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TECHNICAL PAPERS

Dynamic Response of a Planetary Gear System Using a Finite Element/Contact Mechanics Model

[+] Author and Article Information
Robert G. Parker

Associate Professore-mail: parker.242@osu.edu

Vinayak Agashe

Department of Mechanical Engineering, The Ohio State University, 206 W. 18th Ave., Columbus, OH 43201-1107

Sandeep M. Vijayakar

Advanced Numerical Solutions, 3554 Mark Twain Ct., Hilliard, OH 43026

J. Mech. Des 122(3), 304-310 (May 01, 1999) (7 pages) doi:10.1115/1.1286189 History: Received May 01, 1999
Copyright © 2000 by ASME
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References

Figures

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Contact region division into inner and outer regions
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Finite element mesh for the planetary gear system
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Frequency content of the sun translation transients for the three planet gear system impulse test. Force impulses are applied only to the sun and carrier translational degrees of freedom.
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Frequency response amplitude of the planet radial deflection at various speeds for a sun torque of 1130 N-m (10000 lb-in) in a four planet gear system
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Frequency response amplitude of the planet tangential deflection at various speeds for a sun torque of 1130 N-m (10000 lb-in) in a four planet gear system
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Frequency response amplitude of the planet rotational deflection at various speeds for a sun torque of 1130 N-m (10000 lb-in) in a four planet gear system
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Frequency response amplitude of the planet radial deflection at various speeds for a sun torque of 1130 N-m (10000 lb-in) in a four planet gear system. fi denotes the natural frequencies of the system.
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Frequency response amplitude of the planet rotational deflection of Fig. 6 presented such that the individual harmonics are clarified
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Frequency response amplitude of the sun tangential deflection at various speeds for a sun torque of 1130 N-m (10000 lb-in) in a four planet gear system
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Frequency response amplitude of the sun rotational deflection at various speeds for a sun torque of 1130 N-m (10000 lb-in) in a four planet gear system
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Frequency response amplitude of the planet radial deflection at various speeds for a sun torque of 1130 N-m (10000 lb-in) in a three planet gear system
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Comparison of the change in the RMS sun gear rotational and translational deflections as the torque is increased. These are the results of static analyses.
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Comparison of the peak sun gear resonant response for the 1) rotational mode at 1144 Hz, and 2) translational mode at 778 Hz. Solid curves denote sun rotation and dashed curves denote sun translation.
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Comparison of the peak planet gear resonant response for the 1) rotational mode at 1144 Hz, and 2) translational mode at 778 Hz. The curves denote planet radial deflection for both modes.

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