Factor’s Influence Analysis of Frost Heave during the Twin-Tunnel Construction Using Artificial Horizontal Ground Freezing Method by Rong-bao Hong, Hai-bing Cai, Meng-kai Li, Ya-ru Li

“…In order to analyze the influence of different twin-tunnel parameters on the frost heave of the ground, six tunnel clear distances (0.25 D, 1.00 D, 1.50 D, 2.00 D, 2.50 D, and 3.00 d), three tunnel buried depths (6 m, 12 m, and 18 m), and two freezing orders (simultaneous freezing and sequential freezing) are selected to establish the two-dimensional numerical calculation models, using ABAQUS finite-element program and the user subroutine of frost heaving deformation, and considering the orthotropic deformation characteristics of frozen soil. …”
Get full text

In-Plane Cyclic Response of Separated Masonry Infill Walls Using Polymeric Materials at the Surrounding Steel Frames Interface Using 3D FE Analysis by Alireza Karkabadi, Mohammad Iman Khodakarami

“…Isolation of the masonry infill wall from the surrounding frame by polymeric material is the idea of this paper to decrease the damage to the structure and masonry infill. In this essay, Finite element models of steel infill frame and isolated infill frame subjected to In-Plane cyclic loading are developed in ABAQUS. …”
Get full text

Elastodynamic modeling and analysis of a 4SRRR overconstrained parallel robot by B. Wang, Y. Zhao, C. Yang, X. Hu, Y. Zhao

“…Comparing the results with the finite element method (FEM) established using Ansys software, it is found that even when the rods are considered single elements the error in the first three natural frequencies does not exceed 3.5 %. …”
Get full text

Aortic Blunt Trauma Analysis during a Frontal Impact by Mario Alberto Grave-Capistrán, Arturo Yishai Prieto-Vázquez, Christopher René Torres-SanMiguel

“…A 150 ms time numerical simulation was developed through the finite element method (MEF), and the model was analyzed simulating a compression load on the artery at its front location. …”
Get full text

Research on Cumulative Damage Characteristics of Rock Anchor Beam Concrete Supporting Structure by Blasting Vibration of Underground Powerhouse by Sheng Wan, Junhong Huang, Yi Luo, Xinping Li, Qingsong Pu

“…Aiming at the dynamic disturbance problem of the upper rock anchor beam concrete support structure caused by the blasting excavation of the lower rock mass of the underground powerhouse of the hydropower station, the dynamic finite element software was used to numerically simulate the cumulative damage characteristics of the rock anchor beam concrete structure under multiple blasting, which aims to study the effect of blasting times and blast center distance on the cumulative damage characteristics of rock anchor beam concrete structures in two directions at different ages. …”
Get full text

Defect prediction and experimental study on investment casting of K4169 superalloy complex thin-walled parts by WANG Xiang, ZHANG Ying, SUI Dashan, CHEN Zhongfeng, DONG Anping, GUO Zhao, QI Fei, YI Chushan, GUI Daxing

“…The filling and solidification processes in investment casting of typical K4169 nickel-based superalloy complex thin-walled casting are simulated by ProCAST finite element software.The temperature field during the casting process is analysed to predict the formation of defects. …”
Get full text

Impact of Cell Layout on Bandwidth of Multi-Frequency Piezoelectric Micromachined Ultrasonic Transducer Array by Wanli Yang, Huimin Li, Yuewu Gong, Zhuochen Wang, Xingli Xu, Xiaofan Hu, Pengfei Niu, Wei Pang

“…The mechanism was investigated from the coupling point of view by finite element analysis and laser Doppler vibrometry, focusing on the cell displacements. …”
Get full text

Study on Long-Term Dynamic Mechanical Properties and Degradation Law of Sandstone under Freeze-Thaw Cycle by Qingsong Pu, Junhong Huang, Fuling Zeng, Yi Luo, Xinping Li, Jixue Zhou, Shilong Zheng

“…Also, the dynamic compressive strength and dynamic elastic modulus of sandstone are analysed under different loading strain rates and freeze-thaw cycle based on LS-DYNA, a dynamic finite element program. The results showed that the dynamic compressive strength of sandstone subjected to multiple freeze-thaw cycles under 0.04 MPa air pressure has a greater damage ratio than that under 0.055 MPa and 0.07 MPa air pressure, which was more likely to cause damage to slope sandstone than in actual engineering; the dynamic compressive strength and elastic modulus of sandstone decrease greatly within a certain range of freeze-thaw cycles and loading strain rate, leading to significant deterioration. …”
Get full text

Research progress of Ti2AlNb alloy and feasibility analysis of its application in aero engines by PEI Huiping, LIU Dong, YAO Lipan, SHAO Tianmin, LIU Qiaomu, LIU Liangliang, CHEN Qianming

“…In response to the lightweight design requirements of future high-performance aviation engines， a combination of statistical comparison， control experiments， finite element simulation analysis， and other methods are used to analyse the material properties， alloy cold/hot processing performance， weight reduction benefits， etc. …”
Get full text

Mechanical properties and energy absorption of CoCrNi functionally graded TPMS cellular structures by Zhaoyi Wang, Junxian Zhou, Yunzhuo Lu, Dongming Li, Deyu Yue, Xu Zhang, Bingzhi Chen

