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Dissertations / Theses on the topic 'Axial fatigue'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Poeppelman, Chad M. "Axial and Torsion Fatigue of High Hardness Steels." University of Toledo / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1301599712.

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2

Slevar, Amy E. "Mechanical fatigue in a magnetically levitated axial blood pump /." Online version of thesis, 2007. http://hdl.handle.net/1850/4893.

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Bulusu, Prashant. "Rolling contact fatigue predictions based on elastic-plastic finite element stress analysis and multiaxial fatigue /." abstract and full text PDF (free order & download UNR users only), 2006. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1437664.

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Thesis (M.S.)--University of Nevada, Reno, 2006.<br>"August, 2006." Includes bibliographical references (leaves 38-45). Library also has microfilm. Ann Arbor, Mich. : ProQuest Information and Learning Company, [2006]. 1 microfilm reel ; 35 mm. Online version available on the World Wide Web.

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4

Barros, Cainã Bemfica de. "Fatigue and cyclic plasticity of 304L stainless steel under axial, torsional and proportional axial-torsional loading." reponame:Repositório Institucional da UnB, 2018. http://repositorio.unb.br/handle/10482/31953.

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Dissertação (mestrado)—Universidade de Brasília, Faculdade de Tecnologia, Departamento de Engenharia Mecânica, 2018.<br>Submitted by Raquel Almeida (raquel.df13@gmail.com) on 2018-05-07T18:41:32Z No. of bitstreams: 1 2018_CainãBemficadeBarros.pdf: 12251436 bytes, checksum: 876fa05cf00aed82da7e296be39eec5e (MD5)<br>Approved for entry into archive by Raquel Viana (raquelviana@bce.unb.br) on 2018-05-23T11:34:13Z (GMT) No. of bitstreams: 1 2018_CainãBemficadeBarros.pdf: 12251436 bytes, checksum: 876fa05cf00aed82da7e296be39eec5e (MD5)<br>Made available in DSpace on 2018-05-23T11:34:13Z (GMT). No. o

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5

Busca, Damien. "Identification du comportement de composites en fatigue bi-axiale." Phd thesis, Toulouse, INPT, 2014. http://oatao.univ-toulouse.fr/12145/1/busca.pdf.

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La connaissance du comportement de composites sous un état de contraintes multi-axial reste un enjeu majeur pour l’optimisation du dimensionnement des structures. La machine de fatigue bi-axiale présente au LGP permet de générer un état de contrainte bi-axial par l’utilisation d’éprouvettes cruciformes. La conception des éprouvettes reste un enjeu majeur pour les chercheurs pour répondre aux problèmes spécifiques liés aux matériaux composites. Un nouveau type d’éprouvette cruciforme en composite sera conçu en lien avec les problématiques liées au procédé d’infusion de résine liquide (LRI). Il

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6

LOUATI, HAMDI. "Etude du comportement en fatigue par chargement axial des revetements bitumeux." Paris, ENSAM, 1995. http://www.theses.fr/1995ENAM0015.

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Ce travail comporte deux developpements. Le premier est la definition et la mise en uvre d'une methode d'essai de fatigue des revetements bitumineux par chargement axial. Le second est la prevision et la validation de l'endommagement couple aux effets thermiques. Le dispositif de commande en deformation imposee presente la difficulte majeure de l'essai de fatigue par chargement axial. Nous avons defini realise et calibre un extensometre fonde sur la technologie des jauges resistives. Le comportement observe des enrobes bitumineux au cours de cette campagne d'essai est analogue a celui obtenu p

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Scott-Emuakpor, Onome Ejaro. "Development of a novel energy-based method for multi-axial fatigue strength assessment." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1196280356.

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8

Ketcham, Jerod W. "Design, build and test of an axial flow hydrokinetic turbine with fatigue analysis." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/10945/4943.

