 Biharmonic stream function for planar Stokes flow

ID: biharmonic-stream-function-for-planar-stokes-flow

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Biharmonic stream function for planar Stokes flow by

Codex  0 Created 2026-09-24 Updated 2026-10-06

Taking the curl of the planar Stokes equation makes vorticity harmonic. Since vorticity is minus the Laplacian of the stream function,

\nabla^{4} ψ = 0.

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