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Concurrent fatigue crack growth simulation using extended finite element method

Zizi LU, Yongming LIU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 339-347 doi: 10.1007/s11709-010-0078-2

Abstract: growth analysis is proposed using a novel small time scale model for fatigue mechanism analysis and the extendedfinite element method (X-FEM) for fatigue crack growth simulation.The X-FEM greatly facilitates crack growth simulation without remeshing requirements ahead of the cracktip as in the classical finite element method.The basic concept and theory of X-FEM was briefly introduced and numerical predictions of stress intensity

Keywords: small time scale model     extended finite element method (X-FEM)     crack growth     multiaxial    

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).article first provides a concise and easy-to-follow presentation of key formulations used in the S-FEMA number of important properties and unique features of S-FEM models are discussed in detail, includingThe S-FEM is thus ideal for automation in computations and adaptive analyses, and hence has profound

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

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: Backward erosion piping is an important failure mechanism for cohesive water retaining structures which are founded on a sandy aquifer. At present, the prediction models for safety assessment are often based on 2D assumptions. In this work, a 3D numerical approach of the groundwater flow leading to the erosion mechanism of backward erosion piping is presented and discussed. Comparison of the 2D and 3D numerical results explicitly demonstrates the inherent 3D nature of the piping phenomenon. In addition, the influence of the seepage length is investigated and discussed for both piping initiation and piping progression. The results clearly indicate the superiority of the presented 3D numerical model compared to the established 2D approach. Moreover, the 3D numerical results enable a better understanding of the complex physical mechanism involved in backward erosion piping and thus can lead to a significant improvement in the safety assessment of water retaining structures.

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

Fatigue of asphalt binder, mastic and mixture at low temperature

Dong WANG, Linbing WANG, Guoqing ZHOU

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 166-175 doi: 10.1007/s11709-012-0157-7

Abstract: A new experiment method is developed to evaluate the performances of asphalt binder, mastic and fineare developed to model the fatigue of the asphalt binder, mastic and mixture specimens based on the finiteelement method (FEM).

Keywords: fatigue     asphalt mixture     asphalt binder     mastic     finite element method (FEM)     X-ray tomography    

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-basedIn addition, due to using only three-node triangular elements generated automatically, the CS-FEM-DSG3functions of the extended finite element method (XFEM) to give a so-called extended cell-based smootheddiscrete 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    

Two-scale modeling of granular materials: A FEM-FEM approach

Yun-Zhu CAI, Yu-Ching WU

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 304-315 doi: 10.1007/s11709-013-0213-y

Abstract: In the present paper, a homogenization-based two-scale FEM-FEM model is developed to simulate compactionsThe granular structure consisting of two-dimensional grains is modeled by the microscopic finite elementfinite element method at large-scale level.The two-scale FEM-FEM model is developed in which each particle is treated individually with the appropriateconstitutive relations obtained from a representative volume element, kinematic conditions, contact

Keywords: homogenization     two-scale     representative volume element     compaction     granular assembly     finite element method    

FEM-based strain analysis study for multilayer sheet forming process

Rongjing ZHANG,Lihui LANG,Rizwan ZAFAR

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 373-379 doi: 10.1007/s11465-015-0371-9

Abstract: To further explore the novel method, this study conducts a finite element method-based (FEM-based) strainanalysis on multilayer blanks by using the 3A method.this study will enhance the knowledge on the mechanics of multilayer structures formed by using the 3A method

Keywords: finite element method (FEM)     strain analysis     multilayer sheet forming    

Ribbon bridge in waves based on hydroelasticity theory

Cong WANG, Shixiao FU, Weicheng CUI

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 57-62 doi: 10.1007/s11709-009-0005-6

Abstract: Based on the 3D hydroelasticity theory, the hydroelastic behavior of the ribbon bridge modeled by finiteelement method (FEM) was analyzed by employing the mode superposition method.It is found that the present method is applicable and adaptable for predicting the hydroelastic response

Keywords: hydroelasticity     ribbon bridge     wave     finite element method (FEM)    

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 areXFEM are studied, which include the XFEM integral scheme without quadrature sub-cells and higher order elementTherefore, the balance of time cost between FE system scale and the order of element needs to be discussedproposed 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    

Dynamic analysis of a rig shafting vibration based on finite element

Van Thanh NGO, Danmei XIE, Yangheng XIONG, Hengliang ZHANG, Yi YANG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3,   Pages 244-251 doi: 10.1007/s11465-013-0264-8

