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      Fatigue life assessment of the driving shaft of a LCV by FEA using customer correlation data Translated title: Lebensdauerabschätzung für eine Antriebswelle eines leichten Nutzfahrzeuges mittels FEA unter Verwendung von Nutzerdaten

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      Materials Testing
      Carl Hanser Verlag

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          Abstract

          In this study, an accelerated test track construction necessary during research and development phase of light commercial vehicles (LCV) is described. By the questionary method, the Turkish customer automotive usages are defined. This paper focuses on defining load spectrum affected by driving shaft torque during acceleration, breaking and different manoeuvres and equivalent fatigue damage of the driving shaft resulting from accelerated tests on a route. Fatigue analysis and estimated lifetime of the part were calculated using finite element analyses (FEA) and verified by the Palmgren-Miner rule. When as customer profile the Turkish automotive user is taken into consideration and accelerated test tracks are designed for reliability and fatigue tests of the related company, linear FEA of the driving shaft represents a convenient procedure.

          Kurzfassung

          In der diesem Beitrag zugrunde liegenden Studie wurde eine beschleunigte Versuchsstreckenkonstruktion beschrieben, die für die Forschung und Entwicklung von leichten Nutzfahrzeugen (Light Commercial Vehicles (LCV)) notwendig war. Hierzu wurden mittels eines entsprechenden Fragebogenverfahrens türkische Fahrzeugnutzungsprofile definiert. Der vorliegende Beitrag konzentriert sich auf die Defintion des Lastspektrums, das durch die Torsion der Antriebswelle beeinflusst wird, und zwar bei Beschleunigung, beim Bremsen und bei verschiedenen Manövern sowie bei entsprechender Ermüdungsschädigung der Antriebswelle, die aus beschleunigten Versuchen auf einer Route resultiert. Die Ermüdungsanalyse und die geschätzte Lebensdauer des Teils wurden mittels Finite Elemente Analyse (FEA) berechnet und mittels der Palmgren-Miner-Regel verifiziert. Wenn ein Nutzungsprofil des türkischen Automobilverbrauchers berücksichtigt wird und beschleunigte Versuche für Zuverlässigkeits- und Ermüdungsversuche für das entsprechende Unternehmen designed werden, stellt die lineare FEA der Antriebswelle ein geeignetes Verfahren dar.

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          Most cited references10

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          Cumulative Damage in Fatigue

          The phenomenon of cumulative damage under repeated loads was assumed to be related to the net work absorbed by a specimen. The number of loading cycles applied expressed as a percentage of the number to failure at a given stress level would be the proportion of useful life expended. When the total damage, as defined by this concept, reached 100 per cent, the fatigue specimen should fail. Experimental verification of this concept for an aluminum alloy, using different types of specimens, various stress ratios, and various combinations of loading cycles is presented. These data are also analyzed to provide information on different stress ratios when an S-N curve for any one ratio is known. Results of a sample analysis based on experiments are given. It is concluded that a simple and conservative analysis is possible using the concept of cumulative fatigue damage.
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            Comparing road profiles with vehicle perceived roughness

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              A practical approach to virtual testing in automotive engineering

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                Author and article information

                Journal
                mp
                Materials Testing
                Carl Hanser Verlag
                0025-5300
                2195-8572
                4 April 2016
                : 58
                : 4
                : 325-332
                Affiliations
                1 Istanbul, Turkey
                Author notes
                [* ] Correspondence Address, Assist. Prof. Dr. Arif Şenol Şener, Department of Automotive Engineering, Cihangir Mahallesi Sehit Piyade Onbasi Murat Sengoz Sokak No:8 Avcilar, Istanbul, Turkey. E-mail: arifsenolsener@ 123456gmail.com , assener@ 123456gelisim.edu.tr

                Arif Şenol Şener is Assistant Professor in the Department of Automotive Engineering, Istanbul Gelisim University, Istanbul, Turkey. Prior to that, he worked as quality and R & D chef at FIAT company for 16 years. He obtained his PhD degree from the Institute of Science and Technology of Yildiz Technical University, Istanbul, Turkey in 2003. His research areas include automotive customer usage correlation, road test data collection and fatigue life prediction based on finite element analysis.

                Article
                MP110861
                10.3139/120.110861
                ef68623a-b51f-4510-8e0f-6432cfc94314
                © 2016, Carl Hanser Verlag, München
                History
                Page count
                References: 23, Pages: 8
                Categories
                Fachbeiträge/Technical Contributions

                Materials technology,Materials characterization,Materials science
                Materials technology, Materials characterization, Materials science

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