fix

model/RBD Model/BOL_BRS.json

@@ -1,13 +1,10 @@
 {
   "series": [
-    "3BSS-H611",
     {
-      "parallel_no_redundancy": ["3ATT-N501A", "3ATT-N501B"]
+      "parallel_no_redundancy": ["3ATT-N503A", "3ATT-N503B"]
     },
-    "3BSS-H621",
+    "3BRS-H611",
-    {
+    "3BRS-H621",
-      "parallel_no_redundancy": ["3ATT-N502A", "3ATT-N502B"]
+    "3BRS-H631"
-    },
-    "3BSS-H631"
   ]
 }

model/RBD Model/TUR_GSS.json

@@ -1,10 +1,10 @@
 {
   "series": [
-    "3SCW-PF001",
+    "3GSS-H010",
     {
       "parallel": [
-        {"series": ["3SCW-H023A", "3SCW-M001A", "3SCW-P001A"]},
+        {"series": ["3GSS-M011A", "3GSS-F011A"]},
-        {"series": ["3SCW-H023B", "3SCW-M001B", "3SCW-P001B"]}
+        {"series": ["3GSS-M011B", "3GSS-F011B"]}
       ]
     }
   ]

src/aeros_contribution/result.json

@@ -625,21 +625,12 @@
             "3CRH-W002",
             {
   "series": [
-                "3BSS-H611",
-                {
-                  "parallel_no_redundancy": [
-                    "3ATT-N501A",
-                    "3ATT-N501B"
-                  ]
-                },
-                "3BSS-H621",
     {
-                  "parallel_no_redundancy": [
+      "parallel_no_redundancy": ["3ATT-N503A", "3ATT-N503B"]
-                    "3ATT-N502A",
-                    "3ATT-N502B"
-                  ]
     },
-                "3BSS-H631"
+    "3BRS-H611",
+    "3BRS-H621",
+    "3BRS-H631"
   ]
 },
             {
@@ -1198,23 +1189,11 @@
           "series": [
            {
   "series": [
-                "3SCW-PF001",
+    "3GSS-H010",
     {
       "parallel": [
-                    {
+        {"series": ["3GSS-M011A", "3GSS-F011A"]},
-                      "series": [
+        {"series": ["3GSS-M011B", "3GSS-F011B"]}
-                        "3SCW-H023A",
-                        "3SCW-M001A",
-                        "3SCW-P001A"
-                      ]
-                    },
-                    {
-                      "series": [
-                        "3SCW-H023B",
-                        "3SCW-M001B",
-                        "3SCW-P001B"
-                      ]
-                    }
       ]
     }
   ]

src/aeros_contribution/service.py

@@ -1,12 +1,10 @@
 import json
 import logging
-from typing import Dict, Union
+from typing import Dict, Union, Tuple
 from decimal import Decimal, getcontext
 import math
 
 from src.aeros_simulation.service import get_simulation_with_calc_result
-from src.database.core import DbSession
-from src.logging import setup_logging
 
 # Set high precision for decimal calculations
 getcontext().prec = 50
@@ -14,7 +12,6 @@ getcontext().prec = 50
 Structure = Union[str, Dict[str, list]]
 
 log = logging.getLogger(__name__)
-setup_logging(logger=log)
 
 def prod(iterable):
     """Compute product of all elements in iterable with high precision."""
@@ -28,7 +25,7 @@ def prod(iterable):
 
 def system_availability(structure: Structure, availabilities: Dict[str, float]) -> float:
     """Recursively compute system availability with precise calculations."""
-    if isinstance(structure, str):  # base case
+    if isinstance(structure, str):  # base case - component
         if structure not in availabilities:
             raise ValueError(f"Component '{structure}' not found in availabilities")
         return float(Decimal(str(availabilities[structure])))
@@ -39,7 +36,7 @@ def system_availability(structure: Structure, availabilities: Dict[str, float])
             if not components:  # Handle empty series
                 return 1.0
             
-            # Convert to Decimal for precise calculation
+            # Series: A_system = A1 * A2 * ... * An
             product = Decimal('1.0')
             for s in components:
                 availability = system_availability(s, availabilities)
@@ -51,7 +48,7 @@ def system_availability(structure: Structure, availabilities: Dict[str, float])
             if not components:  # Handle empty parallel
                 return 0.0
             
