Export to Modelica and execution of the SysML/SysPhS block ConnectedTanks Gallery Tutorial TRAIL: SysPhS-1.1 Annex A examples in MagicDraw/Cameo SysML vs Modelica (Wolfram SystemsModeler) Section Annex A.4: Hydraulics Slide kind plot
In nonideal fluid dynamics, the Hagen–Poiseuille equation ... is a physical law that gives the pressure drop in an incompressible and Newtonian fluid in laminar flow flowing through a long cylindrical pipe of constant cross section. Source Wikipedia