
For all rotational machines, the analysis of dynamic stresses and the resulting vibrations is an important subject. When it comes to helicopters and piston engines, this analysis becomes crucial. From the design of parts working under stress to the reduction of the vibration...

For all rotational machines, the analysis of dynamic stressesand the resulting vibrations is an important subject. When itcomes to helicopters and piston engines, this analysis becomescrucial. From the design of parts working under stress to thereduction of the vibration levels,...