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CIVINS<br>Approved for public release; distribution is unlimited<br>OpenProp is an open source propeller and turbine design and analysis code that has been in development since 2007 by MIT graduate students under the supervision of Professor Richard Kimball. In order to test the performance predictions of OpenProp for axial flow hydrokinetic turbines, a test fixture was designed and constructed, and a model scale turbine was tested. Tests were conducted in the MIT water tunnel for tip speed ratios ranging from 1.55 to 7.73. Additional code was also written and added to OpenProp in order to imp

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9

Kraincanic, Ivana. "Analysis of the coupled axial/torsional behaviour of spiral strands, wire ropes and locked coil cables." Thesis, London South Bank University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336370.

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Extensive comparative studies have been undertaken on various theoretical approaches used for analysing spiral strands, in order to identify their appropriate ranges of applicability. Based on the findings of this exercise, a theoretical model is proposed for analysing the coupled axial/torsional response of a stranded wire rope with either an independentwire rope or fibre core. A theoretical model is also proposed for the analysis ofaxial/torsionai coupling of locked coil cables, regarding which, there was previously a . paucity of reliable analytical or experimental information, despite thei

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10

Vashishth, Deepak. "Fracture of cortical bone under controlled crack propagation and combined axial-torsional fatigue loading." Thesis, Queen Mary, University of London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264997.

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11

Juneja, Lokesh Kumar. "Multiaxial fatigue damage model for random amplitude loading histories." Thesis, Virginia Tech, 1992. http://hdl.handle.net/10919/41522.

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In spite of many multiaxial fatigue life prediction methods proposed over decades of research, no universally accepted approach yet exists. A multiaxial fatigue damage model developed for approximately proportional random amplitude loading is proposed in this study. A normal strain based analysis incorporating the multiaxial state of stress is conducted along a critical orientation assuming a constant strain ratio. The dominant deformation direction is chosen to be the critical orientation which is selected with the help of a principal strain histogram generated from the given multiaxial loadi

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12

Endersby, Stephen. "Numerical analysis of a thick cylinder in the presence of cracked crossbore and axial holes." Thesis, Northumbria University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245277.

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13

Williams, Zachary. "Krouse Fatigue for Metals with Elevated Mean Stress." Ohio University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1597075964521893.

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14

Giandolini, Marlène. "Gestion de l'impact et de la fatigue neuromusculaire en trail running." Thesis, Saint-Etienne, 2015. http://www.theses.fr/2015STET009T/document.

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Bien que constitué anatomiquement et physiologiquement pour la course d’endurance, l’Homme est considérablement exposés à diverses blessures musculo-squelettiques liées à la répétition de contraintes mécaniques. Le coureur de trail running par exemple est soumis à de nombreux impacts ainsi qu’à une fatigue et des dommages musculaires sévères. Ces chocs répétitifs et dommages musculaires réduiraient la tolérance du coureur face aux contraintes mécaniques le poussant ainsi à altérer sa cinématique de course. Par conséquent, minimiser les dommages musculo-squelettiques serait déterminant pour la

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15

Ryman, John Franklin. "Prediction of Inlet Distortion Transfer Through the Blade Rows in a Transonic Axial Compressor." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/43207.

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Inlet total pressure non-uniformities in axial flow fans and compressors can contribute to the loss of component structural integrity through high cycle fatigue (HCF) induced by the excitation of blade vibratory modes. As previous research has shown total pressure distortion to be the dominant HCF driver in aero engines [Manwaring et al, 1997], an understanding of its transfer through, and impact on, subsequent turbomachine stages and engine components is an important topic for assessment. Since current modeling techniques allow for total pressure distortion magnitudes to be directly related

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16

Morgan, Kristin. "THE USE OF A TRI-AXIAL ACCELEROMETER TO MEASURE CHANGES IN LOWER EXTREMITY FATIGUE DURING FUNCTIONAL ACTIVITY." VCU Scholars Compass, 2009. http://scholarscompass.vcu.edu/etd/1924.

