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Model granularity in engineering design – concepts and framework

Maier, Jakob F.; Eckert, Claudia M. and Clarkson, P. John (2017). Model granularity in engineering design – concepts and framework. Design Science, 3, article no. e1.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1017/dsj.2016.16
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Abstract

In many engineering design contexts models are indispensable. They offer decision support and help tackle complex and interconnected design projects, capturing the underlying structure of development processes or resulting products. Because managers and engineers base many decisions on models, it is crucial to understand their properties and how these might influence their behaviour. The level of detail, or granularity, of a model is a key attribute that results from how reality is abstracted in the modelling process. Despite the direct impact granularity has on the use of a model, the general topic has so far only received limited attention and is therefore not well understood or documented. This article provides background on model theory, explores relevant terminology from a range of fields and discusses the implications for engineering design. Based on this, a classification framework is synthesised, which outlines the main manifestations of model granularity. This research contributes to theory by scrutinising the nature of model granularity. It also illustrates how this may manifest in engineering design models, using Design Structure Matrices as an example, and discusses associated challenges to provide a resource for modellers navigating decisions regarding granularity.

Item Type: Journal Item
Copyright Holders: 2017 The Authors
ISSN: 2053-4701
Keywords: model theory; model granularity; modelling and simulation; design structure matrix
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Research Group: Design and Innovation
International Development & Inclusive Innovation
Item ID: 47878
Depositing User: Claudia Eckert
Date Deposited: 24 Nov 2016 13:19
Last Modified: 14 Nov 2018 09:04
URI: http://oro.open.ac.uk/id/eprint/47878
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