DIS (Dynamic Interactions Simulator)


DIS RELATED PUBLICATIONS

Refereed Conference Papers

  1. Ahmadi, S., Wasfy, T.M., Wasfy, H.M., and Peters, J.M., “High-Fidelity Modeling of a Backhoe Digging Operation using an Explicit Multibody Dynamics Code with Integrated Discrete Particle Modeling Capability,” ASME 2013 International Design Engineering Technical Conference, 9th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), Paper No. DETC2013-12896, August 2013.
  2. Wasfy, T.M., Ahmadi, S., Wasfy, H.M., and Peters, J.M., “Multibody Dynamics Modeling of Sand Flow from a Hopper and Sand Angle of Repose,” ASME 2013 International Design Engineering Technical Conference, 9th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), Paper No. DETC2013-12914, August 2013.
  3. Wasfy, T.M., Wasfy, H.M., and Peters, J.M., “Prediction of the Normal and Tangential Friction forces for Thick Flat Belts Using an Explicit Finite Element Code,” ASME 2013 International Design Engineering Technical Conference, 9th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), Paper No. DETC2013-13714, August 2013.
  4. Wasfy, T.M., Wasfy, H.M., Peters, J.M. and Mahfouz, R.M. “Flexible Multibody Dynamics Explicit Solver for Real-Time Simulation of an Online Virtual Dynamics Lab,” 119th Annual American Society for Engineering Education Conference & Exposition, San Antonio, TX, June 2012.
  5. Wasfy, T.M., “High-fidelity modeling of flexible timing belts using an explicit finite element code,” ASME DETC2011-48846, Proceedings of the ASME 2011 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC/CIE 2011), 8th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Washington, DC, August 2011.
  6. Wasfy, T.M. and Stark, M.L., “Multibody dynamics model for predicting the vibration response and transient tooth loads for planetary gear systems”, ASME DETC2011-48814, Proceedings of the ASME 2011 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC/CIE 2011), 11th ASME International Power Transmission and Gearing Conference, Washington, DC, August 2011.
  7. Wasfy, T.M., Wasfy, H.M, and Peters, J.M., “Real-time explicit flexible multibody dynamics solver with application to virtual-reality based e-learning,” ASME DETC2011-48846, Proceedings of the ASME 2011 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC/CIE 2011), 8th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Washington, DC, August 2011.
  8. Yildiz, C., and Wasfy, T.M., “Time-accurate multibody dynamics model for toroidal traction drives”, ASME DETC2011-48794, Proceedings of the ASME 2011 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC/CIE 2011), 8th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Washington, DC, August 2011.
  9. Wasfy, T.M., O’Kins, J. and Ryan, D., “Experimental validation of a multibody dynamics model of the suspension system of a tracked vehicle,” 2011 NDIA Ground Vehicle Systems Engineering and Technology Symposium, Dearborn, MI, August 2011.
  10. Jayakumar, P., and Wasfy, T.M., “Multibody dynamic simulation: comparing a finite element software solution to a rigid-body dynamic software solution,” 2010 NDIA Ground Vehicle Systems Engineering and Technology Symposium, Dearborn, MI, August 2010.
