Littérature scientifique sur le sujet « Analyses modales »
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Articles de revues sur le sujet "Analyses modales"
Monforte, Sergio. « Modalitate-markatzaileak : partikula modalak ote dira euskarazko partikula modalak ? [Marcadores de modalidad : ¿son realmente las partículas modales del vasco partículas modales?] ». Fontes Linguae Vasconum, no 132 (17 décembre 2021) : 515–42. http://dx.doi.org/10.35462/flv132.9.
Texte intégralFreedman, Richard, et Maire Egan-Buffet. « Les Chansons de Claude Goudimel : Analyses modales et stylistiques ». Notes 51, no 1 (septembre 1994) : 108. http://dx.doi.org/10.2307/899189.
Texte intégralCampiglio, Carlo, Gérard Frot, Claude Marion et Michel Vannier. « Mise en évidence par microsonde électronique d'erreurs dans les analyses modales classiques de roches hypohyalines ». Canadian Journal of Earth Sciences 22, no 4 (1 avril 1985) : 619–21. http://dx.doi.org/10.1139/e85-061.
Texte intégralÁlvarez-Gil, Francisco J. « Las formas modales 'must' y 'should' en el discurso académico inglés de los posgraduados españoles ». Language Value 16, no 2 (28 décembre 2023) : 1–26. http://dx.doi.org/10.6035/languagev.7304.
Texte intégralRabatel, Alain. « REVIEW OF THE DEFINITION, THE SYNTACTIC-ENUNCIATIVE AND MODAL MARKS OF THE NARRATIVIZED REPRESENTED DISCOURSE ». Naukovì zapiski Nacìonalʹnogo unìversitetu «Ostrozʹka akademìâ». Serìâ «Fìlologìâ» 1, no 13(81) (26 mai 2022) : 96–103. http://dx.doi.org/10.25264/2519-2558-2022-13(81)-96-103.
Texte intégralLauridsen, Karen M. « The Meaning and Use of the Modals CAN and MAY in English Contract Law Texts ». HERMES - Journal of Language and Communication in Business 5, no 9 (29 juillet 2015) : 43. http://dx.doi.org/10.7146/hjlcb.v5i9.21505.
Texte intégralXu, Guang Hua. « Analysis of Carburetor Modal Based on ANSYS ». Applied Mechanics and Materials 651-653 (septembre 2014) : 639–42. http://dx.doi.org/10.4028/www.scientific.net/amm.651-653.639.
Texte intégralWei, De Min, Di Li et Ya Qing Liu. « Dominant Modals of Wind-Induced Vibration Response for Spherical Kiewitt Cable Dome ». Advanced Materials Research 1065-1069 (décembre 2014) : 1156–59. http://dx.doi.org/10.4028/www.scientific.net/amr.1065-1069.1156.
Texte intégralOktavianti, Ikmi Nur. « Necessity and Obligation Modals in English Academic Discourse : A Corpus-Based Analysis ». IJELTAL (Indonesian Journal of English Language Teaching and Applied Linguistics) 4, no 1 (15 novembre 2019) : 47. http://dx.doi.org/10.21093/ijeltal.v4i1.312.
Texte intégralSzymański, Leszek. « The Furdalian concept of ‘open linguistics’ exemplified with an investigation into the semantic field of English possibility modals ». Biuletyn Polskiego Towarzystwa Językoznawczego LXXVIII, no 78 (31 décembre 2022) : 237–58. http://dx.doi.org/10.5604/01.3001.0016.2022.
Texte intégralThèses sur le sujet "Analyses modales"
Mejri, Seifeddine. « Identification et modélisation du comportement dynamique des robots d'usinage ». Thesis, Clermont-Ferrand 2, 2016. http://www.theses.fr/2016CLF22688/document.
Texte intégralMachining robots have major advantages over cartesian machine tools because of their flexibility, their ability to reach inaccessible areas on a complex part, and their important workspace. However, their lack of rigidity and precision is still a limit for precision tasks. The stresses generated by the cutting forces and inertia are important and cause static and dynamic deformations of the structure which result in problems of workpiece surface. The aim of the thesis work is to characterize the dynamic behavior of robots during machining operation. This work followed a three-step approach : Modeling a first model considered as a reference where the robot is at rest. Then the identification of the dynamic behavior in service. Finally, the prediction of the cutting stability using the robot dynamic model. The originality of this work is the development of new operational modal identification methods. They integrate the machining conditions and result into a more accurate model than the first model of reference without being biased by harmonics. Finally, guidlines of robot’s configurations and excitation forces’ direction are proposed to ensure the robotic machining stability
Fuchs, Benjamin. « Lentilles stratifiées et sources réelles associées - Analyses théoriques et validations expérimentales en ondes millimétriques ». Phd thesis, Université Rennes 1, 2007. http://tel.archives-ouvertes.fr/tel-00194403.
