rtx-cfd: overset CFD1 harness — the steady-march stall rule (stall_rounds 2) actually enabled (the previous commit's edit had missed its anchor)

Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_01X2GmJXeQ2njUecEKiJZ1G2
2026-09-05 20:28:25 -07:00
parent 9761cf2319
commit 00f73eb70a
1 changed files with 8 additions and 6 deletions
@@ -119,12 +119,14 @@ async fn run_cfd1(ny: usize) -> CfdResult<Cfd1> {
            bg_field.u[(j, i)] = u0;
        }
    }
-    let mut solver = OversetPisoSolver::new(
-        background,
-        patch,
-        (nx, ny, h, h),
-        OversetParameters::default(),
-    )?;
+    // A steady march: stop a corrector's rounds when two rounds make no
+    // progress (the noise floor); measured at ny = 41 without it: 5.0 rounds
+    // per corrector on average (the second corrector 8 every step), 2099 s.
+    let params = OversetParameters {
+        stall_rounds: 2,
+        ..OversetParameters::default()
+    };
+    let mut solver = OversetPisoSolver::new(background, patch, (nx, ny, h, h), params)?;
    let mut field = OversetField {
        background: bg_field,
        patch: patch_field,