Holistic digital function modelling with graph-based design languages

DS 94: Proceedings of the Design Society: 22nd International Conference on Engineering Design (ICED19)

Year: 2019
Editor: Wartzack, Sandro; Schleich, Benjamin; Gon
Author: Elwert, Michael (1); Ramsaier, Manuel (1); Eisenbart, Boris (2); Stetter, Ralf (1)
Series: ICED
Institution: University of Applied Sciences Ravensburg-Weingarten
Section: Design methods and tools
DOI number: https://doi.org/10.1017/dsi.2019.158
ISSN: 2220-4342


Graph-based design languages offer a promising approach to address several major issues in engineering, e. g. the laborious manual transfer between CAD and CAE. Such languages generate a digital meta- or system model storing all relevant information about a design and feed this into any relevant CAE tool as needed to simulate and test the impact of any design variation on the resulting product performance. As this can be automated in digital compilers to perform systematic design variation for an almost infinite amount of parameters, such graph-based languages are a powerful means to generate viable design alternatives and thus permit fast evaluations.

To leverage the full potential of graph-based design languages, possibilities are presented to expand their applicability into the domain of product functions. This possibilities allow to cohesively link integrative function modelling to product structures. This intends to close the gap between the early, abstract stages and the systematic, concrete design generation and validation with relevant CAE tools. In this paper, the IFM Framework was selected as integrated function model to be linked with the graph-based design languages.

Keywords: Functional modelling, Systems Engineering (SE), Digital / Digitised engineering value chains


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