Free vibration of composite sandwich beams with microstretch viscoelastic core
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CitationAydınlık, S., Kırış, A. & İnan, E. (2021). Free vibration of composite sandwich beams with microstretch viscoelastic core, Lecture Notes in Mechanical Engineering, 209-221. doi:10.1007/978-981-15-5862-7_18
In the present work, we studied a sandwich beam which is made of two thin stiff layers on top and bottom and a microstretch viscoelastic core in the middle. Here, the top and the bottom stiff layers are considered as elastic, while the inner part is taken as microstretch viscoelastic material. The free vibration of this composite beam is investigated. Differential transform method is used for the solution. The values of the frequencies obtained for microstretch case are found greater than the classical ones, as it is expected. Besides, the minimum differences between the classical frequencies and deviated classical frequencies due to the microstretch core are getting bigger for the large loss factors.
SourceLecture Notes in Mechanical Engineering
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