Showing 2,001 - 2,020 results of 4,161 for search '"Finite elements"', query time: 0.07s Refine Results
  1. 2001

    Load Contact Analysis and Strength Calculation of Spur Gear by Wang Yunzhi

    Published 2016-01-01
    “…On the basis of the stress effect matrix of the finite element method,the bending stress states at the tooth root are analyzed. …”
    Get full text
    Article
  2. 2002

    A Class of Spectral Element Methods and Its A Priori/A Posteriori Error Estimates for 2nd-Order Elliptic Eigenvalue Problems by Jiayu Han, Yidu Yang

    Published 2013-01-01
    “…The special work of this paper is as follows. (1) We prove a priori and a posteriori error estimates for spectral and spectral element methods. (2) We compare between spectral methods, spectral element methods, finite element methods and their derived p-version, h-version, and hp-version methods from accuracy, degree of freedom, and stability and verify that spectral methods and spectral element methods are highly efficient computational methods.…”
    Get full text
    Article
  3. 2003

    Research of the Design Method of Heavy Duty Disc Brake based on Time-varying Uncertainty Theory by Xu Haizhi

    Published 2015-01-01
    “…In order to solve the problems of traditional appearance of the disc brake,such as design conservative and poor timeliness,the disc brakes reliability calculation model based on variable uncertainty is established,and the brake temperature and braking distance of disc brakes are regarded as the restrictions of braking performance,finally the disc brakes design method based on varying uncertainty theory is got.The simulation results show that by redesigning calculated of disc brakes,the braking distance reliability and brake temperature reliability meet the reliability requirements;by redesigning the disc brakes on the finite element analysis,the redesigned model strength and temperature distribution meet the requirements.…”
    Get full text
    Article
  4. 2004

    Degradation analysis of dynamic properties for plain concrete structures under mixed-mode fracture conditions via an improved cohesive crack approach by Umberto De Maio, Daniele Gaetano, Fabrizio Greco, Raimondo Luciano, Andrea Pranno

    Published 2024-04-01
    “…Specifically, a discrete fracture model, based on an inter-element cohesive approach, has been improved and implemented into a 2D finite element framework to evaluate the progressive variation of the static and dynamic properties as the damage level increases. …”
    Get full text
    Article
  5. 2005

    STRUCTURAL TOPOLOGY REANALYSIS FOR TWICE CONTINUOUS MODIFICATIONS BASED ON COUPLED CONDENSATION by HE JianJun, CHEN XiangZi

    Published 2016-01-01
    “…Comparing with the direct finite element analysis( FEA),the high computational effort for FEA is greatly decreased by utilizing the proposed reanalysis procedures,which is also easy to operate and implement. …”
    Get full text
    Article
  6. 2006

    Research of Axial Crowning Modification of Involute Cylindrical Gear by Xiang Ya

    Published 2018-01-01
    “…Gear pair models with different crowning values are established,and the longitudinal load distribution is calculated by 3 D contact finite element method. According to the theoretical crowning value determined by this method,the minimize value of longitudinal load distribution factor can be achieved.…”
    Get full text
    Article
  7. 2007

    Influence of Reinforcement Length on Singularity of Single-Lap Joints by Yuqi Wang, Yanhui Li, Kaixuan Zhou

    Published 2018-01-01
    “…Stresses along the interface close to the singularity points were calculated with finite element analyses (FEAs). Results showed that the singular stress intensity factor of single-lap joints can be decreased by the reinforcement. …”
    Get full text
    Article
  8. 2008

    Design and Analysis of Asymmetric Involute Gear by Li Jianguo, Zhang Haiwei, Chen Zhenguo

    Published 2015-01-01
    “…The asymmetric involute gear tooth is designed,a collaborative coordinate of rack cutter,gear blanks and frame is built,the end face of rack cutter is designed,the tooth profile equation is determined,the tooth profile is simulated.The stress of single contact point to active small gear is analyzed,four force pressure angle combination are calculated using the formula method on 20° /20°,25° /20°,30° /20° and 35° /20°,the result is verified by using the finite element method,the comparative analysis results show that work with large pressure angle tooth surface can effectively improve the contact strength and bending strength of the gear.…”
    Get full text
    Article
  9. 2009

    Influence of the Transducer-Mounting Method on the Radiation Performance of Acoustic Sources Used in Monopole Acoustic Logging While Drilling by Jiale Wang, Xiaohua Che, Wenxiao Qiao, Shengyue Tao, Qiqi Zhao

    Published 2025-01-01
    “…The calculation results were compared with those obtained using finite-element transient analysis to verify the accuracy of the calculation method. …”
    Get full text
    Article
  10. 2010

    Comparative analysis of sloshing effects on elevated water tanks’ dynamic response using ANN and MARS by Tahera, Neethu Urs, K. Shashi Raj, Rakesh Kumar, Harish Soundalgekar, T. Deepa, Mohd Asif Shah

    Published 2025-01-01
    “…In order to precisely capture the fluid–structure interaction, this work uses a 3D finite element model based on the Coupled Eulerian–Lagrangian (CEL) approach to investigate the dynamic response of raised water tanks under seismic excitation. …”
    Get full text
    Article
  11. 2011

    Simulation and experiment of leakage and diffusion of natural gas pipelines with different burial depths under different pressures by Chengbin Zhang, Yaoqiang Hu, Zhao Dong, Zhaofeng Yang, Dongrui Yi

