Home | Meeting Announcement | Meeting Agenda | Call for Papers | Meeting Registration | Hotel Information | Travel Information | Attendees | Abstracts
2002 LAPCOD Meeting
Previous Abstract | Back to Abstracts Page | Next Abstract
Study of mixing via Lagrangian stochastic models
Leonid I. Piterbarg
CAMS, University of Southern California
piter@math.usc.edu(Abstract received 09/27/2002 for session B)
ABSTRACT
The traditional approach to transport in stochastic flows is based on the Fokker-Planck equation which describes merely evolution of the statistical moments of a passive scalar (tracer). To compare theoretical conclusions with observations it is much more important to have description of the tracer realizations rather than its statistics. Lagrangian stochastic models allow us to conclude on the tracer realization behavior. We illustrate that by two examples. The first one addresses the initially linearly distributed tracer in a Brownian stochastic flow with infinitely small space correlation radius. In the second example we give description of the material lines for a stochastic flow with memory, characterizing by the finite Lagrangian correlation time and finite velocity space correlation radius.
Previous Abstract | Back to Abstracts Page | Next Abstract
2002 LAPCOD Meeting, Key Largo, Florida, December 12-16, 2000