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Featured researches published by Yuma Miyauchi.


SAE transactions | 2004

Experimental Gears Vibration Analysis for Reducing Meshing Force of Automatic Transmission

Yasunori Kanda; Yoshihiko Fujita; Yuma Miyauchi

The effort of gear noise reduction has traditionally focused on minimizing transmission error. On the other hand, gears vibration characteristics are also known to influence gear noise strongly. With the thin helical gears, therefore, the entire gear noise mechanism is clarified quantitatively by experimental analysis, and a dominant factor is specified. The analysis has shown that meshing force is the most significant factor. Thus, innovative gear structure has been devised, which aggressively controls meshing force characteristics like a dynamic vibration reducer. Redesigned gears have successfully improved gear noise. These experimental technologies and design methods can be applied to general gear noise problem in order to conduct optimization.


Mechanical Engineering Letters | 2015

Stochastic homogenization analysis of FIB-SEM image-based hierarchical model of sprayed porous ZrO 2

Yuma Miyauchi; Naoki Takano; Pin Wen


SAE transactions | 2001

Introduction of gear noise reduction ring by mechanism analysis including FEM dynamic tuning

Yuma Miyauchi; Koji Fujii; Takayuki Nishino; Koichi Hatamura; Toru Kurisu


Archive | 2000

Mechanism Analysis of Automatic Transmission gear noise

Toru Kurisu; Koichi Hatamura; Koji Fujii; Yuma Miyauchi; Yasunori Kanda; Nobuhiro Fujii; Shouhei Kumano


SAE World Congress & Exhibition | 2007

Numerical Investigation in Rotor Motion and Elasto-Hydrodynamic Rotor Bearing Behavior of a Rotary Engine Using Flexible Multi-Body Dynamics

Thomas Resch; Christoph Schweiger; Guenter Offner; Yuma Miyauchi


The Proceedings of The Computational Mechanics Conference | 2014

Three-dimension microstructure modeling and multiscale simulation of sprayed zirconia porous film based on statistical analysis of SEM images

Tomohiro Suzuki; Naoki Takano; Yuma Miyauchi


The Proceedings of The Computational Mechanics Conference | 2014

Microstructure design by stochastic multiscale simulation considering geometrical fluctuation at microscale and uncertainty in constituent material property

Pin Wen; Naoki Takano; Yuma Miyauchi


The Proceedings of the Materials and Mechanics Conference | 2013

OS0911 Homogenization of Porous Materials Considering Uncertainties at Microscale

Hikaru Ichimura; Naoki Takano; Yuma Miyauchi


The Proceedings of The Computational Mechanics Conference | 2013

2706 Study on Microstructure Design Method of Porous Materials by Stochastic Homogenization Method

Hikaru Ichimura; Naoki Takano; Yuma Miyauchi


The Proceedings of The Computational Mechanics Conference | 2013

2709 Stochastic multiscale modeling of porous sprayed coating

Tomohiro Suzuki; Naoki Takano; Yuma Miyauchi

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