Analytical Evaluation of Reinforced Concrete Pier and Cast-in-Steel-Shell Pile Connection Behavior considering Steel-Concrete Interface by Jiho Moon, Dawn E. Lehman, Charles W. Roeder, Hak-Eun Lee, Tae-Hyung Lee

“…In this study, the structural behavior of the RC pier and the CISS pile connection is simulated by using an advanced 3D finite element (FE) method, where the interface between the steel and concrete is also modeled. …”
Get full text

A Pilot Study on Structural Responses of Normal Concrete-UHPC Composite Bridge Decks w/wo Rebars through an Experimental-Numerical Approach by Siqi Yuan, Zhao Liu, Teng Tong, Chung C. Fu

“…Moreover, analytical solutions for predicting a composite deck’s flexural and shear strengths are tentatively derived. Finally, 3D finite element (FE) models are developed within ATENA framework, capable of embracing the NC-UHPC interface’s behaviors. …”
Get full text

Design and Experimental Implementation of a Beam-Type Twin Dynamic Vibration Absorber for a Cantilevered Flexible Structure Carrying an Unbalanced Rotor: Numerical and Experimental... by Abdullah Özer, Mojtaba Ghodsi, Akio Sekiguchi, Ashraf Saleem, Mohammed Nasser Al-Sabari

“…An experimental laboratory prototype setup has been built and implemented in our laboratory and numerical investigations have been performed through finite element analysis. The proposed system design consists of a primary cantilevered flexible structure with an attached dual-mass cantilevered secondary dynamic vibration absorber arrangement. …”
Get full text

Charged System Search Algorithm Utilized for Structural Damage Detection by Zahra Tabrizian, Gholamreza Ghodrati Amiri, Morteza Hossein Ali Beigy

“…The method is applied at an element level using a finite element model. According to continuum damage mechanics, damage is represented by a reduction factor of the element stiffness. …”
Get full text

Investigations of the Elongational Deformation Induced by Pins in Pin-Barrel Cold-Feed Extruders by Zhilin Wang, Yiren Pan, Yanchang Liu, Jing Huang, Ning Wang, Xuehua Hu

“…It is proved that there is elongational deformation when the fluid bypasses the pin, and the elongational deformation is quantitatively calculated. The finite element method is used to simulate the flow field of the screw mixing section of the pin-barrel cold-feed extruder with different specifications. …”
Get full text

A Numerical Study on the Crashworthiness of Corrugated Conical Tubes with Small Semi-Apical Angles and Their Influence Mechanism by Yiheng Song, Qinyu Lin, Jinxiang Chen, Tidong Zhao

“…This study proposes adding corrugations to conical tubes with small semi-apical angles and modifying the bottom by replacing the last one or two inclined corrugations with vertical ones. Finite element simulation results show that, compared to conventional conical tubes, adding corrugations reduces the optimal semi-apical angle of conical tubes by 5°, with the optimal range being 5–10°. …”
Get full text

Simulation Study on the Effect of Forced Ventilation in Tunnel under Single-Head Drilling and Blasting by Qingsong Pu, Yi Luo, Junhong Huang, Yingwei Zhu, Shaohua Hu, Chenhao Pei, Guang Zhang, Xinping Li

“…Based on the excavation of Yuelongmen tunnel on ChengLan Railway in China, this paper will probe into the forced ventilation effect of harmful gas generated by drilling and blasting construction, simulate the diffusion process of harmful gas generated during blasting operation on the tunnel face by establishing the finite element model of gas turbulent flow and concentration diffusion in the tunnel, and study the spatial-temporal evolution law of CO concentration field under different air pipe layout locations and tunnel excavation methods. …”
Get full text

A Thermo-Hygro-Coupled Model for Chloride Penetration in Concrete Structures by Nattapong Damrongwiriyanupap, Suchart Limkatanyu, Yunping Xi

“…The numerical analysis of coupled transport equations is performed using the finite element method. The model is validated by comparing the numerical results against the available experimental data and a good agreement is observed.…”
Get full text

One-Time Roll-Forming Technology for High-Strength Steel Profiles with “日” Section by Jicai Liang, Chuandong Chen, Ce Liang, Yi Li, Guangyi Chen, Xiaoming Li, Aicheng Wang

“…The profile is cut off and then bent at both ends to form a commercial vehicle anticollision beam. The ABAQUS finite element software is used to model and analyze the factors affecting the “edge buckling” defect of roll-formed products. …”
Get full text

Multifidelity co-kriging metamodeling based on multivariate data fusion for dynamic fit improvement of injection mechanism in squeeze casting by Dongdong You, Zhekai Lin, Fenglei Li, Wenbin Pang

“…The results indicate that the proposed MFCK model significantly improved the prediction accuracy by 34.18 %, 73.53 %, 41.57 % and 37.93 %, respectively, compared with the ordinary kriging model and finite element method. This method was applied to the multicycle injection process of a 2,500-kN squeeze casting machine, revealing the variation law of the fit clearance. …”
Get full text

