Senior Fellow, CI
Professor, Departments of Astronomy and Astrophysics, and Physics, and the College
Former Director, Argonne National Laboratory
ASC Flash Center
My research is mostly in the areas of plasma astrophysics and astrophysical fluid dynamics and magnetohydrodynamics (including especially solar and stellar magnetic fields); boundary mixing instabilities; combustion modeling; applications of stochastic differential equations and optimization problems; and inverse methods. I have continued research interest overlap with the DOE/ASCI Flash Center at Chicago (which I led for its first five years); this Center has been a pioneer in the development of computational astrophysics codes with broad applicability to other disciplines; and I have been closely involved in that Center's research activities in flame modeling and interfacial mixing. I have also been involved with a Wisconsin/Chicago/Princeton NSF-supported Physics Frontier Center focusing on problems lying at the boundary of astrophysics and laboratory plasma physics, mostly in areas related to magnetohydrodynamic instabilities in low Prandtl number fluids (such as liquid metals, or stellar interiors).