feat: add support for equipment reliability levels and enable manual maintenance outage derating calculations

src/aeros_equipment/service.py

@@ -476,31 +476,57 @@ async def update_equipment_for_simulation(
             # ---- CUSTOM INPUT HAS PRIORITY ----
             if eq_name in custom_map:
                 custom_param = custom_map[eq_name]
+                level = custom_param.get("level")
 
                 mttr = custom_param.get("mttr")
                 failure_rate = custom_param.get("failure_rate")
 
-                if mttr is None or failure_rate is None:
-                    log.warning(
-                        "Custom input incomplete for %s, skipping",
-                        eq_name_raw
-                    )
-                    continue
-
-                if failure_rate == 0:
-                    MTBF = 1000000
-                else:
-                    MTBF = 1e6 / float(failure_rate)
-
-                eq["cmDisP1"] = mttr
-                eq["relDisType"] = custom_param.get("distribution", "Fixed")
-
-                if eq["relDisType"] == "Fixed":
-                    eq["relDisP1"] = MTBF
+                # Hard-coded states for specific levels
+                if level == "NoFailure":
+                    log.info("Applying NoFailure state for %s", eq_name_raw)
+                    mttr = 0
+                    eq["relDisType"] = "Fixed"
+                    eq["relDisP1"] = 1000000000.0  # Effectively never fails
+                    eq["relDisP2"] = 0
+                    eq["cmDisP1"] = 0
+                    eq["cmDisType"] = "Fixed"
+                elif level == "Out of Service":
+                    log.info("Applying Out of Service (Always Fail) state for %s", eq_name_raw)
+                    mttr = 1000000000.0
+                    eq["relDisType"] = "Fixed"
+                    eq["relDisP1"] = 0.0001        # Fails immediately
                     eq["relDisP2"] = 0
+                    eq["cmDisP1"] = mttr
+                    eq["cmDisType"] = "Fixed"
                 else:
-                    eq["relDisP1"] = 1
-                    eq["relDisP2"] = MTBF
+                    if mttr is None or failure_rate is None:
+                        log.warning(
+                            "Custom input incomplete for %s, skipping",
+                            eq_name_raw
+                        )
+                        continue
+
+                    # Handle failure_rate being an array (Numeric array in DB)
+                    if isinstance(failure_rate, list):
+                        rate_val = float(failure_rate[0]) if failure_rate else 1.0
+                    else:
+                        rate_val = float(failure_rate)
+
+                    if rate_val <= 0:
+                        MTBF = 1000000000.0
+                    else:
+                        MTBF = 1e6 / rate_val
+
+                    eq["cmDisP1"] = mttr
+                    eq["relDisType"] = custom_param.get("distribution", "Fixed")
+
+                    if eq["relDisType"] == "Fixed":
+                        eq["relDisP1"] = MTBF
+                        eq["relDisP2"] = 0
+                    else:
+                        # For Weibull, use P1 as beta (1.0 default) and P2 as eta (MTBF)
+                        eq["relDisP1"] = 1.0
+                        eq["relDisP2"] = MTBF
 
                 eq["ohDisP1"] = overhaul_duration
                 eq["ohDisUnitCode"] = "UHour"

src/aeros_simulation/simulation_save_service.py

@@ -309,13 +309,13 @@ async def calculate_plant_eaf(
         manual_deratings=manual_deratings
     )
 
-    # # Adjust EAF and edh for manual MO deratings
-    # if manual_mo_equiv_hours > 0:
-    #     # eaf remains reduced by both edh and manual_mo_equiv_hours
-    #     eaf = ((total_uptime - (edh + manual_mo_equiv_hours)) / total_period_time) * 100
-    #     # maintenance deratings should contribute to scheduled metrics (SOF/ESOF)
-    #     sof = ((seasonal_outage + manual_mo_equiv_hours) / total_period_time) * 100
-    #     edh += manual_mo_equiv_hours
+    # Adjust EAF and edh for manual MO deratings
+    if manual_mo_equiv_hours > 0:
+        # eaf remains reduced by both edh and manual_mo_equiv_hours
+        eaf = ((total_uptime - (edh + manual_mo_equiv_hours)) / total_period_time) * 100
+        # maintenance deratings should contribute to scheduled metrics (SOF/ESOF)
+        sof = ((seasonal_outage + manual_mo_equiv_hours) / total_period_time) * 100
+        edh += manual_mo_equiv_hours
 
     plant_calc_data.total_mo_downtime = manual_mo_outage_hours
     plant_calc_data.total_po_downtime = po_downtime