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3D finite element analysis of composite noise barrier constructed of polyurethane products

Ben DAEE,Hesham El NAGGAR

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 1,   Pages 100-110 doi: 10.1007/s11709-016-0364-8

Abstract: The experimental results are used in the current study to develop, calibrate and verify 3D finite elementSimulation techniques for improvement of the numerical analysis of multi-martial 3D FE models were discussed

Keywords： 3D finite element     sound wall     rigid polyurethane foam     poly-wall     numerical model     calibration    

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3D finite element method (FEM) simulation of groundwater flow during backward erosion piping

Kristine VANDENBOER,Vera van BEEK,Adam BEZUIJEN

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 160-166 doi: 10.1007/s11709-014-0257-7

Abstract: In this work, a 3D numerical approach of the groundwater flow leading to the erosion mechanism of backwardComparison of the 2D and 3D numerical results explicitly demonstrates the inherent 3D nature of the pipingThe results clearly indicate the superiority of the presented 3D numerical model compared to the established2D approach.Moreover, the 3D numerical results enable a better understanding of the complex physical mechanism involved

Keywords： backward erosion piping     groundwater flow     3D finite element method (FEM)    

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Slope stability analysis based on a multigrid method using a nonlinear 3D finite element model

Yaoru LIU, Zhu HE, Bo LI, Qiang YANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 24-31 doi: 10.1007/s11709-013-0190-1

Abstract: rigid-body limit equilibrium method cannot reflect the actual stress distribution in a rock mass, and the finite-element-basedelement computation and a slip surface grid for computing slope stability safety factors.element analysis and limit equilibrium analysis.element computation.To increase the scale and accuracy of the computation, TFINE, a finite element parallel computation program

Keywords： slope     stability     multi-grid method     nonlinear     finite element method    

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Structural characteristics of cement-stabilized soil bases with 3D finite element method

Yunfeng PENG, Yunlong HE,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 428-434 doi: 10.1007/s11709-009-0059-5

Abstract: In this paper, the 3D elastic-plastic finite element method (FEM) was used to analyze the mechanicalThe pavement filling and the traffic loading processes were simulated, and a contact model was used to

Keywords： different     strength     asphalt-concrete pavement     FEM     appropriate stiffness    

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Calculation of prestressed anchor segment by 3D infinite element

Yanfen WANG, Hongyang XIE, Yuanhan WANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 63-66 doi: 10.1007/s11709-009-0006-5

Abstract: Based on 1D infinite element theory, the coordinate transformation and shape function of 3D point-radiationThey were coupled with 8-node finite elements to compute the compressive deformation of the prestressedThe calculation results of the infinite element are close to the theoretical results.

Keywords： infinite element     prestressed anchor     couple     finite element    

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Application of consistent geometric decomposition theorem to dynamic finite element of 3D composite beam

Iman FATTAHI, Hamid Reza MIRDAMADI, Hamid ABDOLLAHI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 675-689 doi: 10.1007/s11709-020-0625-4

Abstract: In this article, equivalent single layer approach is utilized for dynamic finite element procedures of3D composite beam as the building block of numerous composite structures.In this model, both displacement and strain fields are decomposed into cross-sectional and longitudinalThen, the model is discretized using finite element procedures.The same decomposition idea can be used for developing element stiffness matrix.

Keywords： composite beam     dynamic finite element     degrees of freedom coupling     experimental validation     numerical validation    

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3D finite element prediction of chip flow, burr formation, and cutting forces in micro end-milling of

A. DAVOUDINEJAD, P. PARENTI, M. ANNONI

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 203-214 doi: 10.1007/s11465-017-0421-6

Abstract: This study proposed a 3D finite element modeling (3D FEM) approach for the micro end-milling of Al6061Finite element (FE) simulations were performed under different cutting conditions to obtain realisticThe proposed 3D FE model considers the effects of mill helix angle and cutting edge radius on the chipThe prediction capability of the FE model was validated by comparing numerical model and experimentalThis overestimation indicates that the model requires further development.

