Gottlieb, Oded
Professor
History Highlights:
- Oded Gottlieb is the Henri Garih Professor of Mechanical Engineering at the Technion – Israel Institute of Technology. He received his BSc (1983) and MSc (1987) from the Technion and his PhD (Ocean Engineering/Applied Math) from Oregon State University (1991). Following a postdoc at MIT (1992) he returned to the Technion (1993) where he founded and directs the Nonlinear and Chaotic Dynamical Systems Research Group. He is the recipient of the AIAA Jefferson Award (1991), the Technion Award for Innovative Interdisciplinary Research (1999), and is currently an Associate Editor of the journal Communications in Nonlinear Science and Numerical Simulations and a Subject Editor in the Journal of Sound and Vibration. The focus of his research is on nonlinear dynamical systems which are unpredictable even without random perturbations that are inherent in nature. He and his research group make use of multiple-scale asymptotics and numerical bifurcation analysis to investigate nonlinear interactions in continuum mechanical systems, and employ chaos theory to determine the nature of instabilities governed by sensitivity-to-initial conditions. Current applications include nano-resontor dynamics [e.g. synchronization in vibrating multi-functional sensor arrays] and fluid-structure interaction [e.g. stabilization of autonomous lighter-than-air aerostat oscillations in severe environmental conditions] where complex spatio-temporal dynamics and self-excited response are governed by global bifurcations.
Research Interests:
- Nonlinear and chaotic dynamical systems, global bifurcations, complexity and spatio-temporal instabilities in continuum mechanics (strings/shells/beams/elastica).
- Stability and control of nonlinear microbeams for scanning probe microscopy (SPM), modelling and estimation of mechanical properties from nonlinear dynamical experiments in nano- and micro- electromechanical systems (NEMS/MEMS).
- Fluid-structure interaction, spontaneous otoacoustic emissions (SOE) and irregular self-excited oscillations of the cochlea, vortex-induced vibration (VIV), application of bifurcation theory to ocean engineering systems.
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