rustytorch

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…

Performance Benchmarks #582:Commit 1562b7cbb5 pushed by osobh

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2026-09-10 23:08:30 +00:00

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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…

Documentation #581:Commit f61c427b6d pushed by osobh

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2026-09-10 23:08:30 +00:00

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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…

CI #580:Commit f61c427b6d pushed by osobh

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2026-09-10 23:08:30 +00:00

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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…

Performance Benchmarks #579:Commit f61c427b6d pushed by osobh

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2026-09-10 23:08:30 +00:00

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FSI2 overset harness: RTX_FSI2O_DT_SCALE scales the CFL-derived fluid step — P5-3's dt-convergence probe of the first-order Euler fluid steps (the band's placement is excluded: 94.0 mm at a 60 mm patch vs 94.8 at 40 mm; the s = 8 pair moved the amplit…

Documentation #578:Commit 7e13d14e96 pushed by osobh

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2026-09-10 17:08:30 +00:00

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FSI2 overset harness: RTX_FSI2O_DT_SCALE scales the CFL-derived fluid step — P5-3's dt-convergence probe of the first-order Euler fluid steps (the band's placement is excluded: 94.0 mm at a 60 mm patch vs 94.8 at 40 mm; the s = 8 pair moved the amplit…

CI #577:Commit 7e13d14e96 pushed by osobh

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2026-09-10 17:08:30 +00:00

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FSI2 overset harness: RTX_FSI2O_DT_SCALE scales the CFL-derived fluid step — P5-3's dt-convergence probe of the first-order Euler fluid steps (the band's placement is excluded: 94.0 mm at a 60 mm patch vs 94.8 at 40 mm; the s = 8 pair moved the amplit…

Performance Benchmarks #576:Commit 7e13d14e96 pushed by osobh

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2026-09-10 17:08:30 +00:00

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FSI2 overset march: print every coupling setting once (coupler, floor, rtol, stall accept, max subit, predictor, s, patch offset × rows) and add RTX_FSI2O_LOAD_SETTLE (rigid steps after a loaded state, clock put back; default 20) — P5-3 lost a day to …

Documentation #575:Commit 75ab6e77b4 pushed by osobh

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2026-09-09 23:08:30 +00:00

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FSI2 overset march: print every coupling setting once (coupler, floor, rtol, stall accept, max subit, predictor, s, patch offset × rows) and add RTX_FSI2O_LOAD_SETTLE (rigid steps after a loaded state, clock put back; default 20) — P5-3 lost a day to …

CI #574:Commit 75ab6e77b4 pushed by osobh

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2026-09-09 23:08:30 +00:00

24h45m8s

FSI2 overset march: print every coupling setting once (coupler, floor, rtol, stall accept, max subit, predictor, s, patch offset × rows) and add RTX_FSI2O_LOAD_SETTLE (rigid steps after a loaded state, clock put back; default 20) — P5-3 lost a day to …

Performance Benchmarks #573:Commit 75ab6e77b4 pushed by osobh

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2026-09-09 23:08:30 +00:00

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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 / _PATC…

Documentation #572:Commit 3e019d1491 pushed by osobh

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2026-09-09 17:08:30 +00:00

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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 / _PATC…

CI #571:Commit 3e019d1491 pushed by osobh

main

2026-09-09 17:08:30 +00:00

23h32m17s

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 / _PATC…

Performance Benchmarks #570:Commit 3e019d1491 pushed by osobh

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2026-09-09 17:08:30 +00:00

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P5 audit exact on the moving path: the composite rebuilt around a saved instant carries the march's dt (from the mesh the march started on — the warm base under RTX_FSI2O_WARM_SWEEPS — whatever patch the instant holds; 0.2 % of dt read as 0.3–5 N/m …

Documentation #569:Commit 2c1143076e pushed by osobh

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2026-09-08 23:08:30 +00:00

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P5 audit exact on the moving path: the composite rebuilt around a saved instant carries the march's dt (from the mesh the march started on — the warm base under RTX_FSI2O_WARM_SWEEPS — whatever patch the instant holds; 0.2 % of dt read as 0.3–5 N/m …

CI #568:Commit 2c1143076e pushed by osobh

main

2026-09-08 23:08:30 +00:00

5h33m37s

P5 audit exact on the moving path: the composite rebuilt around a saved instant carries the march's dt (from the mesh the march started on — the warm base under RTX_FSI2O_WARM_SWEEPS — whatever patch the instant holds; 0.2 % of dt read as 0.3–5 N/m …

Performance Benchmarks #567:Commit 2c1143076e pushed by osobh

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2026-09-08 23:08:30 +00:00

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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'…

Documentation #566:Commit 06229dd9a2 pushed by osobh

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2026-09-08 23:08:30 +00:00

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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'…

CI #565:Commit 06229dd9a2 pushed by osobh

main

2026-09-08 23:08:30 +00:00

5h33m37s

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'…

Performance Benchmarks #564:Commit 06229dd9a2 pushed by osobh

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2026-09-08 23:08:30 +00:00

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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 composi…

Documentation #563:Commit 3c2add3f32 pushed by osobh

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2026-09-08 17:08:31 +00:00

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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 composi…

CI #562:Commit 3c2add3f32 pushed by osobh

main

2026-09-08 17:08:31 +00:00

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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 composi…

Performance Benchmarks #561:Commit 3c2add3f32 pushed by osobh

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2026-09-08 17:08:31 +00:00

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rtx-cfd: cylinder_flag_patch_deformed_from — the warm-started regeneration (P5's cost lever): the previous patch's interior and its outer ring projected onto the new offset polygon as the start, and an IDEMPOTENT build (one Winslow sweep alternating w…

Documentation #560:Commit 3a68048934 pushed by osobh

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2026-09-08 17:08:31 +00:00

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rtx-cfd: cylinder_flag_patch_deformed_from — the warm-started regeneration (P5's cost lever): the previous patch's interior and its outer ring projected onto the new offset polygon as the start, and an IDEMPOTENT build (one Winslow sweep alternating w…

CI #559:Commit 3a68048934 pushed by osobh

main

2026-09-08 17:08:31 +00:00

0s

rtx-cfd: cylinder_flag_patch_deformed_from — the warm-started regeneration (P5's cost lever): the previous patch's interior and its outer ring projected onto the new offset polygon as the start, and an IDEMPOTENT build (one Winslow sweep alternating w…

Performance Benchmarks #558:Commit 3a68048934 pushed by osobh

main

2026-09-08 17:08:31 +00:00

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P5-1: RTX_FSI2O_NEWMARK_GAMMA — Newmark dissipation on the flag (β = (γ + ½)²/4); at γ = 0.9 the s = 1 overset march holds 0.3 s from the cached state (789 steps, 1.8 passes, no death) with the physical onset, where γ = ½ ran away in 90 steps: the…

Documentation #557:Commit 62f1d4bf9b pushed by osobh

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2026-09-08 17:08:30 +00:00

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P5-1: RTX_FSI2O_NEWMARK_GAMMA — Newmark dissipation on the flag (β = (γ + ½)²/4); at γ = 0.9 the s = 1 overset march holds 0.3 s from the cached state (789 steps, 1.8 passes, no death) with the physical onset, where γ = ½ ran away in 90 steps: the…

CI #556:Commit 62f1d4bf9b pushed by osobh

main

2026-09-08 17:08:31 +00:00

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P5-1: RTX_FSI2O_NEWMARK_GAMMA — Newmark dissipation on the flag (β = (γ + ½)²/4); at γ = 0.9 the s = 1 overset march holds 0.3 s from the cached state (789 steps, 1.8 passes, no death) with the physical onset, where γ = ½ ran away in 90 steps: the…

Performance Benchmarks #555:Commit 62f1d4bf9b pushed by osobh

main

2026-09-08 17:08:31 +00:00

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P5-1 instruments and discriminators: RTX_FSI2O_NO_WALL_VEL, _FREEZE_PATCH, _VOLUME_PRESERVE (the imposed wall velocity's net flux removed uniformly along the wall), the pass trace carries the fluid's power on the flag, the wall-pressure roughness, the …

Documentation #554:Commit 565215baf9 pushed by osobh

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2026-09-08 17:08:30 +00:00

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P5-1 instruments and discriminators: RTX_FSI2O_NO_WALL_VEL, _FREEZE_PATCH, _VOLUME_PRESERVE (the imposed wall velocity's net flux removed uniformly along the wall), the pass trace carries the fluid's power on the flag, the wall-pressure roughness, the …

CI #553:Commit 565215baf9 pushed by osobh

main

2026-09-08 17:08:31 +00:00

0s