OPTIMIZATION OF THE CONE BIT OF SPHERICAL FLOATING SLEEVE BASED ON RESPONSE SURFACE METHODOLOGY by HE Wei, SHEN PingSheng, LI HuaChuan, CHEN Yang, HE JunChao, HUANG Shuai

“…In order to improve the life of the cone bit sliding bearing,eliminates the edge stress concentration phenomenon of the spherical floating sleeve end portion,the circular groove structure of Spherical floating sleeve was optimized by the combination of response surface methodology and the finite element method. the objective function was established by along the contact line of the middle stress σmand end stress σedifference between the floating sleeve of outer spherical surface and inner surface,σ₁、σ₂ was called objective function,The distance from the center of the circular groove to the floating sleeve surface h and the radius r of the circular groove and the distance from the center of the circular groove to the end face of the floating sleeve t was design variable,so the optimization of mathematical model was established. …”
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Simulation Analysis of Magnetic Characteristic of Double Permanent Magnet Wheel Linear Drive Device by Sun Feng, Ma Di, Zhao Chuan, Ren Huizhi, Xu Fangchao, Li Qiang, Jin Junjie

“…Firstly，the mathematical model of the magnetic force is established according to the structure of the dual permanent magnet wheel magnetic drive device. Secondly，the finite element method is used to simulate the horizontal driving force and the vertical interference force of the driving device，and the simulation result is compared with the single permanent magnet wheel driving device. …”
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Experimental and numerical studies on the vibration serviceability of fanshaped prestressed concrete floor by Liang Cao, Hongtuo Qi, Jiang Li

“…Moreover, the finite element method was used to evaluate the dynamic characteristics. …”
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A Unique Finite Element Modeling of the Periodic Wave Transformation over Sloping and Barred Beaches by Beji and Nadaoka's Extended Boussinesq Equations by Mohammad Hadi Jabbari, Parviz Ghadimi, Mesbah Sayehbani, Arsham Reisinezhad

“…For direct application of linear finite element method in spatial discretization, an auxiliary variable is hereby introduced, and a particular numerical scheme is offered to rewrite the equations in lower-order form. …”
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Crack Group Effect Analysis of the Stress-Release Boot of Solid Rocket Motor Based on Numerical Simulation by Tianpeng Li, Junli Han, Yong He, Yu Guo

“…Based on the viscoelastic finite element method, singular crack elements and singular interfacial crack elements at the tips of crack group were established to calculate J-integral. …”
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The study of the factors affecting phreatic line position and stability in upstream tailings dams by Parsa Alizadeh, Manouchehr Latifi

“…The method involves using numerical simulations with the finite element method (FEM) to analyze the phreatic line, validated with empirical existing data. …”
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Parametric Modeling and Contact Stress Analysis of Asymmetric Modified Helical Gears by Lin Jiaxiang, Zhao Yuancong, Fu Xuezhong, Xu Haijun

“…At the same time, the finite element method is used to analyze the tooth surface contact stress, and it is compared with the tooth surface contact stress of the symmetrical modified helical gear calculated by the traditional formula method. …”
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Design and Analysis of Linear Fault-Tolerant Permanent-Magnet Vernier Machines by Liang Xu, Jinghua Ji, Guohai Liu, Yi Du, Hu Liu

“…The electromagnetic characteristics of the proposed machine are analyzed using the time-stepping finite-element method, which verifies the effectiveness of the theoretical analysis.…”
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Research on the Time-varying Meshing Stiffness Algorithm of Spur Gears Based on an Improved Potential Energy Method by Xu Kejun, Jiao Wei, Qin Haiqin

“…Referring to the calculation results of the finite element method, the causes of errors are analyzed, and the effectiveness of the method proposed is verified.…”
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Strength of multilayered plates with impact damage by V.I. Mitryaykin, O.N. Bezzametnov

“…The critical compressive load and stress of the undamaged plates were obtained by the finite element method. The experimental correction function was deduced to evaluate the effect of the damage area and impact energy on the residual strength. …”
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Anisotropic Scattering Characteristics of a Radially Multilayered Gyrotropic Sphere by Lei Cao, Yongpin Chen, Kai Kang

“…Validations are made by first comparing the radar cross section (RCS) values of a 2-layered gyrotropic sphere with that computed from the full-wave finite element method (FEM) simulation and then reducing the general case to uniaxial case to compare the RCS values with the published results computed by Fourier transform combined with VSWFs method; in both cases good agreements are observed. …”
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Time-Dependent Reliability Analysis of RC Deep Beams considering Linear/Nonlinear Creep and Shrinkage Using ANFIS Network and MCS by Seyed Bahram Beheshti Aval, Mohsen Ghabdian