  11. Wasfy, T.M., and O’Kins, J., “Finite Element Modeling of the Dynamic Response of Tracked Vehicles,” 7th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, San Diego, CA, August 2009.
  12. Wasfy, T.M., O’Kins, J. and Smith, S., “Experimental Validation of a Coupled Fluid-Multibody Dynamics Model for Tanker Trucks,” Paper No. 2008-01-0777, SAE 2008 Congress, Detroit, MI, April 2008.
  13. Wasfy, T.M., O’Kins, J. and Smith, S., “Experimental Validation of a Time-Accurate Finite Element Model for Coupled Multibody Dynamics and Liquid Sloshing,” Paper No. 2007-01-0139, SAE 2007 Congress, Detroit, MI, April 2007.
  14. Wasfy, T.M. and Wasfy, H.M., “Object-oriented environment for dynamic finite element modeling of tires and suspension systems,” IMECE2006-13848, 2006 Mechanical Engineering Congress and Exposition Conference, Chicago, IL, November 5-10, 2006.
  15. Wasfy, H.M. and Wasfy, T.M., “Zero dimensional model for the growth of heterogeneous gas bubbles,” IMECE2006-15815, 2006 Mechanical Engineering Congress and Exposition Conference, Chicago, IL, November 5-10, 2006.
  16. Wasfy, T.M., “Object-oriented modeling environment for simulating flexible multibody systems and liquid-sloshing,” DETC2006-99245, 26th Computers and Information in Engineering (CIE) Conference, ASME DETC, Philadelphia, PA, September 2006.
  17. Wasfy, T.M., “Finite element modeling of coupled flexible multibody dynamics and liquid sloshing,” DETC2006-99243, 30th Annual Mechanisms and Robotics Conference, ASME DETC, Philadelphia, PA, September 2006.
  18. Wasfy, T.M. and Leamy, M.J., “Modeling the dynamic frictional contact of tires using an explicit finite element code,” ASME DETC2005-84694, 5th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Long Beach, CA, September 2005.
  19. Wasfy, T.M. and Leamy, M.J., “Dynamic modeling of synchronous belt-drives using an explicit finite element code,” ASME DETC2005-85103, 5th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Long Beach, CA,September 2005.
  20. Leamy, M.J. and Wasfy, T.M., “Dynamic modeling of timing belt frictional contact using an explicit finite element formulation,” Paper No. 05B-146, Doc No. 2005-01-0503, SAE 2005 Congress, Detroit, MI, April 2005.
  21. Wasfy, T.M., “Modeling spatial rigid multibody systems using an explicit-time integration finite element solver and a penalty formulation,” ASME Paper No. DETC2004-57352, Proceeding of the DETC: 28th Biennial Mechanisms and Robotics Conference, DETC, Salt Lake, Utah, 2004.
  22. Wasfy, T.M., Leamy, M.J., and Meckstroth, R.J., “Prediction of system natural frequencies using an explicit finite element code with application to belt-drives,” ASME Paper No. DETC2004-57117, Proceeding of the DETC: 28th Biennial Mechanisms and Robotics Conference, DETC, Salt Lake, Utah, 2004.
  23. Meckstroth, R.J., Wasfy, T.M., and Leamy, M.J., “Finite element study of the dynamic response of serpentine belt-drives with isolator clutches,” SAE 2004 Congress, Paper No. 2004-01-1347, Detroit, MI, 2004.
  24. Leamy, M.J., Meckstroth, R.J., and Wasfy, T.M., “Finite element study of belt-drive frictional contact under harmonic excitation,” SAE 2004 Congress, Paper No. 2004-01-1346, Detroit, MI, 2004.