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In 2004, the National Collegiate Athletic Association reported ankle sprain as the most frequent injury in soccer, basketball, and volleyball players. Further research found an increased likelihood with fatigue. Measuring fatigue during functional activities has been a longstanding problem. In this study, changes in ankle biomechanics were measured using a tri-axial accelerometer embedded in the shoe as subjects (n=12) performed a fatiguing activity. Data were collected from the accelerometer and from established devices that are considered the industry gold standard. Several kinetic and kine

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17

Raba, Alexander [Verfasser]. "Fatigue behaviour of submerged axially loaded grouted connections : Ermüdungsverhalten unter Wasser liegender axial beanspruchter Grout-Verbindungen / Alexander Raba." Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2018. http://d-nb.info/1172414432/34.

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18

Bertin, Morgan. "Mechanical and fatigue properties of bellows determined with Integrated DIC and IR Thermography." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLN031/document.

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Afin de participer à l’émergence de technologies innovantes et contribuer aux objectifs de développement durable, un consortium composé de 13 partenaires (3 laboratoires académiques et 10 entreprises industrielles) a été formé. Le projet Thermofluid-RT consiste à développer un système de refroidissement à boucle de fluide diphasique à pompage mécanique. Le LMT-Cachan contribue à la conception de l'élément essentiel de la pompe, à savoir, le soufflet. Celui-ci est obtenu en soudant des feuilles d’acier inoxydable à durcissement structural très mince (70 µm) et doit fonctionner sans défaillance

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Shingu, Patrick, and Cabrera Miguel Garcia. "Analysis of fan blade attachment." Thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-9972.

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This thesis work is based on the analysis of a fan blade attachment whereby a complete 3D model is presented by a partner company. The acceptability of a new design regarding the mechanical loads consisting of dividing the hub into two parts instead of using a solid hub is studied. From the model some critical parameters for the attachment of the blade with respect to the stresses are chosen such as the rotational speed, fillet size of the blade and the neck size of the blade. Parametric studies of these parameters are carried out in order to suggest the new design. Bearing in mind that a safe

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20

Yeung, Kwai-wing. "Elastic-plastic analysis of rolling elliptical contacts and the effects of axial superimposed stresses on rolling contact fatigue failure /." [Hong Kong] : University of Hong Kong, 1987. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12333669.

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21

Luedke, Jonathan Glenn. "Use of Nonlinear Volterra Theory in Predicting the Propagation of Non-uniform Flow Through an Axial Compressor." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/35995.

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Total pressure non-uniformities in an axial flow compressor can contribute to losses in aerodynamic operability through a reduction in stall margin, pressure rise and mass flow, and to loss of structural integrity through means of high cycle fatigue (HCF). HCF is a primary mechanism of blade failure caused by vibrations at levels exceeding material endurance limits. Previous research has shown total pressure distortions to be the dominant HCF driver in aero engines, and has demonstrated the damaging results of total pressure distortion induced HCF on first stage fan and compressor blade rows

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22

Hottin, Andréas. "Fatigue thermomécanique des élastomères : critère de durée de vie basé sur l'endommagement avec prise en compte du vieillissement physico-chimique." Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILN001.

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Grâce à leurs propriétés mécaniques particulières, notamment leur capacité à subir de grandes déformations d'une part, et à dissiper de l'énergie d'autre part, les élastomères chargés sont employés dans de nombreux domaines industriels et plus particulièrement dans celui des transports. En service, la plupart des composants sont soumis à des sollicitations cycliques et les chargements sont souvent multiaxiaux et non-relaxants. L'optimisation de tels composants en termes de durée de vie nécessitent de mettre en place des outils prédictifs permettant de quantifier leur tenue mécanique pour ces c

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23

Morgan, Lauren Jayne. "The influence of whole-body vibration and axial rotation on musculoskeletal discomfort of the neck and trunk." Thesis, Loughborough University, 2011. https://dspace.lboro.ac.uk/2134/9138.

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Elements of an individuals occupational exposure, such as their posture can affect their comfort during work, and also their long term musculoskeletal health. Knowledge as to the extent of the influence of particular aspects of the exposures can help in providing guidance on risk evaluation, and direct future technical design focus. In many situations the exposures interact, and even if the effects of individual exposures are understood, the interactions are often less so. This is certainly the case with off-road driving exposures. Specific investigations have focussed on the effects of vibrat

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Rameau, Jean-Michel. "Multi-axial damage and failure models for thick composite lugs under static and cyclic loading." Thesis, KTH, Lättkonstruktioner, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-185174.

