Results 51 to 60 of about 17,490 (206)

Calculation and Analysis of Meshing Stiffness of Helical Gear Considering Installation Error

Jixie chuandong, 2017
The analysis calculation of meshing stiffness of helical gear is the basis for the study of gear dynamics. According to the gear meshing principle and coordinate transformation theory the finite element model of helical gear meshing with the installation
Liu Baoshan, Du Qungui, Wen Qi
doaj  

Study on Influence of Spalling Fault Evolution on Meshing Stiffness of Spur Gear

Jixie chuandong, 2021
As a key transmission mechanism in mechanical equipment，in the meshing transmission process of involute spur gears，under the influence of extreme working conditions，the tooth surface is easy to cause spalling defects，change the meshing rigidity of gear ...
Peng Dai, Jianping Wang, Shuping Yan, Shengzhou Huang, Jun Liu, Fengtao Wang   +5 more
doaj  

齿轮时变啮合刚度改进计算方法

Jixie chuandong, 2010
The time-varying meshing stiffness of gear is the most important parameter in the dynamic equation of the gear systems,but now the most usually way of obtaining the parameter is the finite element methods and it’s very low efficiency.The Ishikawa formula
李亚鹏, 孙伟, 魏静, 陈涛
doaj  

Correlating low energy impact damage with changes in modal parameters: diagnosis tools and FE validation [PDF]

, 2011
This paper presents a basic experimental technique and simplified FE based models for the detection, localization and quantification of impact damage in composite beams around the BVID level.
Abrate S., Amir Shahdin, Bathe KL, Bendsoe MP, Bendsoe MP, Carden EP, Cook RD, Hanno Niemann, Joseph Morlier, Khoo LM, MSC Software corporation., Remouchamps A., Schwarz BJ, Shahdin A., Sohn H., Yves Gourinat, Zienkiewicz OC   +16 more
core   +3 more sources

Time-varying mesh stiffness of gears under interfacial characteristic effects

Advances in Engineering Research Possibilities and Challenges
To investigate the variation characteristics of gear time-varying mesh stiffness under asperity-dominated contact, utilizing the geometric relationship formula for double-tooth engagement and surface topography, the fractal theory was employed to describe the gear profile.
Hao Wu, Hanjun Jiang, Delong Shao
openaire   +1 more source

Nonlinear Frequency Response Analysis of Herringbone Gear Pair based on Incremental Harmonic Balance Method

Jixie chuandong, 2021
The torsional dynamics model of herringbone gear pair considering time-varying meshing stiffness， constant backlash， dynamic backlash， static transmission error and external dynamic excitation is established. The frequency response characteristics of the
Libang Wang, Hao Dong
doaj  

Solving Method for the Tooth Mesh Stiffness based on Transmission3D

Jixie chuandong, 2021
A method is proposed to calculate the tooth meshing stiffness based on Transmission3D （T3D）. FE/CM model is built to ensure the solving accuracy and efficiency.
Weixia Li, Tao Zhang
doaj  

A simulation method for fatigue-driven delamination in layered structures involving non-negligible fracture process zones and arbitrarily shaped crack fronts

, 2019
Most of the existing methods for fatigue-driven delamination are limited to two-dimensional (2D) applications or their predictive capabilities have not been validated in three-dimensional (3D) problems.
Bak, Brian L. V., Carreras, Laura, de la Escalera, Federico M., Essa, Yasser, Lindgaard, Esben, Renart, Jordi, Turon, Albert   +6 more
core   +1 more source

Research of Internal Excitation of Helical Gear Meshing Transmission

Jixie chuandong, 2018
The internal excitation of gear meshing transmission is the key factor that causes gear vibration and noise. Taking a pair of constant meshing helical gears in an 8-speed automatic transmission as the research object,the internal excitation of meshing ...
Yue Huijun, Song Yuanyuan, Liu Yang, Xu Xiangyang   +3 more
doaj  

Research on the Time-varying Meshing Stiffness Algorithm of Spur Gears with Large Tooth Number Cracks

Jixie chuandong, 2023
For spur gears with more than 41 teeth, based on the geometry of cutting teeth and the principle of gear meshing, the difference between the starting point of the involute profile and the intersection of the involute and the base circle is clarified, and
Jiao Wei, Xu Kejun, Qin Haiqin
doaj