### Some articles on *waves, wave groups, wave, group*:

The Nonlinear Schrödinger Equation in Water Waves

... For water

... For water

**waves**, the nonlinear Schrödinger equation describes the evolution of the envelope of modulated**wave groups**... Zakharov describes the Hamiltonian structure of water**waves**... In the same paper Zakharov shows, that for slowly modulated**wave groups**, the**wave**amplitude satisfies the nonlinear Schrödinger equation, approximately ...Generation of 'secondary' Microseisms

... The interaction of two trains of surface

... The interaction of two trains of surface

**waves**of different frequencies and directions generates**wave groups**... For**wave**propagating almost in the same direction, this gives the usual sets of**waves**that travel at the**group**speed, which is slower than phase speed of water**waves**(see animation) ... For typical ocean**waves**with a period around 10 seconds, this**group**speed is close to 10 m/s ...### Famous quotes containing the words groups and/or wave:

“As in political revolutions, so in paradigm choice—there is no standard higher than the assent of the relevant community. To discover how scientific revolutions are effected, we shall therefore have to examine not only the impact of nature and of logic, but also the techniques of persuasive argumentation effective within the quite special *groups* that constitute the community of scientists.”

—Thomas S. Kuhn (b. 1922)

“And his wish is intimacy,

Intimater intimacy,

And a stricter privacy;

The impossible shall yet be done,

And, being two, shall still be one.

As the *wave* breaks to foam on shelves,

Then runs into a *wave* again,

So lovers melt their sundered selves,

Yet melted would be twain.”

—Ralph Waldo Emerson (1803–1882)

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