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High-order phase-field model with the local and second-order max-entropy approximants

Fatemeh AMIRI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 406-416 doi: 10.1007/s11709-018-0475-5

Abstract: We approximate the fracture surface energy functional based on phase-field method with smooth local maximumentropy (LME) and second-order maximum entropy (SME) approximants.The higher-order continuity of the meshfree methods such as LME and SME approximants allows to directlysolve the fourth-order phase-field equations without splitting the fourth-order differential equationinto two second-order differential equations.

Keywords： second-order maximum entropy     local maximum entropy     second- and fourth-order phase-field models     B-spline    

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Numerical simulation of sudden-expansion two-phase flows with two-scale second-order moment particle

ZENG Zhuoxiong, HAN Shoulei, ZHOU Lixing

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 202-206 doi: 10.1007/s11708-007-0026-6

Abstract: A two-scale second-order moment particle turbulence model is developed, based on the concept of particleSimulation results are compared with the experimental results and with those obtained by the single-scale second-order

Keywords： gas-particle     single-scale second-order     large-scale fluctuation     second-order     sudden-expansion    

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Topology optimization of transient problem with maximum dynamic response constraint using SOAR scheme

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 593-606 doi: 10.1007/s11465-021-0636-4

Abstract: proposes a novel method for the continuum topology optimization of transient vibration problem with maximumAn aggregated index in the form of an integral function is presented to cope with the maximum responseTo reduce computational cost, the second-order Arnoldi reduction (SOAR) scheme is employed in transient

Keywords： optimization     solid isotropic material with penalization     transient response     aggregation function     second-order    

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Time-varying formation tracking for uncertain second-order nonlinearmulti-agent systems

Mao-peng RAN, Li-hua XIE, Jun-cheng LI

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 1,   Pages 76-87 doi: 10.1631/FITEE.1800557

Abstract:

Our study is concerned with the time-varying formation tracking problem for second-order multi-agent

Keywords： Multi-agent system     Time-varying formation     Formation tracking     Nonlinear dynamics     Extended state observer (ESO)    

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Analysis of nonlinear channel friction inverse problem

CHENG Weiping, LIU Guohua

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 205-210 doi: 10.1007/s11709-007-0024-0

Abstract: analyses demonstrate that the convergence rate of the general Newton optimization algorithm is in the second-order

Keywords： singular     SVD     second-order     covariance     Theoretical    

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Principle of maximum entropy for reliability analysis in the design of machine components

Yimin ZHANG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 1,   Pages 21-32 doi: 10.1007/s11465-018-0512-z

Abstract: components with parameters that follow an arbitrary statistical distribution using the principle of maximumentropy (PME).PDF) and a failure probability model for the parameters of mechanical components using the concept of entropy

Keywords： machine components     reliability     arbitrary distribution parameter     principle of maximum entropy    

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Implementation of an adaptive feed speed 3D NURBS interpolation algorithm

LIANG Hong-bin, WANG Yong-zhang, LI Xia

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 403-408 doi: 10.1007/s11465-006-0047-6

Abstract: In order to deal with this problem, an adaptive feed speed interpolation algorithm for 3D NURBS parametricIn the other situation it uses the second-order Taylor s expansions approximation interpolation algorithm

Keywords： NURBS parametric     rational B-spline     second-order     non-uniform rational     precision    

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Maximum entropy based finite element analysis of porous media

Emad NOROUZI, Hesam MOSLEMZADEH, Soheil MOHAMMADI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 364-379 doi: 10.1007/s11709-018-0470-x

Abstract: The maximum entropy theory has been used in a wide variety of physical, mathematical and engineeringIn this paper, the maximum entropy theory is adopted to spatially discretize the deformation variableThis is in line with the well-known fact that higher-order shape functions can provide more stable solutions

Keywords： maximum entropy FEM     fully coupled multi-phase system     porous media    

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Nonlinear analysis of pre-tensioned glass wall facade by stability function with initial imperfection

Siu-Lai CHAN, Yaopeng LIU, Andy LEE,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 376-382 doi: 10.1007/s11709-010-0086-2

Abstract: Pre-tensioned high strength trusses using alloy steel bar are widely used as glass wall supporting systems because of the high degree of transparency. The breakage of glass panes in this type of system occurs occasionally, likely to be due to error in design and analysis in addition to other factors like glass impurity and stress concentration around opening in a spider system. Most design does not consider the flexibility of supports from finite stiffness of supporting steel or reinforced concrete beams. The resistance of lateral wind pressure of the system makes use of high tension force coupled with the large deflection effect, both of which are affected by many parameters not generally considered in conventional structures. In the design, one must therefore give a careful consideration on various effects, such as support settlement due to live loads and material creep, temperature change, pre-tension force, and wind pressure. It is not uncommon to see many similar glass wall systems fail in the wind load test chambers under a design wind speed. This paper presents a rigorous analysis and design of this type of structural systems used in a project in Hong Kong, China. The stability function with initial curvature is used in place of the cubic function, which is only accurate for linear analysis. The considerations and analysis techniques are believed to be of value to engineers involved in the design of the structural systems behaving nonlinearly.

