Improved xfem

Witryna9 paź 2024 · Improved nonlinear model of a yaw damper for simulating the dynamics of a high-speed train. Restricted access Research article First published October 9, ... Analysis of the initiation and propagation of fatigue cracks in the CRTS II slab track inter-layer using FE-SAFE and XFEM. Restricted access Research article First published … Witryna2 mar 2016 · The extended finite element method (XFEM) is improved to directly …

有压隧洞衬砌开裂过程的扩展有限元分析_参考网

Witryna11 cze 2024 · Extended finite element method IC Received in revised form 8 April 2016 (XFEM) is used in an Abaqus model to study the dynamic extension of transverse surface Accepted 4 May 2016 cracks during the straightening and bending process of the as-cast steel slab. Results show Available online 6 May 2016 that the ductile fracture … Witryna30 wrz 2024 · Jena et al. accurately captured the singularity at the crack tip during semipermeable crack propagation using XFEM. Xiao et al. proposed a B-spline ruled surface algorithm, which was applied to modeling arbitrary 3D crack propagation in the context of the improved XFEM. It had been proved to possess both efficiency and … reading rg30 2rw https://compassllcfl.com

Improved XFEM (IXFEM): 3D dynamic crack propagation under …

WitrynaFor the purpose of this research, an extended finite element method (XFEM) code is developed to simulate fracture propagation, initiation and intersection. The motivation behind applying XFEM are the desire to avoid remeshing in each step of the fracture propagation, being able to consider arbitrary varying geometry of natural fractures and … WitrynaUSP Schools Escola de Artes, Ciências e Humanidades (EACH) Escola de Comunicações e Artes (ECA) Escola de Enfermagem (EE) Escola de Enfermagem de Ribeirão Preto (EERP) Escola de Educação Física e Esporte (EEFE) Escola de Educação Física e Esporte de Ribeirão Preto (EEFERP) Escola de Engenharia de … Witryna24 mar 2024 · DOI: 10.1007/s00603-023-03290-7 Corpus ID: 257742635; Modeling Three-Dimensional Pattern of Fluid-Driven Fracturing Using a Simplified Flow-Mechanical Damage Model @article{Huang2024ModelingTP, title={Modeling Three-Dimensional Pattern of Fluid-Driven Fracturing Using a Simplified Flow-Mechanical Damage … reading rg1 7rh

Improved XFEM (IXFEM): 3D dynamic crack propagation under …

Category:Materials Free Full-Text Investigation on Indentation Cracking ...

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Improved xfem

Materials Free Full-Text Investigation on Indentation Cracking ...

WitrynaThe improved XFEM magnetic vector potential approximation can be expressed by . N NNu x x u x x x a h i i j k k j k i I k jJ ek \M ¦ ¦ ¦ (1 ) where u i and a j are nodal unknowns, N i (x) and N j (x) the finite element shape functions, ψ(x) is the enrichment function, which contains the desirable discontinuous properties, and Je WitrynaThis paper proposes an improved extended finite element method for modeling electromagnetic devices with multiple nearby geometrical interfaces. In regions near these interfaces, the magnetic vector potential approximation is enriched by incorporating multiple derivative discontinuous fields based on the partition of unity method such …

Improved xfem

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Witryna28 lip 2015 · In this paper, a modified intrinsic extended finite element method (XFEM) … Witrynathe enrichment function is modified, the proposed Is-XFEM, together with appropriate …

Witryna30 sty 2024 · 相较于常规扩展有限元法 (extended finite element method, XFEM), 改进型扩展有限元法 (improved XFEM) 解决了现有方法线性相关与总体刚度矩阵高度病态问题, 在数量级上提升了总体方程的求解效率, 克服了现有方法在动力学问题中的能量正确传递、动态应力强度因子数值震荡、精度低下问题. 本文基于改进型XFEM, 采用Newmark 隐 … Witryna2 mar 2024 · Moreover, authors evaluated the effective stress intensity factors in the regard of propagating crack in thin and thick panels. Therefore, an Extended Finite Element Method (XFEM) is novel and improved technique on the elastic T-stress evaluations for a notch in a pipe steel exposed to internal pressure.

Witryna16 gru 2024 · An improved stable XFEM (Is-XFEM) with a novel enrichment function for the computational modeling of cohesive cracks. Computer Methods in Applied Mechanics and Engineering, 2015, 295: 77–107 MathSciNet MATH Google Scholar Rabczuk T Belytschko T. Cracking particles: A simplified meshfree method for arbitrary evolving … Witryna1 lut 2024 · Improved XFEM (IXFEM): 3D dynamic crack propagation under impact …

Witryna本文采用xfem对不同断面形式的隧洞衬砌进行计算分析,模拟衬砌裂缝的萌生及扩展过程,得到一些裂缝扩展的规律,展示出xfem研究开裂问题的可行性及其独特的优越性。 1 不同断面形状的衬砌结构分析. 1.1 工程概况

Witryna15 kwi 2024 · The technique is applied to modeling arbitrary 3D crack propagation in … reading rg30 6tpWitryna17 lip 2024 · A coupled field-circuit analysis method for the HTS cable considering magnetic hysteresis by using the improved XFEM is presented. This hysteresis model is firstly combined with the improved XFEM to determine the magnetic hysteresis inductance. A magnetic field-circuit coupled program for current analysis of … reading rg7 1lsWitryna1 mar 2015 · An improved XFEM (i XFEM) is developed to overcome those difficulties … reading rg30 1ahWitryna10 kwi 2024 · In this branch, many methods have been proposed, such as the extended finite element method (XFEM) [14], [15], [16], the generalized finite element method (GFEM) [17]. In XFEM approach, the kinematics of finite elements is extended to incorporate the discontinuity with the suitable space. ... Although these contributions … how to survey untitled landWitryna19 lut 2024 · The scheme is based on a variant of the extended finite element method … how to survey your landWitryna24 lut 2016 · In order to simulate the crack propagation under compressive loading, the maximum tangential stress (MTS) criterion was firstly improved and incorporated in developed extended finite element method (XFEM) code. The XFEM allows crack growing through the finite element mesh without re-meshing process. reading rg2 0slWitryna27 lip 2016 · The SG/XFEM is aiming to improve the conditioning property of the G/XFEM. Another advantage is that the SG/XFEM does not use ramp-functions in the transitory elements between regions of different kinds of … how to survey for stag beetles