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Journal Articles Mechanics & Industry Year : 2019

Linearity investigation from a vibratory fatigue bench


High-cycle fatigue behaviour of structures can be obtained through vibratory tests using frequency response functions or transmissibilities. To this end, this study deals with the qualification of the vibratory fatigue bench developed at the Laboratory of Mechanic of Normandy. This bench uses an electrodynamic shaker which can reach excitation frequencies that are higher than conventional fatigue machines. To carry out relevant tests, the capacities of the test bench must be well known. Correlations between excitation and response were investigated to determine the allowable setpoints to maintain linearity between the input and output signals to validate our system. The difficulties related to the experiments were presented and discussed.
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hal-02534348 , version 1 (28-08-2020)



Christophe Gautrelet, Leila Khalij, Aymeric Appert, Roger Serra. Linearity investigation from a vibratory fatigue bench. Mechanics & Industry, 2019, 20 (1), pp.101. ⟨10.1051/meca/2018044⟩. ⟨hal-02534348⟩
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