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Catalytic ozonation in advanced treatment of kitchen wastewater: multi-scale simulation and pilot-scale

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 12, doi: 10.1007/s11783-023-1746-5

Abstract:

● A multi-scale model of catalytic ozonation in a packed-bed reactor

Keywords： Catalytic ozonation Multi-scale simulation Pilot-scale study Kitchen wastewater

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Research Progress of Design Theory and Simulation of Composite Components

Tao Ran, He Chunwang, Luo Junrong, Mao Yiqi, Ma Lianhua

Strategic Study of CAE 2023, Volume 25, Issue 1, Pages 121-130 doi: 10.15302/J-SSCAE-2023.07.008

Abstract:

The design and simulation methods of composite components are vitalResearch pertaining to composite component design and simulation systems begins late in China and confrontsTherefore，the large-scale application of composite components in major equipment can hardly be realizedtheory of composite components under extreme and multi-field environment，dynamic analysis and designWe suggest that research should be conducted on multi-field and multi-scale design technology of

Keywords： composite material components multi-field and multi-scale design dynamic design data-driven simulation

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On the added value of multi-scale modeling of concrete

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1, Pages 1-23 doi: 10.1007/s11709-021-0790-0

Abstract: This review of the added value of multi-scale modeling of concrete is based on three representative examplesThe structural nature of the high-dynamic strength increase can be explained by using a multi-scale modelThe second example refers to multi-scale thermoelastic analysis of concrete pavements, subjected to solarThe third example deals with multi-scale structural analysis of a real-scale test of a segmental tunnelOverall, it is concluded that multi-scale models have indeed a significant added value.

Keywords： experiments multi-scale analysis conventional structural analysis concrete reinforced concrete

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Environmental dispersivity in free-water-surface-effect dominated wetland: multi-scale analysis

Zi WU, Zhi LI, Li ZENG, Ling SHAO, Hansong TANG, Qing YANG, Guoqian CHEN

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4, Pages 597-603 doi: 10.1007/s11783-011-0311-9

Abstract: the most-typical pattern of wetland as dominated by free-water-surface-effect is characterized by a multi-scaleevolution of the mean concentration is deduced as an extension of Taylor's classical formulation by Mei’s multi-scale

Keywords： free-surface wetland environmental dispersion multi-scale analysis

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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: The scaled boundary finite element formulation is established in a general framework allowing single-fieldand multi-field problems, bounded and unbounded bodies, distributed body source, and general boundary

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

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Mechanical response of a tunnel subjected to strike-slip faulting processes, based on a multi-scale modeling

Frontiers of Structural and Civil Engineering 2024, Volume 18, Issue 8, Pages 1281-1295 doi: 10.1007/s11709-024-1046-6

Abstract: A large-scale global numerical model for plate squeezing analysis is established, and the seemingly periodicFor a second model at a smaller scale, a local finite element model (sub-model), the time history ofThe integration of these models, creating a multi-scale modeling method, is used to evaluate the crackaction and the cracking characteristics of the tunnel are in substantial agreement with the previous fieldinvestigation and experimental results, validating the multi-scale modeling method.

Keywords： stick-slip action plate squeezing analysis multi-scale modeling method lining cracking mechanical

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Hard-rock tunnel lithology identification using multi-scale dilated convolutional attention network based

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 12, Pages 1796-1812 doi: 10.1007/s11709-023-0002-1

Abstract: method benefits from residual learning for training a deep convolutional neural network (DCNN), and a multi-scaleThe block with different dilation rates can provide various receptive fields, and thus it can extract multi-scale

Keywords： hard-rock tunnel face intelligent lithology identification multi-scale dilated convolutional attention

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Acoustic emission characteristics of damage evolution of multi-scale fiber reinforced rubberized concrete

Frontiers of Structural and Civil Engineering 2024, Volume 18, Issue 8, Pages 1237-1266 doi: 10.1007/s11709-024-1087-x

Abstract: Recently developed multi-scale fiber (i.e., CaCO₃ whisker, polyvinyl alcohol (PVA) fiber,Young’s modulus cannot reveal and characterize damage mechanisms, particularly those relating to the multi-scaleIn this study, acoustic emission (AE) technology is applied to investigate the impact of multi-scaleThe specimens without multi-scale fibers exhibit brittle failure, while the specimens with fibers exhibitIn addition, adding multi-scale fibers and crumb rubber increases the peak frequency in the medium and

Keywords： multi-scale fibers acoustic emission fracture damage evolution rubberized concrete

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A multi-scale model for CO

G. X. WANG, X. R. WEI, V. RUDOLPH, C. T. WEI, Y. QIN

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1, Pages 20-25 doi: 10.1007/s11705-009-0138-0

Abstract: This paper presents a multi-scale model to simulate the multicomponent gas diffusion and flow in bulk

Keywords： multi-scale model gas transport coal coalbed methane CO₂ sequestration

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Hydromechanical model for hydraulic fractures using XFEM

Bo HE

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1, Pages 240-249 doi: 10.1007/s11709-018-0490-6

Abstract: Finally, examples are presented to demonstrate the versatility and efficiency of this two-scale hydromechanical

Keywords： multi-phase medium porous fracture multi-scale method

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Characterization of random stress fields obtained from polycrystalline aggregate calculations using multi-scale

Bruno SUDRET,Hung Xuan DANG,Marc BERVEILLER,Asmahana ZEGHADI,Thierry YALAMAS

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2, Pages 121-140 doi: 10.1007/s11709-015-0290-1

Abstract: finite element polycrystalline aggregate calculations the properties of the maximal principal stress field

Keywords： polycrystalline aggregates crystal plasticity random fields spatial variability correlation structure

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Multi-scale investigation of active failure for various modes of wall movement

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4, Pages 961-979 doi: 10.1007/s11709-021-0738-4

Abstract: Hence, mechanical understanding of the problem warrants multi-scale analyses that investigate reciprocalAccordingly, this study attempts a multi-scale examination of failure evolution in cohesionless backfills

Keywords： discrete-element modelling granular materials retaining walls particle shape arching

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Multi-scale evaluation of river health in Liao River Basin, China

Fei XU, Yanwei ZHAO, Zhifeng YANG, Yuan ZHANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2, Pages 227-235 doi: 10.1007/s11783-010-0219-9

Abstract: Previous studies on river health evaluation mainly focused on characterizations at a river-corridor scaleof the interactions among rivers, associated river basin and habitats, an assessment framework with multi-scaleSet pair analysis was applied to integrate the multi-scale indicators and determine the health classes

Keywords： multi-scale characterization river health evaluation Liao River Basin set pair analysis

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Review of pantograph and catenary interaction

Weihua ZHANG, Dong ZOU, Mengying TAN, Ning ZHOU, Ruiping LI, Guiming MEI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2, Pages 311-322 doi: 10.1007/s11465-018-0494-x

Abstract: In addition, developing a computational platform that accommodates environmental interferences and multi-field

Keywords： pantograph and catenary interaction contact force variation moving load problem mechanical impedance multi-field

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Macro-architectured cellular materials: Properties, characteristic modes, and prediction methods

Zheng-Dong MA

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3, Pages 442-459 doi: 10.1007/s11465-018-0488-8

Abstract: To estimate the effective material properties for structural analyses and to optimally design such materialsinto a homogenized strain field and a strain variation field in the local cellular domain superposedon the homogenized strain field.homogenized strain field was then used to condense the strain variation field onto the homogenized strainfield.

Keywords： architectured material cellular materials multi-scale modeling homogenization method effective material