Study on the Triggered Discharge Characteristics of Sphere Gaps for Protecting Transformer Neutral Point by Hongyan Nie, Pengfei Wang, Qingguo Chen, Zhen An, Zhixun Li

“…Its maximum working voltage range 108.5kV were obtained when the main gap distance was 94mm, at this time the upper and lower limits of the working voltage were 196.5kV and 88.5kV. A finite element simulation model of the studied switch was constructed, and the electric field distribution pattern of the 125 mm diameter spark sphere gap switch when got the maximum range of the working voltage was obtained. …”
Get full text

Assessment of Acid Mining Drainage (AMD) Formation in the Ore Stock and Waste Dam Reservoir Areas: An example of Gümüşhane by Enver Akaryalı, Mehmet Ali Gücer, Selçuk Alemdağ

“…In addition, compacted clay (50 cm thick) was laid in order to make impermeable in the stock area, and the resulting vertical profile was modeled in the finite element network system and water discharges determined. …”
Get full text

Evolution and trend of landslide research in India based on a decade long publication record by Ashutosh Kainthola, Vishnu Himanshu Ratnam Pandey, Gaurav Kushwaha, Kumari Priya, P. K. Singh, T. N. Singh

“…Researchers duly examined susceptibility, vulnerability, and risk using statistical techniques, with kinematic analysis and Slope Mass Rating (SMR) being notable empirical methods. The finite-element method was preferred for numerical slope failure analysis. …”
Get full text

Failure analysis and size optimization of CFRP composite single-lap bonded joints based on the influence of multiple parameters by Kang Yang, Ziyi Liu, Xin Qi, Pengyang Li, Shude Ji, Peng Liu, Zhipeng Liu

“…At the same time, a finite element simulation model was established to simulate the damage initiation and evolution process between layers and in the adhesive layer, and analyze the distribution laws of peel stress and shear stress in the adhesive layer. …”
Get full text

Damage Identification in Large-Scale Structures Using Time Series Analysis and Improved Sparse Regularization by Huihui Chen, Xiaojing Yuan

“…Firstly, the model reduction technique is introduced to condense the unconcerned degrees of freedom (DOFs) of the finite element model (FEM) of the large-scale structure, and then the sensitivity of the autoregression (AR) coefficient with respect to the damage coefficient for the large-scale structure has been deduced, which can reduce the uncertainty, which comes from modal identification, in modal parameter sensitivity. …”
Get full text

Investigation of Shock Initiation in Covered Charges under Shock Wave and Fragment Impacts by Xingwang Chen, Jinxiang Wang, Kui Tang, Hongfei Wang, Yuanbo Li

“…Explosive initiation standards coupled with shock wave evolution characteristics were applied to specify the crucial conditions of explosive detonation. Finite element program, for instance, was applied for the simulation of shock initiation processes in pressed charges (when TNT was covered with a steel plate containing a penetrated notch), and then, numerical simulations were validated by experimental findings. …”
Get full text

Sensitivity Analysis of the Johnson-Cook Model for Ti-6Al-4V in Aeroengine Applications by Carlos Beecher, Héctor Sepúlveda, Angelo Oñate, Anne Marie Habraken, Laurent Duchêne, Gonzalo Pincheira, Víctor Tuninetti

“…This study presents a comprehensive sensitivity analysis of the Johnson-Cook plasticity and progressive damage model parameters for Ti-6Al-4V in blade containment simulations. Using finite element models, key plasticity parameters (yield strength (<i>A</i>), strain-hardening constant (<i>B</i>), strain-rate sensitivity (<i>C</i>), thermal softening coefficient (<i>m</i>), and strain-hardening exponent (<i>n</i>)) and damage-related parameters (<i>d</i>1, <i>d</i>2, <i>d</i>3, <i>d</i>4, and <i>d</i>5) were systematically varied by ±5% to assess their influence on stress distribution, plastic deformation, and damage indices. …”
Get full text

Use of combined CZM and XFEM techniques for the patch shape performance analysis on the behavior of a 2024-T3 aluminum structure reinforced with a composite patch by Kouider Madani, Safaa Chahrazed Djebbar, Nadia Kaddouri, Mohamed El Ajrami, Mohamed Belhouari

“…Current research aims to optimize the shape size and fiber's nature of this composite patch in order to ensure good load transfer by reducing the stresses in the damaged area. In this work, a finite element method is used to analysis the effect of the shape of the patch on the global response of a 2024-T3 aluminum structure in the presence of a central circular notch. …”
Get full text

Sensitivity analysis on natural convective trapezoidal cavity containing hybrid nanofluid with magnetic effect: Numerical and statistical approach by Sweety Khatun, Rupa Kundu, Saiful Islam, Ritu Aktary, Dipankar Kumar

“…The associated governing equations are simulated via the finite element method. Exploiting streamlines, isotherms, and line graphs, the results are physically explained for a range of values of Rayleigh number (103 ≤ Ra ≤ 106), nanoparticle volume fraction (0 ≤ ϕ ≤ 0.1), and Hartmann number (0 ≤ Ha ≤ 100). …”
Get full text

