Evolution of Probability Distribution in Time for Solutions of Hyperbolic Equations

  • Authors:
  • Chang-Yeol Jung

  • Affiliations:
  • Division of Applied Mathematics, Brown University, Providence, USA 02912 and The Institute for Scientific Computing and Applied Mathematics, Indiana University, Bloomington, USA 47405 and Ulsan Na ...

  • Venue:
  • Journal of Scientific Computing
  • Year:
  • 2009

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Abstract

We investigate the evolution of the probability distribution function in time for some wave and Maxwell equations in random media for which the parameters, e.g. permeability, permittivity, fluctuate randomly in space; more precisely, two different media interface randomly in space. We numerically compute the probability distribution and density for output solutions. The underlying numerical and statistical techniques are the so-called polynomial chaos Galerkin projection, which has been extensively used for simulating partial differential equations with uncertainties, and the Monte Carlo simulations.