-            # Calculate 1 - prod(1 - availability) with high precision
+            # Parallel: A_system = 1 - (1-A1) * (1-A2) * ... * (1-An)
             product = Decimal('1.0')
             for s in components:
                 availability = system_availability(s, availabilities)
@@ -62,8 +59,9 @@ def system_availability(structure: Structure, availabilities: Dict[str, float])
             return float(result)
         
         elif "parallel_no_redundancy" in structure:
+            # Load sharing - system availability is minimum of components
             components = structure["parallel_no_redundancy"]
-            if not components:  # Handle empty parallel_no_redundancy
+            if not components:
                 return 0.0
             
             availabilities_list = [system_availability(s, availabilities) for s in components]
@@ -88,140 +86,207 @@ def get_all_components(structure: Structure) -> set:
     return components
 
 
-def compute_contributions(structure: Structure, availabilities: Dict[str, float]):
+def birnbaum_importance(structure: Structure, availabilities: Dict[str, float], component: str) -> float:
     """
-    Compute contributions of each component to system availability.
+    Calculate Birnbaum importance for a component.
-    Handles nested structures recursively with precise calculations.
-    """
-    # Convert all availabilities to precise decimals for internal calculations
-    precise_availabilities = {k: float(Decimal(str(v))) for k, v in availabilities.items()}
-    
-    # Validate inputs
-    all_components = get_all_components(structure)
-    missing_components = all_components - set(precise_availabilities.keys())
-    if missing_components:
-        missing_availabilities = {node: 1.0 for node in missing_components}  # Changed from 100 to 1.0 (assuming availability is 0-1 range)
-        log.warning(f"Missing Component: {missing_components}")
-        precise_availabilities.update(missing_availabilities)
     
-    baseline = system_availability(structure, precise_availabilities)
+    Birnbaum importance = ∂A_system/∂A_component
-    deltas = {c: Decimal('0.0') for c in precise_availabilities}
     
-    def force_component_down(substructure: Structure, component: str, avail_copy: Dict[str, float]):
+    This is approximated as:
-        """Recursively set a component's availability to 0 in the structure."""
+    I_B = A_system(A_i=1) - A_system(A_i=0)
-        if isinstance(substructure, str):
-            if substructure == component:
-                avail_copy[substructure] = 0.0
-        elif isinstance(substructure, dict):
-            for component_list in substructure.values():
-                for sub_component in component_list:
-                    force_component_down(sub_component, component, avail_copy)
     
-    def recurse_contributions(substructure: Structure, avail: Dict[str, float], weight: Decimal):
+    Where A_i is the availability of component i.
     """
-        Recursively assign contributions with precise arithmetic.
+    # Create copies for calculations
-        weight = fraction of total system availability change attributed to this substructure.
+    avail_up = availabilities.copy()
-        """
+    avail_down = availabilities.copy()
-        if isinstance(substructure, str):
-            deltas[substructure] += weight
-            return
     
-        if isinstance(substructure, dict):
+    # Set component availability to 1 (perfect)
-            if "series" in substructure:
+    avail_up[component] = 1.0
-                # In series, each component contributes equally to the weight
-                for s in substructure["series"]:
-                    recurse_contributions(s, avail, weight)
     
-            elif "parallel" in substructure:
+    # Set component availability to 0 (failed)
-                # For parallel systems, calculate delta contribution for each branch
+    avail_down[component] = 0.0
-                for s in substructure["parallel"]:
-                    av_copy = avail.copy()
     
-                    # Get all components in this branch and force them down
+    # Calculate system availability in both cases
-                    branch_components = get_all_components(s)
+    system_up = system_availability(structure, avail_up)
-                    for comp in branch_components:
+    system_down = system_availability(structure, avail_down)
-                        force_component_down(substructure, comp, av_copy)
     
-                    reduced = system_availability(substructure, av_copy)
+    # Birnbaum importance is the difference
-                    delta = Decimal(str(baseline)) - Decimal(str(reduced))
+    return system_up - system_down
 
-                    if delta > 0:  # Only distribute weight if there's actual contribution
-                        baseline_decimal = Decimal(str(baseline))
-                        contribution_weight = (delta * weight / baseline_decimal) if baseline_decimal > 0 else Decimal('0')
-                        recurse_contributions(s, avail, contribution_weight)
 
-            elif "parallel_no_redundancy" in substructure:
+def criticality_importance(structure: Structure, availabilities: Dict[str, float], component: str) -> float:
-                components = substructure["parallel_no_redundancy"]
+    """
-                component_values = []
+    Calculate Criticality importance for a component.
     
