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https://hdl.handle.net/1822/35714
Título: | Coupling dynamics of a geared multibody system supported by Elastohydrodynamic lubricated cylindrical joints |
Autor(es): | Tian, Qiang Xiao, Qianfei Sun,Yanlei Hu, Haiyan Liu, Hui Flores, Paulo |
Palavras-chave: | Geared multibody system Absolute Nodal Coordinate Formulation (ANCF) Time-varying meshing stiffness Sliding frictional force ElastoHydroDynamic (EHD) lubrication |
Data: | Mar-2015 |
Editora: | Springer |
Revista: | Multibody System Dynamics |
Citação: | Tian, Q., Xiao, Q., Sun, Y., Hu, H., Liu, H., & Flores, P. (2014). Coupling dynamics of a geared multibody system supported by ElastoHydroDynamic lubricated cylindrical joints. Multibody System Dynamics, 33(3), 259–284 |
Resumo(s): | A comprehensive computational methodology to study the coupling dynamics of a geared multibody system supported by ElastoHydroDynamic (EHD) lubricated cylindrical joints is proposed throughout this work. The geared multibody system is described by using the Absolute-Coordinate-Based (ACB) method that combines the Natural Coordinate Formulation (NCF) describing rigid bodies and the Absolute Nodal Coordinate Formulation (ANCF) characterizing the flexible bodies. Based on the finite-short bearing approach, the EHD lubrication condition for the cylindrical joints supporting the geared system is considered here. The lubrication forces developed at the cylindrical joints are obtained by solving the Reynolds’ equation via the finite difference method. For the evaluation of the normal contact forces of gear pair along the Line Of Action (LOA), the time-varying mesh stiffness, mesh damping and Static Transmission Error (STE) are utilized. The time-varying mesh stiffness is calculated by using the Chaari’s methodology. The forces of sliding friction along the Off-Line-Of-Action (OLOA) are computed by using the Coulomb friction models with a time-varying coefficient of friction under the EHD lubrication condition of gear teeth. Finally, two numerical examples of application are presented to demonstrate and validate the proposed methodology. |
Tipo: | Artigo |
URI: | https://hdl.handle.net/1822/35714 |
DOI: | 10.1007/s11044-014-9420-0 |
ISSN: | 1384-5640 1573-272X |
Versão da editora: | http://link.springer.com/article/10.1007%2Fs11044-014-9420-0 |
Arbitragem científica: | yes |
Acesso: | Acesso aberto |
Aparece nas coleções: | DEM - Artigos em revistas de circulação internacional com arbitragem científica |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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6.7.49 2015.pdf | Documento principal | 3,56 MB | Adobe PDF | Ver/Abrir |