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A Generic Framework for Computer-Aided Multiscale Modelling.

Zhao, Yang. (2011) A Generic Framework for Computer-Aided Multiscale Modelling. Doctoral thesis, University of Surrey (United Kingdom)..

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Abstract

A multiscale model combines the models of different resolution scales of a complex system for improved accuracy, reliability, and/or computational efficiency. As a generic modelling paradigm, multiscale modelling is now widely regarded as a promising and powerful tool in various disciplines, including the broad area of process engineering. On the other hand, a multiscale model is usually much more difficult to develop than a single-scale model due to difficulties in a number of aspects. Consequently, the application of multiscale modelling still remains a challenging task. This work identifies the key challenges faced by computer-aided multiscale modelling and proposes an overarching methodology to tackle these challenges, which explores the way to a computer-based, generic and open supporting framework for multi scale modelling. As the theoretical foundation of this framework, a generic ontology representing a unified theory of multiscale modelling and a domain ontology regarding to chemical process engineering are developed. Furthermore, a set of computer-based tools are designed and implemented according to this methodology, including a conceptual modelling tool which addresses the issues occurred during the construction of conceptual multiscale model, a model realisation tool which transfers the conceptual model into a form which is ready to be executed and a model execution tool which actually solves the model. Moreover, a computer-aided environment supporting multiscale discrete event modelling is also developed based on the overarching methodology. All the prototypical tools have been evaluated by specific modelling examples. Overall, the results show that it is feasible to develop generic compuer-based tools to support multiscale modelling at different stages of a modelling process.

Item Type: Thesis (Doctoral)
Divisions : Theses
Authors : Zhao, Yang.
Date : 2011
Additional Information : Thesis (Ph.D.)--University of Surrey (United Kingdom), 2011.
Depositing User : EPrints Services
Date Deposited : 14 May 2020 15:43
Last Modified : 14 May 2020 15:46
URI: http://epubs.surrey.ac.uk/id/eprint/856838

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