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Politics : Formerly About Advanced Micro Devices

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To: Brumar89 who wrote (503762)	8/11/2009 10:47:14 PM
From: koan	Read Replies (1) of 1576911

This is the stuff you should be having fun learning instead of being so upset all the time: To WharfRat: Watched a special on rogue waves. It would be hard to join the navey after learning that stuff. Heavy chit mon: Nonlinear effects — It seems possible to have a rogue wave occur by natural, nonlinear processes from a random background of smaller waves.[6] In such a case, it is hypothesised, an unusual, unstable wave type may form which 'sucks' energy from other waves, growing to a near-vertical monster itself, before becoming too unstable and collapsing shortly after. One simple model for this is a wave equation known as the nonlinear Schrödinger equation (NLS), in which a normal and perfectly accountable (by the standard linear model) wave begins to 'soak' energy from the waves immediately fore and aft, reducing them to minor ripples compared to other waves. Such a monster, and the abyssal trough commonly seen before and after it, may last only for some minutes before either breaking, or reducing in size again. The NLS is only valid in deep water conditions, and in shallow water an alternative such as the Boussinesq equation is used.

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