Wavefront Propagation in Random Granular Mediaby Martin Ostoja-Starzewski, Michigan State Univ, East Lansing, United States,
Abstract: A very brief account is given of a stochastic method developed for analysis of transient waves propagating in one-dimensional random granular-type media. The method is suited to study transient dynamic response of nonlinear microstructures with material randomess, of high signal-to-noise ratio, being present in constitutive moduli and grain lengths. It generalizes the classical solution techniques, based on the theory of characteristics, by taking advantage of the Markov property of the forward propagating disturbances.
Subject Headings: Granular materials | Material properties | Transient response | Wave propagation | Dynamic response | Markov process | Dimensional analysis
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