Multi-Aspect Modeling in Equation-Based Languages

Current equation-based modeling languages are often confronted with tasks that partly diverge from the original intended application area. This results out of an increasing diversity of modeling aspects. This paper briefly describes the needs and the current handling of multi-aspect modeling in different modeling languages with a strong emphasis on Modelica. Furthermore a small number of language constructs is suggested that enable a better integration of multiple aspects into the main-language. An exemplary implementation of these improvements is provided within the framework of Sol, a derivative language of Modelica.