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Improvement of solidification model and analysis of 3D channel blockage with MPS method

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 946-958 doi: 10.1007/s11708-021-0754-z

Abstract: The moving particle semi-implicit (MPS) method is one of the Lagrangian-based particle methods for analyzingdescribed in this paper, a novel solidification model for analyzing melt flowing channel blockage with the MPSmethod has been developed, which is suitable to attain a sufficient numerical accuracy with a reasonableTo sustain the numerical accuracy and stability, the corrective matrix and particle shifting techniquesthe regular particle arrangements, respectively.

Keywords： boiling water reactor (BWR)     severe accident     channel blockage     moving particle semi-implicit (MPS) method    

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Analysis of molten metal spreading and solidification behaviors utilizing moving particle full-implicitmethod

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 959-973 doi: 10.1007/s11708-021-0753-0

Abstract: In the numerical analysis, the moving particle full-implicit method (MPFI), which is one of the particleOverall, it is suggested that the MPFI method has the potential to simulate the actual nuclear melt-down

Keywords： molten metal spreading     solidification     particle method     severe accident     fuel debris     decommissioning    

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Application of semi-analytical finite element method to analyze the bearing capacity of asphalt pavementsunder moving loads

Pengfei LIU, Dawei WANG, Frédéric OTTO, Markus OESER

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 215-221 doi: 10.1007/s11709-017-0401-2

Abstract: program SAFEM was developed with the objective of evaluating the dynamic response of asphalt under movingloads and is based on a semi-analytic element method.

Keywords： semi-analytical finite element method     bearing capacity     asphalt pavements     moving loads     dynamic response    

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Independent cover meshless particle method for complex geotechnical engineering

Jianqiu WU, Yongchang CAI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 515-526 doi: 10.1007/s11709-017-0428-4

Abstract: A new Independent Cover Meshless Particle (ICMP) method is proposed for the analysis of complex geotechnicalIn the ICMP method, the independent rectangular cover regardless of the shape of the analysis model isthe meshless interpolation function of the independent nodal cover, and the Cartesian Transformation MethodThe present method has a simple formulation and a low computational cost, and is easy for the numericaltypical numerical examples are presented to demonstrate the accuracy and robustness of the proposed method

Keywords： meshless method     particle method     independent cover     CTM     geotechnical engineering    

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An isogeometric numerical study of partially and fully implicit schemes for transient adjoint shape sensitivity

Zhen-Pei WANG, Zhifeng XIE, Leong Hien POH

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 279-293 doi: 10.1007/s11465-019-0575-5

Abstract: It is found that (i) the explicit approach ( = 0) and semi-implicit approach with <0.5 impose a strictstability condition of the transient analysis; (ii) the implicit approach ( =1) and semi-implicit approachcondition is much less critical than the Crank–Nicolson scheme, and the accuracy is higher than a fully implicit

Keywords： isogeometric shape optimization     design-dependent boundary condition     transient heat conduction     implicittime integration     adjoint method    

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Study on direct measurement method of vorticity from particle images

RUAN Xiaodong, FU Xin, YANG Huayong

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 408-412 doi: 10.1007/s11708-007-0059-1

Abstract: shortcomings of conventional methods for vorticity measurement, a new direct measurement of vorticity (DMV) methodextracting vorticity from particle images was proposed.

Keywords： conventional     vorticity measurement     particle     DMV     theory    

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A novel light fluctuation spectrum method for in-line particle sizing

Shouxuan QIN, Xiaoshu CAI, Li MA

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 89-97 doi: 10.1007/s11708-012-0176-z

Abstract: This paper discusses two problems in in-line particle sizing when using light fluctuation method.First, by retrieving the ratio of particle concentrations at different time, the intensity of incidentmulti-sub-size zone model is proposed, with which the relationship between the distribution of turbidity and the particle

Keywords： in-line measurement     particle size distribution (PSD)     incident light intensity     particle concentration    

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A Flexible Moving Objects Segmentation Method

Zhao Yanling,Zhang Zhichao,Gao Zhenming,Zhang Qingchao

Strategic Study of CAE 2006, Volume 8, Issue 5,   Pages 84-87

Abstract:

The segmentation for moving pictures is important in content-based video encoding and video retrievalThe method of moving object segmentation is proposed with spatio-temporal threshold information.The method does well in functional agility. Its alterability depends on real conditions.The experiments show that the method can get a better result with less runtime.

Keywords： spatio-temporal     moving regions     moving objects     morphological gradient operator     flexibility    

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Application of coupled multi-body dynamics–discrete element method for optimization of particle damper

Danhui DAN, Qianqing WANG, Jiongxin GONG

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 244-252 doi: 10.1007/s11709-021-0696-x

Abstract: With the application of the particle damping technology to cable vibration attenuation, the rootlessIn this paper, a coupled multi-body dynamics–discrete element method is proposed to simulate the dampingThe analyses are done by combining the discrete element method in EDEM and multi-body dynamics in ADAMSThe simulation results demonstrate the damping efficiency of rootless particle damper under differentand reveal the influence of the design parameters on its performance, including the filling ratio, particle

Keywords： granular material     vibration control     discrete element method     particle damper     cable vibration    

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Uncertainty propagation in dynamics of composite plates: A semi-analytical non-sampling-based approach

Mahdi FAKOOR, Hadi PARVIZ

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1359-1371 doi: 10.1007/s11709-020-0658-8

