Abstract

The Modelica Fluid library provides a framework and a large number of components for thermo-fluid applications. This should simplify the task of modeling a large pneumat-ics system considerably. Nevertheless a lot of problems remain. Some of them are due to the lack of important components that are difficult to model, others are related to deficiencies of the used modeling software. But the really hard problems come from conceptual difficulties that are well known to experts and plague the practical model-er. The lessons learned from building and using a basic pneumatics library show what is feasible right now - and where future work is needed to make modeling of fluid systems easier.