Texte intégralParmi celles-ci, la lentille hémisphérique "Half Maxwell Fish-Eye" (HMFE) a rarement été étudiée auparavant. Cette thèse a pour but d'approfondir les connaissances sur cette lentille. Des outils de conception et d'analyse ont ainsi été développés.
Une méthode d'optimisation de la discrétisation du gradient d'indice a été proposée et appliquée aux lentilles HMFE et de Luneburg. Elle permet de choisir les paramètres des lentilles stratifiées et est généralisable à tout type de loi à dépendance radiale tant diélectrique que magnétique.
La majeure partie de ce travail de thèse est consacrée au développement de deux codes de calcul utilisant la technique de raccordement des modes basée sur les fonctions d'ondes sphériques.
Le premier code permet l'analyse rapide des lentilles stratifiées de forme sphérique et hémisphérique de toute taille associées à une source réelle. Le second est formulé pour prendre en compte des structures stratifiées de forme arbitraire avec la possibilité d'introduire du métal. Cette méthode est appliquée à l'étude d'objets diffractants de révolution.
D'un point de vue applicatif, les performances en focalisation des antennes lentilles HMFE sont analysées et comparées à celles des lentilles de Luneburg. Les capacités de dépointage de cette lentille sont aussi quantifiées et une antenne lentille HMFE reconfigurable est présentée.
Ces performances sont validées par des mesures d'antennes lentilles HMFE en ondes millimétriques.
Serbichenko, Daria. « Modal analysis of time-dependent structures using Derictional Derivatives ». Thesis, Ecole centrale de Nantes, 2019. http://www.theses.fr/2019ECDN0059.
Texte intégralIn many industrial fields, modal analysis of structures is a primary key during the design. Finite Element Method is often used to identify both natural frequencies and shapes, offering quick and satisfactory answers in most cases. However, when a structure possesses a time-dependent geometry or if the structure is subjected to a crack propagation, the standards methods used can be constraining. They can also be CPU time consuming (due to remeshing, iterative solving of eigenvalue problems…), especially if one wants to track the evolution of the eigensolutions.In this research work, an original method is proposed to improve the management of finding the evolution of eigensolutions in case of time-dependent structures. This methology is based on the combination of directional derivatives and X-FEM. The directional derivatives allow to estimate the evolution of the eigensolutions between two configurations of the structure and X-FEM overcomes the constraints related to mesh generation of each configuration. Through specific developed criteria, the methodology has been tested for cases of plane and axisymmetric problems. The results obtained in comparison to the standard modal analyses and the conclusions that they can bring, highlight the advantages of the numerical tool that we proposed
Filippis, Hugo de. « Dynamique non linéaire du contact inter-aubes de turbine : caractérisation expérimentale et simulation numérique ». Electronic Thesis or Diss., Ecully, Ecole centrale de Lyon, 2023. http://www.theses.fr/2023ECDL0056.
Texte intégralWith a view of improving the performance and efficiency of the future generation of turbojet engines, and in order to comply with evolving environmental regulations concerning the various pollutants emitted by these machines, aerospace manufacturers are looking for suitable technological solutions. Among all the avenues studied by the manufacturers, increasing the rotational speed of the low-pressure turbine within the turbojet engine is envisaged to increase overall efficiency, in return for the reinforcement of complex vibratory phenomena which need to be taken into account during the design phase. In fact, the low-pressure turbine used in the LEAP generation of jet engines has the particularity of being made up of an assembly of blades whose geometry incorporates a shroud at the upper end of them. All the shrouds interlock with each other when the blades are mounted on the disc, thereby applying a static pre-load to the blades, thanks to a pre-twist angle provided for at the design stage. The function of this shroud is twofold: on the one hand, it serves to guarantee the tightness of the airfoil by limiting the fluid losses of th airflow passing through the blades, and on the other hand, it introduces frictional damping through contact between each blade fixed on the disc, thus reducing their vibration amplitude. The aim of this thesis is to reproduce the non-linear dynamic behavior of a low-pressure turbine blade on a numerical model, and to validate the results obtained using an academic experimental test bench. To this end, a bibliographical study is carried out to establish the state of the art of existing experimental test benches, their specific features, the observations made, the equipment used, etc., in order to position the academic test bench designed as part of this thesis in relation to the literature, taking into account the desired specifications. Once the design and manufacture of the test bench have been completed, the preliminary tests required for its debugging are carried out, including modal analysis of the blades and torsion tests for the calibration of strain gauges to measure the static pre-load when the blades are assembled on the test bench. Forced responses over the frequency range of the structure’s first bending mode have been achieved using step sinus excitation for different static pre-load configurations. Similarly, building the numerical model and calculating non-linear frequency responses requires an understanding and handling of specific methodologies, particularly for dealing with the non-linear forces associated with the frictional contact between the blades shrouds. An additional problem, intrinsic to the construction of the finite element model reproducing the static pre-loading by blade pre-twisting, is the non-coincidence of the meshes of the contact interfaces, necessitating firstly to constrain them to make them sufficiently regular in order to preserve the construction of node-to-node contact elements. Secondly, a method for dealing with this problem is proposed, based on a short bibliography, and taking into account the various calculation methodologies, additional frequency responses are then calculated
Tournaire, Hadrien. « Méthodologie pour génération de modèles réduits dynamiques multiphysiques : application aux open rotors ». Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLC040/document.
Texte intégralThe mechanical design of a system involves many investigations, notably the validation of its structural behaviour over its operating frequency range. This kind of analysis can be numerically performed using the finite element method, however in such a context, the required accuracy and detail level imply models whose significant sizes lead to time consuming simulations. Moreover, the optimization process of such a system may request numerous validation computations that turn out extremely slow the design process. In the framework of this PhD we target a reduction methodology whose main features are: being compact, dealing with non-linear displacement and recovering the damping effects of the model joint due to the contact-friction phenomenon
Nasser-Barakat, Fatima. « Automatic modal variation tracking via a filter-free random decrement technique application to ambient vibration recordings on high-rise buildings ». Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAT044/document.
Texte intégralThis thesis proposes a novel approach to automatically monitor the variationsof the frequencies and the damping ratios of actual high-rise buildings subjected to realworldambient vibrations. The approach aims at dealing simultaneously with the followingchallenges: multi-component signals recorded over the aforementioned buildings and havingclosely-spaced frequency modes with low, exponential and damped amplitudes of theirimpulse responses and contaminated with high additive noises. The approach relies on theapplication of the Random Decrement Technique directly over the multi-component signalunder study which leads to the extraction of a Multi-mode Random Decrement Signatureequivalent to the system impulse response. To characterize such a signature, we propose asignal model based on the physical structure of the building from where the modal parameterscan be estimated. For the purpose of non-biased modal estimate, we propose to usean iterative method based on a Maximum-Likelihood Estimation optimized by a simulatedannealing technique. In order to initialize the parameters of the latter, a first step is designedwhich can be considered as an independent estimator of the modal parameters. Theoriginality of this step lies in its ability to automatically define the number of modes of theestimated signature through the use of the statistical properties of a Welch spectrum. Themodal parameters estimated by the spectral-based initialization step are finally refined bythe Maximum-Likelihood Estimation step. The latter reduces the bias in the estimation andyields more reliable and robust results. All these steps are defined in order to be able to automaticallymonitor the health of a building via a long-term real-time tracking of the modalvariations over time without the need to any user intervention . In addition, the proposedapproach has paid very special attention to the automatic estimation of the most problematicmodal parameter, i.e., the damping ratio. Such features making two of the original featuresas compared to existing techniques. The adaptability and functionality of AMBA is validatedover six actual buildings excited by real-world ambient vibrations. From the obtained results,AMBA proved high efficiency in automatically estimating the frequencies and moreover thedamping ratios in case of closely-spaced frequency modes and very low signal-to-noise ratiolevel. AMBA as well demonstrated a good performance for tracking the modal variationsover time
Prades, Julien. « Dynamique linéarisée totale : Application aux robots parallèles ». Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTS106/document.