Keywords： 3D finite element modeling     micro end-milling     cutting force     chip formation     burr formation    

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3D mode discrete element method with the elastoplastic model

Wei HU, Feng JIN, Chong ZHANG, Jinting WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1,   Pages 57-68 doi: 10.1007/s11709-012-0139-9

Abstract: The three-dimensional mode-deformable discrete element method (3MDEM) is an extended distinct elementapproach under the assumptions of small strain, finite displacement, and finite rotation of blocks.The deformation of blocks is expressed by the combination of the deformation modes in 3MDEM.In this paper, the elastoplastic constitutive relationship of blocks is implemented on the 3MDEM platform

Keywords： mode discrete element method     elastoplastic     numerical method     discontinuum     contact    

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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: In the study described in this paper, a novel solidification model for analyzing melt flowing channelTo validate the newly developed algorithm, 2-D benchmark analyses are conducted for steady-state freezingFurthermore, 3-D channel blockage analyses of a boiling water reactor (BWR) fuel support piece have been

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

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A family of non-conforming crack front elements of quadrilateral and triangular types for 3D crack problemsusing the boundary element method

Guizhong XIE, Fenglin ZHOU, Hao LI, Xiaoyu WEN, Fannian MENG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 332-341 doi: 10.1007/s11465-019-0540-3

Abstract: focuses on establishing non-conforming crack front elements of quadrilateral and triangular types for 3Dcrack problems when the dual boundary element method is applied.

Keywords： Taylor expansion     crack front elements     stress intensity factors     dual boundary element method    

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Seepage analysis of Upper Gotvand Dam concerning gypsum karstification (2D and 3D approaches)

Jamshid SADREKARIMI, Majid KIYANI, Behnam FAKHRI, Mohammad Javad VAHDATIRAD, Amin BARARI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 71-78 doi: 10.1007/s11709-010-0083-5

Abstract: In this paper, 2D and 3D models of the dam together with the foundation and abutments were establishedIt was disclosed that the discharge fluxes obtained from 2D and 3D analyses are not similar, and thedischarge flux in 3D model is about four times that of the 2D model.Also, the 3D model locates the phreatic surface somewhat higher than the 2D model.This means that the 2D model estimates lower pore water pressure pattern in comparison with the 3D model

Keywords： Upper Gotvand Dam     seepage analysis     gypsum veins     3D model     discharge flux    

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Simulation of abrasive flow machining process for 2D and 3D mixture models

Rupalika DASH,Kalipada MAITY

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 424-432 doi: 10.1007/s11465-015-0366-6

Abstract: In the current work, a 2D model was designed, and the flow analysis, force calculation, and materialAnother 3D model for a swaging die finishing using AFM was simulated at different viscosities of theTwo phases were considered for the flow analysis, and multiphase mixture model was taken into account

Keywords： abrasive flow machining (AFM)     computational fluid dynamics (CFD) modeling     mixture model    

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A Review on the 3D Printing of Functional Structures for Medical Phantoms and Regenerated Tissue and

Kan Wang, Chia-Che Ho, Chuck Zhang, Ben Wang

Engineering 2017, Volume 3, Issue 5,   Pages 653-662 doi: 10.1016/J.ENG.2017.05.013

Abstract: With the rapid advancement of three-dimensional (3D) printing and 3D bioprinting technologies, many researchersThis paper reviews the applications of these 3D printing and 3D bioprinting technologies for the fabricationThis review specifically discusses the state of the art along with new developments and trends in 3Dmedical phantoms, radiologically relevant medical phantoms, and physiological medical phantoms) and 3D

Keywords： 3D printing     3D bioprinting     Medical phantom     Regenerated tissue/organ     Scaffold    

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Method of internal 3D flow field numerical simulation for hydrodynamic torque converter

SHANG Tao, ZHAO Dingxuan, ZHANG Yuankun, GUO Xiangen, SHI Xiangzhong

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 86-90 doi: 10.1007/s11465-008-0012-7

