rtx-cfd embedded3 items 4–6: field.rs + step/{mod, predictor, projection} (364/700/419 lines) — the host PISO step re-laid from the verified three_d code; gates HELD: MMS + Poiseuille marches value-identical to the 2D embedded solver at nz=1 over 200 steps; 3D MMS orders 0.88 upwind / 1.61 TVD, div ≤ 5e-9; Beltrami 1.08 / 1.25 with face-averaged data, div−mean ≤ 7e-8; Poiseuille |u−û| ≤ 8e-10 at nz 1 and periodic nz 4

Co-Authored-By: Claude Fable 5.1 <[email protected]>
2026-09-17 14:55:18 -05:00
parent 765ba6d3f6
commit 8821e18520
8 changed files with 2449 additions and 0 deletions
@@ -6,7 +6,11 @@
 //! Layout: cells `(k, j, i)` row-major, `cell = (k·ny + j)·nx + i`;
 //! u faces on `(nx + 1)·ny·nz`, v on `nx·(ny + 1)·nz`, w on `nx·ny·(nz + 1)`.

+pub mod field;
 pub mod grid;
 pub mod poisson;
+pub mod step;

+pub use field::Field;
 pub use grid::Grid;
+pub use step::{Boundaries, Fluid, Parameters, Side, Solver, StepResult};