Možnosti aplikace metody zrcadlových zdrojů při popisu disperzního šíření vln v tenkých deskách

Abstract

: Metoda zrcadlových zdrojů (ISM) je prostředek k modelování šíření elastických vln

: Image Source Method (ISM) is a method used for simulations of elastic wave propagation in solids. It is based on construction of Green functions as sequences of wave arrivals from the acoustic source to the given point throught various paths including various number of reflections. Previously, ISM was formulated for nondispersive waves only and supposed a simple reflection changing their phase. Within the thesis ISM was improved to simulate dispersive wave propagation with complex wave reflection on the interface. Extended ISM was used for simulation of Lamb waves and Time Reversal and an experiment on a thin plate was conducted to verify the abilities of the reworked method.