... 2011 blades finite element analysis Monte Carlo methods reduced order systems rotors statistical distributions vibrations The vibration of a multistage rotor has recently become an important area of research ( 1 2 3 4 5 6 ). The issue here is the impact of interstage coupling...

... for an academic rotor are presented to establish the validity of the technique. 22 07 2007 22 02 2008 08 04 2009 blades discs (structures) geometry reduced order systems rotors vibrations Mistuning refers to inevitable variations in blades’ properties, which arise during...

... accuracy relative to finite element results, even for a case in which the displacement and stress levels show different frequency response trends. 23 02 2005 01 08 2005 blades vibrations discs (structures) turbines engines reduced order systems finite element analysis reliability...

... blades discs (structures) reduced order systems transient analysis vibrations engines military equipment Bladed disks are generally designed to be cyclically symmetric with each blade identical. However, due to imperfections in the manufacturing process as well as wear during operation...

... N   ∑ s = 0 N − 1 e is n − m 2 π / N Δ ω ψ s . rotors tuning identification reduced order systems vibrations gas turbines Bladed disks used in turbine engines are nominally designed to be cyclically symmetric...