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Title: Feature modelling: a validation methodology and its evaluation
Authors: Case, Keith
Hounsell, Marcelo da Silva
Keywords: CAD/CAM
Feature based design
Issue Date: 2000
Publisher: © Elsevier
Citation: CASE, K. and HOUNSELL, M.S., 2000. Feature modelling: a validation methodology and its evaluation. Journal of Materials Processing Technology, 107 (1-3), pp. 15 - 23.
Abstract: Geometric modelling techniques for computer-aided design are provided with formal validation methods to ensure that a valid model is made available to applications such as interference checking. A natural and popular extension to geometric modelling is to group geometric entities into features that provide some extra meaning for one or more aspects of design or manufacture. These extra meanings are typically loosely formulated, in which case it is not possible to validate the feature-based model to ensure that it provides a correct representation for a downstream activity such as process planning. This paper presents a methodology used to validate the feature-based representation which is based on the capture of designer’s intents related to functional, relational and volumetric aspects of the component geometry. The feature-based validation method has itself been validated through its application to a series of test parts which have been either drawn from the literature or created to demonstrate particular aspects. It is shown that the prototype system that has been developed is indeed capable of meaningful feature-based model validation and additionally provides extensive information that is potentially useful to a range of engineering and manufacturing analysis activities.
Description: This is the author’s version of a work that was accepted for publication in the Journal of Materials Processing Technology. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Materials Processing Technology, 107, (1-3), 2000, DOI: 10.1016/S0924-0136(00)00693-2
Version: Accepted for publication
DOI: 10.1016/S0924-0136(00)00693-2
URI: https://dspace.lboro.ac.uk/2134/15547
Publisher Link: http://dx.doi.org/10.1016/S0924-0136(00)00693-2
ISSN: 0924-0136
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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