  25. Wasfy, T.M. and Wasfy, A.M., “An object-oriented graphical interface for dynamic finite element modeling of flexible multibody mechanical systems,” Proceeding of MDP-8, Cairo University Conference on Mechanical Design and Production, Cairo, Egypt, January 4-6, 2004.
  26. Wasfy, T.M. and Wasfy, A.M., “Strategy for effective visualization of CFD datasets in virtual environments,” ASME Paper No. DETC2003-48294 (Best paper award in Virtual Environments and Systems), Proceeding of the DETC: 23rd Computers and Information in Engineering (CIE) Conference,ASME International 2003 DETC, Chicago, IL, 2003.
  27. Wasfy, T.M., “Asperity spring friction model with application to belt-drives,” Paper No. DETC2003-48343, Proceeding of the DETC: 19th Biennial Conference on Mechanical Vibration and Noise, Chicago, IL, 2003.
  28. Wasfy, T.M., “Edge projected planar rectangular element for modeling flexible multibody systems,” 19th Biennial Conference on Mechanical Vibration and Noise, Paper No. DETC2003-48351, Proceeding of the DETC: 19th Biennial Conference on Mechanical Vibration and Noise, Chicago, IL, 2003.
  29. Wasfy, T.M. and Leamy, M.J., “Effect of bending on the dynamic and steady-state responses of belt-drives,” 27th Biennial Mechanisms and Robotics Conference, ASME International 2002 DETC, Montreal, Canada, 2002.
  30. Wasfy, T.M. and Leamy, M.J., “An object-oriented graphical interface for dynamic finite element modeling of belt-drives,” 27th Biennial Mechanisms and Robotics Conference, ASME International 2002 DETC, Montreal, Canada, 2002.
  31. Leamy, M.J. and Wasfy, T.M., “Dynamic finite element modeling of belt-drives including one-way clutches,” ASME 2001 International Mechanical Engineering Congress and Exposition, New York, NY, 2001.
  32. Wasfy, T.M., “Lumped-parameters brick element for modeling shell flexible multibody systems,” 18th Biennial Conference on Mechanical Vibration and Noise, ASME International 2001 DETC, Pittsburgh, PA, 2001.
  33. Leamy, M.J. and Wasfy, T.M., “Dynamic finite element modeling of belt-drives,” 18th Biennial Conference on Mechanical Vibration and Noise, ASME International 2001 DETC, Pittsburgh, PA, 2001.
  34. Leamy, M.J. and Wasfy, T.M., “Analysis of belt-drive mechanics using a creep-rate dependent friction law,” 18th Biennial Conference on Mechanical Vibration and Noise, ASME International 2001 DETC, Pittsburgh, PA, 2001.
  35. Wasfy, T.M. and Noor, A.K., “Multibody dynamic simulation of the next generation space telescope using finite elements and fuzzy sets,” Proceedings of the 41st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Paper No. AIAA-2000-1577, Atlanta, GA, April 2000.
  36. Wasfy, T.M. and Noor, A.K., “Application of fuzzy sets to transient analysis of space structures,” Proceedings of the 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Paper No. AIAA-98-1833, Vol. 2, Long Beach, CA, pp. 1056-1067, April 1998.
  37. Wasfy, T.M., “Modeling contact/impact of flexible manipulators with a fixed rigid surface,” Proceedings of the 1995 IEEE International Conference on Robotics and Automation, Vol. 1, Japan, pp. 621-626, May 1995.
  38. Wasfy, T.M., “Modeling continuum multibody systems using the finite element method and element convected frames,” Machine Elements and Machine Dynamics, ASME DE-Vol. 71 (23rdASME Mechanisms Conference, Minneapolis, MN), pp. 327-336, Sep. 1994.

