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Article

Накат длинных уединенных волн различной полярности на плоский откос

Пелиновский Е. Н., Диденкулова И. И., Диденкулов О. И.

We study the runup of long solitary waves of different polarities on a beach in the case of composite bottom topography: a plane sloping beach transforms into a region of constant depth. We confirm that nonlinear wave deformation of positive polarity (wave crest) resulting in an increase in the wave steepness leads to a significant increase in the runup height. It is shown that nonlinear effects are most strongly pronounced for the runup of a wave with negative polarity (wave trough). In the latter case, the runup height of such waves increases with their steepness and can exceed the amplitude of the incident wave.