Effect of Surface Hardening on Dynamic Frictional Rolling Contact Behavior and Degradation of Corrugated Rail by Yuan Gao, Jingmang Xu, Ping Wang, Yibin Liu

“…Characteristic parameters such as length and depth of corrugation were analyzed by means of a continuous measurement method based on the corrugation analysis trolley. The explicit finite element method for material hardening characteristics and real contact geometry was adopted to set up the 3D transient FE model of wheel and rail, after which the value and distribution of stress/strain as well as contact solutions could be obtained during frictional contact, and then the Archard wear model and simplified wear superposition method are integrated as a numerical simulation tool for rail wear after hardening. …”
Get full text

Mechanical Behavior and Calculation Method for RC Fifteen-Pile Cap of Mixed Passenger and Freight Railway Bridge by Hongmeng Huang, Lu Cui, Wei Lu

“…Based on the fifteen-pile thick cap of mixed passenger and freight railway, the influencing factors on cap bearing capacity were analyzed using finite element method (FEM). The variations of load-bearing capacity and mechanical behavior of thick cap were characterized by introducing rigid angle α. …”
Get full text

Structural Design of Partitioned Stator Doubly Salient Permanent Magnet Generator for Power Output Improvement by Warat Sriwannarat, Apirat Siritaratiwat, Pirat Khunkitti

“…Electrical characteristics including the magnetic flux linkage distribution, phase EMF, cogging torque, voltage regulation, and power output profile were characterized by using the finite element method. After optimizing the generator pole structure including the angle of air gap arc width, it was found that the proposed PS-DSPG with 18/15 (stator/rotor) pole structure with optimized air gap arc width could produce higher EMF of about 23.24% than a conventional structure because this structure has the suitable number of pole structures. …”
Get full text

Fatigue Damage Evaluation of Pile-Supported Bridges under Stochastic Ice Loads by Tianyu Wu, Wenliang Qiu, Guangrun Wu

“…Fatigue damage analysis is carried out in time domain utilizing the finite element method considering soil and bridge structure interaction. …”
Get full text

A Coupling Dynamics Analysis Method for Two-Stage Spur Gear under Multisource Time-Varying Excitation by Zizhen Qiao, Jianxing Zhou, Wenlei Sun, Xiangfeng Zhang

“…A new modeling method is proposed to simulate the dynamic response of a two-stage gear transmission system using the finite element method (FEM). The continuous system is divided into four modules: shaft-shaft element, shaft-gear element, shaft-bearing element, and gear-gear element. …”
Get full text

Biomechanical Stress and Strain Analysis of Mandibular Human Region from Computed Tomography to Custom Implant Development by Rafael Ferreira Gregolin, Cecília Amelia de Carvalho Zavaglia, Ruís Camargo Tokimatsu, João A. Pereira

“…The evaluation of efforts in the TMJ region due to the forces of mastication was made using the finite element method and the results were corroborated by comparison with mandibular models studied in similar works.…”
Get full text

Modeling, Assessment, and Design of Porous Cells Based on Schwartz Primitive Surface for Bone Scaffolds by Rita Ambu, Anna Eva Morabito

“…A numerical structural evaluation, by means of finite element method (FEM), was performed in order to assess the stiffness of solid P-cells as a function of the changes of the analytical parameters of outer surface and the thickness of cell. …”
Get full text

Rapid Fluid Velocity Field Prediction in Microfluidic Mixers via Nine Grid Network Model by Qian Li, Yuwei Chen, Taotao Sun, Junchao Wang

“…Traditionally, the simulation of these mixers relies on the finite element method (FEM), which, although effective, presents challenges due to its computational complexity and time-consuming nature. …”
Get full text

EVALUATION OF STRAIN-STRESS STATE OF THE RAILS IN THE PRODUCTION by V. V. Muravev, K. A. Tapkov

“…Estimation of residual stresses values allows to get information about technical condition of the rail and also allow to avoid abnormal situations So, the aim of the research is creating the model of stress-strain state of the rail, which was hardened in its top and bottom, and to compare modeling results with experimental measurements of stresses and discrepancy of the housing.For creating the model and making evaluations by finite element method we used a program COMSOL. Forces on the top and bottom of the rail cause tension stresses, forces on the web of the rail cause tensile stresses. …”
Get full text

The Crack Propagation Trend Analysis in Ceramic Rolling Element Bearing considering Initial Crack Angle and Contact Load Effect by Zhe Yuan, Bohan Wang, Chao Liu, Zhan Wang, Xiaochen Zhang, Yu Zhang

“…In this paper, the effect of initial crack angle and contact load on crack growth is analysed by the finite element method (FEM). A three-dimensional finite element model of a silicon nitride bearing ball containing an initial crack is created by the FEM. …”
Get full text

Influence of compliance of intramodular joints on the natural vibrations frequency of a modular building by V. S. Shirokov

