Some functions have been adapted for different types of gear: for example Sudoh [5] (with the functions developed by
Umezawa [6]) and Simon [7,8] for the case of worm gears, or Guingand et al. [9] for the case of helical gears. In these different
cases, the functions remain limited to standard gears.
It is therefore difficult to perform calculations for specific gears with, for example, substantial addendum modification or
for a particular web-rim arrangement. In order to process more general cases, Fang and Wei [10], Li [11] and Gosselin et al.
[12] propose using FEM calculations to determine tooth bending. This method allows processing all cases of gear mountings
as well as those of specific manufacturing; however, it requires relatively long computation time.
In order to solve the problems mentioned previously, i.e. reducing calculation time and applicability to most cases, we
propose a mixed bending-deflection calculation technique based on functions to accelerate calculation time. These functions
result from FEM calculations (one time for all kinematics gear meshing location) to ensure generalised applicability.
The gain in time can be explained because the method allows deducing displacements on the entire surface of the tooth
(meaning several contact locations) from a small number of FEM computations.