Výsledky vyhľadávania - "Finite elements in analysis and design"

2D and 3D Abaqus implementation of a robust staggered phase-field solution for modeling brittle fracture Autor Molnár, Gergely, Gravouil, Anthony

“…In order to model brittle fracture, we have implemented a two and three dimensional phase-field method in the commercial finite element code Abaqus/Standard…”
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Cracking elements method with a dissipation-based arc-length approach Autor Zhang, Yiming, Huang, Junguang, Yuan, Yong, Mang, Herbert A.

“…The dissipated strain energy, representing a monotonically increasing state variable in nonlinear fracture mechanics, can be used to develop an arc-length…”
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Cracking elements: A self-propagating Strong Discontinuity embedded Approach for quasi-brittle fracture Autor Zhang, Yiming, Zhuang, Xiaoying

“…In this paper, we present a self-propagating Strong Discontinuity embedded Approach (SDA) for quasi-brittle fracture. The method is based on the Statically…”
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A machine learning-based surrogate model for optimization of truss structures with geometrically nonlinear behavior Autor Mai, Hau T., Kang, Joowon, Lee, Jaehong

“…Design optimization of geometrically nonlinear structures is well known as a computationally expensive problem by using incremental-iterative solution…”
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A shear wall element for nonlinear seismic analysis of super-tall buildings using OpenSees Autor Lu, Xinzheng, Xie, Linlin, Guan, Hong, Huang, Yuli, Lu, Xiao

“…Numerical simulation has increasingly become an effective method and powerful tool for performance-based earthquake engineering research. Amongst the existing…”
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GPT-PINN: Generative Pre-Trained Physics-Informed Neural Networks toward non-intrusive Meta-learning of parametric PDEs Autor Chen, Yanlai, Koohy, Shawn

“…Physics-Informed Neural Network (PINN) has proven itself a powerful tool to obtain the numerical solutions of nonlinear partial differential equations (PDEs)…”
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Modeling metal deposition in heat transfer analyses of additive manufacturing processes Autor Michaleris, Panagiotis

“…Additive Manufacturing (AM) processes for metallic parts using both laser and electron beam heat sources are becoming increasingly popular due to their…”
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A simple hybrid linear and nonlinear interpolation finite element for the adaptive Cracking Elements Method Autor Wang, Xueya, Zhang, Yiming, Wen, Minjie, Mang, Herbert A.

“…The Cracking Elements Method (CEM) is a numerical tool for simulation of quasi-brittle fracture. It neither needs remeshing, nor nodal enrichment, or a…”
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On the crack opening and energy dissipation in a continuum based disconnected crack model Autor Zhang, Yiming, Gao, Zhiran, Li, Yanyan, Zhuang, Xiaoying

“…All crack models developed to date can be classified into discrete- and continuum-based approaches. While discrete models are advantageously capable of…”
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Crashworthiness analysis and design of multi-cell hexagonal columns under multiple loading cases Autor Qiu, Na, Gao, Yunkai, Fang, Jianguang, Feng, Zhaoxuan, Sun, Guangyong, Li, Qing

“…Multi-cell thin-walled structures have proven fairly effective in energy absorption and have been extensively used in vehicle engineering. However, the effects…”
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Adaptive mesh refinement and cycle jumps for phase-field fatigue fracture modeling Autor Jaccon, Adrien, Prabel, Benoit, Molnár, Gergely, Bluthé, Joffrey, Gravouil, Anthony

“…A phase-field approach was used in order to model the complex mechanisms of fatigue crack nucleation and growth. This popular method enables a flexible…”
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An h-adaptive thermo-mechanical phase field model for fracture Autor Badnava, Hojjat, Msekh, Mohammed A., Etemadi, Elahe, Rabczuk, Timon

“…In this work, brittle fracture and thermo-mechanical induced cracks are simulated using a phase field model in 2D and 3D continua in homogeneous and…”
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Steiner-point free edge cutting of tetrahedral meshes with applications in fracture Autor Areias, P., Rabczuk, T.

“…Realistic 3D finite strain analysis and crack propagation with tetrahedral meshes require mesh refinement/division. In this work, we use edges to drive the…”
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Full-scale 3D structural topology optimization using adaptive mesh refinement based on the level-set method Autor Li, Hao, Yamada, Takayuki, Jolivet, Pierre, Furuta, Kozo, Kondoh, Tsuguo, Izui, Kazuhiro, Nishiwaki, Shinji

“…We propose a parallel distributed and open-source framework for full-scale 3D structural topology optimization (TO). This can be achieved by properly combining…”
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An eXtended Finite Element Method implementation in COMSOL Multiphysics: Solid Mechanics Autor Jafari, Ahmad, Broumand, Pooyan, Vahab, Mohammad, Khalili, Nasser

“…This paper presents the implementation of the eXtended Finite Element Method (XFEM) in the general-purpose commercial software COMSOL Multiphysics for the…”
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Uncertainty analysis in solid mechanics with uniform and triangular distributions using stochastic perturbation-based Finite Element Method Autor Kamiński, Marcin

“…In this paper theoretical formulation and computational implementation of the Stochastic perturbation-based Finite Element Method (SFEM) for uncertainty…”
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An extended finite element method for hydraulic fracture propagation in deformable porous media with the cohesive crack model Autor Mohammadnejad, T., Khoei, A.R.

“…In this paper, a fully coupled numerical model is developed for the modeling of the hydraulic fracture propagation in porous media using the extended finite…”
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Numerical prediction of blast fragmentation of reinforced concrete slab using ALE-FEM-SPH coupling method Autor Wang, Zitong, Chen, Wensu, Hao, Hong, Dong, Youkou, Huang, Zhijie

“…Spalling is a typical damage mode of reinforced concrete (RC) structures subjected to blast and impact loads. Concrete debris from spalling damage could be…”
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Numerical modeling of pile penetration in silica sands considering the effect of grain breakage Autor Jin, Yin-Fu, Yin, Zhen-Yu, Wu, Ze-Xiang, Daouadji, Ali

“…Current numerical platforms rarely consider the effect of grain breakage in the design of sandy soil foundations. This paper presents an enhanced platform for…”
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Topology optimization considering the distortion in additive manufacturing Autor Miki, Takao, Yamada, Takayuki

“…Additive manufacturing is a free-form manufacturing technique in which parts are built in a layer-by-layer manner. Laser powder bed fusion is one of the…”
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