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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: However, such a simulation remains very inefficient because very small integration time step must beAlthough 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 simulationAn example is presented to demonstrate that, by applying the model reduction the simulation process is

Keywords： contact dynamics dynamic simulation model reduction finite element method

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Model test and discrete element method simulation of shield tunneling face stability in transparent clay

Huayang LEI, Yajie ZHANG, Yao HU, Yingnan LIU

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1, Pages 147-166 doi: 10.1007/s11709-020-0704-6

Abstract: transparent clay with properties similar to those of Tianjin clay is prepared and a new transparent clay modeltest apparatus is developed to overcome the “black box” problem in the traditional model test.A series of transparent clay model tests is performed to investigate the active failure mode, influence

Keywords： shield tunneling face stability transparent clay model test numerical simulation

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Reverse engineering in the construction of numerical simulation oriented patient-specific model of stented

Xianlong MENG, Wenyu FU, Yun ZHANG, Aike QIAO,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3, Pages 328-335 doi: 10.1007/s11465-010-0026-9

Abstract: analyze hemodynamics, it is necessary to investigate the approaches to the reconstruction of a numerical simulation-orientedto reconstruct a solid model using CAD software Geomagic and Pro/E, and a simplified model of stentThe finite element model particularly suitable for numerical simulation of hemodynamics was obtained.Hemodynamic simulation was performed, using the constructed finite element model to verify its applicabilityreconstruction as a reference in hemodynamic simulation investigations.

Keywords： reverse engineering aortic arch aneurysm surface model meshing finite element model

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Numerical simulation on flow of ice slurry in horizontal straight tube

Shengchun LIU,Ming SONG,Ling HAO,Pengxiao WANG

Frontiers in Energy 2021, Volume 15, Issue 1, Pages 201-207 doi: 10.1007/s11708-017-0451-0

Abstract: Numerical simulation on flow of ice slurry in horizontal straight tubes was conducted in this paper tothe ice packing factors (IPF) and the flow velocity of ice slurry on pressure loss by using numerical simulationFurthermore, it was found that the deviation between the simulation results and experimental data couldThis confirmed the reliability of the simulation model.It could also be concluded that future rheological model of ice slurry should be considered in three

Keywords： ice slurry horizontal tubes numerical simulation pressure drop viscosity model

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A biofilter model for simultaneous simulation of toluene removal and bed pressure drop under varied inlet

Jinying XI,Insun KANG,Hongying HU,Xian ZHANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3, Pages 554-562 doi: 10.1007/s11783-014-0671-z

Abstract: In this study, a biofiltration model including the effect of biomass accumulation and inert biomass growthAccording to sensitivity analysis based on the model, the VOCs removal efficiency of the biofilter isdrop satisfactorily fit the experimental data under varied inlet toluene loadings, which indicates the modelBased on the model, the effect of mass-transfer parameters on VOCs removal and the stable-run time ofThe results demonstrate that the model can function as a good tool to evaluate the effect of biomass

Keywords： Volatile Organic Compounds (VOCs) biofilters modelling biomass accumulation pressure drop

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Theoretical study on flow and radiation in tubular solar photocatalytic reactor

Frontiers in Energy 2021, Volume 15, Issue 3, Pages 687-699 doi: 10.1007/s11708-021-0773-9

Abstract: In this paper, based on the mixture flow model, an optimized six-flux model is first established andIt is found that, at the outlet of the reactor, the optimized six-flux model has better performances

Keywords： photocatalytic hydrogen photoreactor nume- rical simulation solar energy flow model radiation model

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Numerical simulation of fluid dynamics in the stirred tank by the SSG Reynolds Stress Model

Nana QI, Hui WANG, Kai ZHANG, Hu ZHANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4, Pages 506-514 doi: 10.1007/s11705-010-0508-7

Abstract: The Speziale, Sarkar and Gatski Reynolds Stress Model (SSG RSM) is utilized to simulate the fluid dynamicsCFD model data in terms of the flow field, trailing vortex, and the power number are compared with publishedThe power number predicted is quite close to the designed value, which demonstrates that this model canTherefore, the simulation by using a combination of SSG RSM and MRF impeller rotational model can accuratelymodel turbulent fluid flow in the stirred tank, and it offers an alternative method for design and optimisation

Keywords： stirred tank fluid dynamics numerical simulation SSG Reynolds Stress Model MRF

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Modeling and simulation of normal and hemiparetic gait

Lely A. LUENGAS,Esperanza CAMARGO,Giovanni SANCHEZ

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 3, Pages 233-241 doi: 10.1007/s11465-015-0343-0

Abstract: Here we present a new model that is capable of reproducing the properties of walking, normal and pathologicalAnthropometric data of adult person are used by simulation, and it is possible to use anthropometricQuantitative comparisons of the model predictions with gait measurements show that the model can reproduce

Keywords： bipedal gait biomechanics dynamic walking gait model human gait hemiparetic human gait

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Effect of adjusted mesoscale drag model on flue gas desulfurization in powder-particle spouted beds

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6, Pages 909-920 doi: 10.1007/s11705-021-2100-8

Abstract: An energy minimum multiscale model was adjusted to simulate the mesoscale structure of the flue gas desulfurizationThe obtained results revealed that the spout morphology simulated by the adjusted mesoscale drag modelIn addition, more thorough gas radial mixing was achieved using the adjusted mesoscale drag model.The mass fraction of water in the gas mixture at the outlet determined by the heterogeneous drag modelwas 1.5 times higher than that obtained by the homogeneous drag model during the simulation of water

Keywords： adjusted mesoscale drag model particle image velocimetry water vaporization desulfurization reaction numerical simulation

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Concurrent fatigue crack growth simulation using extended finite element method

Zizi LU, Yongming LIU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3, Pages 339-347 doi: 10.1007/s11709-010-0078-2

Abstract: In this paper, a concurrent simulation framework for fatigue crack growth analysis is proposed using(X-FEM) for fatigue crack growth simulation.The X-FEM greatly facilitates crack growth simulation without remeshing requirements ahead of the crackThe small time scale fatigue model is integrated into the numerical simulation algorithm for concurrentModel predictions are compared with available experimental observations for model validation.

