Littérature scientifique sur le sujet « Bladed Disks Dynamic »
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Articles de revues sur le sujet "Bladed Disks Dynamic"
Zhao, Zhi Bin, Er Ming He et Hong Jian Wang. « Experimental Investigation on Natural Characteristics and Forced Response of Bladed Disks ». Applied Mechanics and Materials 105-107 (septembre 2011) : 34–37. http://dx.doi.org/10.4028/www.scientific.net/amm.105-107.34.
Texte intégralJudge, J., C. Pierre et O. Mehmed. « Experimental Investigation of Mode Localization and Forced Response Amplitude Magnification for a Mistuned Bladed Disk ». Journal of Engineering for Gas Turbines and Power 123, no 4 (1 octobre 2000) : 940–50. http://dx.doi.org/10.1115/1.1377872.
Texte intégralBladh, R., M. P. Castanier et C. Pierre. « Component-Mode-Based Reduced Order Modeling Techniques for Mistuned Bladed Disks—Part I : Theoretical Models ». Journal of Engineering for Gas Turbines and Power 123, no 1 (2 avril 2000) : 89–99. http://dx.doi.org/10.1115/1.1338947.
Texte intégralCarassale, Luigi, et Elena Rizzetto. « Experimental Investigation on a Bladed Disk with Traveling Wave Excitation ». Sensors 21, no 12 (8 juin 2021) : 3966. http://dx.doi.org/10.3390/s21123966.
Texte intégralGao, Shimin, Yanrong Wang, Zhiwei Sun et Siyuan Chen. « A Prediction Method with Altering Equivalent Stiffness for Damping Evaluation of Shrouded Bladed Disk Dynamic Systems ». Symmetry 13, no 3 (4 mars 2021) : 413. http://dx.doi.org/10.3390/sym13030413.
Texte intégralMignolet, M. P., A. J. Rivas-Guerra et J. P. Delor. « Identification of Mistuning Characteristics of Bladed Disks From Free Response Data—Part I ». Journal of Engineering for Gas Turbines and Power 123, no 2 (9 juin 1999) : 395–403. http://dx.doi.org/10.1115/1.1338949.
Texte intégralSommariva, Alessandro, et Stefano Zucca. « A Comparison between Two Reduction Strategies for Shrouded Bladed Disks ». Applied Sciences 8, no 10 (26 septembre 2018) : 1736. http://dx.doi.org/10.3390/app8101736.
Texte intégralMoraga, Greco, Mònica Egusquiza, David Valentín, Carme Valero et Alexandre Presas. « Analysis of the Mode Shapes of Kaplan Runners ». Applied Sciences 12, no 13 (2 juillet 2022) : 6708. http://dx.doi.org/10.3390/app12136708.
Texte intégralFlowers, G. T., et Fang Sheng Wu. « A Study of the Influence of Bearing Clearance on Lateral Coupled Shaft/Disk Rotordynamics ». Journal of Engineering for Gas Turbines and Power 115, no 2 (1 avril 1993) : 279–86. http://dx.doi.org/10.1115/1.2906706.
Texte intégralPetrov, E. P., et D. J. Ewins. « Advanced Modeling of Underplatform Friction Dampers for Analysis of Bladed Disk Vibration ». Journal of Turbomachinery 129, no 1 (1 février 2006) : 143–50. http://dx.doi.org/10.1115/1.2372775.
Texte intégralThèses sur le sujet "Bladed Disks Dynamic"
Bah, Mamadou Tahirou. « Reduced order modelling for efficient prediction of the dynamics of mistuned bladed disks ». Thesis, University of Southampton, 2002. https://eprints.soton.ac.uk/45931/.
Texte intégralFang, Chih. « A reduced-order meshless energy (ROME) model for the elastodynamics of mistuned bladed disks ». Diss., Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/12457.
Texte intégralYumer, Mehmet Ersin. « On The Non-linear Vibration And Mistuning Identification Of Bladed Disks ». Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/3/12611498/index.pdf.
