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Feature-based modeling for automatic mesh generation

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Abstract

Automatic meshing algorithms for finite element analysis are based on a computer understanding of the geometry of the part to be discretized. Current mesh generators understand the part as either a boundary representation, an octree, or a point set. A higher-level understanding of the part can be achieved by associating engineering significance and engineering data, such as loading and boundary conditions, with generic shapes in the part. This technique, called feature-based modeling, is a popular approach to integrating computer-aided design (CAD) and computer-aided manufacturing through the use of machinable shapes in the CAD model. It would seem that feature-based design also could aid in the finite element mesh generation process by making engineering information explicit in the model.

This paper describes an approach to feature-based mesh generation. The feature representation of a fully functioning feature-based system that does automatic process planning and inspection was extended to include finite element mesh generation. This approach is based on a single feature representation that can be used for design, finite element analysis, process planning, and inspection of prismatic parts. The paper describes several advantages that features provide to the meshing process, such as improved point sets and a convenient method of simplifying the geometry of the model. Also discussed are possible extensions to features to enhance the finite element meshing process.

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References

  1. Shah, J.J.; Bhatnagar, A.; Hsiao, D. (1988) Feature mapping and application shell. In: Proceedings of the 1988 ASME Computers in Engineering Conference, San Francisco, CA, pp. 489–496, July 31–August 4

  2. External representation of product definition data (1989) ISO Draft Proposal 10303, ISO TC184/SC4 N38. Gaithersburg, MD, NIST

  3. Turner, G.P.; Anderson, D.C. (1988) An object-oriented approach to interactive, feature-based design for quick turnaround manufacturing. In: Proceedings of the 1988 ASME Computers in Engineering Conference, San Francisco, CA, pp. 551–556, July 31–August 4

  4. Henderson, M.R. (1984) Extraction of feature information from three dimensional CAD data. PhD thesis, Purdue University. West Lafayette, IN, May

    Google Scholar 

  5. Ames, A.L. (1988) Automated generation of uniform group technology part codes from solid model data. In: Proceedings of the 1988 ASME Computers in Engineering Conference, San Francisco, CA, pp. 433–437, July 31–August 4

  6. Dixon, J.R.; Libardi Jr. E.C.; Luby, S.C.; Vaghul, M.; Simmons, M.K. (1987) Expert systems for mechanical design: Examples of symbolic representations of design geometries. Eng. Comput. 2, 1–10

    Google Scholar 

  7. Graves, G.R.; Sahay, A.; Parks, C.M. (1989) A functional approach to feature recognition in production planning. Int. J. Comput. Integr. Manuf. (UK), 2, 162–171

    Google Scholar 

  8. Dixon, J.R.; Cunningham, J.J.; Simmons, M.K. (1987) Research in designing with features. In: IFIP WG 5.2 Workshop on Intelligent CAD, Cambridge, MA, October 6–7

  9. Hummel, K.E.; Brooks, S.L. (1986) Symbolic representation of manufacturing features for an automated process planning system. In: Knowledge-Based Expert Systems for Manufacturing, ASME Winter Annual Meeting, Anaheim, CA, pp. 233–244, December 7–12

  10. Cutkosky, M.R.; Tenenbaum, J.M.; Muller, D. (1988) Features in process-based design. In: Proceedings of the 1988 ASME Computers in Engineering Conference, San Francisco, CA, pp. 557–562, July 31–August 4

  11. Woodwark, J. (Ed.) (1989) Geometric Reasoning. New York: Oxford University Press

    Google Scholar 

  12. Libardi Jr., E.C.; Dixon, J.R.; Simmons, M.K. (1988) Computer environments for the design of mechanical assemblies: A research review. Eng. Comput. 3, 121–136

    Google Scholar 

  13. Pinilla, J.M.; Finger, S.; Prinz, F.B. (1989) Shape feature description and recognition using an augmented topology graph grammar. In: NSF Engineering Design Research Conference, University of Massachusetts, Amherst, pp. 285–300, June 11–14

  14. Shah, J.J.; Wilson, P.R. (1988) Analysis of knowledge abstraction, representation and interaction requirements for computer aided engineering. In: Proceedings of the 1988 ASME Computers in Engineering Conference, San Francisco, CA, pp. 17–24, July 31–August 4

  15. Shephard, M.S. (1988) The role of features in the generation and control of numerical analysis models. In: UCLA/NSF Workshop on Features in Design and Manufacturing, UCLA, February 26–28

  16. Chang, T.C. (1987) Integrated process planning approach for discrete part machining. In: 14th Conference on Production Research and Technology, University of Michigan, Ann Arbor, MI, pp. 43–50, October 6–9

