Formal Language for GeoSpelling

Author:

Ballu Alex1,Mathieu Luc2,Dantan Jean-Yves3

Affiliation:

1. University of Bordeaux, I2M, UMR 5295, 351 Cours de la Libération, Talence 33400, France e-mail:

2. LURPA, ENS Cachan—Paris Sud, 61 Avenue du Président Wilson, Cachan 94235, France e-mail:

3. LCFC, Arts et Métiers ParisTech, 4 rue A. Fresnel, Metz 57078, France e-mail:

Abstract

In order to tackle the ambiguities of geometrical product specification (GPS), GeoSpelling language has been developed to express the semantics of specifications. A detailed syntax of GeoSpelling is proposed in this paper. A specification is defined as a sequence of operations on the skin model. The syntax is based on instructions used in computer programming language: call to functions and flow control by condition and loop. In GeoSpelling, the call to functions corresponds to the declaration of operations; loops make it possible to manage a set of features with rigor and conditions to select features from a set.

Publisher

ASME International

Subject

Industrial and Manufacturing Engineering,Computer Graphics and Computer-Aided Design,Computer Science Applications,Software

Reference13 articles.

1. Ballu, A., and Mathieu, L., 1995, “Univocal Expression of Functional and Geometrical Tolerances for Design, Manufacture and Inspection,” Proceedings of the 4th CIRP International Seminar on Computer Aided Tolerancing, Tokyo, Japan, pp. 31–46.

2. Srinivassan, V., 2001, “An Integrated View of Geometrical Product Specification and Verification,” Proceedings of the 7th CIRP International Seminar on Computer Aided Tolerancing, France.

3. Ballu, A., Mathieu, L., and Dantan, J.-Y., 2001, “Global View of Geometrical Specifications,” Proceedings of the 7th CIRP International Seminar on Computer-Aided Tolerancing, France, pp. 19–30.

4. Expression des Spécifications Géométriques des Produits—Classification des éléments géométriques,2001

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