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The thesis deals with quasi-static and fatigue simulations of thick composite lugs subjected to three-dimensional stress states. This includes damage prediction of hybrid laminates made of GRFP and CRFP containing unidirectional and woven fabric plies.Focus lies on the development of a progressive damage model in fatigue which accounts for sti˙ness and strength degra-dations. Two methods based on Puck’s failure criterion are proposed to predict failure of unidirectional plies: one for plane stress analysis and and the other which takes out-of-plane damage into account.Virtual testing in FEM is

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25

Delattre, Alexis. "Caractérisation et modélisation du comportement hyper-viscoelastique d'un élastomère chargé pour la simulation de pièces lamifiées élastomère-métal et étude en fatigue." Thesis, Tours, 2014. http://www.theses.fr/2014TOUR4039/document.

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Dans le cadre d’une Cifre avec Airbus Helicopters, le projet a pour but le développement d’un modèle pour le pré-dimensionnement de pièces lamifiées élastomère-métal dont le rôle est critique en termes de conception et de sécurité pour les architectures de rotors d’hélicoptères. Pour cela, un premier volet de la thèse a consisté à caractériser le comportement élasto-dissipatif du matériau d’étude (un butadiène chargé de noir de carbone) via une campagne d’essais statiques et dynamiques, sous différents modes de sollicitations (uniaxiales et biaxiales) et sur un spectre assez large de fréquence

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Walander, Tomas. "Influences of temperature, fatigue and mixed mode loading on the cohesive properties of adhesive layers." Doctoral thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-10972.

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This thesis concerns some aspects that have influence on the strength of adhesive layers. The strength is determined by the stress deformation-relation of the layer. This relation is also referred to as cohesive law. The aspects having influence on the cohesive laws that are studied in this work are temperature, fatigue, multi-axial fatigue and mixed mode loading. For each aspect, a model is developed that can be used to describe the influence of the aspects on the cohesive laws numerically, e.g. by using the finite element method. These models are shown to give good agreement with the experim

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Dhamari, Ruby Dharma Adji Aerospace Civil &amp Mechanical Engineering Australian Defence Force Academy UNSW. "The effects of water displacing corrosion preventatives on the fatigue behaviour of mechanically fastened aluminium joints." Awarded by:University of New South Wales - Australian Defence Force Academy. School of Aerospace, Civil and Mechanical Engineering, 2005. http://handle.unsw.edu.au/1959.4/38668.

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Two failure mechanisms in a double lap joint are investigated. Analytical models of net-section and gross-section failure modes are proposed to describe these mechanisms. The effects of lamping force, interference fit, maximum axial load and WDCP on fatigue performance of the joint are included in the models. The effect of WDCP is assumed to give a reduction in friction coefficient. Three types of stress reduction factors are proposed in the net-section failure model to account for these parameters. The stress reduction factors modify stress range that is used in crack growth calculation. If t

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Dantas, João Paulo Ribeiro. "Investigação experimental da fadiga em lajes de pontes armadas com barras ou telas soldadas." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/3/3144/tde-20102010-160417/.

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Este trabalho apresenta estudos, ensaios e análises de resultados a respeito do comportamento à fadiga das estruturas de concreto armadas com barras isoladas e telas soldadas, começando pelas lajes de pontes, seus elementos mais sensíveis à fadiga. A parte experimental desta pesquisa consiste na investigação experimental do comportamento à fadiga de lajes de concreto armado, executadas com e sem pré-lajes armadas com barras de aço isoladas ou em tela soldada. Foram realizados ensaios de fadiga de barra ao ar em 36 corpos de prova de CA50 f10 mm, isoladas e em tela, com o objetivo de construir

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29

VENTURINI, SIMONE. "Design methodologies for automotive steel wheels." Doctoral thesis, Politecnico di Torino, 2022. http://hdl.handle.net/11583/2971317.

