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e54729241d |
fsi2 overset harness: RTX_FSI2O_CASE=FSI3 (the FSI3 constants with FEATFLOW level-4 references in the summary), RTX_FSI2O_SAVE_FROM (instants only from a time on — a dense last period for the viewer)
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_01LzcjQX7tvgn87CQCyg9Cfr |
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415c32ab04 |
overset mesh: the flat-tip outline (P5-3 option B) — cylinder_flag_outline_deformed_tip / cylinder_flag_patch_deformed{,_from}_tip take the tip's corner radius (t = the recorded semicircle, bit for bit; smaller = the benchmark's flat face between corner arcs sampled at the wall spacing, point count fixed across the deformation, the tip's corners kept off the hull source); pins: corner t reproduces the recorded outline, the 2.5 mm outline has the exact area excess with no collapsed spacing, the O-grid builds straight and at ± 80 mm cold and warm at ny 41/62; harness knob RTX_FSI2O_TIP_CORNER (default 0.01) on the cold and warm builds, printed in both headers; pinned-toolchain fmt on touched crates
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_01LzcjQX7tvgn87CQCyg9Cfr |
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7224521309 |
fsi2 overset harness: reference constants from FEATFLOW's FSI2 level-4 table (uy 1.24 ± 81.7 mm at 1.93 Hz, ux −14.87 ± 12.73, drag 215.18 ± 77.78, lift 0.87 ± 238.0) — the 2006 table's 80.6 / 2.0 was level 2 with the frequency rounded; the summary line prints the full reference
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_01LzcjQX7tvgn87CQCyg9Cfr |
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5aa05f140d |
fsi2 replay: RTX_FSI2O_MAX_ROUNDS knob (3) on the prescribed-motion instrument, printed in its header — the coupled march cannot run at a tighter Schwarz cap (release dies), so the fluid side of the rounds question is measured on the replay
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_01LzcjQX7tvgn87CQCyg9Cfr |
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0645565bd8 |
fsi2 harness: RTX_FSI2O_FILLET knob (the outline's fillet radius, 5 mm = t/2 in every recorded run: a half-round tip and 5 mm root fillets vs the reference's sharp rectangle; printed in both headers) — P5-3's first problem-definition probe after the h-term was traced to the wake's strength on the background
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_01LzcjQX7tvgn87CQCyg9Cfr |
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c63115053b |
fsi2 harness: RTX_FSI2O_PATCH_STRETCH knob (the patch's across stretch, 4.0 in every recorded run; printed in both headers) — P5-3's wall-normal resolution test at fixed h: the rows ladder does not build (the overlap needs outer patch cells ≈ h/2 or larger), the stretch refines the wall cell 0.227h → 0.144h → 0.088h at 4/8/16 while the outer cells grow
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_01LzcjQX7tvgn87CQCyg9Cfr |
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c7d2870580 |
fsi2 harness: RTX_FSI2O_BG_CONVECTION knob (tvd default / upwind) on the background, printed in both headers beside the patch's — the patch scheme was excluded as the h-term's carrier (upwind ladder +1.52 vs TVD +1.73 W/m from ny 41 to 62), the background's wake dissipation is the registered next probe
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_01LzcjQX7tvgn87CQCyg9Cfr |
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ff7cc2d739 |
fsi2 harness: RTX_FSI2O_PATCH_CONVECTION knob (tvd default / upwind / none) on the overset patch, printed in the march's coupling header and the replay's PRESCRIBED header — P5-3's near-wake dispersion test on the ny 62 fixed-motion replay; harness files under the pinned toolchain's cargo fmt
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_01LzcjQX7tvgn87CQCyg9Cfr |
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914d369efe |
overset: the stamp-energy instrument (P5-3's energy-source measurement) — OversetResult gains stamp_energy (½ρ(u_stamped² − u_before²)·dx·dy summed over the fringe faces after the flux balance on a reclassification step) and reclass_energy (the faces touching a cell whose class changed); the replay CSV logs both plus the reclassified-cell count per step — the comparator showed the plate loads per unit motion agree with ours to ~10 %, so the discrepancy is our limit-cycle amplitude, an h-growing energy source, and the hole boundary's reclassification is the candidate
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_0116sg1Qz1gMv9hdcKP1XUam |
