Abstract:We consider a simple model arising in the control of noise. We assume that the two-dimensional cavity Ω = (0, 1)×(0, 1) is occupied by an elastic, inviscid, compressible fluid. The potential φ of the velocity field satisfies the linear wave equation. The boundary of Ω is divided in two parts Γ0 and Γ1. The first one, Γ0 is flexible and occupied by a Bernoulli-Euler beam. On Γ0 the continuity of the normal velocities of the fluid and the beam is imposed. The subset Γ1 of the boundary is assumed to be rigid and … Show more
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