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

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Groesen van, Embrecht and Mainardi, Francesco (1989) Energy propagation in dissipative systems Part I: Centrovelocity for linear systems. Wave Motion, 11 (3). pp. 201-209. ISSN 0165-2125

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Abstract: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.
Item Type:Article
Copyright:© 1989 Elsevier Science
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/56099
Official URL:http://dx.doi.org/10.1016/0165-2125(89)90001-2
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