-                for s in components:
+    Criticality importance = Birnbaum importance * (1 - A_component) / (1 - A_system)
-                    component_values.append((s, system_availability(s, avail)))
     
-                # Find minimum availability with proper float comparison
+    This represents the probability that component i is critical to system failure.
-                min_val = min(val for _, val in component_values)
+    """
+    birnbaum = birnbaum_importance(structure, availabilities, component)
+    system_avail = system_availability(structure, availabilities)
+    component_avail = availabilities[component]
     
-                # Use small epsilon for float comparison
+    if system_avail >= 1.0:  # Perfect system
-                epsilon = Decimal('1e-10')
+        return 0.0
-                weakest_components = [comp for comp, val in component_values 
-                                    if abs(Decimal(str(val)) - Decimal(str(min_val))) < epsilon]
     
-                # Distribute weight equally among weakest components
+    criticality = birnbaum * (1.0 - component_avail) / (1.0 - system_avail)
-                if weakest_components:
+    return criticality
-                    weight_per_weakest = weight / Decimal(str(len(weakest_components)))
-                else:
-                    weight_per_weakest = Decimal('0')
 
-                for s in components:
-                    if s in weakest_components:
-                        recurse_contributions(s, avail, weight_per_weakest)
-                    else:
-                        recurse_contributions(s, avail, Decimal('0.0'))
 
-    # Start recursion with full baseline weight
+def fussell_vesely_importance(structure: Structure, availabilities: Dict[str, float], component: str) -> float:
-    if baseline > 0:
+    """
-        recurse_contributions(structure, precise_availabilities, Decimal(str(baseline)))
+    Calculate Fussell-Vesely importance for a component.
     
-    # Convert deltas back to float for final calculations
+    FV importance = (A_system - A_system(A_i=0)) / A_system
-    deltas_float = {k: float(v) for k, v in deltas.items()}
-    total_delta = sum(deltas_float.values())
     
-    # Calculate percentages with precision handling
+    This represents the fractional decrease in system availability when component i fails.
-    if total_delta > 1e-10:  # Use small epsilon instead of direct comparison to 0
+    """
-        total_delta_decimal = Decimal(str(total_delta))
+    system_avail = system_availability(structure, availabilities)
-        percentages = {c: float(Decimal(str(d)) / total_delta_decimal) for c, d in deltas_float.items()}
-    else:
-        percentages = {c: 0.0 for c in deltas_float.keys()}
     
-    # Ensure percentages sum to 1.0 (or very close) by normalizing
+    if system_avail <= 0.0:
-    percentage_sum = sum(percentages.values())
+        return 0.0
-    if percentage_sum > 1e-10:  # Only normalize if sum is meaningful
-        percentages = {k: v / percentage_sum for k, v in percentages.items()}
     
-    return baseline, deltas_float, percentages
+    # Calculate system availability with component failed
+    avail_down = availabilities.copy()
+    avail_down[component] = 0.0
+    system_down = system_availability(structure, avail_down)
     
+    fv = (system_avail - system_down) / system_avail
+    return fv
 
-def calculate_contribution(availabilities):
-    """Calculate contribution with input validation and normalization."""
-    with open('src/aeros_contribution/result.json', 'r') as model_file:
-        structure = json.load(model_file)
 
-    # Normalize availabilities to 0-1 range if they appear to be percentages
+def compute_all_importance_measures(structure: Structure, availabilities: Dict[str, float]) -> Dict[str, Dict[str, float]]:
+    """
+    Compute all importance measures for each component.
+    
+    Returns:
+        Dictionary with component names as keys and importance measures as values
+    """
+    # Normalize availabilities to 0-1 range if needed
     normalized_availabilities = {}
     for k, v in availabilities.items():
         if v > 1.0:
-            # Assume it's a percentage, convert to fraction
             normalized_availabilities[k] = v / 100.0
         else:
             normalized_availabilities[k] = v
-        
         # Clamp to valid range [0, 1]
         normalized_availabilities[k] = max(0.0, min(1.0, normalized_availabilities[k]))
     