Analysis on Leakage Inductance and Winding Resistance of High Frequency Toroidal Transformer with Interleaved Winding and Litz Wire by Dody Yunus Putra Siregar, Wijono, Muhammad Aziz Muslim

“…Analysis and verification were conducted using 3D finite element analysis (FEA) simulations. The results demonstrated that interleaved winding significantly reduced leakage inductance by up to 98.9% as frequency increased. …”
Get full text

Dynamic Stiffness Formulation for Free Vibration of Truncated Conical Shell and Its Combinations with Uniform Boundary Restraints by Chunyu Zhang, Guoyong Jin, Zhihao Wang, Xuqin Qian, Linghua Tian

“…The convergence and accuracy of the present formulation are demonstrated by comparing with the finite element method using several numerical examples. …”
Get full text

Research on cutting mechanism and process optimization method of gear skiving by Peng Wang, Yuanchao Ni, Xiaoqiang Wu, Jiaxue Ji, Geng Li, Jiahao Wu

“…To address this issue, this paper first establishes a finite element model of skiving the internal circular arc tooth in pin wheel housing, and the simulation model is simplified to improve computation efficiency. …”
Get full text

Geotechnical Assessment of Foundation Stability for Preserving the Agrippa Monument at the Acropolis of Athens by Vassilis Marinos, Georgios Prountzopoulos, Dimitra Papouli, Dionisia Michalopoulou, Vassiliki Eleftheriou

“…Geotechnical models were developed and 3D finite element analyses were performed. The qualitative evaluation of the foundation under static conditions indicates no immediate risk of failure, as no accelerated movement has been observed and the monument’s tilt remains well below critical values. …”
Get full text

Utilizing slip conditions on transport phenomena of heat energy with dust and tiny nanoparticles over a wedge by Nazir Umar, Khan Umair, Almujibah Hamad, Gündoğdu Hami

“…ODEs are formulated using similarity transformations and slip conditions. The finite element approach is employed. It is estimated that the fluid phase on the heat transfer rate and skin friction coefficient is higher than the dusty phase on the Nusselt number and skin friction coefficient. …”
Get full text

DESIGN OF ANTI-IMPАСТ MICRO-ACCELERATION SENSOR IMITATING SHRIMP CLAW by ZHANG Xu, ZHAO Rui, SHI YunBo, ZU KaiXuan, ZHANG JieYu, YAN XiaoPeng

“…Aiming at the damage of a Iow-range micro-electro-mechanical system(MEMS) acceleration sensor under tens of thousands of <italic>g</italic>_n overload during the measurement of outer ballistic information of conventional weapons and ammunition, a kind of shrimp claw anti-impact micro-acceleration sensor was proposed, which could realize the index requirements of anti-overload 30 000<italic>g</italic>_n and range 50<italic>g</italic>_n. The finite element simulation results show that the displacement of the sensor is 0. 99 μm and the sensitivity is 0.124 pF/<italic>g</italic>_n under 50<italic>g</italic>_n load. …”
Get full text

Numerical Simulation of the Stability of a Cutting Slope and Study on Its Reinforcement Scheme by Song Chen, Zhao Yang, Wenpeng Zhang, Liufang Li, Yibo Zheng, Ying Yuan

“…In this paper, taking the left side slope of ZK100 + 860∼+975 cutting of the Huizhou-Qingyuan section of the Shantou-Zhanjiang Expressway as an example, based on the strength reduction method (SRM), the stability of the slope under different conditions (natural conditions, unsupported excavation conditions, rainstorm conditions, and reinforcement conditions) is analyzed by using finite element software. The results show that the slope was almost stable before excavation, and the safety factor of slope stability decreases due to excavation, so it is in an unstable state. …”
Get full text

Numerical analysis of the elastic-plastic behavior of a tubular structure in FGM under pressure and defect presence by Kouider Madani, A. Houari, A.S. Bouchikhi, M. Mokhtari

“…Our work aims to use the finite element method to analyze a cylindrical structure in FGM with properties gradated in the direction of the radius (Thickness) solicited purely in internal pressure by the implementation of a UMAT subroutine in the calculation code ABAQUS. …”
Get full text

The Study on Cracking Strength of AIJs to Release the Early-Age Stress of Mass Concrete by Xiaogang Zhang, Chengqiang Wang, Shuping Wang, Feng Xing, Ronghua Zhu

“…With respect to the coupling influences of various factors such as size and boundary of AIJs, an analytical model for its cracking strength on the setting section of mass concrete is proposed based on double-parameter fracture theory. A kind of hyper-finite element analysis (FEA) for many array AIJs in simplified plane pate is also presented by using bilinear cohesive force distribution. …”
Get full text

Research of stress distribution in the cross-section of a bimetallic perforated plate perpendicularly loaded with concentrated force by Mateusz Konieczny, Henryk Achtelik, Grzegorz Gasiak

“…The results obtained numerically using the finite element method were compared with the results calculated according to the analytical equations. …”
Get full text