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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.solve the fourth-order phase-field equations without splitting the fourth-order differential equationinto two second-order differential equations.The proposed meshfree fourth-order phase-field formulation show more stable results for SME compared

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

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A review on different theoretical models of electrocaloric effect for refrigeration

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 478-503 doi: 10.1007/s11708-023-0884-6

Abstract: This paper reviews the electrocaloric effect of ferroelectric materials based on different theoretical modelsscales (the first-principle-based effective Hamiltonian, the Landau-Devonshire thermodynamic theory, phase-field

Keywords： electrocaloric effect     effective Hamiltonian     phase-field modeling     different theoretical models    

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Implementation aspects of a phase-field approach for brittle fracture

G. D. HUYNH, X. ZHUANG, H. NGUYEN-XUAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 417-428 doi: 10.1007/s11709-018-0477-3

Abstract: This paper provides a comprehensive overview of a phase-field model of fracture in solid mechanics settingstandard finite element shape functions are used for both primary fields including displacements and phasefield.

Keywords： phase-field modeling     FEM     staggered scheme     fracture    

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Comparison between linear and non-linear forms of pseudo-first-order and pseudo-second-order adsorptionkinetic models for the removal of methylene blue by activated carbon

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: The best-fit 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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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-ordermoment two-phase turbulence model.

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

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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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A FEniCS implementation of the phase field method for quasi-static brittle fracture

HIRSHIKESH, Sundararajan NATARAJAN, Ratna Kumar ANNABATTULA

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 380-396 doi: 10.1007/s11709-018-0471-9

Abstract: In the recent years, the phase field method for simulating fracture problems has received considerableThe present work discusses the implementation of the phase field method for brittle fracture within the

Keywords： phase field method     FEniCS     brittle fracture     crack propagation     variational theory of fracture    

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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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Thermodynamic models and energy distribution of single-phase heated surface in a boiler under unsteady

Xiyan GUO, Yongping YANG

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 69-74 doi: 10.1007/s11708-010-0117-7

Abstract: A coal-fired power unit frequently operates under unsteady conditions; thus, in order to acquire scientificenergy analysis of the unit, thermodynamic analysis of a single-phase heated surface in a boiler underModels for energy analysis, entropy analysis, and exergy analysis of control volumes and irreversible

Keywords： thermodynamic model     energy distribution     boiler     unsteady conditions    

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Electrocoagulation process for the treatment of metal-plating wastewater: Kinetic modeling and energy consumption

Fatih Ilhan, Kubra Ulucan-Altuntas, Yasar Avsar, Ugur Kurt, Arslan Saral

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1152-1

Abstract: Pseudo-2nd-order was found to be more suitable for kinetics.

Keywords： Electrochemical treatment     Heavy metals     Kinetic modeling     Pseudo first order kinetic     Pseudo second order    

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Shallow foundation response variability due to soil and model parameter uncertainty

Prishati RAYCHOWDHURY,Sumit JINDAL

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 237-251 doi: 10.1007/s11709-014-0242-1

Abstract: of both soil and model input parameters on shallow foundation responses are investigated using first-ordersecond-moment (FOSM) analysis and Monte Carlo simulation through Latin hypercube sampling technique.

Keywords： shallow foun dation     sensitivity analysis     centrifuge data     first-order-second-moment (FOSM) method     parameter    

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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: To 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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Application of different CFD multiphase models to investigate effects of baffles and nanoparticles on

Ali SHAHMOHAMMADI,Arezou JAFARI

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3,   Pages 320-329 doi: 10.1007/s11705-014-1437-7

Abstract: To find an accurate model for CFD simulations, the results obtained by the single phase were comparedwith those obtained by three different multiphase models including Eulerian, mixture and volume of fluidIt was found that multiphase models could better predict the heat transfer in nanofluids.

Keywords： CFD simulation     heat transfer     nanofluid     baffle     single phase model     multiphase model    

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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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Title Author Date Type Operation

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

Fatemeh AMIRI

Journal Article

A review on different theoretical models of electrocaloric effect for refrigeration

Journal Article

Implementation aspects of a phase-field approach for brittle fracture

G. D. HUYNH, X. ZHUANG, H. NGUYEN-XUAN

Journal Article

Comparison between linear and non-linear forms of pseudo-first-order and pseudo-second-order adsorptionkinetic models for the removal of methylene blue by activated carbon

Junxiong LIN , Lan WANG ,

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

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

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

Journal Article

A FEniCS implementation of the phase field method for quasi-static brittle fracture

HIRSHIKESH, Sundararajan NATARAJAN, Ratna Kumar ANNABATTULA

Journal Article

Analysis of nonlinear channel friction inverse problem

CHENG Weiping, LIU Guohua

Journal Article

Thermodynamic models and energy distribution of single-phase heated surface in a boiler under unsteady

Xiyan GUO, Yongping YANG

Journal Article

Electrocoagulation process for the treatment of metal-plating wastewater: Kinetic modeling and energy consumption

Fatih Ilhan, Kubra Ulucan-Altuntas, Yasar Avsar, Ugur Kurt, Arslan Saral

Journal Article

Shallow foundation response variability due to soil and model parameter uncertainty

Prishati RAYCHOWDHURY,Sumit JINDAL

Journal Article

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

Journal Article

Dai Xingyu: New Findings in the Interplay between Carbon and Energy Markets during EU ETS Phase |||:Higher-Order Moments and Timescales (2020-7-12)

10 Jun 2022

Conference Videos

Application of different CFD multiphase models to investigate effects of baffles and nanoparticles on

Ali SHAHMOHAMMADI,Arezou JAFARI

Journal Article

Implementation of an adaptive feed speed 3D NURBS interpolation algorithm

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

Journal Article