A Method of Reducing Motor Vibration: Natural Frequency, Damping Ratio, and Vibration Analysis of CFRP Motor Frame by Jinguang Zhang, Hairu Yang, Xiong Li, Wei Ye

“…The damp ratio of the CFRP motor frame is calculated by the damp prediction model based on strain energy, which is verified by the combination of the finite element method and experiment. The vibration characteristics of the CFRP frame motor are studied experimentally and compared with that of the metal frame motor. …”
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High-Velocity Impact Behaviour of Prestressed Composite Plates under Bird Strike Loading by Sebastian Heimbs, Tim Bergmann

“…The modelling methodology for the composite material, delamination interfaces, impact projectile, and preload using the commercial finite element code Abaqus are presented in detail. Finally, the influence of prestress and of different delamination modelling approaches on the impact response is discussed and a comparison to experimental test data is given. …”
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A Mesoscale Approach for Concrete Block Masonry by Xu Yang, Mingming Jia, Bin Chi, Mingzhi Wang, Jianfeng Zheng

“…However, it is still difficult to analyze the mesomodel efficiently due to a large number of operating processes caused by the components’ nonlinear mechanical properties. An efficient finite-element-method-based mesoscale approach for concrete block masonry was introduced in this paper. …”
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Numerical analysis of isolated end-flattened steel bars under compression in space trusses by Henrique de Araujo Rosa Cruz, Luciano Mendes Bezerra, Welington Vital da Silva, Ramon Silva

“…The association of numerical analyses using the finite element method (FEM) with previously collected experimental data is performed, and their respective results are the core object of critical analysis in this work. …”
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Miniaturized Wideband Aperture Coupled Microstrip Patch Antenna by Using Inverted U-Slot by Amandeep Singh, Surinder Singh

“…The theoretical analysis is based on the finite element method (FEM). This design has wide bandwidth, good return loss, VSWR, and radiation characteristics by implanting the inverted U-shaped stepped slots on a single aperture coupled patch. …”
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Optimization of Technological Parameter of Hot Rolling Bevel Gear Wheel based on Intermediate Frequency Induction Heating by Liu Saisai, Deng Xiaozhong, Gao Zhenshan, Fu Yunlong, Hu Chenhui

“…Based on the finite element software Deform-3D, the electromagnetic-thermal coupling numerical model of induction heating of spiral bevel gear small wheel is established. …”
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ANALYSIS AND PARAMETERS OPTIMIZATION OF TOOTH PLATE OF IRON ROUGHNECK CLAMPING PLIERS by PEI JunFeng, SONG ChuanZhi, LIU ZhiGang, CHEN Jie, SHEN Hui, MIAO HongJian

“…Based on the ANSYS Workbench finite element software, the ultimate static working state of the dental plate of clamping pliers when drilling the drill string is analyzed elastoadically. …”
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Study on the Meshing Stiffness of Spur Gear Considering Contact Characteristic of Tooth Surface by Chen Ruibo, Zhang Jianjie, Zhou Jianxing, Sun Wenlei

“…The periodic change of gear pair meshing stiffness is the main internal motivation of gear system vibration,taking the external meshing model of the straight tooth cylindrical gear pair as study object,considering the influence of tooth contact characteristic on the gear stiffness,the contact analysis of finite element model of the gear pair is established,the gear meshing stiffness is calculated,the change situation of gear meshing stiffness is discussed with gear in the case of the axial load and under different load cases. …”
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Evaluating the safety and the effect of blast loading on the shotcrete together with lattice girder support of tunnels by Hamidreza Karimi Tabar, Farnoosh Basaligheh, Majid Nikkhah

“…For this purpose, LS-DYNA finite element software was used to assess the dynamic response of the structure to the vibration of the blasting-induced explosion. …”
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Usporedba analitičkog i numeričkog proračuna vitkih ploča za međudjelovanja sila u ravnini i okomito na ravninu modela by Lidija Gros, Dragan Ribarić

“…Numerički postupak koristi metodu konačnih elemenata i slobodni software FEAP (Finite Element Analysis Program, Univesity of California at Berkeley), u koji je nadograđen vlastiti kod i koji numeričkom iteracijom omogućava rješavanje različitih ravninskih primjera stabilnosti ploča prikazanih o ovom radu.…”
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DYNAMIC CHARACTERISTIC RESEARCH ON THE MINE SCRAPER CONVEYOR UNDER FAILURE LOAD by MAO Jun, XIE ChunXue, SUN JiuMeng, AN HuiDong, XIE Miao, WANG Tao

