Implementation of a finite element model for stress analysis of gear drives based on multi-point constraints
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Research GroupGrupo de Investigación de Transmisiones Avanzadas de Engranajes
Knowledge AreaIngeniería Mecánica
SponsorsThe authors express their deep gratitude to the Spanish Ministry of Education, Culture, and Sport, for the financial support received through the scholarship Ref. PRX16/00416 from the Program of Mobility Stays for Senior Professors and Researchers at Foreign Centers for High Level Education and Research, in the frame of the Spanish State Program for Scientific and Technical Research and Innovation 2013–2016.
Bibliographic CitationMechanism and Machine Theory (2017), 117, pp. 35-47
KeywordsGear stress analysis
Finite element method
Gear researchers are always trying to find a trade-off solution between obtaining accurate results from gear stress analyses and low computational costs. Both factors, accuracy on the one hand, and a low computational cost on the other hand, usually go in opposite directions. In this paper, a finite element model for stress analysis of gear drives is proposed with the ultimate goal of obtaining accurate results regarding contact and bending stresses with lower computational cost than those finite element models where mesh refinement is not applied. The proposed finite element model allows the whole cycle of meshing to be analyzed and is based on the application of multi-point constraints for mesh refinement and the application of elements with a reduced number of integration points. Node coordinates are computationally and automatically determined by application of the gear theory. Several numerical examples are presented for a spur gear drive, although the same ideas can be applied in ...
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