Journal Papers

  1. Wasfy, T.M., O’Kins, J. and Smith, S., “Experimental Validation of a Coupled Fluid-Multibody Dynamics Model for Tanker Trucks,” SAE International Journal of Commercial Vehicles, Vol. 1(1), pp. 71-88, 2008.
  2. Wasfy, T.M., O’Kins, J. and Smith, S., “Experimental Validation of a Time-Accurate Finite Element Model for Coupled Multibody Dynamics and Liquid Sloshing,” Document Number: 2007-01-0139, SAE 2007 Transactions, Journal of Passenger Cars: Mechanical Systems, April 2008.
  3. Leamy, M.J. and Wasfy, T.M., “Dynamic modeling of timing belt frictional contact using an explicit finite element formulation,” Document No. 2005-01-0503, SAE 2005 Transactions, Journal of Engines, pp. 605-610, February 2006.
  4. Leamy, M.J. and Wasfy, T.M., “Time-accurate finite element modeling of the transient, steady-state, and frequency responses of serpentine and timing belt-drives,” International Journal of Vehicle Design, Vol. 39(3), Special Issue on Belt Drives and CVT in Vehicle Applications: New Concepts and Trends, pp. 272-297, 2005.
  5. Wasfy, H.M., Wasfy, T.M. and Noor, A.K., “An interrogative visualization environment for large-scale engineering simulations,” Advances in Engineering Software, Vol. 35(12), pp. 805-813, 2004.
  6. Wasfy, A.M., Wasfy, T.M. and Noor, A.K., “Intelligent virtual environment for process training,” Advances in Engineering Software, Vol. 35(6), pp. 337-355, 2004.
  7. Wasfy, T.M. and Noor, A.K., “Computational strategies for flexible multibody systems,” ASME Applied Mechanics Reviews, Vol. 56(6), pp. 553-613, 2003.
  8. Leamy, M.J. and Wasfy, T.M., “Transient and steady-state dynamic finite element modeling of belt-drives,” ASME Journal of Dynamics Systems, Measurement, and Control, Vol. 124(4), pp. 575-581, 2002.
  9. Leamy, M.J. and Wasfy, T.M., “Analysis of belt-drive mechanics using a creep-rate dependent friction law,” ASME Journal of Applied Mechanics, Vol. 69(6), pp. 763-771, 2002.
  10. Wasfy, T.M. and Noor, A.K., “Visualization of CFD results in immersive virtual environments,” Advances in Engineering Software, Vol. 32, pp. 717-730, 2001.
  11. Leamy, M.J., Noor, A.K., and Wasfy, T.M., “Sensitivity analysis of bare-wire space tether systems,” Computer Methods in Applied Mechanics and Engineering, Vol. 190, pp. 5495-5503, 2001.
  12. Noor, A.K. and Wasfy, T.M, “Simulation of physical experiments in immersive virtual environments,” Engineering Computations, Vol. 18(3-4), pp. 515-538, 2001.
  13. Leamy, M.J., Noor, A.K., and Wasfy, T.M., “Dynamic simulation of a space tethered-satellite system,” Computer Methods in Applied Mechanics and Engineering, Vol. 190(37-38), pp. 4847-4870, June 2001.
  14. Wasfy, T.M. and Noor, A.K., “Object-oriented virtual reality environment for visualization of flexible multibody systems,” Advances in Engineering Software, Vol. 32(4), pp. 295-315, March 2001.
  15. Wasfy, T.M. and Noor, A.K., “Multibody dynamic simulation of the next generation space telescope using finite elements and fuzzy sets,” Computer Methods in Applied Mechanics and Engineering, Vol. 190(5-7), pp.803-824, November 2000.
  16. Wasfy, T.M. and Noor, A.K., “Application of fuzzy sets to transient analysis of space structures,” Finite Elements in Analysis and Design, Vol. 29(3-4), pp. 153-171, 1998.
  17. Wasfy, T.M. and Noor, A.K., “Finite element analysis of flexible multibody systems with fuzzy parameters,” Computer Methods in Applied Mechanics and Engineering, Vol. 160(3-4), pp. 223-244, 1998.
  18. Wasfy, T.M., West, A.C. and Modi, V., “Parallel finite element computations of unsteady incompressible flows,” International Journal for Numerical Methods in Fluids, Vol. 26(1), pp. 17-37, 1998.
  19. Wasfy, T.M. and Noor, A.K., “Computational procedure for simulating the contact/impact response in flexible multibody systems,” Computer Methods in Applied Mechanics and Engineering, Vol. 147(1-2), pp. 153-166, 1997.
  20. Wasfy, T.M. and Noor, A.K., “Modeling and sensitivity analysis of multibody systems using new solid, shell and beam elements,” Computer Methods in Applied Mechanics and Engineering, Vol. 138(1-4) (25th Anniversary Issue), pp. 187-211, 1996.
  21. Wasfy, T.M., “A torsional spring-like beam element for the dynamic analysis of flexible multibody systems,” International Journal for Numerical Methods in Engineering, Vol. 39(7), pp. 1079-1096, 1996.

Book Chapters

  1. Meckstroth, R.J., Wasfy, T.M., Leamy, M.J., “Finite Element Study of Dynamic Response of Serpentine Belt-Drives with Isolator Clutches,” Chapter in the book CAD/CAM/CAE Technology and Design Tools, SAE International, 2004.
  2. Leamy, M.J., Meckstroth, R.J., Wasfy, T.M., “Finite Element Study of Belt-Drive Frictional Contact under Harmonic Excitation,” Chapter in the book CAD/CAM/CAE Technology and Design Tools, SAE International, 2004.