Texte intégralmistuning&rsquo
, which destroys the cyclic symmetry of a rotor, there have been several difficulties related to forced response analysis ever since, two of which are addressed in this thesis: efficient non-linear forced response analysis of mistuned bladed disks and mistuning identification. On the nonlinear analysis side, a new solution approach is proposed studying the combined effect of non-linearity and mistuning, which is relatively recent in this research area and generally conducted with methods whose convergence and accuracy depend highly on the number of degrees of freedom where non-linear elements are attached. The proposed approach predicts nonlinear forced response of mistuned bladed disk assemblies considering any type of nonlinearity. In this thesis, special attention is given to the friction contact modeling of bladed disks which is the most common type of nonlinearity found in bladed disk assemblies. In the modeling of frictional contact a friction element which enables normal load variation and separation of the contact interface in three-dimensional space is utilized. Moreover, the analysis is carried out in modal domain where the differential equations of motions are converted to a set of non-linear algebraic equations using harmonic balance method and modal superposition technique. Thus, the number of non-linear equations to be solved is independent of the number of non-linear elements used. On the mistuning identification side, a new method is enclosed herein which makes use of neural networks to assess unknown mistuning parameters of a given bladed disk assembly from its assembly modes, thus being suitable for integrally bladed disks. The method assumes that a tuned mathematical model of the rotor under consideration is readily available, which is always the case for today&rsquo
s realistic bladed disk assemblies. A data set of selected mode shapes and natural frequencies is created by a number of simulations performed by mistuning the tuned mathematical model randomly. A neural network created by considering the number of modes, is then trained with this data set for being used to identify mistuning of the rotor from measured data. On top of these, a new adaptive algorithm is developed for harmonic balance method, several intentional mistuning patterns are investigated via excessive Monte-Carlo simulations and a new approach to locate, classify and parametrically identify structural non-linearities is introduced.
Sternchüss, Arnaud. « Multi-level parametric reduced models of rotating bladed disk assemblies ». Phd thesis, Ecole Centrale Paris, 2009. http://tel.archives-ouvertes.fr/tel-00366252.
Texte intégralPicou, Anthony. « Robust analysis under uncertainties of bladed disk vibration with geometrical nonlinearities and detuning ». Thesis, Paris Est, 2019. http://www.theses.fr/2019PESC2038.
Texte intégralThe intentional mistuning, also called detuning has been identified as an efficient technological way for reducing the sensitivity of the forced response of bladed disks to unintentional mistuning (simply called mistuning), caused by the manufacturing tolerances and the small variations in the mechanical properties from blade to blade. The intentional mistuning consists in detuning the bladed disk structure by using partial or alternating patterns of different sector types. However, the recent technological improvements that include the use of more flexible and lighter blades can lead to large strains/displacements, which requires the use of nonlinear dynamic equations involving geometric nonlinearities. This work is devoted to the robust analysis of the effects of geometric nonlinearities on the nonlinear dynamic behavior of rotating detuned bladed disks in presence of mistuning. The detuning corresponds to uncertainties in the computational model, and are taken into account by a probabilistic approach. This thesis presents a series of novel results in dynamics of rotating bladed disks with mistuning and detuning in presence of nonlinear geometrical effects. The structural responses are computed in the time domain and are analyzed in the frequency domain. The frequency analysis exhibits responses outside the frequency band of excitation. The confidence region of the stochastic responses allows the robustness to be analyzed with respect to uncertainties, that is to say with respect to the level of mistuning. The bladed disk structure, which is used for the numerical simulations, is made up of 24 blades for which several different detuned patterns are investigated with and without mistuning
Shankare, Gowda Vrishank Raghav. « Radial flow effects on a retreating rotor blade ». Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53403.
Texte intégralDumartineix, Cécile. « Modélisation et étude de la dynamique complexe d'un système bi-rotor aubagé couplé ». Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEC049.
Texte intégralTurbomachines optimization requires an excellent control of the vibration phenomena of the whole structure, especially in regards to the interactions between the different parts of the engine. The coupling between global dynamics and blade dynamics of a shaft line alters the vibration behavior of the bladed-disks, which are usually designed separately. The study of these phenomena comes with large sized models which require specific numerical tools with low-cost solving strategy. These energy exchanges are particularly difficult to predict in the case of a bi-rotor architecture coupled with a bearing system. When the equations of motion of both structures are written simultaneously, the rotating speed difference introduces time-periodic coefficients which yield expensive time resolution. The main purpose of this thesis is to develop a new methodology for the projection of the equation of motion of a bladed bi-rotor system in order to restore a regular equation form compatible with classical frequency solving methods. Compared with time resolution taken as reference, this new approach gives accurate results when applied on simple finite element models submitted to mono- and multi-frequency excitation forces. This substantially time-saving method makes it possible to study the forced response of a characteristic system of two coupled bladed-disks, on a large range of rotation speeds. Two vibratory interaction phenomena are thus revealed, directly related to the occurrence of energy exchanges through the inter-shaft bearing. A graphic detection of unstable areas according to both rotation speeds is established and validated thanks to a double ring model. The proposed projection methodology of the equation of motion is then extended to consider two current industrial challenges. First, in the case of friction nonlinearity present on one bladed-disk, the harmonic balance method is adapted to fit the new form of equation obtained after projection. Finally, the impact of the coupling mechanism is studied by replacing the bearing with a gearbox
Salles, Loïc. « Etude de l'usure par fretting sous chargements dynamiques dans les interfaces frottantes : application aux pieds d'aubes de turbomachines ». Phd thesis, Ecole Centrale de Lyon, 2010. http://tel.archives-ouvertes.fr/tel-00600613.