Explosive Performance Assessment of Buried Steel Pipeline by Seyed-Mohammad Seyed-Kolbadi, Mohammad Safi, Ayoub Keshmiri, S. Mahdi S. Kolbadi, Masoud Mirtaheri

“…In this investigation, problem of explosion wave’s propagation effects on buried pipes simulated by ABAQUS/CAE 6.10-1 was studied based on the finite element method. Surface explosion effects on gas buried pipe lines and their dynamic response have been investigated depending on properties and their characteristics. …”
Get full text

Moderating the Soft Storey Impact in Multi-Storey Buildings: A Comparative Seismic Investigation by Shabla K, Chıtaranjan Pany, K.i. Praseeda

“…A G+14 storey building finite element model (FEM) has been established via ETABS software and performed Response Spectrum Analysis at three seismic zones-III, IV and V. …”
Get full text

Image-Driven Hybrid Structural Analysis Based on Continuum Point Cloud Method with Boundary Capturing Technique by Kyung-Wan Seo, Junwon Park, Sang I. Park, Jeong-Hoon Song, Young-Cheol Yoon

“…It was shown that the CPCM is more efficient in this hybrid simulation framework than the weak-form-based numerical schemes. Unlike the finite element method (FEM), it can avoid aligning boundary nodes with regression points. …”
Get full text

Spatiotemporal Evolution Characteristics of Fluid Flow through Large-Scale 3D Rock Mass Containing Filling Joints: An Experimental and Numerical Study by Qian Yin, Hongwen Jing, Tantan Zhu, Lizhou Wu, Haijian Su, Liyuan Yu

“…A water inrush phenomenon happens as a result of connected flowing channels induced by migration of fillings. Using the finite element of COMSOL multiphysics, the influences of filling joint permeability, matrix permeability, and joint thickness as well as the inlet water pressure on seepage evolution in the jointed rock mass were, respectively, investigated. …”
Get full text

Randomized radial basis function neural network for solving multiscale elliptic equations by Yuhang Wu, Ziyuan Liu, Wenjun Sun, Xu Qian

“…For each subproblem, similar to the Petrov–Galerkin finite element method, a linear system will be formulated on the foundation of a weak formulation. …”
Get full text

Face Boundary Formulation for Harmonic Models: Face Image Resembling by Hung-Tsai Huang, Zi-Cai Li, Yimin Wei, Ching Yee Suen

“…Face combination and resembling are performed by employing blending curves for generating the face boundary, and face images are converted by numerical methods for harmonic models, such as the finite difference method (FDM), the finite element method (FEM) and the finite volume method (FVM) for harmonic models, and the splitting–integrating method (SIM) for the resampling of constituent pixels. …”
Get full text

A holistic physics-informed neural network solution for precise destruction of breast tumors using focused ultrasound on a realistic breast model by Salman Lari, Hossein Rajabzadeh, Mohammad Kohandel, Hyock Ju Kwon

“…This technique employs concentrated ultrasonic waves to generate intense heat, effectively destroying cancerous tissue. In previous finite element method (FEM) models, the computational demands of handling extensive datasets, multiple dimensions, and discretization posed significant challenges. …”
Get full text

Wear and crack initiation prediction of rail irregularity welding zone by LIN Fengtao, WANG Zixu, TAN Rongkai, ZHANG Zihao, DU Ruiting, SHI Zhiqin

“…In order to investigate the relation between abrasion and crack initiation in the welded zone of rails and axle weight and friction coefficient, through the field measurement of a large number of uneven weld zones, two kinds of typical weld zone uneven data were fitted, and two kinds of typical uneven wheel-rail contact finite element models of upper convex and lower concave weld zones were established. …”
Get full text

Investigation of Chip Morphology in Elliptical Vibration Micro-Turning of Silk Fibroin by Zhengjian Wang, Xichun Luo, Jining Sun, Wenkun Xie, Yinchuan Piao, Yonghang Jiang, Xiuyuan Chen

“…This study introduces elliptical vibration micro-turning as a method for producing silk fibroin particles in the form of cutting chips to serve as carriers for drug delivery systems. A hybrid finite element and smoothed particle hydrodynamics (FE-SPH) model was used to investigate how vibration parameters, such as frequency and amplitude, influence chip formation and morphology. …”
Get full text

Magnetohydrodynamic mixed convective heat transfer augmentation in a rectangular lid-driven enclosure with a circular hollow cylinder utilizing nanofluids by U.K. Suma, M. Masum Billah, Aminur Rahman Khan, K.E. Hoque

“…The governing equations along with the boundary conditions of the problem have been transformed into a non-dimensional formulation. Finite element method based on Galarkin weighted residual has been employed to figure out the outcome of the non-dimensional and non-linear PDEs. …”
Get full text

Numerical modeling of land subsidence induced by groundwater extraction considering unsaturated effects and using element-free Galerkin (EFG) method by A. Tourei, A. Pak, M. A. Iranmanesh

“…To ascertain the reliability of the modeling, we compared the results obtained from the EFG method with those from the Finite Element Method (FEM). The comparative analysis of EFG and FEM models demonstrates discrepancies of 5.51% in land subsidence and 13.35% in hydraulic head reduction, which are satisfying. …”
Get full text