期刊
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY
卷 35, 期 9, 页码 4073-4083出版社
KOREAN SOC MECHANICAL ENGINEERS
DOI: 10.1007/s12206-021-0819-2
关键词
Analytical method; Finite element-analytical method; Internal gear pair with small tooth number difference; Time-varying mesh stiffness
资金
- National Natural Science Foundation of China [92048201]
This paper proposes two methods for calculating the time-varying meshing stiffness in internal gear pairs with small tooth difference, including establishing an analytical model using the potential energy method and applying a hybrid finite element-analytical method. These two methods are validated by the finite element method, with results showing that the finite element-analytical method is closer to the reference results.
Due to the multiple tooth contact problem involving internal gear pair with small tooth number difference (IGPSTND), the existing analytical methods applied for standard spur or helix gear pairs to calculate the time-varying meshing stiffness (TVMS) are not suitable. In this paper, two methods are proposed for calculating the time-varying meshing stiffness in internal gear pairs with small tooth difference. In the first method, an analytical model is established by using the potential energy method, considering the clearance of initial contact tooth and the external load. The second method proposes the application of a hybrid finite element-analytical method. The proposed two methods are validated by the application of the finite element method. By taking the results of finite element analysis as a comparative reference, the results show that the finite element - analytical method is closer to the reference results than the results obtained by the analytical method, and both methods are less computationally expensive than finite element analysis.
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