MultiBondLib: Multi-bond Graph Library for Dymola/Modelica

Introduction

MultiBondLib is a graphical modeling environment that was developed in the realm of the Dymola/Modelica family of Modeling tools. MultiBondLib implements the methodology of modeling mechanical systems using multi-bond graphs, a technique that had been developed 1984 at the Universiteit Twente by Pieter Breedveld.

Bond graphs describe the power flows through a physical system. Since the concepts of energy conservation and power flow continuity are valid for all physical systems, bond graphs may be employed for modeling any and all physical phenomena.

Multi-bond graphs are a vectorial generalization of the regular bond graphs. They enable the modeler to describe multi-dimensional energy flows, as they occur e.g. in the modeling of mechanical multi-body systems, in a compact fashion.

Multi-bond graphs form an intuitively attractive modeling tool that enables its user to understand and explain the dynamics of mechanical processes clearly and succinctly. For this reason, multi-bond graphs are suitable both as a didactic and also as a highly practical tool for modeling mechanical systems.

Historical Development

The MultiBondLib library has been developed 2005/2006 by Dirk Zimmer at ETH Zurich as part of his MS thesis. It represents a generalization of the BondLib library, and has been conceptualized and structured analogously to the BondLib library.

Most Important Publications

Zimmer, D. (2006), A Modelica Library for MultiBond Graphs and its Application in 3D-Mechanics, MS Thesis, Dept. of Computational Science, ETH Zurich, Zurich, Switzerland.

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