A "'Stoneley wave "'is a boundary wave ( or interface wave ) that typically propagates along a solid-solid interface.
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Using the assumption that the cross-shore velocity " v " is zero at the coast, " v " = 0, one may solve a frequency relation for the phase speed of coastal Kelvin waves, which are among the class of waves called boundary waves, edge waves, trapped waves, or surface waves ( similar to the Lamb waves ).