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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: The ductile crack extension utilizes an element extinction technique implemented in the computationalcell framework.The key parameter for the computational cell method, i.e., the initial porosity ratio , is calibratedThe fracture resistance along the 3-D semi-elliptical crack front is computed from the calibrated cell

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

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Computational simulation methods for fiber reinforced composites

Vladimír KOMPI, Zuzana MURINKOV, Sergey RJASANOW, Richards GRZIBOVSKIS, Qinghua QIN,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 396-401 doi: 10.1007/s11709-010-0079-1

Abstract: Trefftz-finite element method (Trefftz-FEM), adaptive cross approximation BEM (ACA BEM) and continuoussource function method (CSFM) are used for the simulation of composites reinforced by short fibers (

Keywords： Trefftz-finite element method (Trefftz-FEM)     adaptive cross approximation BEM (ACA BEM)     method of continuous    

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New computational treatment of optical wave propagation in lossywaveguides

Jian-xin ZHU,Guan-jie WANG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 8,   Pages 646-653 doi: 10.1631/FITEE.1400406

Abstract: described by the Helmholtz equation with the complex refractive-index, and the Chebyshev pseudospectral methodMeanwhile, an operator marching method, a one-way re-formulation based on the Dirichletto-Neumann (DtN

Keywords： Adjoint operator     Orthogonal     Chebyshev     Pseudospectral method     Dirichlet-to-Neumann map    

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Pressure drop analysis on the positive half-cell of a cerium redox flow battery using computational fluid

Fernando F. Rivera, Berenice Miranda-Alcántara, Germán Orozco, Carlos Ponce de León, Luis F. Arenas

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 399-409 doi: 10.1007/s11705-020-1934-9

Abstract: applied to compute local fluid velocities taking place in a rectangular channel electrochemical flow cellused as the positive half-cell of a cerium-based RFB for laboratory studies.

Keywords： CFD simulation     porous media     porous electrode     pressure drop     redox flow battery    

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The smoothed finite element method (S-FEM): A framework for the design of numerical models for desired

Gui-Rong Liu

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 456-477 doi: 10.1007/s11709-019-0519-5

Abstract:

The smoothed finite element method (S-FEM) was originated by G R Liu by combining some meshfree techniqueswith the well-established standard finite element method (FEM).

Keywords： computational method     finite element method     smoothed finite element method     strain smoothing technique    

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XFEM schemes for level set based structural optimization

Li LI, Michael Yu WANG, Peng WEI

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4,   Pages 335-356 doi: 10.1007/s11465-012-0351-2

Abstract:

In this paper, some elegant extended finite element method (XFEM) schemes for level set method structuralFirstly, two- dimension (2D) and three-dimension (3D) XFEM schemes with partition integral method areFurthermore, the methods for improving the computational accuracy and efficiency of XFEM are studied,analysis while prominently reducing the time cost and that higher order XFEM elements can improve the computationalproposed XFEM is a promising structural analysis approach for structural optimization with the level set method

Keywords： structural optimization     level set method     extended finite element method (XFEM)     computational accuracy    

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Nano thermo-hydrodynamics method for investigating cell membrane fluidity

YANG Yang, LIU Jing

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 121-128 doi: 10.1007/s11708-008-0033-2

Abstract: As a barrier to compartmentalize cells, membranes form the interface between a cell and its surroundingsThe essential function of a membrane is to maintain a relatively stable environment in the cell, exchangeThese thermodynamic processes are vital to cell existence, growth, division, differentiation and areimportant issues can be clarified by modeling nano scale thermal hydrodynamics over the gap space of a cellA correlation between nano scale hydrodynamics, non-equilibrium thermodynamics and cell membrane activities

Keywords： responsible     phenomenological     phenomena     modes–lateral diffusion     differentiation    

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Computational methods for fracture in rock: a review and recent advances

Ali JENABIDEHKORDI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 273-287 doi: 10.1007/s11709-018-0459-5

Abstract: We present an overview of the most popular state-of-the-art computational methods available for modelling

Keywords： numerical modelling     method development     rock mechanics     fractured rock     rock fracturing    

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Macro-architectured cellular materials: Properties, characteristic modes, and prediction methods

Zheng-Dong MA

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3,   Pages 442-459 doi: 10.1007/s11465-018-0488-8

Abstract: First, a strain-based homogenization method was developed using an approach that separated the strainThe new method was then extended to a stress-based homogenization process based on the principle of virtual

Keywords： architectured material     cellular materials     multi-scale modeling     homogenization method     effective materialproperties     computational method    

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Improved numerical method for time domain dynamic structure-foundation interaction analysis based onscaled boundary finite element method

DU Jianguo, LIN Gao

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 336-342 doi: 10.1007/s11709-008-0054-2

Abstract: Based on the reduced set of base function in scaled boundary finite element method (SBFEM), an improvedwas found that a higher degree of reduced set of base functions resulted in a significant increase of computational

Keywords： structure-foundation interface     computational efficiency     different     suitable     numerical approach    

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Explicit finite element method for calculation and analysis to the elasto-plastic dynamic response of

LI Liang, DU Xiuli, LI Liyun, ZHAO Chenggang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 436-442 doi: 10.1007/s11709-007-0059-2

Abstract: At last, the time discretization of this formula is carried out with the integral method which consistsof central difference method and Newmark constant average acceleration method to get the explicit timeOn the basis of the integral formula mentioned above, the time-domain explicit finite element methodequations in each time step, so the computational effort and memory requirement can be reduced considerablyby using this method.

