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. …”
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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. …”
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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. …”
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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. …”
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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. …”
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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. …”
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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. …”
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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. …”
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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. …”
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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. …”
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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. …”
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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. …”
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Identification of Hydraulic Connection Points between Different Confined Aquifers in the Liyazhuang Coal Mine by Zhenghe Liu, Peiyun Zhao, Lusheng Yang, Jingui Zhao, Hailong Ye, Jun Yang, Rujun Mo

“…First, each node of the finite element grid was considered as a water inrush point to determine the water level at other nodes. …”
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Rehabilitation and Strengthening of Damaged Reinforced Concrete Beams Using Carbon Fiber-Reinforced Polymer Laminates and High-Strength Concrete Integrating Recycled Tire Steel Fib... by Hasan A. Alasmari, Ibrahim A. Sharaky, Ahmed S. Elamary, Ayman El-Zohairy

“…Moreover, the Abaqus finite element (FE) program was implemented to simulate the upgraded damaged beams. …”
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Analysis of Pure Bending Vertical Deflection of Improved Composite Box Girders with Corrugated Steel Webs by Chi Ma, Shi-zhong Liu, Jin Di, Rui-jie Zhang

“…Based on the theoretical derivation, an analytical solution method was established and the obtained vertical deflection analytical solutions were compared with the finite element method (FEM) calculation results and the experimental values. …”
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The Effect of Interlayer on Water Cut Rise in a Bottom Water Reservoir by Yunpeng Hu, Xiaoling Zhang, Wei Ding, Ziyun Cheng, Liangchao Qu, Penghui Su, Chunliu Sun, Wenqi Zhang

“…In this paper, the mathematical model of two-phase flow in the bottom water reservoir with the interlayer is proposed, and the numerical solution of the model is obtained by a finite element method. The influence of the distribution of the interlayer on the water cut rising law of the bottom water reservoir is analyzed. …”
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Design and Analysis of Floater Structures using Composite Material in 19 Seaters Aircraft by Andi Muhdiar Kadir, Arief Setyawan, Fithri Nur Purnamasari, Nurhadi Pramana, Muhammad, Ilham Akbar Adi Satriya, Riza Wirawan, Budi Sampurno

“…The specimens with five fiber orientation variations (UD: 0o, 90o, and 45o and Fabric: ±45o and 0o/90o) were tested, and the results were utilized as data input for finite element analysis. Floater structure modeling was conducted to predict its strength and weight. …”
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Numerical Analysis on the Storage of Nuclear Waste in Gas-Saturated Deep Coal Seam by Teng Teng, Yuming Wang, Xiaoyan Zhu, Xiangyang Zhang, Sihai Yi, Guowei Fan, Bin Liu

“…As the second step, a finite element numerical model and numerical simulation are developed to analyze the storage of nuclear waste in a gas-saturated deep coal seam based on the partial differential equations (PDE) solver of COMSOL Multiphysics with MATLAB. …”
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Adaptation of an additively manufactured reactor concept for catalytic methanation with in-situ tar co-reforming of biogenic syngas by Jakob Müller, Alexander Feldner, Simon Markthaler, Peter Treiber, Jürgen Karl

“…Both designs were subject to a preliminary feasibility study, to ensure sufficient heat removal and a finite element analysis regarding structural stability was performed. …”
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Strain rebound and inhomogeneity in glass-to-metal seals: Radial vs axial strain evolution by Keqian Gong, Zheng Liu, Zifeng Song, Chao Zhou, Zhangjing Shi, Siyue Nie, Weisong Zhou, He Yan, Zhichun Fan, Yong Zhang

“…Moreover, the mismatch in thermal expansion coefficients between the glass and the metal housing significantly amplified radial strain, resulting in marked directional differences in strain behavior. Finite element analysis further corroborated these findings, confirming more pronounced variations in axial strain compared to the more uniform behavior observed in radial strain. …”
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