Journal of Computational Design and Engineering

Society for Computational Design and Engineering (한국CDE학회)
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Development of educational software for beam loading analysis using pen-based user interfaces

  • Suh, Yong S. (Department of Mechanical Engineering, California State University)
  • Received : 2013.09.06
  • Accepted : 2013.11.11
  • Published : 2014.01.01
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Abstract

Most engineering software tools use typical menu-based user interfaces, and they may not be suitable for learning tools because the solution processes are hidden and students can only see the results. An educational tool for simple beam analyses is developed using a pen-based user interface with a computer so students can write and sketch by hand. The geometry of beam sections is sketched, and a shape matching technique is used to recognize the sketch. Various beam loads are added by sketching gestures or writing singularity functions. Students sketch the distributions of the loadings by sketching the graphs, and they are automatically checked and the system provides aids in grading the graphs. Students receive interactive graphical feedback for better learning experiences while they are working on solving the problems.

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References

  1. Norton RL. Machine design: an integrated approach. 3rd ed. New Jersey: Prentice Hall; 2006. 984 p.
  2. Shigley J, Mischke C, Budynas R. Mechaincal engineering design. 7th ed. New York: McGraw-Hill; 2003. 1056 p.
  3. Huston, R.L. Practical stress analysis in engineering design, 3rd edition. CRC Press; 2012. 664 p.
  4. Company P, Piquer A, Contero M. On the evolution of geometrical reconstruction as a core technology to sketch-based modeling. In: Eurographics Workshop on Sketch-Based Interfaces and Modeling; 2004 August 30-31; Grenoble, France; p.97-106.
  5. Alvarado C. Sketch recognition user interfaces: guidelines for design and development. In: Proceedings of AAAI Fall Symposium on Pen-Based Interfaces; 2004 October 21-24; Washington D.C.; p. 8-14.
  6. Varley PAC, Suzuki H. Interpreting line drawings of objects with k-vertices. In: Geometric Modeling and Processing; 2004 April 13-15; Beijing, China; p. 249-258.
  7. Devenport W, Kapania R, Rojiani K, Singh K [Internet]. Beam view - Java applets for engineering education. Available from: http://www.engapplets.vt.edu/statics/BeamView/BeamView.html.
  8. Getze R [Internet]. Beamboy. Available from: http://www.geocities.com/richgetze/.
  9. Dempsey KM, Kane JJ, Kurtz JP. Beamtool: Interactive beam analysis for today's student and tomorrow's engineer. Computer Applications in Engineering Education. 2005; 13(4): 293-305. https://doi.org/10.1002/cae.20054
  10. Devenport W, Kappania R, Rojiani K, Singh K [Internet]. EngAPPLETS. Virginia Tech. Available from: http://www.engapplets.vt.edu
  11. Alvarez-Caldas C, Garcia JLSR, B. Abella BM, Gonzalez AQ. Educational software to design shafts and analyze them by FEM. Computer Applications in Engineering Education. 2007; 15(1): 99-106. https://doi.org/10.1002/cae.20101
  12. Barretto SFA, Piazzalunga R, Ribeiro VG. A web-based 2d structural analysis educational software. Computer Applications in Engineering Education. 2003; 11(2): 83-92. https://doi.org/10.1002/cae.10040
  13. Hillsman VS, Tomovic MM. Beam deflections via computer algebra systems. In: Proceedings of the Frontiers in Education Conference; 1995 Nov 1-4; Atlanta, GA; p. 4b4.1-4b4.4.
  14. Maiorana C, Sgarbossa L, Salomon V. New methodologies in teaching e-structural mechanics using www. Computer Applications in Engineering Education. 2008; 16(8): 189-210. https://doi.org/10.1002/cae.20167
  15. T. W. C. Hu [Internet]. Enhanced student learning in engineering courses with cas technology. Available from: http://celt.ust.hk/tlsymp07/pdf/R13-ThomasHu.pdf
  16. JEl-Rimawi J, El-Hamalawi A. Dynamic strategy for teaching structural analysis. Computer Applications in Engineering Education. 2002; 10 (4): 194-203. https://doi.org/10.1002/cae.10028
  17. Murugappan S, Ramani K. Feasy: a sketch-based interface integrating structural analysis in early design. In: ASME 2009 International Design Engineering Technical Conferences & Computers in Information in Engineering Conference, IDETC/CIE; 2009; San Diego, CA.
  18. Da Silva R, Bischel DT, Lee W, Peterson EJ, Calfree RC, Stahovich TF. Kirchhoff's pen: a pen-based circuit analysis tutor. In: EUROGRAPHICS Workshop on Sketch-Based Interfaces and Modeling. 2007; Riverside, CA; p.75-82.
  19. Oviatt S, Arthur A, Cohen J. Quiet interfaces that help student think. In: The 19th annual ACM Symposium on User Interface Software and Technology; 2006; Montreux, Switzerland: p. 191-200.
  20. Osada R, Funkhouser T, Chazelle B, Dobkin D. Shape distributions. ACM Transactions on Graphics (TOG); 2002; 21(4): 807-832. https://doi.org/10.1145/571647.571648
  21. Zhang T, Peng Q. Shape distribution-based 3d shape retrieval methods: review and evaluation. Computer-Aided Design and Applications. 2009; 6(5): 721-735. https://doi.org/10.3722/cadaps.2009.721-735
  22. Lp CY, Lapadat D, Sieger L, Regli WC. Using shape distributions to compare solid models. In: ACM Symposium on Solid and Physical Modeling; 2002; Saarbrucken, Germany; p. 273-280.
  23. Kara LB, Stahovich TF. An image-based, trainable symbol recognizer for hand-drawn sketches. Computers & Graphics. 2005; 29(4): 501-517. https://doi.org/10.1016/j.cag.2005.05.004
  24. Kara LB, Stahovich TF. Hierarchical parsing and recognition of hand-sketched diagrams. In: 17th ACM User Interface Software Technology (UIST); 2004; Santa Fe, NM; p.13-22.
  25. Landay JA, Rowe LA, Rowe JA, Michiels J. Visual similarity of pen gestures. In: SIGCHI Conference on Human Factors in Computing Systems; 2000; The Hague, The Netherlands; p. 360-367.
  26. Kim DH, Kim MJ. A curvature estimation for pen input segmentation in sketch-based modeling. Computer Aided Design. 2006; 38(3): 238-248. https://doi.org/10.1016/j.cad.2005.10.006
  27. Stahovich TF. Segmentation of pen strokes using pen speed. In: AAAI Fall Symposium Series 2004: Making Pen-Based Interaction Intelligent and Natural; 2004; Arlington, VA; p. 174.
  28. Qin SF, Wright DK, Jordanov IN. On-line segmentation of freehand sketches by knowledge-based nonlinear thresholding operations. Pattern Recognition. 2001; 34(10): 1885-1893. https://doi.org/10.1016/S0031-3203(00)00122-9
  29. Sezgin TM. Feature point detection and curve approximation for early processing of free-hand sketches. Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge; 2001.
  30. Wolin A, Eoff B, Hammond T. Shortstraw: a simple and effective corner finder for polylines. In: Eurographics 2008-Sketch-Based Interfaces and Modeling (SBIM); 2008; Annecy, France; p. 33-40.
  31. Masood A, Sarfraz M. Corner detection by sliding rectangles along planar curves. Computers & Graphics. 2007; 31: 440-448. https://doi.org/10.1016/j.cag.2007.01.021