Wiktionary

scallop theorem

English

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Etymology

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From an explanation of a principle of fluid dynamics given by E. M. Purcell.

Noun

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scallop theorem (plural scallop theorems)

  1. (fluid dynamics) A theorem which states that to achieve propulsion at low Reynolds number in simple (i.e. Newtonian) fluids, a swimmer must deform in a way that is not invariant under time-reversal.

Usage notes

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