutchable device

Journal Article

Topology optimization of transient problem with maximum dynamic response constraint using SOAR scheme

Journal Article

An optimized solar-air degree-day method to evaluate energy demand for poultry buildings in different

Yang WANG, Baoming LI

Journal Article

Method for rating energy performance of public buildings

Jincheng XING,Youli LI,Jihong LING,Huiyang YU,Liwen WANG

Journal Article

Optimal operation of integrated energy system including power thermal and gas subsystems

Journal Article

Solvent-free mechanochemical mild oxidation method to enhance adsorption properties of chitosan

Journal Article

A novel method for reliability and risk evaluation of wind energy conversion systems considering wind

Seyed Mohsen MIRYOUSEFI AVAL,Amir AHADI,Hosein HAYATI

Journal Article

Time reversal method for guided wave inspection in pipes

DENG Fei, WU Bin, HE Cunfu

Journal Article

Experimental investigation and ANN modeling on improved performance of an innovative method of usingheave response of a non-floating object for ocean wave energy conversion

Srinivasan CHANDRASEKARAN, Arunachalam AMARKARTHIK, Karuppan SIVAKUMAR, Dhanasekaran SELVAMUTHUKUMARAN, Shaji SIDNEY

Journal Article

cattering-absorbing method for the detection of 16.7 MeV high-energy pulsed gamma

Tan Xinjian,Ouyang Xiaoping,Wang Qunshu

Journal Article

Lignin-based polymer with high phenolic hydroxyl group content prepared by the alkyl chain bridging method

Journal Article

efficient two-stage approach for structural damage detection using meta-heuristic algorithms and group method

Hamed FATHNEJAT, Behrouz AHMADI-NEDUSHAN

Journal Article

ARC welding method for bonding steel with aluminum

Zhenyang LU, Pengfei HUANG, Wenning GAO, Yan LI, Hanpeng ZHANG, Shuyan YIN

Journal Article