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FACULTY -- Dr. A. K. Waizuddin Ahmed

Department of Mechanical Engineering
Concordia University
1455 de Maisonneuve Blvd. W., CR-201
Montreal, Quebec, Canada H3G 1M8
E-mail: waiz@vax2.concordia.ca
Phone: (514) 848-7932
Fax: (514) 848-8635
Office: CR-201


EDUCATION

Degrees held
  • Ph.D., (1986), Mechanical Engineering, Concordia University, Montreal, Canada.
  • B.Eng., (1980), Mechanical Engineering, Concordia University, Montreal, Canada. (Graduated with Distinction - GPA 3.91)
  • T.Eng., (1974), (3-Year Technical Diploma) Automobile and Road Transport Engineering, Willesden College of Technology, London, U.K. (Graduated with First Place Standing)

Certificates
  • Motor Vehicle Technician's Certificate, City and Guilds of London Institute, London, U.K., 1974
  • Certificate in Transport Studies - Transport Economics, University of London, London, U.K., 1974
  • Certificate in Transport Studies - Contemporary Transport Problems, University of London, London, U.K., 1975.
  • Earthquake Engineering, Multiprotection Design Institute, University of Colorado at Boulder, July 1992.

COURSE INFORMATION

Undergraduate courses

  1. