embedded3 S2-2b-ii: DeviceCg::refresh (fine operator per step, hierarchy every K steps, z zeroed before the scatter) + gate test; the flag driver's correctors 3 / inner 1e-3 (residual remedy measured 7.6e-9 on the moving circle); residual study test

Co-Authored-By: Claude Fable 5.1 <[email protected]>
2026-09-17 21:15:02 -05:00
parent fc8d69af29
commit 33de5d0080
6 changed files with 178 additions and 3 deletions
@@ -141,7 +141,12 @@ fn flag_wake_on_the_device() {
            reference_length: 2.0 * R_CYL,
        },
        Parameters {
-            corrector_steps: 2,
+            // Three correctors at a 1e-3 inner stop hold the moving cut
+            // wall's mass residual under 1e-8 (the moving circle: 7.6e-9
+            // against 1.5e-6 with two at 1e-2); `RTX_E3_FLAG_CORRECTORS`
+            // overrides for the comparison runs.
+            corrector_steps: env_f("RTX_E3_FLAG_CORRECTORS", 3.0) as usize,
+            inner_stop_factor: env_f("RTX_E3_FLAG_INNER", 1e-3),
            tolerance: 1e-8,
            convection_scheme: ConvectionScheme::TvdVanAlbada,
            wall_scheme: WallScheme::CutCell,