-    baseline, deltas, percentages = compute_contributions(structure, normalized_availabilities)
+    # Get all components in the system
+    all_components = get_all_components(structure)
+    
+    # Check for missing components
+    missing_components = all_components - set(normalized_availabilities.keys())
+    if missing_components:
+        log.warning(f"Missing components (assuming 100% availability): {missing_components}")
+        for comp in missing_components:
+            normalized_availabilities[comp] = 1.0
+    
+    # Calculate system baseline availability
+    system_avail = system_availability(structure, normalized_availabilities)
+    
+    # Calculate importance measures for each component
+    results = {}
+    total_birnbaum = 0.0
+    
+    for component in all_components:
+        if component in normalized_availabilities:
+            birnbaum = birnbaum_importance(structure, normalized_availabilities, component)
+            criticality = criticality_importance(structure, normalized_availabilities, component)
+            fv = fussell_vesely_importance(structure, normalized_availabilities, component)
+            
+            results[component] = {
+                'birnbaum_importance': birnbaum,
+                'criticality_importance': criticality,
+                'fussell_vesely_importance': fv,
+                'component_availability': normalized_availabilities[component]
+            }
+            
+            total_birnbaum += birnbaum
+    
+    # Calculate contribution percentages based on Birnbaum importance
+    if total_birnbaum > 0:
+        for component in results:
+            contribution_pct = results[component]['birnbaum_importance'] / total_birnbaum
+            results[component]['contribution_percentage'] = contribution_pct
+    else:
+        for component in results:
+            results[component]['contribution_percentage'] = 0.0
+    
+    # Add system-level information
+    results['_system_info'] = {
+        'system_availability': system_avail,
+        'system_unavailability': 1.0 - system_avail,
+        'total_birnbaum_importance': total_birnbaum
+    }
+    
+    return results
+
+
+def calculate_contribution_accurate(availabilities: Dict[str, float], structure_file: str = 'src/aeros_contribution/result.json') -> Dict[str, Dict[str, float]]:
+    """
+    Calculate component contributions using proper importance measures.
+    
+    Args:
+        availabilities: Dictionary of component availabilities
+        structure_file: Path to RBD structure JSON file
+        
+    Returns:
+        Dictionary containing all importance measures and contributions
+    """
+    try:
+        with open(structure_file, 'r') as model_file:
+            structure = json.load(model_file)
+    except FileNotFoundError:
+        raise FileNotFoundError(f"Structure file not found: {structure_file}")
+    except json.JSONDecodeError:
+        raise ValueError(f"Invalid JSON in structure file: {structure_file}")
+    
+    # Compute all importance measures
+    results = compute_all_importance_measures(structure, availabilities)
+    
+    # Extract system information
+    system_info = results.pop('_system_info')
+    
+    # Log results
+    log.info(f"System Availability: {system_info['system_availability']:.6f}")
+    log.info(f"System Unavailability: {system_info['system_unavailability']:.6f}")
+    
+    # Sort components by Birnbaum importance (most critical first)
+    sorted_components = sorted(results.items(), 
+                             key=lambda x: x[1]['birnbaum_importance'], 
+                             reverse=True)
+    
+    print("\n=== COMPONENT IMPORTANCE ANALYSIS ===")
+    print(f"System Availability: {system_info['system_availability']:.6f} ({system_info['system_availability']*100:.4f}%)")
+    print(f"System Unavailability: {system_info['system_unavailability']:.6f}")
+    print("\nComponent Rankings (by Birnbaum Importance):")
+    print(f"{'Component':<20} {'Availability':<12} {'Birnbaum':<12} {'Criticality':<12} {'F-V':<12} {'Contribution%':<12}")
+    print("-" * 92)
+    
+    for component, measures in sorted_components:
+        print(f"{component:<20} {measures['component_availability']:<12.6f} "
+              f"{measures['birnbaum_importance']:<12.6f} {measures['criticality_importance']:<12.6f} "
+              f"{measures['fussell_vesely_importance']:<12.6f} {measures['contribution_percentage']*100:<12.4f}")
+    
+    # Return results with system info included
+    # results['_system_info'] = system_info
+    
+    return results
+
+
+# Legacy function for backwards compatibility
+def calculate_contribution(availabilities):
+    """Legacy function - redirects to improved version."""
+    try:
+        return calculate_contribution_accurate(availabilities)
+    except Exception as e:
+        log.error(f"Error in contribution calculation: {e}")
+        raise
+
 
-    log.info(f"System EAF: {baseline:.10f}")
 
