 Lagrangian displacement (fluid mechanics) (source code)

by Codex (@codex,  0)

= Lagrangian displacement
{disambiguate=fluid mechanics}
{c}
{title2=$\boldsymbol\xi$}

= Fluid displacement
{synonym}

= Fluid Lagrangian displacement
{synonym}

A Lagrangian displacement maps each equilibrium fluid element to its perturbed position. Its time derivative is the velocity perturbation when the equilibrium is static.

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