Keywords： discretization     computational     calculation     integral     requirement    

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Effects of operational and structural parameters on cell voltage of industrial magnesium electrolysis

Ze Sun,Chenglin Liu,Guimin Lu,Xingfu Song,Jianguo Yu

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 4,   Pages 522-531 doi: 10.1007/s11705-015-1539-x

Abstract: of the electrolysis process and the source of the multiphysical fields in a magnesium electrolysis cellthickness, cathode thickness, and anode-cathode distance (ACD), were investigated to obtain the minimum cell

Keywords： finite element method     magnesium electrolysis cell     electric field    

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An extended cell-based smoothed discrete shear gap method (XCS-FEM-DSG3) for free vibration analysis

M. H. NGUYEN-THOI,L. Le-ANH,V. Ho-HUU,H. Dang-TRUNG,T. NGUYEN-THOI

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 341-358 doi: 10.1007/s11709-015-0302-1

Abstract: A cell-based smoothed discrete shear gap method (CS-FEM-DSG3) was recently proposed and proven to beThe method improves significantly the accuracy of the solution due to softening effect of the cell-basedCS-FEM-DSG3 with discontinuous and crack−tip singular enrichment functions of the extended finite element method(XFEM) to give a so-called extended cell-based smoothed discrete shear gap method (XCS-FEM-DSG3).

Keywords： cracked Reissner-Mindlin shell     free vibration analysis     cell-based smoothed discrete shear gap method(CS-FEM-DSG3)     extended cell-based smoothed discrete shear gap method (XCS-FEM-DSG3)     smoothed finite element    

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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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Electrolytic cell engineering and device optimization for electrosynthesis of e-biofuels via co-valorisation

Faraz Montazersadgh, Hao Zhang, Anas Alkayal, Benjamin Buckley, Ben W. Kolosz, Bing Xu, Jin Xuan

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1,   Pages 208-219 doi: 10.1007/s11705-020-1945-6

Abstract: Utilizing CO in an electro-chemical process and synthesizing value-added chemicals are amongst the few viable and scalable pathways in carbon capture and utilization technologies. CO electro-reduction is also counted as one of the main options entailing less fossil fuel consumption and as a future electrical energy storage strategy. The current study aims at developing a new electrochemical platform to produce low-carbon e-biofuel through multifunctional electrosynthesis and integrated co-valorisation of biomass feedstocks with captured CO . In this approach, CO is reduced at the cathode to produce drop-in fuels (e.g., methanol) while value-added chemicals (e.g., selective oxidation of alcohols, aldehydes, carboxylic acids and amines/amides) are produced at the anode. In this work, a numerical model of a continuous-flow design considering various anodic and cathodic reactions was built to determine the most techno-economically feasible configurations from the aspects of energy efficiency, environment impact and economical values. The reactor design was then optimized via parametric analysis.

Keywords： electrosynthesis     e-biofuels     CO2 utilization     computational model    

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Title Author Date Type Operation

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

Wuchao YANG, Xudong QIAN

Journal Article

Computational simulation methods for fiber reinforced composites

Vladimír KOMPI, Zuzana MURINKOV, Sergey RJASANOW, Richards GRZIBOVSKIS, Qinghua QIN,

Journal Article

New computational treatment of optical wave propagation in lossywaveguides

Jian-xin ZHU,Guan-jie WANG

Journal Article

Pressure drop analysis on the positive half-cell of a cerium redox flow battery using computational fluid

Fernando F. Rivera, Berenice Miranda-Alcántara, Germán Orozco, Carlos Ponce de León, Luis F. Arenas

Journal Article

The smoothed finite element method (S-FEM): A framework for the design of numerical models for desired

Gui-Rong Liu

Journal Article

XFEM schemes for level set based structural optimization

Li LI, Michael Yu WANG, Peng WEI

Journal Article

Nano thermo-hydrodynamics method for investigating cell membrane fluidity

YANG Yang, LIU Jing

Journal Article

Computational methods for fracture in rock: a review and recent advances

Ali JENABIDEHKORDI

Journal Article

Macro-architectured cellular materials: Properties, characteristic modes, and prediction methods

Zheng-Dong MA

Journal Article

Improved numerical method for time domain dynamic structure-foundation interaction analysis based onscaled boundary finite element method

DU Jianguo, LIN Gao

Journal Article

Explicit finite element method for calculation and analysis to the elasto-plastic dynamic response of

LI Liang, DU Xiuli, LI Liyun, ZHAO Chenggang

Journal Article

Effects of operational and structural parameters on cell voltage of industrial magnesium electrolysis

Ze Sun,Chenglin Liu,Guimin Lu,Xingfu Song,Jianguo Yu

Journal Article

An extended cell-based smoothed discrete shear gap method (XCS-FEM-DSG3) for free vibration analysis

M. H. NGUYEN-THOI,L. Le-ANH,V. Ho-HUU,H. Dang-TRUNG,T. NGUYEN-THOI

Journal Article

Challenges of high dam construction to computational mechanics

ZHANG Chuhan

Journal Article

Electrolytic cell engineering and device optimization for electrosynthesis of e-biofuels via co-valorisation

Faraz Montazersadgh, Hao Zhang, Anas Alkayal, Benjamin Buckley, Ben W. Kolosz, Bing Xu, Jin Xuan

Journal Article