Keywords： small time scale model extended finite element method (X-FEM) crack growth multiaxial

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Modification of the activated sludge model for chemical dosage

Shuai MA,Siyu ZENG,Xin DONG,Jining CHEN,Gustaf OLSSON

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4, Pages 694-701 doi: 10.1007/s11783-014-0732-3

Abstract: Full-scale experiments have been carried out to adapt the activated sludge model ASM2d to include theCorresponding parameters in the ASM2d and the secondary settler models, included in the Benchmark SimulationModel No 1 (BSM1), have been modified to take the metal influence into consideration.

Keywords： chemical precipitation benchmark simulation model phosphorus removal respiratory rate sludge settling activated sludge model

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A modified zone model for estimating equivalent room thermal capacity

Hua CHEN, Xiaolin WANG

Frontiers in Energy 2013, Volume 7, Issue 3, Pages 351-357 doi: 10.1007/s11708-013-0254-x

Abstract: This paper proposed a modified zone model which is much simpler in the HVAC system simulation and hasthe similar accuracy to the complicated simulation model.The efficacy of the proposed model was demonstrated by comparing it with the complicated model — heatThe predicted results from the proposed model well agreed with those from the complicated simulation.The proposed model can then make the HVAC system dynamic simulation much faster and more acceptable for

Keywords： room model thermal network analysis transfer function heating ventilation and air conditioning (HVAC)system simulation

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Two-echelon Emergency Response Problem and Simulation Considering Secondary Disasters

Han-peng Zhang,Yi Liao,Hui-xia Luo

Frontiers of Engineering Management 2014, Volume 1, Issue 3, Pages 318-321 doi: 10.15302/J-FEM-2014042

Abstract: The goal of this research is to develop a two-echelon emergency resource distribution model under conditionminimal maximize relief time as criterion of relief performance, we developed response strategies and simulationmodel to get the expected value.

Keywords： simulation secondary disasters two-echelon vehicle routing model

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Simulation and analysis of grinding wheel based on Gaussian mixture model

Yulun CHI, Haolin LI

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4, Pages 427-432 doi: 10.1007/s11465-012-0350-3

Abstract:

This article presents an application of numerical simulation technique for the generation and analysisThe Gaussian mixture model (GMM) is used to transform the measured non-Gaussian field to Gaussian fields

Keywords： grinding wheel 3D topographies measurement Gaussian mixture model simulation

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Modeling and simulation of landfill gas production from pretreated MSW landfill simulator

Rasool Bux MAHAR,Abdul Razaque SAHITO,Dongbei YUE,Kamranullah KHAN

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1, Pages 159-167 doi: 10.1007/s11783-014-0685-6

Abstract: for pretreated municipal solid waste (MSW) landfill using four models namely first order exponential model, modified Gompertz model, single component combined growth and decay model and Gaussian function.The model was developed on the basis of single component combined growth and decay model using an anaerobicMoreover, the developed model was statistically analyzed for its goodness of fit.The results show that the multi components LFG production model is more suitable in comparison to the

Keywords： combine growth and decay model pretreated municipal solid waste (MSW) multi component landfill gas (LFG) model

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Title Author Date Type Operation

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

Jianxun LIANG, Ou MA, Caishan LIU

Journal Article

Model test and discrete element method simulation of shield tunneling face stability in transparent clay

Huayang LEI, Yajie ZHANG, Yao HU, Yingnan LIU

Journal Article

Reverse engineering in the construction of numerical simulation oriented patient-specific model of stented

Xianlong MENG, Wenyu FU, Yun ZHANG, Aike QIAO,

Journal Article

Numerical simulation on flow of ice slurry in horizontal straight tube

Shengchun LIU,Ming SONG,Ling HAO,Pengxiao WANG

Journal Article

A biofilter model for simultaneous simulation of toluene removal and bed pressure drop under varied inlet

Jinying XI,Insun KANG,Hongying HU,Xian ZHANG

Journal Article

Theoretical study on flow and radiation in tubular solar photocatalytic reactor

Journal Article

Numerical simulation of fluid dynamics in the stirred tank by the SSG Reynolds Stress Model

Nana QI, Hui WANG, Kai ZHANG, Hu ZHANG

Journal Article

Modeling and simulation of normal and hemiparetic gait

Lely A. LUENGAS,Esperanza CAMARGO,Giovanni SANCHEZ

Journal Article

Effect of adjusted mesoscale drag model on flue gas desulfurization in powder-particle spouted beds

Journal Article

Concurrent fatigue crack growth simulation using extended finite element method

Zizi LU, Yongming LIU,

Journal Article

Modification of the activated sludge model for chemical dosage

Shuai MA,Siyu ZENG,Xin DONG,Jining CHEN,Gustaf OLSSON

Journal Article

A modified zone model for estimating equivalent room thermal capacity

Hua CHEN, Xiaolin WANG

Journal Article

Two-echelon Emergency Response Problem and Simulation Considering Secondary Disasters

Han-peng Zhang,Yi Liao,Hui-xia Luo

Journal Article

Simulation and analysis of grinding wheel based on Gaussian mixture model

Yulun CHI, Haolin LI

Journal Article

Modeling and simulation of landfill gas production from pretreated MSW landfill simulator

Rasool Bux MAHAR,Abdul Razaque SAHITO,Dongbei YUE,Kamranullah KHAN

Journal Article

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