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Border-search and jump reduction method for size optimization of spatial truss structures

Babak DIZANGIAN, Mohammad Reza GHASEMI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 123-134 doi: 10.1007/s11709-018-0478-2

Abstract: This paper proposes a sensitivity-based border-search and jump reduction method for optimum design ofSensitivity analysis is performed using numerical finite difference method.It shows that the proposed method is competitive with the other optimization methods with a significantreduction in number of analyses carried.

Keywords： optimum design     sensitivity analysis     reduction method     spatial trusses     OpenSees    

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Achieving air pollutant emission reduction targets with minimum abatement costs: An enterprise-levelallocation method with constraints of fairness and feasibility

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1459-6

Abstract:

• Quantification of efficiency and fairness of abatement allocation are optimized.

Keywords： Pollutant emission reduction allocation     Emission reduction measures     Total abatement cost     Economic    

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Development of an H reduction and moderate oxidation method for 3,5-dimethylpyridine hydrogenation in

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1807-1817 doi: 10.1007/s11705-022-2243-2

Abstract: The Ru/C catalyst prepared by impregnation method was used for hydrogenation of 3,5-dimethylpyridineTherefore, an in-situ H2 reduction and moderate oxidation method was developed to increaseMoreover, the influence of oxidation temperature on the developed method was investigated.The catalysts were characterized by Brunauer–Emmett–Teller method, hydrogen temperature programmed reductionThe developed in-situ H2 reduction and moderate oxidation method eliminated the step

Keywords： Ru/C catalyst     in-situ H2 reduction and moderate oxidation     in-situ reduction     non-in-situ reduction     hydrogenation of 3     5-dimethylpyridine    

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underground structures in layered ground under inclined P-SV waves using stiffness matrix and domain reduction

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

Abstract: The free-field responses are first obtained using the stiffness matrix method based on plane-wave assumptionsThen, the domain reduction method was employed to reproduce the wavefield in the numerical model of the

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

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Model reduction of contact dynamics simulation using a modified Lyapunov balancing method

Jianxun LIANG, Ou MA, Caishan LIU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 383-391 doi: 10.1007/s11465-011-0244-9

Abstract: Although many model reduction techniques have been available to improve the efficiency of finite elementThis paper presents a model reduction approach for finite-element based multibody contact dynamics simulation, based on a modified Lyapunov balanced truncation method.An example is presented to demonstrate that, by applying the model reduction the simulation process isThe performance of the method with respect to some influential factors such as element size, shape and

Keywords： contact dynamics     dynamic simulation     model reduction     finite element method    

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Efficient and selective electro-reduction of nitrobenzene by the nano-structured Cu catalyst preparedby an electrodeposited method via tuning applied voltage

Yali CHEN,Lu XIONG,Weikang WANG,Xing ZHANG,Hanqing YU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 897-904 doi: 10.1007/s11783-015-0782-1

Abstract: Selective reduction of nitrobenzene to aniline is beneficial to further efficient and cost-effectiveElectrochemical reduction is a promising method and Cu-based catalysts have been found to be an efficientCu catalysts with different morphologies were fabricated on Ti plate using a facile electrodepositon methodEffects of the working potential and initial nitrobenzene concentration on the selective reduction ofprepare highly efficient, cost-effective, and stable nano-structured electrocatalysts for pollutant reduction

Keywords： nitrobenzene     nano-structured Cu     electro-reduction     voltage-dependent electrodeposition     high selectivity    

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The influencing factors of the WTP for the risk reduction of chemical industry accidents in China

Lei HUANG, Zhijuan SHAO, Weiliang BAO, Bailing DUAN, Jun BI, Zengwei YUAN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 860-868 doi: 10.1007/s11783-012-0467-y

Abstract: To explore the factors that influence respondents’ willingness to pay (WTP) for the risk reduction ofThe mean WTP value increased as the magnitude of the risk reduction increased.The number of factors influencing the WTP decreased as the reduction level improved, and only the factorhad a significant influence on the WTP for a higher level (80%) of risk reduction.The cost for chemical safety management of Yancheng was calculated, and the optimized risk reduction

Keywords： risk perception     willingness to pay     contingent valuation method     risk management school of the environment    

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A MATLAB code for the material-field series-expansion topology optimization method

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 607-622 doi: 10.1007/s11465-021-0637-3

Abstract: presents a MATLAB implementation of the material-field series-expansion (MFSE) topo-logy optimization methodThe MFSE method uses a bounded material field with specified spatial correlation to represent the structuralWith the series-expansion method for bounded fields, this material field is described with the characteristicCompared with the conventional density-based method, the MFSE method decouples the topological descriptionfinite element discretization, and greatly reduces the number of design variables after dimensionality reduction

Keywords： MATLAB implementation     topology optimization     material-field series-expansion method     bounded materialfield     dimensionality reduction    

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Novel coprecipitation–oxidation method for recovering iron from steel waste pickling liquor

Shejiang Liu, Hongyang Yang, Yongkui Yang, Yupeng Guo, Yun Qi

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 1, doi: 10.1007/s11783-017-0902-1

Abstract: Coprecipitation–oxidation method was developed to recover the iron from wastewater.A novel combined coprecipitation–oxidation method for iron recovery by Fe O nanoparticle productionAn oxidation–reduction potential monitoring method was developed for real-time control of the Fe /FeThe key coprecipitation–oxidation parameters were determined using the orthogonal experimental design methodThe results show that this novel coprecipitation–oxidation method has great potential for recycling iron