-    return percentages
 
 
 async def update_contribution_bulk_mappings(*, db_session, simulation_id):
@@ -235,19 +300,22 @@ async def update_contribution_bulk_mappings(*, db_session, simulation_id):
     # Ensure availability values are properly normalized
     availabilities = {}
     for calc in calc_results:
-        availability = calc.availability  # Convert percentage to fraction
+        availability = calc.availability
-        # Clamp to valid range and handle potential precision issues
-        availability = max(0.0, min(1.0, availability))
         availabilities[calc.aeros_node.node_name] = availability
     
-    contribution = calculate_contribution(availabilities)
+    importance = calculate_contribution(availabilities)
     
     # Prepare bulk update data with rounded contributions to avoid precision issues in DB
     for calc in calc_results:      
-        contribution_value = contribution.get(calc.aeros_node.node_name, 0.0)
         # Round to reasonable precision for database storage
-        calc.contribution = round(contribution_value, 10)
+        eq_importance =  importance.get(calc.aeros_node.node_name, {})
+        
+        if not eq_importance:
+            continue
+        
+        calc.contribution = importance.get(calc.aeros_node.node_name).get('birnbaum_importance', 0)
+        calc.criticality = importance.get(calc.aeros_node.node_name).get('criticality_importance', 0)
     
     await db_session.commit()
     
-    return contribution
+    return importance

src/aeros_simulation/model.py

@@ -128,6 +128,7 @@ class AerosSimulationCalcResult(Base, DefaultMixin):
     mttr = Column(Integer, nullable=True)
     parameters = Column(JSON, nullable=True)
     contribution = Column(Float, nullable=True)
+    criticality = Column(Float, nullable=True)
 
     aeros_simulation_id = Column(
         UUID(as_uuid=True), ForeignKey("rbd_tr_aeros_simulation.id"), nullable=False

src/aeros_simulation/router.py

@@ -30,6 +30,7 @@ from .service import (
     # execute_simulation,
     get_all,
     get_custom_parameters,
+    get_default_simulation,
     get_simulation_by_id,
     get_simulation_with_calc_result,
     get_simulation_with_plot_result,
@@ -81,7 +82,7 @@ async def run_simulations(
     )
     simulation_id = simulation.id
     
-    # simulation_id = "dece6294-13c0-4dce-82d6-5d79b66e730e"
+    # simulation_id = "efa8ef4c-0417-4d2d-95f3-41e4283737ab"
 
     project = await get_project(db_session=db_session)
 
@@ -91,7 +92,7 @@ async def run_simulations(
         sim_data["projectName"] = project.project_name
 
 
-        # ##background_tasks.add_task(execute_simulation, db_session=db_session ,simulation_id=simulation_id, sim_data=sim_data)
+        # # ##background_tasks.add_task(execute_simulation, db_session=db_session ,simulation_id=simulation_id, sim_data=sim_data)
 
         results = await update_equipment_for_simulation(
             db_session=db_session, project_name=project.project_name, schematic_name=simulation_in.SchematicName, custom_input=simulation_in.CustomInput
@@ -124,6 +125,10 @@ async def run_simulations(
 )
 async def get_simulation_result(db_session: DbSession, simulation_id, schematic_name: Optional[str] = Query(None), node_type = Query(None, alias="nodetype")):
     """Get simulation result."""
+    if simulation_id == 'default':
+        simulation = await get_default_simulation(db_session=db_session)
+        simulation_id = simulation.id
+    
     simulation_result = await get_simulation_with_calc_result(
         db_session=db_session, simulation_id=simulation_id, schematic_name=schematic_name, node_type=node_type
     )
@@ -140,6 +145,11 @@ async def get_simulation_result(db_session: DbSession, simulation_id, schematic_
 )
 async def get_simulation_result_plant(db_session: DbSession, simulation_id):
     """Get simulation result."""
+    if simulation_id == 'default':
+        simulation = await get_default_simulation(db_session=db_session)
+        simulation_id = simulation.id
+    
+    
     simulation_result = await get_plant_calc_result(
         db_session=db_session, simulation_id=simulation_id
     )
@@ -158,6 +168,10 @@ async def get_simulation_result_plant(db_session: DbSession, simulation_id):
 )
 async def get_simulation_result_plot(db_session: DbSession, simulation_id):
     """Get simulation result."""
+    if simulation_id == 'default':
+        simulation = await get_default_simulation(db_session=db_session)
+        simulation_id = simulation.id
+    
     simulation_result = await get_simulation_with_plot_result(
         db_session=db_session, simulation_id=simulation_id
     )
@@ -175,6 +189,11 @@ async def get_simulation_result_plot(db_session: DbSession, simulation_id):
 )
 async def get_simulation_result_plot_per_node(db_session: DbSession, simulation_id, node_id, use_location_tag: Optional[int] = Query(0)):
     """Get simulation result."""
+    if simulation_id == 'default':
+        simulation = await get_default_simulation(db_session=db_session)
+        simulation_id = simulation.id
+    
+    
     simulation_result = await get_simulation_with_plot_result(
         db_session=db_session, simulation_id=simulation_id, node_id=node_id, use_location_tag=use_location_tag
     )
@@ -189,6 +208,11 @@ async def get_simulation_result_plot_per_node(db_session: DbSession, simulation_
 @router.get("/result/ranking/{simulation_id}", response_model=StandardResponse[List[SimulationRankingParameters]])
 async def get_simulation_result_ranking(db_session: DbSession, simulation_id):
     """Get simulation result."""
+    if simulation_id == 'default':
+        simulation = await get_default_simulation(db_session=db_session)
+        simulation_id = simulation.id
+    
+    
     simulation_result = await get_result_ranking(db_session=db_session, simulation_id=simulation_id)
 
