Abstract
Although solid models can represent complex and detailed geometry of parts, it is often necessary to simplify solid models by removing the detailed geometry in some applications such as finite element analysis and similarity assessment of CAD models. There are no standards for judging the goodness of a simplification method, but one essential criterion would be that it should generate a consistent and acceptable simplification for the same solid model, regardless of how the solid model has been created. Since a design-feature-based approach is tightly dependent on modeling sequences and designer’s modeling preferences, it sometimes produces inconsistent and unacceptable simplifications. In this paper, a new method is proposed to simplify solid models of machined parts. Independently of user-specified design features, this method directly recognizes and generates subtractive features from the final model of the part, and then simplifies the solid model by removing the detailed geometry by using these subtractive features.
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This paper was recommended for publication in revised form by Associate Editor Jeong-Sam Han
Yoonhwan Woo is an assistant professor of Mechanical Systems Engineering at Hansung University in Korea. He received his Ph.D. in Mechanical Engineering from Colorado State University in 1999, the M.S. in Mechanical and Aerospace engineering from Illinois Institute of Technology in 1995, and the B.S. in Precision Mechanical Engineering from Hanyang University, Korea, in 1993. He also has been a software engineer of ACIS development team in Spatial Corporation, USA. His research interests include geometric and solid modeling and computer aided process planning.
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Woo, Y. Automatic simplification of solid models for engineering analysis independent of modeling sequences. J Mech Sci Technol 23, 1939–1948 (2009). https://doi.org/10.1007/s12206-009-0509-y
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DOI: https://doi.org/10.1007/s12206-009-0509-y