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A time−space porosity computational model for concrete under sulfate attack

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0985-7

Abstract: This study proposes a mechanical–chemical model to simulate the spatiotemporal distribution of the porosityIn addition, the expansion strain at the macro-scale is obtained using a stress analysis model of compositeThe results demonstrate that the expansion strains calculated using the suggested model agree well withThe proposed model can forecast and assess the porosity of concrete covers and provide a credible approach

Keywords： deformation     porosity     internal expansion stress     external sulfate attack     mechanical–chemical coupling model    

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Experimental and computational validation of a scaled train tunnel model using modal analysis

Janice B. D’SOUZA, Sangarapillai KANAPATHIPILLAI

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 420-428 doi: 10.1007/s11465-013-0281-7

Abstract: As a result, there is some difficulty in modeling the complete acoustic environment with computationalIn this study, an experimental rig was constructed to model the acoustic behavior within a tunnel.mode shapes were identified and were shown to successfully correspond to theoretical results and a computationalmodel created in COMSOL using Finite Element Analysis.

Keywords： reverberation time     acoustic environment     modal properties     resonances    

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Investigation of carbon dioxide photoreduction process in a laboratory-scale photoreactor by computational

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 7,   Pages 1149-1163 doi: 10.1007/s11705-021-2096-0

Abstract: To improve our understanding of the mechanisms of carbon dioxide photoreduction, a multiphysics modelThe novelty of this work is the computational fluid dynamic model combined with the novel carbon dioxidephotoreduction intrinsic reaction kinetic model, which was built based on three-steps, namely gas adsorptionand Beer-Lambert model.carbon dioxide and water moisture partial pressures was then modeled based on the intrinsic kinetic model

Keywords： carbon dioxide photoreduction     computational fluid dynamic simulation     kinetic model     Langmuir adsorption    

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A multiscale material model for heterogeneous liquid droplets in solid soft composites

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1292-1299 doi: 10.1007/s11709-021-0771-3

Abstract: revisits the available models for liquid droplets in solid soft composites and presents a multiscale computationalmaterial model to determine their elastic moduli, considering nearly all relevant uncertainties andDifferent micromechanical material models are incorporated into the presented computational frameworkresults clearly indicate both softening and stiffening effects of liquid droplets and show that the model

Keywords： liquid in solid     soft composite     computational modeling     multiscale model     heterogeneity    

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Stormwater treatment: examples of computational fluid dynamics modeling

Gaoxiang YING, John SANSALONE, Srikanth PATHAPATI, Giuseppina GAROFALO, Marco MAGLIONICO, Andrea BOLOGNESI, Alessandro ARTINA

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 638-648 doi: 10.1007/s11783-012-0442-7

Abstract: This study applies the principles of computational fluid dynamics (CFD) to predict the particle and pollutantA standard turbulence model is used to resolve flow, and a discrete phase model (DPM) is utilized toCFD results closely follow physical model results across the entire range of flow rates.

Keywords： stormwater     unit operations and processes (UOPs)     hydrodynamic separation     filtration     adsorption     computationalfluid dynamics (CFD)     turbulence modeling     discrete phase model     particle separation     detention/retention    

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Cutting Force Model for a Small-diameter Helical Milling Cutter

LI Xiwen, YANG Shuzi, YANG Mingjin, XIE Shouyong

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 272-277 doi: 10.1007/s11465-007-0047-1

Abstract: By analyzing the wearing characteristics of the cutter, a cutting force model based on the major flankThe cutting force model for the helical milling cutter is validated by experiments.The computational and experimental results show that the cutting force model is almost consistent withThus, the cutting force model established in the research can provide a theoretical foundation for monitoring

Keywords： computational     corresponding     helical milling     theoretical foundation     Characteristic    

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Computational model generation and RVE design of self-healing concrete

Md. Shahriar QUAYUM,Xiaoying ZHUANG,Timon RABCZUK

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 383-396 doi: 10.1007/s11709-015-0320-z

Abstract: Computational homogenization is a versatile tool that can extract effective properties of heterogeneousComputational homogenization tool is applied in this paper to evaluate the effective properties of self-healing

Keywords： homogenization     self-healing concrete (SHC)     representative volume element     multiscale modelling    

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Particle swarm optimization model to predict scour depth around a bridge pier

Shahaboddin SHAMSHIRBAND, Amir MOSAVI, Timon RABCZUK

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 855-866 doi: 10.1007/s11709-020-0619-2

Abstract: To improve the efficiency of the proposed model, individual equations are derived for laboratory andComparing the results of the proposed model with those of existing regression-based equations reveal

Keywords： scour depth     bridge design and construction     particle swarm optimization     computational mechanics     artificial    

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Simulation of bubble column reactors using CFD coupled with a population balance model

Tiefeng WANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 162-172 doi: 10.1007/s11705-009-0267-5

Abstract: To develop design tools for engineering purposes, much research has been carried out in the area of computationalThe population balance model (PBM) is an effective approach to predict the bubble size distribution,It is shown that the CFD-PBM coupled model with proper bubble breakup and coalescence models and interphase

