diff --git a/src/aeros_contribution/service.py b/src/aeros_contribution/service.py
index f36cd40..d084077 100644
--- a/src/aeros_contribution/service.py
+++ b/src/aeros_contribution/service.py
@@ -315,6 +315,7 @@ async def update_contribution_bulk_mappings(*, db_session, simulation_id):
         
         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)
+        calc.contribution_factor = importance.get(calc.aeros_node.node_name).get('fussell_vesely_importance', 0)
     
     await db_session.commit()
     
diff --git a/src/aeros_simulation/model.py b/src/aeros_simulation/model.py
index 8fce61d..a21c920 100644
--- a/src/aeros_simulation/model.py
+++ b/src/aeros_simulation/model.py
@@ -131,6 +131,7 @@ class AerosSimulationCalcResult(Base, DefaultMixin):
     parameters = Column(JSON, nullable=True)
     contribution = Column(Float, nullable=True)
     criticality = Column(Float, nullable=True)
+    contribution_factor = Column(Float, nullable=True)
 
     aeros_simulation_id = Column(
         UUID(as_uuid=True), ForeignKey("rbd_tr_aeros_simulation.id"), nullable=False