Three dimensional finite element stress predictions of spur gears compared to gear fatigue rig measurements
Conference
·
OSTI ID:5425868
A three dimensional finite element analysis technique has been developed for evaluating the gear tooth contact and fillet bending stresses. The method is based on an isoparametric formulation using 20-noded solid elements and the sub-structure approach to minimize computer core usage. The analysis has been applied to a test case of LCR spur gears specifically designed for pitting endurance testing on a gear fatigue rig. The analysis results are compared with strain gauge results obtained from gear fatigue rig to determine allowables for gear tooth stressing. They are finally compared to the tooth stresses obtained using a gear teeth dynamic model for further substantiation.
- OSTI ID:
- 5425868
- Report Number(s):
- AIAA-Paper--89-2918; CONF-8907118--
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
33 ADVANCED PROPULSION SYSTEMS
330103* -- Internal Combustion Engines-- Turbine
42 ENGINEERING
420200 -- Engineering-- Facilities
Equipment
& Techniques
AIRCRAFT
COMPUTER CODES
ENGINES
FATIGUE
FINITE ELEMENT METHOD
GAS TURBINE ENGINES
GEARS
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MACHINE PARTS
MECHANICAL PROPERTIES
NUMERICAL SOLUTION
STRESS ANALYSIS
STRESSES
330103* -- Internal Combustion Engines-- Turbine
42 ENGINEERING
420200 -- Engineering-- Facilities
Equipment
& Techniques
AIRCRAFT
COMPUTER CODES
ENGINES
FATIGUE
FINITE ELEMENT METHOD
GAS TURBINE ENGINES
GEARS
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MACHINE PARTS
MECHANICAL PROPERTIES
NUMERICAL SOLUTION
STRESS ANALYSIS
STRESSES