With parametric computer-aided design (CAD) software, designers can create geometric models that are easily updated (within limits) by modifying the values of controlling parameters. These numeric and non-numeric parameters control the geometry in two ways: parametric operations and geometric constraint solving. This paper examines the advances over the last decade in the representation of parametric operations and of solving geometric constraint problems. An extensive literature has grown up surrounding geometric constraint solving and there has been substantial progress in the types of objects and constraints that can be handled robustly. Yet parametric operations have remained largely within the same conceptualization and begin to limit the flexibility of CAD systems, since they still do not align well with a systematic design process.
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June 2011
Research Papers
Geometric Constraint Solving in Parametric Computer-Aided Design
Bernhard Bettig,
Bernhard Bettig
Department of Mechanical Engineering,
West Virginia University, Institute of Technology
Montgomery, WV 25136 e-mail:
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Christoph M. Hoffmann
Christoph M. Hoffmann
Department of Computer Science,
Purdue University
, West Lafayette, IN 47907 e-mail:
Search for other works by this author on:
Bernhard Bettig
Department of Mechanical Engineering,
West Virginia University, Institute of Technology
Montgomery, WV 25136 e-mail:
Christoph M. Hoffmann
Department of Computer Science,
Purdue University
, West Lafayette, IN 47907 e-mail: J. Comput. Inf. Sci. Eng. Jun 2011, 11(2): 021001 (9 pages)
Published Online: June 14, 2011
Article history
Received:
September 27, 2010
Revised:
March 10, 2011
Online:
June 14, 2011
Published:
June 14, 2011
Citation
Bettig, B., and M. Hoffmann, C. (June 14, 2011). "Geometric Constraint Solving in Parametric Computer-Aided Design." ASME. J. Comput. Inf. Sci. Eng. June 2011; 11(2): 021001. https://doi.org/10.1115/1.3593408
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