Texte intégralThe research work of this thesis manuscript focus on the analysis of the frequency of robots’ vibrations. Our applications mainly revolve around architectures with parallel kinematics. First we examined parallel robots which are redundant in actuation and for which we are considering an increase of their oscillations’ frequency using the internal forces inherent to this type of structure. The aim is to use their actuation is the tensioning of their structure, and consequently, by analogy with a vibrating-wire, to enhance theiroscillation frequency. We have studied several redundancy planar robots and we demonstrate that in the case of robots which are typically designed to be stiff, the impact of added internal forces is of low relevance. The continuation of our research supports the following proposal: “High dynamics trajectories have an impact on the oscillation frequency of the mobile platform.” Indeed parallel robots, when designed to be light, can reach greater accelerations. We chose to concentrate on the study of the impact that dynamic effects canhave on the oscillation frequency of those robots’ mobile platform. The robots examined for our developments are planar parallel robots whether they have redundant actuation or not. We offer to study this impact based on a prime order development of the dynamic model. This linearisation of the dynamic model is intended to be more complete than those suggested by literature. We explain and verify the validity of our approach with a study on the link between speed and oscillation frequency on PR robots (pendulum on a vertical sliding guide) and RR robots ( double pendulum rotating horizontally). Then we will generalize our first order model and apply it to the four robots ( PRR-2 PRR-3, PRR-4, and Dual-V) to see if we are able to identify a pattern regarding the evolution ofoscillation frequencies. We observe that, depending on the trajectories, the dynamics have a low but noticeable, and often positive, impact on the increase of oscillation frequency of the mobile platform. However, since the trajectories and speed input laws are imposed, we have no choice but to be subjected to this impact
Azoury, Chadi. « Analyse dynamique d’un vilebrequin nouvel élément fini filaire ». Toulouse 3, 2007. http://www.theses.fr/2007TOU30023.
Texte intégralThis work of research consists of analyzing the dynamical behavior of a crankshaft in order to get a simple linear finite element that can simulate its behaviors. A finite element model using tetrahedral volumetric elements is performed. This model produces the values of modes and frequencies of vibration of the crankshaft. Then the results of the finite element model are validated using the experimental modal analysis. The objective of this thesis is to replace the volumetric meshing with a simple linear meshing. Many new beam elements are proposed and studied on a test frame structure statically and dynamically. Finally the obtained numerical results show that the linear finite element can substitute volumetric finite elements
Mellinger, Philippe. « Estimation d'incertitudes d'identification modale avec et sans entrées connues : théorie, validation, application ». Thesis, Rennes 1, 2014. http://www.theses.fr/2014REN1S102/document.
Texte intégralDeterminination of vibration characteristics is a crucial step for structure certification or health monitoring. Whatever the method, modes identification of a structure requires vibration tests. During these tests, measurements are made in order to observe responses of the system to known, partially known or unknown excitations. Modal identification methods are global methods. They allow the determination of modes from data post-treatment. Some modal identification methods, such as those based on ARX modelisation error minimisation or subspace methods, have been largely spread into the industry for about fifteen years. Despite this succes, these methods will never provide exact results. Indeed, due to numerous error sources (e.g. sensor noises, environmental noises), modal identifications based on measured data can only lead to modal parameters estimations. By definition, an estimation is subject to statistical errors, also called variances. The purpose of this thesis is to give an in-depth study of these statistical errors estimation. This document is divided in three parts. Firstly, a description of two kind of modal identification methods (ARX modelisation error minimisation and subspace methods) is given. Secondly, the uncertainty estimation principle is explained and propagation schemes of variances are given. Finally, the third part provides an in-depth validation of these methods in order to proceed to industrial utilisations
Level, Pascal. « Contribution à l'élaboration d'une stratégie de calcul en dynamique des grandes structures : Développement et intégration des méthodes de réanalyse modale ». Valenciennes, 1989. https://ged.uphf.fr/nuxeo/site/esupversions/ddd3277b-ac0d-4f10-a671-4f9e5d5af490.
Texte intégralLivres sur le sujet "Analyses modales"
Egan-Buffet, Máire. Les chansons de Claude Goudimel : Analyses modales et stylistiques. Ottawa : Institute of Mediaeval Music, 1992.
