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 Title: Wave Propagation in Smart Materials Type: ReportReport Participant(s): Author:  Pedersen, Michael (Cwisno: 1968) Technical University of Denmark Email: --- Abstract: In this paper we deal with the behavior of solutions to hyperbolic equations such as the wave equation: $$\label{waveeq1} \frac{\partial^2}{\partial t^2}u-\Delta u=f,$$ or the equations of linear elasticity for an isotropic medium: $$\label{elasteq1} \frac{\partial^2}{\partial t^2}u -(\lambda+\mu){\text{\rm grad div}} u -\mu\Delta u=0,$$ where $u=u(t,x)$ denotes a 3-vector field on $\Bbb R\times\Bbb R^3$, and $\lambda$ and $\mu$ are the Lame-constants. Published:
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