Abstract: converter and thoroughly understand the trait of inside flow, a numerical simulation method of internal 3Dflow for the three-element centrifugal hydrodynamic torque converter was systematically researched and

Keywords： velocity distribution     calculation     numerical simulation     three-element centrifugal     converter    

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Optimize the design input and analysis methods to improve the seismic safety of nuclear power plants

Zhang Chaoqi and Yang Jianhua

Strategic Study of CAE 2013, Volume 15, Issue 4,   Pages 83-90

Abstract:

The competence of resisting nature extreme disaster is widely concerned after Fukushima nuclear incident in Japan. Many countries carry through investigation actively. The seismic is one of primary threatens for nuclear power plant safety. Therefore the seismic ability of nuclear power plants becomes the investigative emphasis. The floor response spectra is the input of the seismic design for nuclear plant systems, structures and components,and the important part of the seismic design, which is holding the balance in nuclear plant seismic safety. In this paper we use the third generation nuclear power plant example that is ACP1000 normal design excogitated by the China Nuclear Power Engineering Co., LTD. themselves to expatiate the reasonable seismic input and the advanced analysis method for China. Through introducing the input, the analysis process and the method about the ACP1000 floor response spectra are calculated. Then it has significant effect for improving the nuclear power plant seismic design and seismic safety.

Keywords： nuclear power plant     ACP1000     seismic analysis     floor response spectra     3D finite element model     SSI    

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Title Author Date Type Operation

3D finite element analysis of composite noise barrier constructed of polyurethane products

Ben DAEE,Hesham El NAGGAR

Journal Article

3D finite element method (FEM) simulation of groundwater flow during backward erosion piping

Kristine VANDENBOER,Vera van BEEK,Adam BEZUIJEN

Journal Article

Slope stability analysis based on a multigrid method using a nonlinear 3D finite element model

Yaoru LIU, Zhu HE, Bo LI, Qiang YANG

Journal Article

Structural characteristics of cement-stabilized soil bases with 3D finite element method

Yunfeng PENG, Yunlong HE,

Journal Article

Calculation of prestressed anchor segment by 3D infinite element

Yanfen WANG, Hongyang XIE, Yuanhan WANG

Journal Article

Application of consistent geometric decomposition theorem to dynamic finite element of 3D composite beam

Iman FATTAHI, Hamid Reza MIRDAMADI, Hamid ABDOLLAHI

Journal Article

3D finite element prediction of chip flow, burr formation, and cutting forces in micro end-milling of

A. DAVOUDINEJAD, P. PARENTI, M. ANNONI

Journal Article

3D mode discrete element method with the elastoplastic model

Wei HU, Feng JIN, Chong ZHANG, Jinting WANG

Journal Article

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

Journal Article

A family of non-conforming crack front elements of quadrilateral and triangular types for 3D crack problemsusing the boundary element method

Guizhong XIE, Fenglin ZHOU, Hao LI, Xiaoyu WEN, Fannian MENG

Journal Article

Seepage analysis of Upper Gotvand Dam concerning gypsum karstification (2D and 3D approaches)

Jamshid SADREKARIMI, Majid KIYANI, Behnam FAKHRI, Mohammad Javad VAHDATIRAD, Amin BARARI

Journal Article

Simulation of abrasive flow machining process for 2D and 3D mixture models

Rupalika DASH,Kalipada MAITY

Journal Article

A Review on the 3D Printing of Functional Structures for Medical Phantoms and Regenerated Tissue and

Kan Wang, Chia-Che Ho, Chuck Zhang, Ben Wang

Journal Article

Method of internal 3D flow field numerical simulation for hydrodynamic torque converter

SHANG Tao, ZHAO Dingxuan, ZHANG Yuankun, GUO Xiangen, SHI Xiangzhong

Journal Article

Optimize the design input and analysis methods to improve the seismic safety of nuclear power plants

Zhang Chaoqi and Yang Jianhua

Journal Article