Energy propagation in dissipative systems Part I: Centrovelocity for linear systems

Embrecht W.C. van Groesen, Francesco Mainardi

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    Based on a balance equation for the energy density, an expression for the centrovelocity is derived which differs from the usual energy-flux velocity by a loss-flux term as a consequence of the presence of dissipation. In this part the expression is investigated for linear wave equations, in particular for first-order hyperbolic systems.
    Original languageUndefined
    Pages (from-to)201-209
    JournalWave motion
    Issue number3
    Publication statusPublished - 1989


    • IR-56099

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