auto: daily sync

projects/isogrid-dev-plate/studies/01_v1_tpe/README.md

@@ -65,8 +65,8 @@ penalty = 1e4 × ((σ_max / σ_allow) − 1)²   if σ_max > σ_allow
 | `gamma_stress` | 0.0 | 1.5 | — | FEA stress feedback gain |
 | `R_0` | 10 | 100 | mm | Base hole influence radius |
 | `R_edge` | 5 | 40 | mm | Edge influence radius |
-| `s_min` | 8 | 20 | mm | Min cell size (densest) |
-| `s_max` | 25 | 60 | mm | Max cell size (sparsest) |
+| `s_min` | 15 | 35 | mm | Min cell size (densest) — manufacturing floor: 15 mm |
+| `s_max` | 40 | 60 | mm | Max cell size (sparsest) — lower bound 40 guarantees s_min < s_max |
 
 Fixed parameters (manufacturing constraints + math constants): see `optimization_engine/isogrid/study.py`.
 

projects/isogrid-dev-plate/studies/01_v1_tpe/run_optimization.py

@@ -355,7 +355,18 @@ def make_objective(rm: TrialRetentionManager):
 
         print(f"  [Brain] Total pockets: {n_pockets_total}")
 
-        # ── 3b. Save per-trial figures (density, mesh, rib pattern) ──────────
+        # ── 3b. Degenerate check — prune near-solid trials early ─────────────
+        # If fewer than N_MIN_POCKETS are generated, the design is essentially a
+        # solid plate (likely all triangles rejected by area/fillet filter).
+        # Return a large penalty immediately — no point burning an NX license.
+        N_MIN_POCKETS = 8
+        if n_pockets_total < N_MIN_POCKETS:
+            print(f"  [Brain] Degenerate trial: only {n_pockets_total} pockets "
+                  f"(min={N_MIN_POCKETS}) — pruning before NX")
+            trial.set_user_attr("error", f"degenerate:{n_pockets_total}_pockets")
+            return 1e6
+
+        # ── 3d. Save per-trial figures (density, mesh, rib pattern) ──────────
         t_fig = time.time()
         n_figs = len(plot_trial_figures(sb_data, trial_dir))
         print(f"  [Plot]  {n_figs} figures → trial_{trial_number:04d}/  ({time.time()-t_fig:.1f}s)")