“…Additionally, based on experimental validation, the Johnson-Cook constitutive model for SLM-ed CoCrNi was successfully developed and applied to finite element analysis (FEA) predictions. Notably, it is found that the multi-level absorbing feature of hybrid gradient (HG) provides new insights for the design of energy-absorbing structures, as its lower initial platform triggering threshold and multi-level hardening behavior align with the layer-by-layer collapse deformation of the structure. …”
Get full text

Case study of natural convection topology optimization based on finite volume method by Honglei Liu, Shuzhe Guo, Ce Liu, Fei Du, Baotong Li, Jun Hong

“…This study applies natural convection topology optimization to various engineering cases, including 2D, 3D, inclined, and inverted heat sink with various boundary conditions. Notably, finite element method has long been used as the analysis module of the topology optimization since early studies, which is different from most computational fluid dynamics software that uses finite volume method (FVM). …”
Get full text

Numerical Simulation of Corroded Reinforced Concrete Beam Strengthened by a Steel Plate with Different Strengthening Schemes by Huang Tang, Jianxin Peng, Linfa Xiao, Xinhua Liu, Jianren Zhang

“…This paper proposes 3D nonlinear finite element (FE) models to predict the response of corroded reinforced concrete (RC) beam strengthened using a steel plate. …”
Get full text

Enhancing the flexibility and safety of electric-resistance heating on thick-walled pressure parts of utility boilers in coal-fired power plants by Zhiwen Hou, Liping Pang, Binghao Zhang, Jun Wang, Liqiang Duan, Huimin Wei, Xiaoze Du

“…While focusing on a steam-water separator in a supercritical utility boiler, the finite element method (FEM) is employed in this study to analyze the thermal and mechanical stress amplitude and fatigue lifetime consumption parameters during cold start-up. …”
Get full text

Effects of Cover-Plate Geometry on the Mechanical Behavior of Steel Frame Joints with Middle-Flange and Wide-Flange H-Beams by Osama Zaid Yahya Al-Ansi, Linfeng Lu, Saleem Mohammed Ali Ahmed AL-Saeedi, Bingyou Liu

“…This study investigates the mechanical behavior of cover-plate reinforced connections in steel frames with I-section columns and middle- or wide-flange H-beams, addressing gaps in current design standards. Finite element analyses validated by experimental data were employed to explore the effects of cover-plate geometry—shape, length, and thickness—on seismic performance. …”
Get full text

ARES: A Parallel Discrete Ordinates Transport Code for Radiation Shielding Applications and Reactor Physics Analysis by Yixue Chen, Bin Zhang, Liang Zhang, Junxiao Zheng, Ying Zheng, Cong Liu

“…ARES currently provides diamond difference with or without linear-zero flux fixup, theta weighted, directional theta weighted, exponential directional weighted, and linear discontinuous finite element spatial differencing schemes. Discrete ordinates differencing in angle and spherical harmonics expansion of the scattering source are adopted. …”
Get full text

Modeling and Identification of Electromagnetic Actuator for the Control of Rotating Machinery by T.S. Morais, J. Der Hagopian, V. Steffen Jr., J. Mahfoud

“…Then, a linear model of the shaft mounted on its bearings was defined by using the finite element method and was identified successfully. …”
Get full text

Contact patches of radial tires with different length-to-width ratiosunder static loads by Fengliang Qiao, Zhaojie Shen, Yuxia Kang

“…The size and shape of the contact patches, along with the pressure distribution in tires with different aspect ratios, were analyzed. Five finite element tire models with aspect ratios of 55%, 60%, 65%, 70%, and 75% were developed. …”
Get full text

Numerical Simulation of Dynamic Response Characteristics of Cutting Coal and Rock by a Roller Coal Cutter by Kesong Fan, Yutong Feng, Ruoyang Kong, Hua Wei, Wenlong Jiao, Chenghao Fu, Yunsen Zhou

“…In this study, we establish the 3-D numerical model of cutting the rock and coal by the finite element numerical simulation software in which we obtain the whole process of numerical simulation of the roller cutting coal, mudstone, and sandstone, where different dynamic responses counterpart different types of rock and coal by means of numerical experiments. …”
Get full text

Influence of Full-Life Cycle Wheel Profile on the Contact Performance of Wheel and Standard Fixed Frog in Heavy Haul Railway by He Ma, Jinming Zhang, Jun Zhang, Tao Tao Jin, Chun Yu Song

“…The coupling dynamic models of the vehicle-fixed frog system are established to calculate the change regulation of displacement, contact force, and acceleration when a vehicle passes through the standard fixed frog at a speed of 50 km/h in the facing move in the diverging line. Besides, the finite element models of wheel and standard fixed frog at key positions are developed to simulate the contact patch and distribution of von Mises stress in the regions of the wheel-fixed frog. …”
Get full text

Experimental and Numerical Simulation Study on the Antipenetration Properties of Fiber Ceramic-Reactive Powder Concrete Composite Targets by H. H. Zou, C. M. Song, M. Y. Wang, D. R. Wang, D. S. Wen

“…Separately, combined and integrated finite element models were used to analyze the effect of the fiber layer in the composite target. …”
Get full text