Texte intégralÓttarsson, Gísli. « Dynamic modeling and vibration analysis of mistuned bladed disks ». Phd thesis, 1994. http://tel.archives-ouvertes.fr/tel-00598068.
Texte intégralCheng, Wen-Yuan, et 鄭文源. « Dynamic Modeling of Bladed-Disks Using Pseudo Mode Shape Method ». Thesis, 2007. http://ndltd.ncl.edu.tw/handle/71562129059071766246.
Texte intégral元智大學
機械工程學系
95
Vibration coupling occurs between bladed disks and shafts in high-speed rotors of large steam turbine-generators. Therefore, the effects of bladed disks on the shafts can not be neglected. If solid elements are used in the finite element modeling of multiple-bladed-disk rotors, problems of huge amount of elements and time consuming in computation often make simulation and analysis impractical. Model reduction is necessary to reduce the size of the matrices of substructures for computation. On the other hand, both limited test points in setting the measurement hardware, caused by the complicated configuration of the structure, and lack of test time during maintenance or overhauling result in incomplete mode shape information. Only a few frequency response functions of the systems are difficult to convert the modal models to the matrices of spatial models. A desire for methods to operate under the situation of incomplete mode shape information arises. A modified pseudo mode shape method was proposed to reduce the models of bladed-disks in this thesis. The frequency response functions of bladed-disks obtained at the joints with the shafts are used to derive the condensed mass, damping, and stiffness matrices for the substructures. This thesis extends the theory of pseudo mode shape method developed previously to include rigid body modes and deformation modes of the substructures. The extended theory can cover wider frequency ranges and more modes of bladed disks and the derived matrices are easily incorporated into the existing programs of rotordynamics to perform the analyses of rotor-bladed disks systems. The feasibility and effectiveness of the extended pseudo mode shape method are justified by three examples: (1) 2-D cantilevered beam (b) beam-typed shaft and solid-modeled bladed disk and (3) solid-modeled shaft and bladed disk.
Livres sur le sujet "Bladed Disks Dynamic"
V, Nagpal, Chamis C. C et United States. National Aeronautics and Space Administration., dir. Probabilistic analysis of bladed turbine disks and the effect of mistuning. [Washington, D.C : National Aeronautics and Space Administration, 1990.
Trouver le texte intégralCenter, Lewis Research, dir. Parallel processing for nonlinear dynamics simulations of structures including rotating bladed-disk assemblies : Report to NASA Lewis Research Center. Ithaca, N.Y : School of Civil and Environmental Engineering and Program of Computer Graphics, Cornell University, 1993.
Trouver le texte intégralJ, Maffeo Robert, Schwartz S et United States. National Aeronautics and Space Administration., dir. Engine structures analysis software : Component specific modeling (COSMO). [Washington, D.C.] : National Aeronautics and Space Administration, 1994.
Trouver le texte intégralChapitres de livres sur le sujet "Bladed Disks Dynamic"
Kaneko, Yasutomo, Kazushi Mori et Hiroharu Ooyama. « Vibration Response Analysis of Mistuned Bladed Disk Consisting of Directionally Solidified Blade ». Dans Proceedings of the 9th IFToMM International Conference on Rotor Dynamics, 101–11. Cham : Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-06590-8_9.
Texte intégralCarassale, Luigi, Mirko Maurici et Laura Traversone. « Reduced-Order Modeling of Turbine Bladed Discs by 1D Elements ». Dans Special Topics in Structural Dynamics, Volume 6, 133–43. Cham : Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15048-2_13.
Texte intégralCarassale, Luigi, Andrea Bessone et Andrea Cavicchi. « Interface Reduction in Component Mode Synthesis of Bladed Disks by Orthogonal-Polynomial Series ». Dans Dynamics of Coupled Structures, Volume 4, 201–4. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-74654-8_17.
Texte intégralEwins, D. J., et Y. J. Chan. « Vibration of Rotating Bladed Discs : Mistuning, Coriolis, and Robust Design ». Dans IUTAM Symposium on Emerging Trends in Rotor Dynamics, 163–75. Dordrecht : Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-94-007-0020-8_15.