Keywords： Waste pickling liquor     Coprecipitation–oxidation     Fe3O4 nanoparticles     Oxidation–reduction    

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Electrocatalytic reduction of NO to NH in ionic liquids by P-doped TiO nanotubes

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 726-734 doi: 10.1007/s11705-022-2274-8

Abstract: Designing advanced and cost-effective electrocatalytic system for nitric oxide (NO) reduction reactionNoteworthy, the obtained performance metrics are significantly larger than those for N2 reduction

Keywords： nitric oxide reduction reaction     electrcatalysis     ammonia production     phosphorus-doped titania    

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Enhancement of extracellular Cr(VI) reduction for anammox recovery using hydrazine: performance, pathways

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1715-z

Abstract:

● N2H4 addition enhanced and recovered anammox performance under Cr(VI) stress.

Keywords： Extracellular Cr(VI) reduction     Electron transfer     Anammox     Hydrazine     Cr(VI) inhibition    

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Recent advances and challenges of nitrogen/nitrate electro catalytic reduction to ammonia synthesis

Frontiers in Energy doi: 10.1007/s11708-023-0908-2

Abstract: Electrochemical synthesis of ammonia is a green and mild new method for preparing ammonia, which canHerein, the basic mechanism of the nitrogen reduction reaction (NRR) to ammonia and nitrate reduction

Keywords： electrochemical ammonia synthesis     nitrogen     nitrate     nitrogen reduction reaction (NRR) to ammonia     nitratereduction reaction (NO–3 RR)    

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Strength reduction factors for structural rubbercrete

Bashar S. MOHAMMED,N. J. AZMI

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 270-281 doi: 10.1007/s11709-014-0265-7

Abstract: Equations for the reduction factors (RFs) for compressive strength, flexural strength, splitting tensile

Keywords： crumb rubber     recycled tire     mix design     reduction factor     strength     modulus elasticity    

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A review of Pt-based electrocatalysts for oxygen reduction reaction

Changlin ZHANG, Xiaochen SHEN, Yanbo PAN, Zhenmeng PENG

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 268-285 doi: 10.1007/s11708-017-0466-6

Abstract: Development of active and durable electrocatalyst for oxygen reduction reaction (ORR) remains one challenge

Keywords： oxygen reduction reaction (ORR)     electrocatalysis     platinum catalyst     activity     durability    

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Reduction of CeO

Elena Yu. KONYSHEVA

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 249-261 doi: 10.1007/s11705-013-1333-6

Abstract: Reduction behavior of pure and doped CeO , the multi-phase La Sr CoO ? CeO , La Sr MnO ?The enhanced reduction of cerium oxide was observed initially at 800°C in all composites in spite ofDue to continuous reduction of cerium oxide in La Sr CoO ? CeO and La Sr MnO ?After 3 h exposure to H -Ar at 800°C the reduction of cerium oxides and perovskite phases in La Ni FeThe extent of cerium oxide involvement in the reduction process varies with time, and depends on its

Keywords： reduction of cerium oxide     composites     perovskites     catalyst under hydrogen containing atmosphere    

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Title Author Date Type Operation

Border-search and jump reduction method for size optimization of spatial truss structures

Babak DIZANGIAN, Mohammad Reza GHASEMI

Journal Article

Achieving air pollutant emission reduction targets with minimum abatement costs: An enterprise-levelallocation method with constraints of fairness and feasibility

Journal Article

Development of an H reduction and moderate oxidation method for 3,5-dimethylpyridine hydrogenation in

Journal Article

underground structures in layered ground under inclined P-SV waves using stiffness matrix and domain reduction

Journal Article

Model reduction of contact dynamics simulation using a modified Lyapunov balancing method

Jianxun LIANG, Ou MA, Caishan LIU

Journal Article

Efficient and selective electro-reduction of nitrobenzene by the nano-structured Cu catalyst preparedby an electrodeposited method via tuning applied voltage

Yali CHEN,Lu XIONG,Weikang WANG,Xing ZHANG,Hanqing YU

Journal Article

The influencing factors of the WTP for the risk reduction of chemical industry accidents in China

Lei HUANG, Zhijuan SHAO, Weiliang BAO, Bailing DUAN, Jun BI, Zengwei YUAN

Journal Article

A MATLAB code for the material-field series-expansion topology optimization method

Journal Article

Novel coprecipitation–oxidation method for recovering iron from steel waste pickling liquor

Shejiang Liu, Hongyang Yang, Yongkui Yang, Yupeng Guo, Yun Qi

Journal Article

Electrocatalytic reduction of NO to NH in ionic liquids by P-doped TiO nanotubes

Journal Article

Enhancement of extracellular Cr(VI) reduction for anammox recovery using hydrazine: performance, pathways

Journal Article

Recent advances and challenges of nitrogen/nitrate electro catalytic reduction to ammonia synthesis

Journal Article

Strength reduction factors for structural rubbercrete

Bashar S. MOHAMMED,N. J. AZMI

Journal Article

A review of Pt-based electrocatalysts for oxygen reduction reaction

Changlin ZHANG, Xiaochen SHEN, Yanbo PAN, Zhenmeng PENG

Journal Article

Reduction of CeO

Elena Yu. KONYSHEVA

Journal Article