... their influence on the dynamic response and to define the required accuracy of the input parameters. 03 05 2011 07 05 2011 09 01 2012 09 01 2012 blades damping discs (structures) fatigue friction mechanical contact shock absorbers torsion turbines vibrations...

... is the IC method [( 5 6 )]. aerodynamics blades computational fluid dynamics damping discs (structures) elasticity principal component analysis 08 07 2010 11 03 2011 26 08 2011 26 08 2011 2011 American Society of Mechanical Engineers ...

.../1.2181998 01 06 2010 02 06 2010 06 05 2011 06 05 2011 blades discs (structures) mechanical contact vibrations Bladed disks and other gas-turbine structures comprise contact interfaces with friction, gap, and other types of nonlinear contact interactions. High...

... 2010 28 04 2011 28 04 2011 amplification blades damping discs (structures) fatigue vibrations Blade vibration has been a major problem in gas turbines since the early days of their development ( 1 ). One of the contributing factors is that small differences between...

... and design decisions. 08 04 2010 09 04 2010 10 03 2011 10 03 2011 aerodynamics blades damping discs (structures) statistical analysis Realistic bladed disks, although designed mostly to be cyclically symmetric, are mistuned, i.e., dynamic properties of individual...

... on the generated force are also presented. Examples of experimental tests that can be performed on a dummy integral bladed disk (blisk) mounted on the rig are described in the end. 11 05 2010 03 06 2010 11 11 2010 11 11 2010 blades discs (structures) electromagnets frequency response...

... is not detuned. blades discs (structures) finite element analysis modal analysis turbomachinery 05 05 2009 24 10 2009 10 08 2010 10 08 2010 Let us consider t different blade types for a bladed disk with N blades, t ≤ N . In the following discussion...

... blades damping discs (structures) reduced order systems shock absorbers turbomachinery vibration control 11 09 2008 18 09 2008 07 06 2010 07 06 2010 2010 American Society of Mechanical Engineers ...

... 2008 20 05 2010 20 05 2010 blades computerised numerical control discs (structures) fatigue internal stresses machine tools plasticity wear Fretting initiated fatigue has long been recognized as a major cause of blade dovetail and disk slot failures in aircraft turbine...

... 05 03 2010 aerodynamics blades computational fluid dynamics damping discs (structures) gas turbines shock absorbers The key components necessary for a predictive forced response analysis of mistuned bladed disks can be identified as (i) determination of the aerodynamic...

... 03 2009 03 04 2009 25 01 2010 25 01 2010 blades calibration discs (structures) finite element analysis It is well known that small differences among blades, called mistuning, can lead to severe increases in the maximum vibration amplitude and stress levels of bladed...

... of the turbine section. 14 12 2007 11 11 2008 09 04 2009 blades discs (structures) failure (mechanical) failure analysis fatigue cracks finite element analysis gas turbine power stations mechanical testing nozzles stress analysis surface cracks turbogenerators vibrations...

... to the vibration design, high cycle fatigue (HCF) analysis, and fault diagnosis of the aeroengine ( 1 ). aerospace engines blades design engineering discs (structures) robust control 18 06 2007 16 09 2008 29 01 2009 Wang , J. J. , Li , Q. H. , and Zhu , Z. G...

... 14 04 2008 30 12 2008 blades damping discs (structures) engines finite element analysis friction mechanical contact sensitivity analysis The resonance forced response levels and values of the resonance frequencies are of primary interests in the majority of investigations...

... of harmonics employed by the harmonic balance method are examined. Finally, the prediction for a test case is compared with the test data to verify the developed method. blades damping discs (structures) elasticity friction turbines vibrations Mechanical systems with moving components always...

... for the maximum forced response amplification of a mistuned bladed disk is obtained from this description, and the results of the AMM are validated numerically using a simple mass-spring model. 07 04 2008 09 04 2008 23 12 2008 blades discs (structures) perturbation techniques springs...

... is really straightforward and provides an efficient tool to observe and predict coupled phenomena. 31 03 2008 11 04 2008 09 10 2008 assembling blades discs (structures) kinematics rotors This study presents an industrial application of the authors’ reduction technique...

... friction dampers where the vibration energy in the blades is dissipated by rubbing of the mating damper and bladed disk surfaces. discs (structures) friction shock absorbers test equipment vibrations 30 07 2007 30 07 2007 29 04 2008 2008 American Society of Mechanical...

... to predict the FCG rate and, hence, life in single crystal components subject to mixed-mode fatigue loading. 16 10 2006 17 10 2006 26 03 2008 crack-edge stress field analysis discs (structures) fatigue cracks finite element analysis fracture mechanics nickel alloys superalloys...

... is an optimization problem and its solution can be efficiently made using approximations given by Eqs. 3 , 4 . 27 04 2007 24 05 2007 29 02 2008 blades discs (structures) finite element analysis friction mechanical contact sensitivity analysis shock absorbers stochastic processes...