Hydraulics Library v4.10 is part of Modelon’s 2019.1 release.

New versions of Modelon libraries are sold and distributed directly from Modelon, as well as approved resellers.


  • In the base class Hydraulics.Restrictions.Basic.Templates.Base, the variable D was set as an input to clearly specify its nature.

Fixed Issues

  • In the model Hydraulics.Restrictions.Basic.Turbulent, the parameter diameter was not properly linked with the pressure/flow caracteristic equation. To do so, the modifier D=diameter was added to the extended Hydraulics.Restrictions.Basic.Templates.Base class. This way, the computation of the Reynolds number in the base class is also correct.

Conversion of user libraries

  • No conversion is required from the previous version 4.9.


  • Hydraulics 4.10 is based on Modelon Base Library 3.3 and Modelica Standard Library 3.2.2.