Search Results - "Generalized/Extended finite element method"

Stable Generalized/eXtended Finite Element Method with global–local enrichment for material nonlinear analysis by Novelli, Larissa, Oliveira, Thaianne Simonetti de, Monteiro, Humberto Alves da Silveira, Fonseca, Gabriela Marinho, Pitangueira, Roque Luiz da Silva, Barros, Felício Bruzzi

“…This paper presents a novel methodology for the solution of nonlinear problems using the Stable Generalized/eXtended Finite Element Method (SGFEM…”
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Validation and Improvements of a Generalized/eXtended Finite Element Method for 3-D Fatigue Crack Propagation: Validation and Improvements of a 3-D GFEM for Fatigue Crack Propagation by Avecillas-Leon, Javier A., Singh, Ishank, Duarte, C. Armando

“…The main objectives of this paper are to simulate 3-D fatigue crack propagation using a Generalized Finite Element Method (GFEM) and to validate the results…”
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Free in-plane vibration analysis of curved beams by the generalized/extended finite element method by Corrêa, Ramon Macedo, Arndt, Marcos, Machado, Roberto Dalledone

“…Arches and curved beams are solved here by the G/XFEM in the context of free vibration problems. This hierarchical enrichment method has been used in many…”
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Accuracy and robustness of stress intensity factor extraction methods for the generalized/eXtended Finite Element Method by Gupta, P., Duarte, C.A., Dhankhar, A.

“…) extraction methods for the Generalized/eXtended Finite Element Method (G/XFEM): the Cutoff Function Method (CFM…”
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Validation and Improvements of a Generalized/eXtended Finite Element Method for 3-D Fatigue Crack Propagation by Avecillas-Leon, Javier A., Singh, Ishank, Duarte, C. Armando

“…The main objectives of this paper are to simulate 3-D fatigue crack propagation using a Generalized Finite Element Method (GFEM) and to validate the results…”
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Generalized eXtended Finite Element Method for Deformable Cutting via Boolean Operations by Ton‐That, Q. M., Kry, P. G., Andrews, S.

“…Traditional mesh‐based methods for cutting deformable bodies rely on modifying the simulation mesh by deleting, duplicating, deforming or subdividing its…”
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A novel application of recovered stresses in stress intensity factors extraction methods for the generalized/extended finite element method by Lins, Rafael M., Fonseca, Gabriela M., Barros, Felício B.

“…Summary An efficient improvement to compute Stress Intensity Factors (SIFs) in two‐dimensional fracture mechanics problems solved by Generalized/eXtended Finite Element Method and Stable Generalized Finite Element Method is proposed…”
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A computational framework for a two-scale generalized/extended finite element method: Generic imposition of boundary conditions by Malekan, Mohammad, Barros, Felício, Pitangueira, Roque Luiz da Silva, Alves, Phillipe Daniel, Penna, Samuel Silva

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Validation of a 3-D adaptive stable generalized/eXtended finite element method for mixed-mode brittle fracture propagation by Mukhtar, Faisal M., Alves, Phillipe D., Duarte, C. Armando

“…In this paper, a Stable Generalized/eXtended Finite Element Method (SGFEM) is combined with mesh adaptivity for the robust and computationally efficient simulation of mixed-mode brittle fracture propagation…”
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Well-conditioning global–local analysis using stable generalized/extended finite element method for linear elastic fracture mechanics by Malekan, Mohammad, Barros, Felicio Bruzzi

“…Using the locally-enriched strategy to enrich a small/local part of the problem by generalized/extended finite element method (G/XFEM…”
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Efficient and accurate stress recovery procedure and a posteriori error estimator for the stable generalized/extended finite element method by Lins, Rafael, Proença, Sergio Persival, Duarte, C. Armando

“…Summary This paper presents a new stress recovery technique for the generalized/extended finite element method (G/XFEM…”
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Two-dimensional fracture modeling with the generalized/extended finite element method: An object-oriented programming approach by Malekan, Mohammad, Silva, Leandro L., Barros, Felicio B., Pitangueira, Roque L.S., Penna, Samuel S.

“…•A new computational framework for crack nucleation and propagation that covers both linear and nonlinear material models, using the Generalized/Extended Finite Element Method (G/XFEM…”
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Integration of singular enrichment functions in the generalized/extended finite element method for three-dimensional problems by Park, Kyoungsoo, Pereira, Jeronymo P., Duarte, C. Armando, Paulino, Glaucio H.

“…A mapping method is developed to integrate weak singularities, which result from enrichment functions in the generalized/extended finite element method…”
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On the numerical integration in generalized/extended finite element method analysis for crack propagation problems by Campos, Bruna Caroline, Barros, Felício Bruzzi, Penna, Samuel Silva

“…Purpose The purpose of this paper is to evaluate some numerical integration strategies used in generalized (G)/extended finite element method (XFEM) to solve…”
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On the enrichment zone size for optimal convergence rate of the Generalized/Extended Finite Element Method by Gupta, Varun, Duarte, C. Armando

“…Singular enrichment functions are broadly used in Generalized or Extended Finite Element Methods (GFEM/XFEM) for linear elastic fracture mechanics problems…”
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Selective enrichment and modal matrix reduction in the generalized / eXtended Finite Element Method applied to dynamic analysis of plane state problems by Cittadin, Carolina Castro, Corrêa, Ramon Macedo, Arndt, Marcos, Machado, Roberto Dalledone

“…The Generalized/eXtended Finite Element Method (G/XFEM) has successfully been applied in the dynamic analysis of a variety of structures such as bars, trusses, beams, and two-dimensional (2D) problems…”
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Numerical analysis of a main crack interactions with micro-defects/inhomogeneities using two-scale generalized/extended finite element method by Malekan, Mohammad, Barros, Felício B.

“…Generalized or extended finite element method (G/XFEM) models the crack by enriching functions of partition of unity type with discontinuous functions that…”
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Fracture analysis for materials by a stable generalized/extended finite element method by Jia, H G, Zhao, Y M, Nie, Y F, Li, S Q

“…In this paper, a method is proposed for extracting fracture parameters in isotropic material cracking via a stable generalized/extended finite element method…”
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A displacement-based and explicit non-planar 3D crack propagation model in the generalized/extended finite element method by Wolff, Kelson P., Pitangueira, Roque L.S., Peixoto, Rodrigo G.

“…•The DCM for SIFs extraction is easily implemented in FEM existing codes.•The DCM can be successfully used in G/XFEM crack propagation problems.•Reasonable…”
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A new approach for physically nonlinear analysis of continuum damage mechanics problems using the generalized/extended finite element method with global-local enrichment by Monteiro, H.A.S., Novelli, L., Fonseca, G.M., Pitangueira, R.L.S., Barros, F.B.

“…The Generalized/Extended Finite Element Method (G/XFEM) is a numerical technique suitable to solve a wide range of continuum mechanics problems…”
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