Trouver le texte intégralUnited States. National Aeronautics and Space Administration., dir. Asymptotic model analysis and statistical energy analysis. [Washington, DC : National Aeronautics and Space Administration, 1992.
Trouver le texte intégralAu, Siu-Kui. Operational Modal Analysis. Singapore : Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4118-1.
Texte intégralSainz, Miguel A., Joaquim Armengol, Remei Calm, Pau Herrero, Lambert Jorba et Josep Vehi. Modal Interval Analysis. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-01721-1.
Texte intégralMontalvão e Silva, J. M. 1945-, Maia, Nuno Manuel Mendes, 1956- et NATO Advanced Study Institute on Modal Analysis and Testing (1998 : Sezimbra, Portugal), dir. Modal analysis and testing. Dordrecht : Kluwer Academic Publishers, 1999.
Trouver le texte intégralLisowski, Wojciech. Wybrane problemy automatyzacji eksperymentalnej analizy modalnej. Kraków : AGH Uczelniane Wydawnictwa Naukowo-Dydaktyczne, 2006.
Trouver le texte intégralSilva, Júlio M. M. Modal Analysis and Testing. Dordrecht : Springer Netherlands, 1999.
Trouver le texte intégralSilva, Júlio M. M., et Nuno M. M. Maia, dir. Modal Analysis and Testing. Dordrecht : Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4503-9.
Texte intégralXu, Hua. Multi-Modal Sentiment Analysis. Singapore : Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-5776-7.
Texte intégralCarney, Kelly S. Implementation of the block-Krylov boundary flexibilty method of component synthesis. [Washington, DC : National Aeronautics and Space Administration, 1993.
Trouver le texte intégralChapitres de livres sur le sujet "Analyses modales"
Weinmann, Alexander. « Modale Ordnungsreduzierung ». Dans Regelungen Analyse und technischer Entwurf, 161–67. Vienna : Springer Vienna, 1986. http://dx.doi.org/10.1007/978-3-7091-6994-0_26.
Texte intégralWeinmann, Alexander. « Modale Ordnungsreduzierung ». Dans Regelungen — Analyse und technischer Entwurf, 112–18. Vienna : Springer Vienna, 1987. http://dx.doi.org/10.1007/978-3-7091-4446-6_7.
Texte intégralWijker, Jaap. « Modal Analysis ». Dans Mechanical Vibrations in Spacecraft Design, 73–93. Berlin, Heidelberg : Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-08587-5_5.
Texte intégralGans, Roger F. « Modal Analysis ». Dans Mechanical Systems, 129–71. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-08371-1_4.
Texte intégralSchmitz, Tony L., et Kevin S. Smith. « Modal Analysis ». Dans Machining Dynamics, 7–57. Boston, MA : Springer US, 2009. http://dx.doi.org/10.1007/978-0-387-09645-2_2.
Texte intégralSchmitz, Tony L., et K. Scott Smith. « Modal Analysis ». Dans Machining Dynamics, 7–66. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-93707-6_2.
Texte intégralNikitas, Nikolaos, John Hugh George Macdonald et Konstantinos Daniel Tsavdaridis. « Modal Analysis ». Dans Encyclopedia of Earthquake Engineering, 1–22. Berlin, Heidelberg : Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-36197-5_132-1.
Texte intégralRossing, Thomas D. « Modal Analysis ». Dans Springer Handbook of Acoustics, 1165–77. New York, NY : Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-0755-7_28.
Texte intégralNikitas, Nikolaos, John Hugh George Macdonald et Konstantinos Daniel Tsavdaridis. « Modal Analysis ». Dans Encyclopedia of Earthquake Engineering, 1505–22. Berlin, Heidelberg : Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-35344-4_132.
Texte intégralRücker, Werner. « Modal Analysis ». Dans Handbook of Technical Diagnostics, 109–20. Berlin, Heidelberg : Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-25850-3_6.
Texte intégralActes de conférences sur le sujet "Analyses modales"
Xing, Xing, et Brian F. Feeny. « Complex Modal Analysis of Non-Modally Damped Wind Turbine Blade ». Dans ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46620.
Texte intégralSébastien, Clesse. « Analysis of the Planck data ». Dans 10th Modave Summer School in Mathematical Physics. Trieste, Italy : Sissa Medialab, 2015. http://dx.doi.org/10.22323/1.232.0003.
