Though they're not necessarily very obvious throughout the movie, the final scene symbolizes these themes, and what the main characters decided on in the end. go of an unreachable past, and taking control of one's own life. It's underlying themes are beautifully incorporated into the story about growing up, letting The movie tells of a love that's slowly torn apart because the lovers move further away, both in heart and home. Throogh three small stories, or episodes as they're called, we're told the tale of how they grow up and farther away from each other. 67 (3), 237 (2021).From Makoto Shinkai (Voices of a Distant Star, The Place Promised in Our Early Days) comes 5 Centimetes per Second, a movie that tells the story of two childhood friends in love, and how they try to keep their relationship going through hardships that life throws at them. Bec, in New Trends in Turbulence, Les Houches 2001 (Springer, Berlin, Heidelberg, 2001), p. 341. General Theory and Applications to Nonlinear Acoustics (Fizmatlit, Moscow, 2008 Higher Education Press, Beijing, 2011 Springer-Verlag, Berlin, Heidelberg, 2012).
Saichev, Waves and Structures in Nonlinear Nondispersive Media. It is demonstrated that the dynamics of nonlinear effects in intense beams reflected from stepped structures is similar to the transformation of the profile of acoustic waves generated by dual-frequency pump signals. The effect of doubling the characteristic frequency of a signal as an acoustic beam is reflected from a stepped structure is shown, which creates a path difference of λ/2 between the two parts of the reflected beam.
This made it possible to analyze the evolution of the beam shape with increasing distance from the obstacle, as well as to study its transverse structure. A broadband membrane hydrophone was used to record the shape of the profile of nonlinear waves of the incident and reflected acoustic beams at an arbitrary spatial point. The experiment focused on obstacles that create a path difference between the two parts of the beam during reflection, equal to 0, λ/3, λ/2, λ, etc.
When reflected from the obstacle, the acoustic beam incident on it splits into two parts, between which there is a path difference, specified by the stepped structure itself. The case of high Reynolds numbers is considered, when a sawtooth wave profile formed in the incident beam, and an obstacle in the form of a step was located normal to the acoustic axis and behind the discontinuity coordinate. The article presents the results of studying the reflection of an intense acoustic beam from stepped structures.
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