“…Discrete the chain transmission system and establish the system dynamics model of the chain based on Kelvin-Vogit model through the finite element method. Determine the stiffness coefficient of the scraper chain combined with the theoretical calculation and actual measurement data. …”
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An Analytical Solution to the Electromagnetic Performance of an Ultra-High-Speed PM Motor by Wenjie Cheng, Zhikai Deng, Ling Xiao, Bin Zhong, Yanhua Sun

“…A locked-rotor simulation by the finite element (FE) method verifies the analytical solution. …”
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Temperature Field Analysis of Laser Hardening of 18CrNi8 Gear based on ANSYS by Hui Yinglong, Wang Yuling, Yao Cuicui

“…An ANSYS finite element analysis of temperature field is carried out aiming at laser quenching process of a large modulus gear used in the overloading car,which involve the establishment of 3D model,load method,command flow of moving heat source,longitudinal section temperature distribution,determination of the hardening layer depth.According to ANSYS Post-processing methods,the case of heat flow in the processing,the temperature variation of typical nodes along the scanning line of the heat source and the depth direction as well as the cause and the solution of the widely different temperature between the surface before and after the laser speckle（which is caused momentarily "heat flux accumulation effect"）are analyzed.The analysis results show that laser quenching on the gear tooth surface can achieve good effect,which is validated by the experiment.…”
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Rigid-flexible Coupling Dynamics Analysis of Hydraulic Excavator by Xie Qin, Wu Yunxin

“…In order to solve the problem of hydraulic excavator mechanical arm stress dynamic calculation,combining the virtual prototyping technology,finite element analysis techniques and dynamics theory,the modal reduction technique is used to establish flexible model of excavator boom and bucket rod. …”
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Optimization Design and Simulation Analysis of Cycloid Pin Gear Planetary Reducer by Liang Kaixiang, Wang Zhongsu, Tian Shitao, Wu Qingwen, Xu Zhenbang

“…On this basis,the optimization of reducer key structure parameter is carried out,and the simulation analysis is carried out by using the finite element method. The results show that the reducer meets the design requirements,the optimization is valid and valuable on engineering application.…”
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Study on the Failure of the Bolted Flange Connection Structure between Stages of Missiles (Rockets) under Transverse Impact Load by Tonghui Tian, Jiehong Yuan, Daokui Li, Qingwen Wang, Baisheng Chen

“…The sequential failure mechanism of the structure under transverse impact load is analyzed and demonstrated according to the experimental results and the measured data. Additionally, a finite element model to simulate the failure process of the connection structure has been established, and the precision of the model has been verified and validated according to the experimental results. …”
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Numerical study of transitions in lid-driven flows in shallow cavities by Pan, Tsorng-Whay, Chiu, Shang-Huan, Guo, Aixia, He, Jiwen

“…The numerical solution of the Navier–Stokes equations modeling incompressible viscous fluid flow in a cavity is obtained via a methodology combining a first order accurate operator-splitting scheme, a $L^2$-projection Stokes solver, a wave-like equation treatment of the advection and finite element space approximations. Numerical results of a lid-driven flow in a cubic cavity show a good agreement with those reported in literature. …”
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Impact of Thin-Walled Projectiles with Concrete Targets by Rayment E. Moxley, Mark D. Adley, Bob Rohani

“…A computational simulation of a test was conducted with an impact/penetration model created by linking a rigid-body penetration trajectory code with a general-purpose finite element code. Scientific visualization of the resulting data revealed that circumferential buckling was induced by the impact conditions considered.…”
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COMPARISON STUDY ON BEARING CAPACITY OF CIRCULAR AND DIAMOND HOLE LAMINATES UNDER SHEAR LOAD by GAO Wei, YAO XiongHua, ZHANG WenJun

“…The results show: under the premise of the same laminate weight, the same hole accessibility and the same stacking angle information, the load-carrying capacity of the laminate with diamond hole is greater than that of the laminate with circular hole; based on the nonlinear continuum damage mechanics（CDM）, the fiber damage is predicted by using the maximum strain failure criterion, and the matrix damage is predicted by using the three-dimensional nonlinear puck failure criterion A three-dimensional finite element model of laminate is established and numerical simulation is carried out. …”
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Dynamics Analysis of Gears with Constant Relative Curvature Considering Time-varying Effect by Liu Lei, Ni Jiale, Jiang Wuhong

“…The Range-Kutta method is utilized to solve the dynamics equations numerically; the model is verified to be correct by comparing with the finite element simulation results. The results show that the dynamic transmission error and the average mechanical efficiency of the two gears are close to each other; the sliding friction force and sliding friction coefficient of the CRC gear are smaller. …”
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