Texte intégralRzadkowski, Romuald, Artur Maurin et Ryszard Szczepanik. « Forced Vibration of Eight Mistuned Bladed Discs on a Solid Shaft—Excitation of the Second Compressor Bladed Disc ». Dans Proceedings of the 9th IFToMM International Conference on Rotor Dynamics, 89–100. Cham : Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-06590-8_8.
Texte intégralMa, Hui, Zhiyuan Wu, Xingyu Tai, Chaofeng Li et Bangchun Wen. « Nonlinear Behavior Analysis Caused by Blade Tip Rubbing in a Rotor-Disk-Blade System ». Dans Proceedings of the 9th IFToMM International Conference on Rotor Dynamics, 181–91. Cham : Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-06590-8_15.
Texte intégralPešek, Luděk, Pavel Šnábl, Petr Šulc, Ladislav Půst et Vítězslav Bula. « 3D FE modelling of non-linear dynamics of bladed model disk with dry-friction contacts in tie-bosses ». Dans Advances in Mechanism and Machine Science, 3429–38. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20131-9_338.
Texte intégralNikolaev, Evgeny, et Maria Nikolaeva. « Discrete Vortex Cylinders Method for Calculating the Helicopter Rotor-Induced Velocity ». Dans Vortex Dynamics Theories and Applications. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.93186.
Texte intégralMaria, Christian, et Stefano Zucc. « Modelling Friction Contacts in Structural Dynamics and its Application to Turbine Bladed Disks ». Dans Numerical Analysis - Theory and Application. InTech, 2011. http://dx.doi.org/10.5772/25128.
Texte intégralActes de conférences sur le sujet "Bladed Disks Dynamic"
Kruse, Marlin J., et Christophe Pierre. « An Experimental Investigation of Vibration Localization in Bladed Disks : Part II — Forced Response ». Dans ASME 1997 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/97-gt-502.
Texte intégralSalles, Loi¨c, Alexander M. Gouskov, Laurent Blanc, Fabrice Thouverez et Pierrick Jean. « Dynamic Analysis of Fretting-Wear in Joint Interface by a Multiscale Harmonic Balance Method Coupled With Explicit or Implicit Integration Schemes ». Dans ASME Turbo Expo 2010 : Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-23264.
Texte intégralKruse, Marlin J., et Christophe Pierre. « An Experimental Investigation of Vibration Localization in Bladed Disks : Part I — Free Response ». Dans ASME 1997 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/97-gt-501.
Texte intégralTong, Jing, Chaoping Zang et E. P. Petrov. « Accurate Interpolation of the Dependency of Modal Properties on the Rotation Speed for the Transient Response Analysis of Bladed Disks ». Dans ASME Turbo Expo 2021 : Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-58982.
Texte intégralBeck, Joseph A., Alex A. Kaszynski, Jeffrey M. Brown, Daniel L. Gillaugh et Onome E. Scott-Emuakpor. « Selection of Dynamic Testing Measurement Locations for Integrally Bladed Disks ». Dans ASME Turbo Expo 2018 : Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-76791.
Texte intégralHohl, Andreas, Benedikt Kriegesmann, Jo¨rg Wallaschek et Lars Panning. « The Influence of Blade Properties on the Forced Response of Mistuned Bladed Disks ». Dans ASME 2011 Turbo Expo : Turbine Technical Conference and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/gt2011-46826.
Texte intégralJudge, John, Christophe Pierre et Oral Mehmed. « Experimental Investigation of Mode Localization and Forced Response Amplitude Magnification for a Mistuned Bladed Disk ». Dans ASME Turbo Expo 2000 : Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/2000-gt-0358.
Texte intégralMignolet, Marc P., et Alejandro Rivas-Guerra. « Identification of Mistuning Characteristics of Bladed Disks From Free Response Data ». Dans ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/98-gt-583.
Texte intégralSalles, Loi¨c, Laurent Blanc, Fabrice Thouverez, Aleksander M. Gouskov et Pierrick Jean. « Dynamic Analysis of a Bladed Disk With Friction and Fretting-Wear in Blade Attachments ». Dans ASME Turbo Expo 2009 : Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-60151.
Texte intégralBoulton, Luis A., et Euro Casanova. « Reduced Order Model for a Two Stage Gas Turbine Including Mistuned Bladed Disks and Shaft Interaction ». Dans ASME Turbo Expo 2009 : Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-59335.
Texte intégral