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ZANELLATI, Davide. "PROVE A FATICA MULTI-ASSIALE SU SHAKER ELETTRO-DINAMICO: PROGETTAZIONE, SIMULAZIONI NUMERICHE E RISULTATI SPERIMENTALI." Doctoral thesis, Università degli studi di Ferrara, 2019. http://hdl.handle.net/11392/2488038.

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Nella valutazione della durabilità strutturale, oltre all'uso dei metodi teorici e numerici, è consuetudine svolgere prove sperimentali per stimare direttamente la resistenza del materiale a seguito dell’applicazione di carichi esterni. L’interesse è spesso ristretto a carichi di flesso-torsione, considerati molto comuni nelle applicazioni ingegneristiche. Nel corso degli anni sono state proposte diverse metodologie di prova che differiscono in termini di macchine utilizzate, geometria dei campioni e tipo di eccitazione, nessuna delle quali purtroppo in grado di applicare sul provino un carico

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Vrbka, Dušan. "Návrh axiálního stromečkového závěsu lopatky regulačního stupně pro parní turbíny." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229868.

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This master thesis deals with axial dendritic suspension of steam turbine rotor blade. The initial shape of the suspension was design on the basis of available data. There was performed stress-strain analysis of this shape and most dangerous spots were picked. There were made several geometrical changes of the shape of suspension. Their affection on stress-strain responding of the suspension was examined. The best shape was chosen which was used to perform analysis of infinite life according to ASME code and due to loading low cycle fatigue analysis. According to results of low cycle fatigue a

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32

Robert, Jean-Louis. "Contribution à l’étude de la fatigue multi axiale sous sollicitations periodiques ou aléatoires." Lyon, INSA, 1992. http://www.theses.fr/1992ISAL0004.

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La finalité de cette thèse concerne l'estimation de la durée de vie en fatigue multi-axiale sous chargement aléatoire. L'idée de base, qui est d'adapter les critères de durée de vie illimitée et les méthodes de comptage Rainflow à ce problème, requiert donc une étude préalable dans ces 2 domaines. D'abord 5 critères "classiques" de fatigue pour des sollicitations périodiques multi-axiales sont analysés. Un nouveau critère est formulé, à partir des composantes normales et tangentielles s'exerçant sur une facette critique. La comparaison de tous les critères est établie à l'aide de 100 essais de

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Mansur, André Lessa. "Análise dinâmica não-linear de viga esbelta semi-infinita sob flexão composta com contato unilateral em apoio elástico: uma aplicação ao estudo de vibrações de risers em catenária." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/3/3144/tde-01062011-130536/.

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Este trabalho visa a avaliar os efeitos dinâmicos em vigas esbeltas semi-infinitas com contato unilateral em apoio elástico sob flexão composta, e sua possível aplicação a dutos flexíveis de extração de petróleo offshore em configuração de catenária (Steel Catenary Risers) provocados por esforços de movimento da plataforma. O estudo se desenvolve com formulação de vigas semi-infinitas em duas dimensões (2D) com suporte unilateral elástico, considerando-se inicialmente apenas efeito de flexão, à qual se aplica o método das múltiplas escalas (MME) para obtenção dos modos de vibração, e posterior

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34

Lorrain, Bernard. "Etude des phénomènes de fatigue sous sollicitation uni-axiale d'un composite à matrice céramique." Toulouse 3, 1994. http://www.theses.fr/1994TOU30138.

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Des essais de fatigue ont été menés à température ambiante sur un matériau composite à matrice céramique (C-SIC) originellement fissuré. Une ACQUISITION A SEUIL A ETE MISE EN PLACE POUR RENDRE COMPTE DE L'EVOLUTION DE L'ENDOMMAGEMENT EN TEMPS REEL, AINSI QU'UNE PROCEDURE D'ESSAI SPECIFIQUE: MISE EN COMPRESSION POUR CALCULER LE MODULE INITIAL, FATIGUE UNI-AXIALE A DIVERS NIVEAUX DE TRACTION ET COMPRESSION, RUPTURE DES EPROUVETTES PAR ESSAI MONOTONE DE CHARGEMENT-DECHARGEMENT APRES FATIGUE POUR ESTIMER LA TENUE RESIDUELLE DU MATERIAU. LE COMPORTEMENT DU MATERIAU A ETE MODELISE EN STATIQUE A PART

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35

Januš, Ondřej. "Navrhování konstrukcí s FRP výztuží." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240234.

