Capturing simulation intent in an ontology: CAD and CAE integration application

Flavien Boussuge, Christopher Tierney, Harold Vilmart, Trevor Robinson, Cecil Armstrong, Declan Nolan, Jean-Claude Léon, Federico Ulliana

Research output: Contribution to journalArticle

Abstract

Computational simulation is critical in the modern engineering design process. Currently, the use of simulation is limited by the time-consuming process of converting CAD assemblies into FEA models which are efficient to run and yet sufficiently accurate. In addition to the geometric representation of components, analysts require additional knowledge to describe the complete 3D simulation model. To speed up the generation of CAE models from CAD assemblies, we propose to capture high-level modelling and idealisation decisions, characterising the simulation intent, into a knowledge-based CAE model. In this framework, a simulation intent ontology formalises and structures the analysis parameters, the modelling and idealisation decisions. The ontological concepts and relations required to incorporate two of the key capabilities, cellular modelling and equivalencing, are described. Cellular modelling introduces the concept of cells, which subdivide the 3D space, and to which simulation attributes can be attached. Equivalencing maintains the link between different representations of the cells required for different analyses throughout the analysis lifecycle. Illustrative examples show how the knowledge-based CAE model is used to manage the idealisation decisions and to apply inference rules replicating current modelling practices.
Original languageEnglish
Pages (from-to)688-725
JournalJournal of Engineering Design
Volume30
Issue number10-12
Early online date17 Jun 2019
DOIs
Publication statusPublished - Nov 2019

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Computer aided engineering
Ontology
Computer aided design
Finite element method

Keywords

  • Simulation intent
  • finite element modelling
  • cellular modelling
  • ontologies
  • CAD/CAE integration

Cite this

Boussuge, Flavien ; Tierney, Christopher ; Vilmart, Harold ; Robinson, Trevor ; Armstrong, Cecil ; Nolan, Declan ; Léon, Jean-Claude ; Ulliana, Federico. / Capturing simulation intent in an ontology: CAD and CAE integration application. In: Journal of Engineering Design. 2019 ; Vol. 30, No. 10-12. pp. 688-725.
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Capturing simulation intent in an ontology: CAD and CAE integration application. / Boussuge, Flavien; Tierney, Christopher; Vilmart, Harold; Robinson, Trevor; Armstrong, Cecil; Nolan, Declan; Léon, Jean-Claude; Ulliana, Federico.

In: Journal of Engineering Design, Vol. 30, No. 10-12, 11.2019, p. 688-725.

Research output: Contribution to journalArticle

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