Keywords： tension system     glass wall     nonlinear analysis     pre-tensioning     second-order analysis    

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Adaptive selective ES-FEM limit analysis of cracked plane-strain structures

H. NGUYEN-XUAN,T. RABCZUK

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 478-490 doi: 10.1007/s11709-015-0317-7

Abstract: The limit analysis problem is recast into the compact form of a second-order cone programming (SOCP)

Keywords： cracked structure     limit analysis     von Mises criterion     edge-based strain smoothing     second-order cone programming    

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Comparison between linear and non-linear forms of pseudo-first-order and pseudo-second-order adsorption

Junxiong LIN , Lan WANG ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 320-324 doi: 10.1007/s11783-009-0030-7

Abstract: equations of linear and non-linear forms of the two widely used kinetic models, namely pseudo-first-orderand pseudo-second-order equations, were compared in this study.The results show that the non-linear forms of pseudo-first-order and pseudo-second-order models were

Keywords： adsorption     pseudo-first order     pseudo-second order     kinetic model     linear method     non-linear method    

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Fractional order extremum seeking approach for maximum power point tracking of photovoltaic panels

Ammar NEÇAIBIA,Samir LADACI,Abdelfatah CHAREF,Jean Jacques LOISEAU

Frontiers in Energy 2015, Volume 9, Issue 1,   Pages 43-53 doi: 10.1007/s11708-014-0343-5

Abstract: In this paper, an integrated framework was proposed, which achieved both maximum power point trackingThe proposed control scheme was based on extremum-seeking (ES) combined with fractional order systemsmaximize the PV panel output power through the regulation of the voltage input to the DC/DC converter in orderto lead the PV system steady-state to a stable oscillation behavior around the maximum power point (It is shown that fractional order operators can improve the plant dynamics with respect to time response

Keywords： extremum seeking (ES)     fractional order control (FOC)     fractional calculus     photovoltaic (PV) panel     maximum    

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The Model on Maximum Entropy of Knowledge Creating Stochastic Process

Chen Xin,He Jinsheng,Dong Liping

Strategic Study of CAE 2004, Volume 6, Issue 12,   Pages 43-46

Abstract: existing relevant knowledge influences the formation of the new knowledge, this thesis sets up the maximumentropy fundamental model of the stochastic prosess of knowledge innovation by applying the probability& statistics theory, the optimization theory and the maximum entropy principle comprehensively,

Keywords： maximum entropy     knowledge innovation     conditional entropy     stochastic process    

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Leader-following consensus of second-order nonlinear multi-agent systems subject to disturbances None

Mao-bin LU, Lu LIU

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 1,   Pages 88-94 doi: 10.1631/FITEE.1800611

Abstract: By Barbalat’s lemma, we demonstrate that consensus of the second-order nonlinear multi-agent system can

Keywords： Multi-agent systems     Leader-following consensus     Distributed control    

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Sampled data based containment control of second-order multi-agent systems under intermittent communications Research Articles

Fuyong Wang, Zhongxin Liu, Zengqiang Chen,wangfy@nankai.edu.cn,lzhx@nankai.edu.cn,chenzq@nankai.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 8,   Pages 1059-1067 doi: 10.1631/FITEE.2000204

Abstract: A novel controller for second-order containment is put forward via intermittent measurement.

Keywords： 包含控制；二阶多智能体系统；采样位置数据；间歇通信；通信宽度    

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Title Author Date Type Operation

High-order phase-field model with the local and second-order max-entropy approximants

Fatemeh AMIRI

Journal Article

Numerical simulation of sudden-expansion two-phase flows with two-scale second-order moment particle

ZENG Zhuoxiong, HAN Shoulei, ZHOU Lixing

Journal Article

Topology optimization of transient problem with maximum dynamic response constraint using SOAR scheme

Journal Article

Time-varying formation tracking for uncertain second-order nonlinearmulti-agent systems

Mao-peng RAN, Li-hua XIE, Jun-cheng LI

Journal Article

Analysis of nonlinear channel friction inverse problem

CHENG Weiping, LIU Guohua

Journal Article

Principle of maximum entropy for reliability analysis in the design of machine components

Yimin ZHANG

Journal Article

Implementation of an adaptive feed speed 3D NURBS interpolation algorithm

LIANG Hong-bin, WANG Yong-zhang, LI Xia

Journal Article

Maximum entropy based finite element analysis of porous media

Emad NOROUZI, Hesam MOSLEMZADEH, Soheil MOHAMMADI

Journal Article

Nonlinear analysis of pre-tensioned glass wall facade by stability function with initial imperfection

Siu-Lai CHAN, Yaopeng LIU, Andy LEE,

Journal Article

Adaptive selective ES-FEM limit analysis of cracked plane-strain structures

H. NGUYEN-XUAN,T. RABCZUK

Journal Article

Comparison between linear and non-linear forms of pseudo-first-order and pseudo-second-order adsorption

Junxiong LIN , Lan WANG ,

Journal Article

Fractional order extremum seeking approach for maximum power point tracking of photovoltaic panels

Ammar NEÇAIBIA,Samir LADACI,Abdelfatah CHAREF,Jean Jacques LOISEAU

Journal Article

The Model on Maximum Entropy of Knowledge Creating Stochastic Process

Chen Xin,He Jinsheng,Dong Liping

Journal Article

Leader-following consensus of second-order nonlinear multi-agent systems subject to disturbances

Mao-bin LU, Lu LIU

Journal Article

Sampled data based containment control of second-order multi-agent systems under intermittent communications

Fuyong Wang, Zhongxin Liu, Zengqiang Chen,wangfy@nankai.edu.cn,lzhx@nankai.edu.cn,chenzq@nankai.edu.cn

Journal Article