The evaluation of the mechanical behaviour of a product through a FE simulation requires an adaptation of the shape represented in its CAD model. During this shape modification process, several shape sub-domains are removed to simplify the subsequent mesh generation and FE solving tasks. The removal of a shape sub-domain is always driven by a specific mechanical criterion. In the proposed approach, the preparation of the simulation model takes place in a software environment based on a mixed geometric representation, which considers as reference polyhedral models but enables to keep the semantics of the input CAD models. We developed efficient complex operators for handling shape sub-domains by combining basic operators acting on the polyhedral model with different kinds of mechanical criteria and semantic information. These operators enable to respect user’s purposes and hypotheses as well as the specifications of the targeted mechanical problem. In this paper, we illustrate the various aspects and information involved in their definition and use.
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ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
September 4–7, 2007
Las Vegas, Nevada, USA
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
0-7918-4803-5
PROCEEDINGS PAPER
Semantic Operators for Handling Shape Sub-Domains in FE Model Preparation
Rosalinda Ferrandes,
Rosalinda Ferrandes
G-Scop Laboratory, Grenoble, France
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Jean-Claude Le´on,
Jean-Claude Le´on
G-Scop Laboratory, Grenoble, France
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Franca Giannini,
Franca Giannini
IMATI-CNR Genova, Genova, Italy
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Bianca Falcidieno,
Bianca Falcidieno
IMATI-CNR Genova, Genova, Italy
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Phillipe Marin
Phillipe Marin
3S-R Laboratory, Grenoble, France
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Rosalinda Ferrandes
G-Scop Laboratory, Grenoble, France
Jean-Claude Le´on
G-Scop Laboratory, Grenoble, France
Franca Giannini
IMATI-CNR Genova, Genova, Italy
Bianca Falcidieno
IMATI-CNR Genova, Genova, Italy
Phillipe Marin
3S-R Laboratory, Grenoble, France
Paper No:
DETC2007-35255, pp. 223-232; 10 pages
Published Online:
May 20, 2009
Citation
Ferrandes, R, Le´on, J, Giannini, F, Falcidieno, B, & Marin, P. "Semantic Operators for Handling Shape Sub-Domains in FE Model Preparation." Proceedings of the ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 2: 27th Computers and Information in Engineering Conference, Parts A and B. Las Vegas, Nevada, USA. September 4–7, 2007. pp. 223-232. ASME. https://doi.org/10.1115/DETC2007-35255
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