SFB 837-Webinar: Unusual Vibration Phenomena in Thin Walled Structures


Prof. Francesco Pellicano (Intermech-MORE Centre, Dept. of Engineering „Enzo Ferrari“, University of Modena and Reggio Emilia, Italy) will hold a guest lecture in the framework of SFB 837 about 'Unusual Vibration Phenomena in Thin Walled Structures'.

This guest lecture will be held as SFB 837-Webinar via Zoom:
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Meeting-ID: 977 0900 8743
Passwort: 656500

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Abstract of the lecture:
In the recent years the characterization of thin-walled structure dynamics has received great interest from the scientific community due to the complexity of such structures and the wide range of applications in Engineering from macro to nanoscales: aircrafts, missiles, propellant tanks, heat exchangers, micro-electro-mechanical systems, nanotubes, etc.

A series of experiments were recently carried out in the Vibration and Powertrain Lab with the goal of investigating the influence of the environment on the dynamics of shells and the onset of novel and unknown kind of behaviors. In particular, the following aspects of the shell dynamics are investigated: thermal conditions, type of forcing, fluid structure interaction.

Experiments show the extreme complexity of the dynamic scenario. Transitions from deterministic to chaos and vice-versa are evidenced: when the excitation is harmonic (deterministic) the response can be periodic, quasiperiodic or chaotic; when the excitation is random the synchronization, and extremely uncommon, phenomenon can lead to a periodic response even though a random response is generally expected.


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