Public lecture

Investigating friction in structural dynamics: from fundamentals to physics-informed AI learning

  • 21 September 2022
  • 1:00 pm - 2:00 pm
  • Virtual IAS

IAS Visiting Fellow Prof Alice Cicirello delivers a seminar on her research - 

This seminar will cover research work carried out in the past 5 years in developing a fundamental understanding of how to model and monitor friction in structural dynamics. This work has been mainly carried out in collaboration with Dr Luca Marino. I will start with analytical and experimental investigations on a single degree of freedom system with a Coulomb friction contact, highlighting unexpected features such as an inversion point in the transmissibility function.

I will then briefly cover the extension of the approach to multi-degrees of freedom systems. Recent investigations on inferring the evolution of the friction force from measurements in a laboratory setup will be presented. Finally, advances and challenges in employing physics-informed machine learning for the evaluation of the friction force from indirect measurements will be discussed.

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