Title: Development of a methodology for retrieval of similarly shaped CAD models

Authors: K. Janardhan Reddy, M. Adithan, P. Radhakrishnan

Addresses: School of Mechanical and Building Sciences, VIT University, Vellore 632014, Tamil Nadu, India. ' School of Mechanical and Building Sciences, VIT University, Vellore 632014, Tamil Nadu, India. ' PSG Institute of Advanced Studies, Coimbatore 641004, Tamil Nadu, India

Abstract: The current interest amongst researchers in CAD field is the retrieval of components similar to a predefined geometry from a database of CAD models. The design efforts made earlier can be used to reduce the modelling time. After critically reviewing the available literature in this field, the authors propose a new approach to upload and retrieve information on CAD models that will result in reduced computational effort. To discriminate the shape information, principles of solid analytical geometry were used to incorporate sensitivity in differentiating concave and convex features. Shape descriptors are used for similar shape retrieval and benchmarking was done against various standard measures and these findings are reported in this paper.

Keywords: shape descriptors; CAD; component retrieval; face adjacency; benchmarking; shape similarity; similar shapes; modelling; shape information; solid analytical geometry.

DOI: 10.1504/IJCAT.2011.041658

International Journal of Computer Applications in Technology, 2011 Vol.40 No.4, pp.288 - 294

Received: 07 Dec 2009
Accepted: 02 Nov 2010

Published online: 28 Jul 2011 *

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