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The diploma thesis presents design of construction with FRP reinforcement. Including design process of cross-section with FRP reinforcement exposed to bending moment and shear force at ultimate limite state according to given standards and guidelines. Long term physical and mechanical properties of FRPs are taking into account. There are also compared load capacities of cross-section exposed to combination of bending moment and axial force, which were designed according to mentioned standards. In another part of diploma thesis there is a design of construction (precast gatehouse) with FRP rein

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Chang, Yen-tsung, and 張晏聰. "Vision Based Single-Axial Pneumatic Fatigue Testing Machine." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/95756106040761239834.

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碩士<br>國立臺灣科技大學<br>機械工程系<br>99<br>The pneumatic fatigue testing machine for badminton rackets is generally set up by limit switches and pneumatic on/off values. Its position control performance needs to be improved. This thesis proposes a vision-based pneumatic servo control system to improve the badminton rackets fatigue testing performance. CCD camera is a non-contacted displacement. To associate with the Self-organizing sliding mode fuzzy controller (SOSMFC), it can be implemented for low frequency fatigue testing. Experimental results indicates that SOSMFC is feasible for various commends a

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Chi, Whei-Ming, and 祁慧明. "Cyclic Torsion on Axial Fatigue Behavior for CFRP Composite." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/48594518673518083867.

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38

郭家泰. "The Influence of Thermal-Reforming repair on the Tension-Tension Fatigue Behavior of the Gr/PEEK Laminates under Torsion Fatigue and Axial Fatigue." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/81343333951933587494.

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39

Tso, Wei-hsiung, and 左維雄. "Comparative Implementations of a DSP -Based Two-Axial Electrohydraulic Fatigue Testing Rig." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/33697633414381375862.

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碩士<br>國立臺灣科技大學<br>機械工程系<br>96<br>In this paper, a double-axial fatigue testing machine is setup by two sets of single-axial electrohydraulic subsystems controlled by digital signal processors individually. The fatigue tested equipment is a beam-type structure. Then, via the internet, the testing data could be real-time displayed in a remote monitor. This system is basically a nonlinear coupled TITO system. By treating this system as a decoupled system, each subsystem has significant structure interactions, parametric uncertainties and nonlinearities. To compare with other control algorithms, t

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40

Chuang, Yu-Fong, and 莊裕峰. "Comparative Implementations of Fuzzy Control Using a DSP Double-Axial Electrohydraulic Fatigue Testing Rig." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/8d243c.

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碩士<br>國立臺灣科技大學<br>機械工程系<br>95<br>In this reasearch, a double-axial fatigue testing machine is setup by two sets of single-axial electrohydraulic subsystems controlled by digital signal processors individually. The fatigue tested equipment is a beam-type structure. Then, via the internet, the testing data could be real-time displayed in a remote monitor. This system is basically a nonlinear coupled TITO system. By treating this system as a decoupled system, each subsystem has significant structure interactions, parametric uncertainties and nonlinearities. To compare with other control algorithm

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Lombardi, Roberto. "Investigation and modelling of mechanical and fatigue behavior of rubber compounds under multi-axial loading conditions." Tesi di dottorato, 2016. http://www.fedoa.unina.it/10911/1/Lombardi_Roberto_27.pdf.

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The mechanical and fatigue behavior of different rubber compounds is investigated under multi-axial loading mode by means of a dedicated multi-axial device. The stress-strain behavior has been also interpreted using several constitutive models, both hyperelastic and viscoelastic. The fatigue behavior has been judged using 1) the classical energetic approach and 2) a new methodology based on the combination of J-integral approach and digital image correlation technique (DIC) whose general validity makes it suitable for the interpretation of fatigue data under general loading mode.

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