    Published 2024-12-01
    “…The accuracy of the finite element calculation results and the reliability of the test are verified.…”
    Get full text
    Article
  12. 2012

    Dynamics Analysis and Optimization of Automotive Transmission by Zhang Jiping, Meng Fanlong, Ma Weijin, Wang Zhijian

    Published 2017-01-01
    “…According to the problem that a certain type of automotive transmission case in the sale is easy to crack,the finite element modal analysis and operational modal tests of automotive transmission are carried out and the modal parameters of transmission are obtained. …”
    Get full text
    Article
  13. 2013

    Simulation Analysis of the Dynamic Performance of Multi Tooth Meshing of Filtering Reducer based on ANSYS- LS / DYNA by Lei Xiaochun, Yang Rongsong, Zhu Bingfeng, Liu Qiang, Chen Zhiliang

    Published 2015-01-01
    “…The filtering reducer structure principle and multi tooth elastic meshing effect are introduced,with the help of explicit dynamics software ANSYS / LS- DYNA,the three- dimensional nonlinear finite element contact analysis model is established,the dynamic meshing simulation of gear transmission mechanism under a certain speed and different load torque is carried out,the tooth surface contact stress,tooth root bending stress distribution and the rules of contact force changes under the condition of multi tooth contact with time are obtained,a theoretical basis for further filter reducer gear strength analysis and fatigue life calculation is provided by this method.…”
    Get full text
    Article
  14. 2014

    Cylindrical Shell with Junctions: Uncertainty Quantification of Free Vibration and Frequency Response Analysis by Harri Hakula, Vesa Kaarnioja, Mikael Laaksonen

    Published 2018-01-01
    “…In this paper, we solve the multiparametric free vibration of complex shell configurations under uncertainty using stochastic collocation with the p-version of finite element method and apply the collocation approach to frequency response analysis. …”
    Get full text
    Article
  15. 2015

    SIMULATIONAL AND EXPERIMENTAL STUDY ON THE CRITICAL FACTORS OF HIGH-SPEED BRAKING SQUEAL by ZHANG ErYin, WANG ShuWen, SUN YueDong, WEI Jian, CHEN Kang

    Published 2018-01-01
    “…Complex eigenvalue analysis using ABAQUS has been carried out,based on a simplified finite element model of high-speed disc brake system.The critical factors generating brake squeal have been computationally studied and verified by experiments.Simulation results show that,brake squeal more likely to occur under the conditions of low-speed,high pressure,negative μ-υ slope,and high coefficient of friction.The effects of sliding speed and normal contact pressure on the generation of brake squeal have been verified.This study will provide effective guidance in the prevention and control of brake squeal.…”
    Get full text
    Article
  16. 2016

    基于响应面法的剪力板阻尼器设计优化 by 马俊峰, 唐立平, 迟圣威, 张韬, 钱王欢

    Published 2021-01-01
    “…To improve stability and deformability of shear panel dampers( SPD) in the large plastic strain range,issues the optimization of an SPD which was attempted to use the response surface method and verified by tests.SPD with different widths and thicknesses were primarily analyzed by the finite element method( FEM),and the strain concentration factor was selected as the optimization target.Optimal parameters were obtained for the SPD when the iterative calculation is converged.According to the experimental results,the optimized damper based on the response surface method exhibits simultaneously a good stability and perfect deformability.This paper provides an effective method for the optimal design of the structure in the large plastic deformation range.…”
    Get full text
    Article
  17. 2017

    A Temperature Field Based Routing Algorithm in Content-Centric Networking by Zonghai Liu, Peng Wang, Xiaohui Zhang, Feicai Jin

    Published 2015-12-01
    “…This scheme introduced the conception of temperature fields in physics into CCN and applied a finite element method(FEM), which is one of numerical analysis techniques, to assign a temperature value to each node of CCN in a distributed way. …”
    Get full text
    Article
  18. 2018

    Precise Modeling and Simulation Analysis of the Straight Bevel Gear Train by Xiao Hua, Xie Moyan, Chen Guansheng

    Published 2015-01-01
    “…Based on this model,its dynamics simulation and finite element analysis are carried out in ADAMS,Hyper Mesh and ABAQUS separately. …”
    Get full text
    Article
  19. 2019

    Analysis of Dynamics Characteristic of Ring Chain Under Transmission Fault Loading by Song Ruihan, Xue He, Cui Yinghao, Wang Ting, Li Kai

    Published 2019-01-01
    “…Aiming at the transient impact of the abrupt load on the ring chain under the fault of the scraper conveyor chain jammed,taking the Φ18 mm×64 mm C class mining ring chain as the research object,by using the ANSYS/LS-DYNA finite element software,the nonlinear chain contact dynamics analysis under the condition of the chain jammed is performed,the change law of the acceleration,velocity,energy and contact force of the ring chain and the main position of the ring chain damage are obtained. …”
    Get full text
    Article
  20. 2020

    Topological Optimization Design and Analysis of Ultra-short Harmonic Flexspline by Yan Li, Qiuping Liu, Yang Wang, Qianqian Liu

    Published 2020-01-01
    “…The secondary design is carried out by using the SolidWorks, and through the finite element analysis, the rationality of results before and after optimization are verified. …”
    Get full text
    Article