n1 20 "Number of teeth, gear-1"
d1 100[mm] "Pitch diameter, gear-1"
n2 30 "Number of teeth, gear-2"
d2 150[mm] "Pitch diameter, gear-2"
alpha 25[deg] "Pressure angle"
beta 30[deg] "Helix angle"
gr n2/n1 "Gear ratio"
kg 2e6[N/m] "Gear mesh stiffness"
kb 1e7[N/m] "Bearing stiffness"
omega 1500[rpm] "Angular speed of driver shaft"
Text 1e2[N*m] "Resisting torque on driven shaft"
t_end 1.5/omega "Total simulation time"