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aeb70eb507 |
prescribed-motion replay: per-step Schwarz rounds, convergence, background residual, patch divergence and mass defects in the CSV — so the next burst is seen forming
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_0116sg1Qz1gMv9hdcKP1XUam |
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1562b7cbb5 |
prescribed-motion replay: the fluid's power on the flag split face by face (normal vs tangential traction; root / middle / tip thirds) beside the nodal Σ F·ḋ, and replay instants (RTX_FSI2O_SAVE + SAVE_EVERY or SAVE_AT=t1,t2,… — the step that first reaches each time) for the per-region pressure audit at one physical instant across h
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_0116sg1Qz1gMv9hdcKP1XUam |
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f61c427b6d |
P5-3 energy discriminator: prescribed motion on the overset fluid alone — fsi2_harness/replay.rs (a march's saved instants as cubic-Hermite kinematics with the saved velocities as slopes, the prescribed wall velocity the interpolant's exact derivative; a smooth ramp) with a knot/derivative pin, and fsi2_overset_prescribed_motion (RTX_FSI2O_REPLAY=dir: replay from RTX_FSI2O_REPLAY_T0 on RTX_FSI2O_LOAD's rigid state at any ny; per-step CSV of tip uy, drag, lift, the fluid's power on the flag Σ F·ḋ, wall flux vs area rate; window summary) — at a fixed motion, does the fluid's work per cycle grow with h the way the coupled amplitude ladder (91.2 → 94.8 → 98.0 mm) does?
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_0116sg1Qz1gMv9hdcKP1XUam |
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3e019d1491 |
P5-3 instruments: per-region wall loads on saved instants (top / bottom / tip arc / fillets+cylinder — drag, lift, normal-traction mean/min/max; RTX_FSI2O_AUDIT_FACES, RTX_FSI2O_AUDIT_ONLY) and the patch-thickness knobs (RTX_FSI2O_PATCH_OFFSET / _PATCH_ROWS, RTX_OVERSET_PATCH_OFFSET / _PATCH_ROWS; save tags carry the offset) — the overlap band sat at a fixed number of cells (6 h) and moved inward in metres with refinement
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_0116sg1Qz1gMv9hdcKP1XUam |
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06229dd9a2 |
rtx-cfd: the deformed cylinder–flag build's hull source carries the deformed outline — the cylinder + tip disc alone give the chord under a bent flag's convex side (P5-2 died at tip −35 mm with the patch 4.4 h thick where 6 h was asked, an acceptor's donor on a prescribed face); the death reproduced from the last saved instant by extrapolating the interface (fsi2_overset_probe_death_from_instant, with the failing acceptor's ray geometry and the overlap depths that build) and gone with the fix at every τ; RTX_FSI2O_ROWS; the zero-displacement mesh gate at 1e-5 (the pipeline's), the outline gate 1e-12 unchanged
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_0116sg1Qz1gMv9hdcKP1XUam |
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3c2add3f32 |
P5 audit: the overset march saves the composite at every N-th committed step (RTX_FSI2O_SAVE_EVERY: background, the deformed patch's nodes, its vectors, d, ddot, time), and fsi2_overset_audit_of_saved_instants (RTX_FSI2O_AUDIT=dir) rebuilds the composite around each saved patch (build_case_with an initial mesh, so the overlap is the instant's) and prints the solver-metric chain — the CFD23 instrument on the moving patch
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_0116sg1Qz1gMv9hdcKP1XUam |
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f0b2563bf8 |
P5-1: FSI2 with the fluid on the overset — fsi2_harness/overset.rs (the background without a body, the cylinder–flag patch regenerated around the deformed flag every pass via set_patch_mesh, the wall velocity from the interface velocities along the wetted polygon, the load from the patch's wall faces into WettedSurface::transfer_load — no probes, no clamp, no smoothing), fsi2_harness/overset_march.rs (the harness's rigid phase / release / subiterated coupling with its acceptance rule, no rescue machinery, death returned not panicked), tests/turek_hron_fsi2_overset.rs (RTX_FSI2O_* knobs); rtx-cfd: CurvilinearPisoSolver::wall_tractions (per-face pressure + full-stress traction, surface_force sums the same terms bit-identically); Interface::edges (bottom/tip/top for the generator); cylinder_flag_mms RTX_CF_BEND (P5-0 gate iv: Stokes orders 2.14 / 2.09 on the flag bent to 80 mm)
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Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_0116sg1Qz1gMv9hdcKP1XUam |