Research

Main field: Fundamental & applied research on thedynamics of mechanical systems and structures, in particular vibration and stability issues, using mathematical modeling, and theoretical / computational / experimental analysis. Special focus on the description, analysis and possible synthesis of nonlinear phenomena, e.g.: Vibration suppression using nonlinearity; object transport using vibrations; non-trivial effects of high-frequency excitation; deterministic chaos; wave propagation in periodic media; discontinuous systems and processes (e.g. vibroimpact, friction, clearance); and structural health monitoring using vibrations.

Publications on e.g.: Non-linear vibrations and stability; Artificial neural networks; Biomechanics; Chaotic vibrations; Vibration damping; Non-linear dynamic interaction; Vibration-induced mass transport; Friction-induced vibrations; Vibroimpact, Fast vibration phenomena/ effects of high-frequency excitation; Phononic bandgaps, Spatio-temporal material property control; Roller chain drive vibrations; Coriolis flowmeter theory; Nonlinearity detection; Flutter vibrations; Experimental bifurcation analysis; Parametric amplification; Physics-based modelling of musical instrument sound; Vibrations for Estimating Bolted Joint Integrity.

General phenomena: Non-trivial effects of high-frequency vibrations; Wave propagation in periodic structures / Phononic bandgaps; Spatio-temporal material property control; Friction induced vibrations; Vibration of fluid-conveying pipes, Vibration-induced transport; Modal interaction; Chaotic vibrations; Vibro-impact; Parametric amplification.

Application examples: Changing stiffness, damping, and equilibrium states of mechanical systems using high-frequency vibrations; Damping or isolating machine vibration using periodic variation of material properties; Quenching vibrations using nonlinearity; Trouble-shooting and improving the accuracy of Coriolis flowmeters; Understanding wind turbine yaw break noise; Using vibration for propelling robotic "insects" or "fish"; Using vibration measurement to estimate bolt tightness in e.g. wind turbine towers; Using mathematical modeling of imperfect elastic structures to synthesize realistic guitar string sound,...