对齐Amesim氦气PR物性与PNVO流量

app/simulation/systems/generic.py

@@ -268,8 +268,13 @@ class GenericFluidSystem:
                 component.refresh_thermodynamic_ports()
             algebraic = self.pressure_flow_solver.solve()
         stream, connected_h = self.stream_resolver.solve()
+        # Some constitutive flow laws recover their upstream temperature from
+        # the connected stream enthalpy.  Stream propagation updates that
+        # cache after the first pressure-flow pass, so refresh explicit flows
+        # once more before evaluating state derivatives and result variables.
+        algebraic = self.pressure_flow_solver.solve()
         self.mechanical_state_reducer.update_constraint_accelerations()
-        self.algebraic_solve_count += 1 + int(bool(pneumatic_volume.propagated))
+        self.algebraic_solve_count += 2 + int(bool(pneumatic_volume.propagated))
         self.max_algebraic_residual = max(
             self.max_algebraic_residual,
             algebraic.max_scaled_residual,