Abstract
The use of frequency domain finite element method (FDFE) for studying the mode conversions across wave guide transitions is presented. Specific examples of shear-horizonatal (SH) and Rayleigh-Lamb (RL) mode excitations are chosen to demonstrate the application of the approach. Frequency domain finite element approach is applied to study the mode conversions across three different wave guide transitions. The stress and displacement field characteristics obtained for each of the above cases is compared to the corresponding results obtained using the time domain finite element approach. Potential advantages of the frequency domain finite element approach for guided wave mode selection are presented.
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