Keywords： bubble column     computational fluid dynamics     bubble breakup and coalescence     population balance model     bubble    

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Challenges of high dam construction to computational mechanics

ZHANG Chuhan

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 12-33 doi: 10.1007/s11709-007-0002-6

Abstract: large dams and hydro-power plants, especially those associated with application of state-of-the-art computationalSome examples demonstrating successful utilizations of computational mechanics in high dam engineeringTo make more use of the computational mechanics in high dam engineering, it is pointed out that muchresearch including different computational methods, numerical models and solution schemes, and verifications

Keywords： reservoir     engineering     hydro-power development     state-of-the-art computational     earthquake    

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Ductile extension of 3-D external circumferential cracks in pipe structures

Wuchao YANG, Xudong QIAN

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 294-303 doi: 10.1007/s11709-011-0115-9

Abstract: external circumferential cracks in the wall of a steel pipe under remote tension, using a damage-mechanism modelThe ductile crack extension utilizes an element extinction technique implemented in the computationalThe key parameter for the computational cell method, i.e., the initial porosity ratio , is calibratedfracture resistance along the 3-D semi-elliptical crack front is computed from the calibrated cell modelin the near-tip stress-strain fields, this study demonstrates that an equivalent 2-D axi-symmetric model

Keywords： ductile fracture     computational cell method     G-T model     J-R curve    

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Simulation of abrasive flow machining process for 2D and 3D mixture models

Rupalika DASH,Kalipada MAITY

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 424-432 doi: 10.1007/s11465-015-0366-6

Abstract: Computational fluid dynamics (CFD) simulation was employed to accurately determine optimum parametersIn the current work, a 2D model was designed, and the flow analysis, force calculation, and materialAnother 3D model for a swaging die finishing using AFM was simulated at different viscosities of theTwo phases were considered for the flow analysis, and multiphase mixture model was taken into account

Keywords： abrasive flow machining (AFM)     computational fluid dynamics (CFD) modeling     mixture model    

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AMMONIA DISPERSION FROM MULTI-FLOOR VERSUS STANDARD SINGLE-FLOOR PIG PRODUCTION FACILITIES BASED ON COMPUTATIONAL

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 374-389 doi: 10.15302/J-FASE-2023501

Abstract:

● NH3 dispersion from a multi-floor pig building was compared to a single-floor building.

Keywords： pig building     computational fluid dynamics     ammonia     dispersion    

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Computational fluid dynamics simulation of aerosol transport and deposition

Yingjie TANG, Bing GUO

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 362-377 doi: 10.1007/s11783-011-0365-8

Abstract: In this article computational fluid dynamics (CFD) simulation of aerosol transport and deposition, i.e

Keywords： computational fluid dynamics (CFD)     aerosol     transport     deposition    

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Introduction to the special section on the Symposium on Computational Fluid Dynamics and Molecular Simulation

Tianwei TAN, Peiyong QIN,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 241-241 doi: 10.1007/s11705-009-0285-3

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Title Author Date Type Operation

A time−space porosity computational model for concrete under sulfate attack

Journal Article

Experimental and computational validation of a scaled train tunnel model using modal analysis

Janice B. D’SOUZA, Sangarapillai KANAPATHIPILLAI

Journal Article

Investigation of carbon dioxide photoreduction process in a laboratory-scale photoreactor by computational

Journal Article

A multiscale material model for heterogeneous liquid droplets in solid soft composites

Journal Article

Stormwater treatment: examples of computational fluid dynamics modeling

Gaoxiang YING, John SANSALONE, Srikanth PATHAPATI, Giuseppina GAROFALO, Marco MAGLIONICO, Andrea BOLOGNESI, Alessandro ARTINA

Journal Article

Cutting Force Model for a Small-diameter Helical Milling Cutter

LI Xiwen, YANG Shuzi, YANG Mingjin, XIE Shouyong

Journal Article

Computational model generation and RVE design of self-healing concrete

Md. Shahriar QUAYUM,Xiaoying ZHUANG,Timon RABCZUK

Journal Article

Particle swarm optimization model to predict scour depth around a bridge pier

Shahaboddin SHAMSHIRBAND, Amir MOSAVI, Timon RABCZUK

Journal Article

Simulation of bubble column reactors using CFD coupled with a population balance model

Tiefeng WANG

Journal Article

Challenges of high dam construction to computational mechanics

ZHANG Chuhan

Journal Article

Ductile extension of 3-D external circumferential cracks in pipe structures

Wuchao YANG, Xudong QIAN

Journal Article

Simulation of abrasive flow machining process for 2D and 3D mixture models

Rupalika DASH,Kalipada MAITY

Journal Article

AMMONIA DISPERSION FROM MULTI-FLOOR VERSUS STANDARD SINGLE-FLOOR PIG PRODUCTION FACILITIES BASED ON COMPUTATIONAL

Journal Article

Computational fluid dynamics simulation of aerosol transport and deposition

Yingjie TANG, Bing GUO

Journal Article

Introduction to the special section on the Symposium on Computational Fluid Dynamics and Molecular Simulation

Tianwei TAN, Peiyong QIN,

Journal Article