“…According to the obtained results, the discrepancy in the frequency values calculated by the finite element method and analytically for a one-story building with different ratios of the rotational stiffness of the joints does not exceed 1.5 %. …”
Get full text

Analysis of Naturally Occurring Radioactive Material (NORM) in shifting earth layers in Piyungan, Bantul by Iqbal Nurrahim, Andang Widi Harto, Yohannes Sardjono, Isman Mulyadi Triatmoko, Zuhdi Ismail, Gede Sutresna Wijaya

“…We developed a radon well geometry for Piyungan using Finite Element Method principles, and conducted simulations via GNU Octave to assess normal and anomalous conditions. …”
Get full text

A geometrical optimisation of a coplanar micro-electrode structure for microfluidic flow cytometry by Van Phu Nguyen, Van-Anh Bui, Thu Hang Nguyen, Van Thanh Pham, Thi Thanh Thuy Dang, Quang Loc Do

“…To further investigate the electric field and optimise the electrode design for single-cell detection, a numerical 3D model based on the finite element method (FEM) was developed and implemented. …”
Get full text

Advances in Surface Plasmon Resonance-Based Biosensor Technologies for Cancer Cell Detection by Bhishma Karki, Arun Uniyal, Amrindra Pal, Vivek Srivastava

“…It may become a fast method of detecting cancerous cells and the several variants of corona and other viruses that become pandemic. Using the finite element method-based simulation technique, the sensitivity obtained as 195.4 degree/RIU, 167.6 degree/RIU, 212.4 degree/RIU, 168.4 degree/RIU, 212.4 degree/RIU, 186.6 degree/RIU, 218.6 degree/RIU, 195.4 degree/RIU, 203.6 degree/RIU, 202.6 degree/RIU 203.6 degree/RIU, and 202.6 for basal (skin cancer), basal (normal cell), HeLa (cervical cancer), MCF-7 (breast cancer), HeLa (normal cell), Jurkat (blood cancer), Jurkat (normal cell), PCI-2 (adrenal gland cancer), PCI-2 (normal cell), MDA-MB-231 (breast cancer), MDA-MB-231 (normal cell), MCF-7 (breast cancer), and MCF-7 (normal cell), respectively, and other performance parameters such as detection accuracy, figure of merit, and full width and half maximum (FWHM) are also evaluated.…”
Get full text

Modelling Cell Origami via a Tensegrity Model of the Cytoskeleton in Adherent Cells by Lili Wang, Weiyi Chen

“…Cell origami has been widely used in the field of three-dimensional (3D) cell-populated microstructures due to their multiple advantages, including high biocompatibility, the lack of special requirements for substrate materials, and the lack of damage to cells. A 3D finite element method (FEM) model of an adherent cell based on the tensegrity structure is constructed to describe cell origami by using the principle of the origami folding technique and cell traction forces. …”
Get full text

Crack Risk Evaluation of Submerged Concrete Tunnel during Hardening Phase by G. M. Ji, T. Kanstad, Ø. Bjøntegaard

“…First, the well-documented material models are verified by calibration of restraint stress development in the TSTM test by using the finite element method (FEM), and then the 3D thermal-structural analysis is performed to assess the cracking risk for the submerged tunnel during the hardening phase. …”
Get full text

Crashworthiness and Deformation Pattern Analysis of Single and Double Wall with Addition Infill Structure by Redyarsa Dharma Bintara, Moch. Agus Choiron, Yahya Zakariya, M. Hasbi Ash Shiddieqy, Fajar Adi Pratama

“…Furthermore, a simulation test was carried out using software based on the finite element method with an explicit dynamic analysis type. …”
Get full text

Experimental and Thermal Investigation on Powder Mixed EDM Using FEM and Artificial Neural Networks by Venkata N. Raju Jampana, P. S. V. Ramana Rao, A. Sampathkumar

“…Peak current, pulse period, and source voltage are selected as the independent input parameters to evaluate the process performance in terms of material removal rate (MRR) and surface roughness (Ra). In addition, finite element method (FEM) is utilized for thermal analysis on EDM of stainless-steel 630 (SS630) grade. …”
Get full text

Full Vehicle Vibration and Noise Analysis Based on Substructure Power Flow by Zhien Liu, Shuai Yuan, Shenghao Xiao, Songze Du, Yan Zhang, Chihua Lu

“…After being compared with the result of conventional FEM (finite element method), the new method is confirmed to be feasible. …”
Get full text

A New Fractal-Based Miniaturized Dual Band Patch Antenna for RF Energy Harvesting by Sika Shrestha, Seong Ro Lee, Dong-You Choi

“…In addition to miniaturization and dual band nature, the proposed antenna also removes unwanted harmonics without the use of additional filter component. Using a finite-element-method-based high frequency structure simulator (HFSS), the antenna is designed and its performance in terms of return loss, impedance matching, radiation pattern, and voltage standing wave ratio (VSWR) is demonstrated. …”
Get full text