Abstract:

In recently, finite elements method (FEM) has been used most popular for analysis of stress, vibrationthis paper studies the lateral vibration of the rig shafting with multi-degree-of-freedom by using FEMThe FEM model is created and the eigenvalues and eigenvectors are calculated and analyzed to find natural

Keywords: Finite element method (FEM)     lateral vibration     rig shafting     rotor-bearing system     dynamic characteristics    

Evaluation of the stability of terraced slopes in clayey gravel soil using a novel numerical technique

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 796-811 doi: 10.1007/s11709-023-0922-9

Abstract: Conventional geotechnical software limits the use of the strength reduction method (SRM) based on thepresent study, an innovative numerical technique based on SRM was developed to determine SF using the finiteelement method and considering the extended Cam–clay constitutive model for clayey gravel soil as opposed

Keywords: terraced slope     safety factor     finite element method     ABAQUS     extended Cam–clay    

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 engineering applications in the past few years. However, its application in numerical methods, especially in developing new shape functions, has attracted much interest in recent years. These shape functions possess the potential for performing better than the conventional basis functions in problems with randomly generated coarse meshes. In this paper, the maximum entropy theory is adopted to spatially discretize the deformation variable of the governing coupled equations of porous media. This is in line with the well-known fact that higher-order shape functions can provide more stable solutions in porous problems. Some of the benchmark problems in deformable porous media are solved with the developed approach and the results are compared with available references.

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

Flexural-torsional buckling behavior of aluminum alloy beams

Xiaonong GUO,Zhe XIONG,Zuyan SHEN

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 163-175 doi: 10.1007/s11709-014-0272-8

Abstract: Secondly, besides the experiments, a finite element method (FEM) analysis on the flexural-torsional bucklingThe main parameters in the FEM analysis are initial imperfection, material property, cross-section andAccording to the analytical results, it is indicated that the FEM is reasonable to capture mechanical

Keywords: flexural-torsional buckling     aluminum alloy beams (AAB)     finite element method (FEM)     theoretical formula    

An investigation on prevalent strategies for XFEM-based numerical modeling of crack growth in porous media

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 914-936 doi: 10.1007/s11709-021-0750-8

Abstract: Among all numerical methods, the extended finite element method (XFEM) has recently attracted much attention

Keywords: numerical modeling     extended finite element method     porous media     crack growth     stress intensity factor    

Special Column on Multiscale Stochastic Finite Element Method

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 105-106 doi: 10.1007/s11709-015-0297-7

Title Author Date Type Operation

Concurrent fatigue crack growth simulation using extended finite element method

Zizi LU, Yongming LIU,

Journal Article

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

Gui-Rong Liu

Journal Article

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

Kristine VANDENBOER,Vera van BEEK,Adam BEZUIJEN

Journal Article

Fatigue of asphalt binder, mastic and mixture at low temperature

Dong WANG, Linbing WANG, Guoqing ZHOU

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

Two-scale modeling of granular materials: A FEM-FEM approach

Yun-Zhu CAI, Yu-Ching WU

Journal Article

FEM-based strain analysis study for multilayer sheet forming process

Rongjing ZHANG,Lihui LANG,Rizwan ZAFAR

Journal Article

Ribbon bridge in waves based on hydroelasticity theory

Cong WANG, Shixiao FU, Weicheng CUI

Journal Article

XFEM schemes for level set based structural optimization

Li LI, Michael Yu WANG, Peng WEI

Journal Article

Dynamic analysis of a rig shafting vibration based on finite element

Van Thanh NGO, Danmei XIE, Yangheng XIONG, Hengliang ZHANG, Yi YANG

Journal Article

Evaluation of the stability of terraced slopes in clayey gravel soil using a novel numerical technique

Journal Article

Maximum entropy based finite element analysis of porous media

Emad NOROUZI, Hesam MOSLEMZADEH, Soheil MOHAMMADI

Journal Article

Flexural-torsional buckling behavior of aluminum alloy beams

Xiaonong GUO,Zhe XIONG,Zuyan SHEN

Journal Article

An investigation on prevalent strategies for XFEM-based numerical modeling of crack growth in porous media

Journal Article

Special Column on Multiscale Stochastic Finite Element Method

Journal Article