A software for the computation of acoustic waves in cylindrical, plate and arbitrary cross-section waveguides

Guided waves based applications are becoming nowadays a common practice in the industry for non-destructive evaluation, material characterization, acoustic focusing and advanced material design. Knowledge of the guided waves dispersive features such as dispersion curves and wavestructures is essential for any use or development of such applications. In this work we propose a user friendly Graphical User Interface (GUI) for a guided data input process that allows to handle this need. The GUI bridges the operator input to the main code that is based on a spectral finite element (SAFE) formulation. Compared to analytical formulations for guide waves computation, SAFEs algorithms do not suffer in roots extraction, easily allow managing multilayered structures, such as composite plates, and more in general arbitrary cross-section waveguides. Isotropic and anisotropic, elastic and viscoelastic materials can be considered. Dispersion curves are available in terms of wavenumber, wavelength, phase velocity, group velocity (elastic), energy velocity and attenuation (viscoelastic). Wavestructures can be represented in the form of displacement, stresses, strains, and power flow.