  17. Henderson, M.R. (1986) Automated group technology part coding from a three-dimensional CAD database. In: Symposium on Knowledge-Based Expert Systems for Manufacturing, ASME Winter Annual Meeting, Anaheim, CA, pp. 195–204, December 7–12

  18. Cunningham, J.J.; Dixon, J.R. (1988) Designing with features: The origin of features. In: Proceedings of the 1988 ASME Computers in Engineering Conference, San Francisco, CA, pp. 237–243, July 31–August 4

  19. Anderson, D.C.; Chang, T.C. (1989) Automated process planning using object-oriented feature based design. In: Proceedings of the International Symposium on Advanced Geometric Modelling for Engineering Applications, Berlin, West Germany, pp. 233–246, November 8–10

  20. Chang, T.C.; Anderson, D.C.; Mitchell, O.R. (1988) QTC—An integrated design/manufacturing/vision inspection system for prismatic parts. In: Proceedings of the 1988 ASME International Computers in Engineering Conference, San Francisco, CA, pp. 417–426, July 31–August 4

  21. Anderson, D.C.; Chang, T.C. (1990) Geometric reasoning in feature based design and process planning. Comput. Graph. 14, 221–235

    Google Scholar 

  22. Mashburn, T. (1987) A polygonal solid modeling package. MS thesis, Purdue University, West Lafayette, IN, December

    Google Scholar 

  23. Jain, A. (1986) Modern methods for automatic FE mesh generation. In: Modern Methods for Automating Finite Element Mesh Generation, (Ed. K. Baldwin), American Society of Civil Engineers, New York, pp. 19–28, October 31

    Google Scholar 

  24. Wördenweber, B. (1981) Automatic mesh generation of 2 and 3 dimension curvilinear manifolds. PhD thesis, St. John's College, University of Cambridge, England, November

    Google Scholar 

  25. Yerry, M.A.; Shephard, M.S. (1984) Automatic three-dimensional mesh generation by the modified-octree technique. Int. J. Numer. Meth. Eng. 20, 1965–1990

    Google Scholar 

  26. Perucchio, R.; Saxena, M.; Kela, A. (1989) Automatic mesh generation from solid models based on recursive spatial decompositions. Int. J. Numer. Meth. Eng. 28, 2469–2501

    Google Scholar 

  27. Cavendish, J.C.; Field, D.A.; Frey, W.H. (1985) An approach to automatic three-dimensional finite element mesh generation. Int. J. Numer. Meth. Eng. 21, 329–347

    Google Scholar 

  28. Schroeder, W.J.; Shephard, M.S. (1989) An O(n) algorithm to automatically generate geometric triangulations satisfying the Delaunay circumsphere criteria. Eng. Comput. 5, 177–193

    Google Scholar 

  29. Watson, D.F. (1981) Computing the N-dimensional Delaunay tesselation with applications to Voronoi Polytopes. Comput. J. 24, 167–172

    Google Scholar 

  30. Baker, T.J. (1989) Automatic mesh generation for complex three-dimensional regions using a constrained Delaunay triangulation. Eng. Comput. 5, 161–175

    Google Scholar 

  31. Shephard, M.S.; Finnigan, P.M. (1988) Integration of geometric modeling and advanced finite element preprocessing. Finite Elem. Anal. Des. 4, 147–162

    Google Scholar 

  32. Shephard, M.S. (1990) Idealization in engineering modeling and design. Res. Eng. Des. 1, 229–238

    Google Scholar 

  33. Gregory, B.L.; Shephard, M.S. (1987) The generation of airframe finite element models using an expert system. Eng. Comput. 2, 65–77

    Google Scholar 

  34. Finnigan, P.M.; Kela, A.; Davis, J.E. (1989) Geometry as a basis for finite element automation. Eng. Comput. 5, 147–160

    Google Scholar 

  35. Shephard, M.S. (1986) Geometric modeling needs of finite element modeling. In: Geometric modeling for CAD applications. (Eds. M.J. Wozny; H.W. McLaughlin; J.L. Encarnacao) Elsevier Science Pub. Co. Rensselaerville, NY; pp. 271–293, May 12–16

    Google Scholar 

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Authors and Affiliations

  1. School of Mechanical Engineering, Purdue University, 47907, West Lafayette, IN, USA

    Vance Unruh & David C. Anderson

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  1. Vance Unruh
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  2. David C. Anderson
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Unruh, V., Anderson, D.C. Feature-based modeling for automatic mesh generation. Engineering with Computers 8, 1–12 (1992). https://doi.org/10.1007/BF01206333

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