We investigate the stabilization of a locally coupled wave equations with only one internal viscoelastic damping Kelvin-Voigt type (see System (1.2)-(1.4)). The main novelty in this paper is that both and coupling coefficients are non smooth (1.5)). First, using general criteria Arendt-Batty, combined an uniqueness result, we prove our system strongly stable. Next, spectrum approach, non-expone...

An innovative method is presented to measure the mechanical driving point impedance of biological structures up to at least 40 kHz. The technique employs an atomic force cantilever with a ferromagnetic coating and an external magnetic field to apply a calibrated force to the cantilever. Measurement of the resulting cantilever velocity using a laser Doppler vibrometer yields the impedance. A key...

Dielectrophoresis in microfluidics provides a useful tool to test biomechanics of living cells, regardless of surface charges on cell membranes. We have designed an experimental method to characterize the nonlinear viscoelastic behaviors of single cells using dielectrophoresis in a microfluidic channel. This method uses radio frequency, low voltage excitations through interdigitated microelectr...

Acoustic radiation force imaging (ARFI) has been suggested as a tool for remote palpation. In this study an MR-ARFI sequence, based on echo-planar-imaging, is introduced, for remote semi-quantitative assessment of local tissue stiffness. The focal zone of a high intensity focused ultrasound (HIFU) is positioned at the region of interest and a single HIFU burst is transmitted. The method then me...

A generalized analytical approach for the propagation of Bleustein–Gulyaev wave in a piezoelectric material loaded on its surface with viscoelastic fluid is established this paper. The waveguide subjected to various glycerol concentrations. Maxwell and Kelvin–Voigt models are used describe viscoelasticity fluid. Exact dispersion equation obtained cases both electrically short circuit open by so...