“…Due to the complicated and time-consuming nature of the finite element method (FEM), adaptive neuro-fuzzy inference system (ANFIS) and Monte Carlo simulation (MCS) replaced these complex analyses. …”
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Collapse Analysis of Transmission Tower Subjected to Earthquake Ground Motion by Xiaohong Long, Wei Wang, Jian Fan

“…Simulation of the process of collapse is difficult using traditional finite element method (FEM), which is generated from continuum and variation principle, whereas the finite particle method (FPM) enforces equilibrium on each point. …”
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Numerical Study on Resistance Change Characteristics of Phase Change Materials by Yifang Su, Yihang Zhang, Kaifeng Lin, Guanjun Zhao, Qinzheng Yu, Zuoqi Hu, Xiongfei Tao

“…To study the characteristics of the phase change materials, a numerical simulation model of the resistive change unit based on the finite element method and the classic nucleation/growth theory is established, while the partial differential equations of electricity and heat conduction and the discrete formula of the finite element are also derived. …”
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Automatic Calculation Method for Effective Length Factor of Bridge Piers Considering Shear Deformation by Shuiping Fang, Chongjun Liu, Chun Zhang

“…Compared with the results of the finite element method (FEM), the proposed algorithm can accurately determine the correct roots of the transcendental equation for various bridge scenarios, and the maximum relative error of the calculated ELF of bridge piers is below 2.5%.…”
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STUDY ON MECHANICAL PROPERTIES OF POROUS STRUCTURES BASED ON TPMS by WANG MaoHua, DUAN MingDe, YANG ZiWei, ZHANG ZhuangYa, WANG Pei, HAN ZongZheng

“…TPMS porous scaffolds with different structural characteristics were constructed by defining the distance function, And AlSi10 Mg porous scaffolds were prepared by SLM. Finite element Method（FEM） analysis and mechanical test method were used to study the influence of different pore structure characteristics on mechanical performance of porous TPMS scaffolds and analyze the influence law of different distance function k values on porosity, elastic modulus, yield strength and failure of Primitive（P） and F-RD porous structure scaffolds. …”
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ANALYSIS OF THE CONSTRAINT EFFECT AND CREEP CRACK INITIATION TIME FOR STRUCTURE WITH ЕMBEDDED CRACKS by LI YuPeng, LI WenPeng, LI DingHe, WU DongQuan, WANG YuFeng, ZHENG YuXiang

“…The constraint effect and creep crack initiation time were analysed using the ductility exhaustion approach by 3D finite element method. The results revealed that the max value of constraint parameter was located at the end of major axis of elliptical crack, and the constraint levels enlarge with increasing the crack length or the crack depth, which meant that embedded cracks with a larger <italic>a</italic>/<italic>t</italic> or <italic>a</italic>/<italic>c</italic> would suffer from worse condition of stress concentration and there would be more dangerous. …”
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Analysis of linear eddy current brakes for maglev train using an equivalent circuit method by Jun Liu, Wei Li, Lijun Jin, Guobin Lin, Yan Sun, Zhiwei Zhang

“…The accuracy and efficiency of the proposed ECM are verified by comparing the results with the one obtained from the finite element method. By adopting the developed ECM, the influence of parameters, such as speed, the exciting current and air gap of the linear ECBS, are analysed. …”
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Electromagnetically Driven Robot for Multipurpose Applications by Abdulrahman Alrumayh, Khaled Alhassoon, Fahd Alsaleem, Mahmoud Shaban, Fahad Nasser Alsunaydih

“…The integration of this mechanism into multi-segmented robots opens up new possibilities in fields such as medical devices, search and rescue operations, and industrial inspection. Finite element method (FEM) simulations validate the efficiency of the proposed approach, demonstrating the precise control of the robot’s motion trajectory and enhancing its operational reliability in complex scenarios.…”
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Sound Radiation Analysis of a Front Side Window Glass of DrivAer Model under Wind Excitation by Yinzhi He, Zihao Shi, Yu Wu, Zhigang Yang

“…Firstly, the constraint boundary condition of the side glass was set equivalent to a series of springs for the modelling with Finite Element Method (FEM). Then, a platform based on Matlab-Abaqus cosimulation was originally developed, and the genetic algorithm was applied to find out the best fitted spring stiffness, which was used to build the equivalent model. …”
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