Texte intégralChen, Changping, et Liming Dai. « The Nonlinear Internal Resonance Analysis of a Rotary Truncated Conical Shell ». Dans ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-13775.
Texte intégralXing, Xing, et Brian F. Feeny. « Complex Modal Analysis of a Non-Modally Damped Continuous Beam ». Dans ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-12078.
Texte intégralSchoenherr, Tyler, et Jelena Paripovic. « Using Modal Projection Error to Evaluate SEREP Modal Expansion. » Dans Proposed for presentation at the International Modal Analysis Conference. US DOE, 2020. http://dx.doi.org/10.2172/1836892.
Texte intégralSchoenherr, Tyler, et Julie Pham. « Using Parameterized Optimization to Model a Slip table. » Dans Proposed for presentation at the International Modal Analysis Conference. US DOE, 2020. http://dx.doi.org/10.2172/1836891.
Texte intégralPacini, Benjamin, Robert Kuether et Daniel Roettgen. « An Investigation into Shaker-Structure Interaction During Nonlinear Force Appropriation Testing (Submission 10073). » Dans Proposed for presentation at the International Modal Analysis Conference. US DOE, 2020. http://dx.doi.org/10.2172/1837394.
Texte intégralDean, Matthew, et Benjamin Pacini. « An Investigation of Multiple Phase-Locked Loop Control Methods for Nonlinear Force Appropriation Testing (Submission 10072). » Dans Proposed for presentation at the International Modal Analysis Conference. US DOE, 2020. http://dx.doi.org/10.2172/1837393.
Texte intégralSchoenherr, Tyler. « Dynamic Environments Testing Focus Group. » Dans Proposed for presentation at the International Modal Analysis Conference. US DOE, 2021. http://dx.doi.org/10.2172/1844306.
Texte intégralGuo, Dan, Fu-Lei Chu et Yong-Yong He. « Vibration Analysis of Rotor With Transverse Surface Cracks ». Dans ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/gt2003-38041.
Texte intégralRapports d'organisations sur le sujet "Analyses modales"
Davies, Rowan, et Frank Pfenning. A Modal Analysis of Staged Computation. Fort Belvoir, VA : Defense Technical Information Center, août 1999. http://dx.doi.org/10.21236/ada367677.
Texte intégralDavies, Rowan, et Frank Pfenning. A Modal Analysis of Staged Computation,. Fort Belvoir, VA : Defense Technical Information Center, mai 1995. http://dx.doi.org/10.21236/ada296537.
Texte intégralSpencer, Nathan. Impeller deflection and modal finite element analysis. Office of Scientific and Technical Information (OSTI), octobre 2013. http://dx.doi.org/10.2172/1096476.
Texte intégralFahnline, JB, RL Campbell et SA Hambric. Modal Analysis Using the Singular Value Decomposition. Office of Scientific and Technical Information (OSTI), février 2004. http://dx.doi.org/10.2172/836294.
Texte intégralBezler, P., J. R. Curreri, Y. K. Wang et A. K. Gupta. Alternate modal combination methods in response spectrum analysis. Office of Scientific and Technical Information (OSTI), octobre 1990. http://dx.doi.org/10.2172/6433723.
Texte intégralBerman, Morris. Modal Analysis of the Prototype Heavy Composite Hull. Fort Belvoir, VA : Defense Technical Information Center, février 1998. http://dx.doi.org/10.21236/ada338057.
Texte intégralSparger, Adam, et Nick Marathon. Transportation of U.S. Grains : A Modal Share Analysis. U.S. Dept. of Agriculture, Agricultural Marketing Service, mai 2013. http://dx.doi.org/10.9752/ts049.05-2013.
Texte intégralGast, Ronald G., et H. J. Sneck. Modal Analysis of Nonprismatic Beams - Uniform Segment Method. Fort Belvoir, VA : Defense Technical Information Center, décembre 1989. http://dx.doi.org/10.21236/ada216952.
Texte intégralMolitoris, Heather. Modal Analysis of a Heavy Tactical Wheeled Vehicle. Fort Belvoir, VA : Defense Technical Information Center, août 2007. http://dx.doi.org/10.21236/ada472959.
Texte intégralDagle, J. E. Modal analysis of multiterminal high voltage direct current transmission. Office of Scientific and Technical Information (OSTI), décembre 1993. http://dx.doi.org/10.2172/10120958.
Texte intégral