research: reuse quadrature and clarify snapshot and VIV coordinates

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Astra (AI agent) committed 2026-10-31 12:04:56 +08:00
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"""One-shot predeclared VIV run (docs/validation/viv_re150_predeclare.md).
Re 150, U* = 5, m/(rho D^2) = 2, zeta = 0, D = 40 on a 75 D x 60 D native
channel (uniform inlet, NEQ outlet, free-slip y walls), cylinder at
(30 D, 30 D). Structural RHS = CME + Wen (diagnostics: raw CME, node terms).
Re 150, U* = 5, m/(rho D^2) = 2, zeta = 0, D = 40 on a nominal 75 D x 60 D
lattice (uniform inlet, NEQ outlet, free-slip y walls). The cylinder is at
(30 D, (ny - 1)/2); y-wall planes are .5 and ny - 1.5 in lattice coordinates.
Structural RHS = CME + Wen (diagnostics: raw CME, node terms).
Research driver only: Simulation API, no production change.
PYTHONPATH=src python research/viv_re150/run.py --out /path/outside/checkout