fix: bound reported pipe friction diagnostics

app/simulation/components/amesim/flow/pipes.py

@@ -27,6 +27,13 @@ from app.simulation.core.ports import PortDefinition
 from app.simulation.core.state import VolumeState
 
 
+_MAX_REPORTED_FRICTION_FACTOR = 64_000_000.0
+
+
+def _reported_friction_factor(value: float) -> float:
+    return min(float(value), _MAX_REPORTED_FRICTION_FACTOR)
+
+
 _DYNAMIC_PIPE_POLYTROPIC_MODE = ParameterCondition("mode", (1.0,))
 _DYNAMIC_PIPE_HEAT_EXCHANGE_MODE = ParameterCondition("mode", (2.0,))
 _DYNAMIC_PIPE_PARAMETER_GROUPS = (
@@ -315,7 +322,7 @@ class AmesimPnl00r(AlgebraicComponent):
             "re": reynolds,
             "cm": cm,
             "v": velocity,
-            "ff": self.friction_factor(reynolds),
+            "ff": _reported_friction_factor(self.friction_factor(reynolds)),
         }
 
     def pressure_flow_equation_values(self) -> tuple[float, ...]:
@@ -842,7 +849,7 @@ class AmesimPnl0001(ThermodynamicVolumeComponent):
                 / max(self.area * upstream_pressure, 1.0e-18)
             ),
             "v": flow / (density * self.area),
-            "ff": self.friction_factor(reynolds),
+            "ff": _reported_friction_factor(self.friction_factor(reynolds)),
         }
 
     def pressure_flow_equation_values(self) -> tuple[float, ...]:
@@ -1092,7 +1099,7 @@ class AmesimPnl0002(AmesimPnl0001):
             "re": reynolds,
             "cm": cm,
             "v": velocity,
-            "ff": friction,
+            "ff": _reported_friction_factor(friction),
         }
 
     def pressure_flow_equation_values(self) -> tuple[float, ...]:
@@ -1442,7 +1449,7 @@ class AmesimPnl0003(DynamicComponent):
                 / max(self.area * max(port_1.p, port_2.p, 1.0), 1.0e-18)
             ),
             "v": center_flow / (max(upstream.rho, 1.0e-12) * self.area),
-            "ff": self.friction_factor(reynolds),
+            "ff": _reported_friction_factor(self.friction_factor(reynolds)),
         }
 
     def pressure_flow_equation_values(self) -> tuple[float, ...]: