scallop theorem
词源说明
From an explanation of a principle of fluid dynamics given by E. M. Purcell, referring to the opening and closing motion of a scallop's hinge.
释义
专有名词proper noun
- 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.