     return {

src/aeros_simulation/schema.py

@@ -63,6 +63,7 @@ class SimulationCalc(BaseModel):
     derating_hours: Optional[float]
     aeros_node: SimulationNode
     contribution: Optional[float] = 0
+    criticality: Optional[float]
 
 class SimulationPlot(BaseModel):
     id: UUID

src/aeros_simulation/service.py

@@ -78,6 +78,18 @@ async def get_simulation_by_id(
     results = await db_session.execute(query)
     return results.scalar()
 
+async def get_default_simulation(
+    *,
+    db_session:DbSession
+): 
+    query = select(AerosSimulation)
+    query = query.where(AerosSimulation.status == "completed").where(AerosSimulation.is_default == True)
+    query = query.order_by(AerosSimulation.created_at.desc()).limit(1)
+
+    results = await db_session.execute(query)
+    return results.scalar()
+    
+
 async def get_simulation_node_by(*, db_session: DbSession, **kwargs):
     """Get a simulation node by column."""
     # Build WHERE conditions from kwargs
@@ -382,7 +394,7 @@ async def execute_simulation(*, db_session: DbSession, simulation_id: Optional[U
     try:
         if not is_saved:
             response = await client.post(
-            f"{AEROS_BASE_URL_OLD}/api/Simulation/RunSimulation",
+            f"{AEROS_BASE_URL}/api/Simulation/RunSimulation",
             json=sim_data,
             headers={"Content-Type": "application/json"},
         )
@@ -864,12 +876,16 @@ async def save_recusive_simulation_result_node(*, db_session: DbSession, data, s
     #  continue looping through all plot data, check if it regular node and schemmaticName = highest parent schematic ID, save
     # If schematicName = Parent schematic name, but not regular node, that mean that node is schematic and should have children
     # search for children schematic and save them
+    with open("model/structure_name.json", 'r') as structure_file:
+        structure_data = json.load(structure_file)
 
+    structure_dict = {
+        result["node_name"]: result["structure_name"] 
+        for result in structure_data 
+        if result["node_name"] is not None
+}   
 
     plotResult = data["plotNodeOuts"]
-
-    structure_names = {result["nodeName"]:result["structureName"] for result in data["nodeResultOuts"]}
-
     results = []
 
     for result in plotResult:
@@ -882,7 +898,7 @@ async def save_recusive_simulation_result_node(*, db_session: DbSession, data, s
                 node_type="RegularNode",
                 schematic_name=schematic_name,
                 aeros_schematic_id=aeros_schematic_id,
-                structure_name=structure_names.get(result["nodeName"])
+                structure_name=structure_dict.get(result["nodeName"])
             )
 
             results.append(node)
@@ -896,7 +912,7 @@ async def save_recusive_simulation_result_node(*, db_session: DbSession, data, s
                 schematic_id=schematic_id,
                 node_type="SchematicNode",
                 aeros_schematic_id=aeros_schematic_id,
-                structure_name=structure_names.get(result["nodeName"])
+                structure_name=structure_dict.get(result["nodeName"])
             )
             results.append(schematic)