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单词 Navier–Stokes equation
释义

Navier–Stokes equation

/ˌneɪvɪəˈstəʊks ɪkweɪʒn/ /ˌnavɪeɪˈstəʊks ɪkweɪʒn/
Physics
noun
Each of the one-dimensional equations of motion for a viscous fluid. Also: the vector equation combining these, which may be written d V/d t = − 1/ρ∇p + F + ν∇2 V + 1/3ν∇(∇·V) where V is the fluid velocity, ρ the density, p the pressure, F the total force per unit mass, and ν the kinematic viscosity.

Origin

1940s; earliest use found in American Journal of Mathematics. From the names of Claude Louis Marie Navier, French engineer, and Sir George Gabriel Stokes, who derived the equations independently in 1822 and 1845 respectively.

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更新时间:2024/9/29 10:15:37