Abstract
In this paper, an analytical model to describe the dynamic characteristics of the test system was presented. Test system, which was the object under considerations, is designed for fatigue life determination of structural materials using bending moment resulting from inertia forces. Therefore, the test system was modelled with regard to one and two degrees of freedom system. The general analytical equations were solved and simulated in Matlab-Simulink using general method and symbolic method based on Laplace transforms field. Moreover, it was also presented further experimental determination of the logarithmic damping decrement based on measurement of acceleration using uniaxial accelerometers. Finally, dynamic characteristics of the test system was determined based on the finite element method and confirmed experimentally the correctness of all assumptions according to the number of degree of freedom and damping behaviour.
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Owsiński, R., Niesłony, A. (2016). Analytical Model of Dynamic Behaviour of Fatigue Test Stand—Description and Experimental Validation. In: Awrejcewicz, J. (eds) Dynamical Systems: Modelling. DSTA 2015. Springer Proceedings in Mathematics & Statistics, vol 181. Springer, Cham. https://doi.org/10.1007/978-3-319-42402-6_24
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DOI: https://doi.org/10.1007/978-3-319-42402-6_24
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