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Automated Mixed Dimensional Modelling with the Medial Object

Robinson,Trevor, Robin Fairey, Cecil Armstrong, Hengan Ou,and Geoffrey Butlin

Proceedings, 17th International Meshing Roundtable, Springer-Verlag, pp.281-298, October 12-15 2008

IMR
PROCEEDINGS

17th International Meshing Roundtable
Pittsburgh, Pennsylvania, U.S.A.
October 12-15, 2008

School of Mechanical & Aerospace Engineering, The QueenĂ­s University of Belfast, Belfast, UK
Transcendata Europe Ltd., Cambridge, UK

Abstract
This paper describes an automatic method for generating analysis models to be meshed with finite elements of more than one dimension, known as mixed dimensional models. Mixed dimensional models offer much reduced analysis times, while not compromising simulation accuracy to the same extent as fully dimensionally reduced models composed of 2D elements stiffened using beam elements, which are currently utilised in the aerospace industry. The techniques described make possible the automatic generation of mixed dimensional models directly from CAD, allowing for rapid iteration during early design.

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