Results 231 to 240 of about 1,042,523 (306)

Load analysis with varying mesh stiffness

Computers & Structures, 1999
Abstract The design of proper modification of tooth flanks or mismatch of a pair of gears relies on an accurate computation of the loading and stressing distribution over the gearing surfaces at any phase of mesh. The existing methods, however, are either too simplified or too computationally expensive.
Zhang, J. J., Esat, I. I., Shi, Y. H.
openaire   +2 more sources

A physically based approach to the accurate simulation of stiff fibers and stiff fiber meshes

Computers & Graphics, 2015
We devise a physically based approach to the accurate simulation of stiff fibers like human hair, wool, or yarn. For that we describe fibers as three-dimensional coupled oscillator networks. The application of special analytical mapping expressions allows us to mimic the existence of Young's and shear modulus in the oscillator network so that real ...
Dominik Ludewig Michels, J. Paul T. Mueller, Gerrit Alexander Sobottka   +2 more
openaire   +1 more source

On the Stiffness of the Mesh and Urethral Mobility: A Finite Element Analysis

Journal of Biomechanical Engineering, 2017
Midurethral slings are used to correct urethral hypermobility in female stress urinary incontinence (SUI), defined as the complaint of involuntary urine leakage when the intra-abdominal pressure (IAP) is increased. Structural and thermal features influence their mechanical properties, which may explain postoperative complications, e.g., erosion and ...
Sofia, Brandão, Marco, Parente, Thuane Huyer, Da Roza, Elisabete, Silva, Isabel Maria, Ramos, Teresa, Mascarenhas, Renato Manuel, Natal Jorge   +6 more
openaire   +2 more sources

Research on the variation of mesh stiffness and transmission error for spur gear with tooth profile modification and wear fault

, 2021
Tooth profile modification and wear are unavoidable, even intentional tooth profile deviations. Both of them have a significant influence on gear mesh stiffness and quasi-static transmission error (QSTE).
Zhiying Chen, Pengfei Ji
semanticscholar   +1 more source

Dynamic Analysis of a Multi-Mesh Gear System With Mesh Stiffness Variation

Volume 5: 25th International Conference on Design Theory and Methodology; ASME 2013 Power Transmission and Gearing Conference, 2013
Parameter excited oscillations induced by the varying tooth mesh stiffnesses of the gear pairs cause severe vibration in gear systems. The oscillations become more complex and serious in multi-mesh gear system because more mesh stiffnesses variation occur, which are necessary to be investigated in deeply. To illustrate the complex oscillation phenomena,
Hanjun Jiang, Yimin Shao
openaire   +1 more source

Evaluating the time-varying mesh stiffness of planetary gear set with gear crack considering the friction force under mixed elastohydrodynamic lubrication condition

Journal of tribology, 2022
The mesh stiffness calculation of planetary gear system with gear crack is investigated, gear crack is modelled into end-face, and addendum extended crack, furthermore, the mesh stiffnesses are calculated under the of effect of friction force, that ...
Siyu Wang, R. Zhu
semanticscholar   +1 more source

Scalable Mesh Deformation with Controllable Stiffness

2013 International Conference on Computer-Aided Design and Computer Graphics, 2013
This paper presents an efficient and physics-plausible deformation algorithm. A simplification is first conducted on the original mesh, then the deformation of the simplified mesh is passed to the original mesh to obtain an initial result. Then a set of optimal rigid transformations are computed to preserve the shape features and control the surface ...
openaire   +1 more source

Topography Compensation for Haptization of a Mesh Object and Its Stiffness Distribution

IEEE Transactions on Haptics, 2015
This work was motivated by the need for perceptualizing nano-scale scientific data, e.g., those acquired by a scanning probe microscope, where collocated topography and stiffness distribution of a surface can be measured. Previous research showed that when the topography of a surface with spatially varying stiffness is rendered using the conventional ...
Yim, S, Jeon, S, Choi, S
openaire   +3 more sources

Improved mesh stiffness model of spur gear considering spalling defect influenced by surface roughness under EHL condition

Mechanics based design of structures and machines
Gear tooth spalling is a typical tooth surface defects in gear transmission. The accurate calculation of the time-varying mesh stiffness of the gear pair with spalling defect under mixed elastohydrodynamic lubrication (EHL) plays an important role in ...
Huifang Xiao, Fan Zhang, Jin Gao, Zedong Li   +3 more
semanticscholar   +1 more source

Dynamic modeling of spur gear system considering the coupling effect between bearing deflection and gear mesh stiffness

Proceedings of the Institution of mechanical engineers. Part C, journal of mechanical engineering science
Bearing deflection has a direct impact on the mesh condition of gear systems via the center distance of the gear pair and corner contact. These factors need to be considered to accurately model the time-varying mesh stiffness and dynamic responses of ...
Zhiliang Xu, Wennian Yu, Huachao Xu, Jinjin Li   +3 more
semanticscholar   +1 more source