Abstract: were investigated via development of a new approach named the deterministic-stochastic Galerkin-based semi-analyticalmethod.The deterministic-stochastic Galerkin-based method was utilized to find the probability space of naturalThe proposed method significantly reduced the size of the mathematical models of the structure, whichThe methodology was verified using a stochastic finite element method and the available results in literature

Keywords： composite plate     spatially varying stochastic properties     Galerkin method     polynomial chaos approach     semi-analytical    

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Semi-active vibration control using piezoelectric actuators in smart structures

Jinhao QIU, Hongli JI, Kongjun ZHU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 242-251 doi: 10.1007/s11465-009-0068-z

Abstract: Semi-active vibration control based on state switching and pulse switching has been receiving much attentionCompared with standard passive piezoelectric damping, these new semi-passive techniques offer higherIn this review article, the principles of the semi-active control methods based on switched shunt circuit, including state-switched method, synchronized switch damping techniques, and active control theory-basedMoreover, the future directions of research in semi-active control are also summarized.

Keywords： smart structure     semi-active method     vibration control     piezoelectric actuator    

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Flow behavior of non-spherical particle flowing in hopper

He TAO,Wenqi ZHONG,Baosheng JIN

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 315-321 doi: 10.1007/s11708-014-0331-9

Abstract: Ellipsoidal particles flowing in the hopper were simulated by using the discrete element method (DEM), and described by the multi-element method.The contact detection algorithm and equations for ellipsoidal particle motion in hopper were developedThe velocity of spherical particle is larger than that of ellipsoidal.

Keywords： discrete element method     ellipsoidal particle     flow behavior     hopper    

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Modeling of semi-rigid beam-to-column steel joints under extreme loading

C FANG, B A IZZUDDIN, A Y ELGHAZOULI, D A NETHERCOT

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 245-263 doi: 10.1007/s11709-013-0215-9

Abstract: Due to sound energy dissipation capability and fabrication efficiency, semi-rigid joints have increasinglyThis paper presents a component approach for modeling semi-rigid beam-to-column joints based on Eurocode3

Keywords： semi-rigid joint     component method     ductility     elevated temperature    

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Vibration analysis of a simply supported beam under moving mass based on moving finite element method

Zhuchao YE, Huaihai CHEN,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 397-400 doi: 10.1007/s11465-009-0044-7

Abstract: In this paper, a moving finite element (MFE) method is proposed to perform the dynamic analysis of asimply supported beam for a moving mass (MM).The MFE method treats the moving mass as a moving part of the entire system, so that the transverse inertialeffects caused by the moving mass may easily be taken into account.solution to the beam’s dynamic behaviors including its displacement is obtained via a Newmark-β method

Keywords： simply supported beam     moving mass (MM)     transverse vibration     moving finite element (MFE)    

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Resampling methods for particle filtering: identical distribution, a new method, and comparable study

Tian-cheng LI,Gabriel VILLARRUBIA,Shu-dong SUN,Juan M. CORCHADO,Javier BAJO

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 11,   Pages 969-984 doi: 10.1631/FITEE.1500199

Abstract: procedure that is of both theoretical and practical significance for efficient implementation of the particle

Keywords： Particle filter     Resampling     Kullback-Leibler divergence     Kolmogorov-Smirnov statistic    

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Title Author Date Type Operation

Improvement of solidification model and analysis of 3D channel blockage with MPS method

Journal Article

Analysis of molten metal spreading and solidification behaviors utilizing moving particle full-implicitmethod

Journal Article

Application of semi-analytical finite element method to analyze the bearing capacity of asphalt pavementsunder moving loads

Pengfei LIU, Dawei WANG, Frédéric OTTO, Markus OESER

Journal Article

Independent cover meshless particle method for complex geotechnical engineering

Jianqiu WU, Yongchang CAI

Journal Article

An isogeometric numerical study of partially and fully implicit schemes for transient adjoint shape sensitivity

Zhen-Pei WANG, Zhifeng XIE, Leong Hien POH

Journal Article

Study on direct measurement method of vorticity from particle images

RUAN Xiaodong, FU Xin, YANG Huayong

Journal Article

A novel light fluctuation spectrum method for in-line particle sizing

Shouxuan QIN, Xiaoshu CAI, Li MA

Journal Article

A Flexible Moving Objects Segmentation Method

Zhao Yanling,Zhang Zhichao,Gao Zhenming,Zhang Qingchao

Journal Article

Application of coupled multi-body dynamics–discrete element method for optimization of particle damper

Danhui DAN, Qianqing WANG, Jiongxin GONG

Journal Article

Uncertainty propagation in dynamics of composite plates: A semi-analytical non-sampling-based approach

Mahdi FAKOOR, Hadi PARVIZ

Journal Article

Semi-active vibration control using piezoelectric actuators in smart structures

Jinhao QIU, Hongli JI, Kongjun ZHU

Journal Article

Flow behavior of non-spherical particle flowing in hopper

He TAO,Wenqi ZHONG,Baosheng JIN

Journal Article

Modeling of semi-rigid beam-to-column steel joints under extreme loading

C FANG, B A IZZUDDIN, A Y ELGHAZOULI, D A NETHERCOT

Journal Article

Vibration analysis of a simply supported beam under moving mass based on moving finite element method

Zhuchao YE, Huaihai CHEN,

Journal Article

Resampling methods for particle filtering: identical distribution, a new method, and comparable study

Tian-cheng LI,Gabriel VILLARRUBIA,Shu-dong SUN,Juan M. CORCHADO,Javier BAJO

Journal Article