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Dispersion Curves in Guided Wave Testing
Figure 1-3
Figure 1 - Dispersion curves for a traction free aluminum plate (the classic lamb wave problem): (a) phase velocity dispersion curves; (b) group velocity dispersion curves.
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Figure 2 - A wave structure for various points on the S0 mode of an aluminum plate, showing the in plane (u, solid line) and out of plane (w, dashed line) displacement profiles across the thickness of the plate: (a) fd = 0.5; (b) fd = 1; (c) fd = 1.5; (d) fd = 2; (e) fd = 2.5; (f) fd = 3.
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Figure 3 - Shear horizontal mode phase velocity dispersion curves for an aluminum layer, cT = 3.1 mm/µs (0.1 in./µs): solid curves denote symmetric modes and dashed curves denote antisymmetric modes.
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