Research Article

Analysis of Source Influence on Guided Wave Excitation in Cylindrical Structures Using Spatial Fourier Transform Method

Figure 2

Schematic of an equally sized and spaced transducer array. and denote the number of elements in the circumferential and axial directions of the cylindrical structure, respectively; denotes the angular extent of each element; denotes the angular extent of each gap; denotes an arbitrary initial axial position; denotes the axial extent of each element; denotes the axial extent of each gap.