Journal
MODEL VALIDATION AND UNCERTAINTY QUANTIFICATION, VOL 3
Volume -, Issue -, Pages 285-295Publisher
SPRINGER INTERNATIONAL PUBLISHING AG
DOI: 10.1007/978-3-030-12075-7_34
Keywords
Digital twins; Mirrors; Virtualisations; Verification and validation (V&V)
Categories
Funding
- UK Engineering and Physical Sciences Research Council (EPSRC) [EP/J016942/1, EP/K003836/2]
- EPSRC [EP/K003836/2, EP/S001565/1] Funding Source: UKRI
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A powerful new idea in the computational representation of structures is that of the digital twin. The concept of the digital twin emerged and developed over the last two decades, and has been identified by many industries as a highly-desired technology. The current situation is that individual companies often have their own definitions of a digital twin, and no clear consensus has emerged. In particular, there is no current mathematical formulation of a digital twin. A companion paper to the current one will attempt to present the essential components of the desired formulation. One of those components is identified as a rigorous representation theory of models, how they are validated, and how validation information can be transferred between models. The current paper will outline the basic ingredients of such a theory, based on the introduction of two new concepts: mirrors and virtualisations. The paper is not intended as a passive wish-list; it is intended as a rallying call. The new theory will require the active participation of researchers across a number of domains including: pure and applied mathematics, physics, computer science and engineering. The paper outlines the main objects of the theory and gives examples of the sort of theorems and hypotheses that might be proved in the new framework.
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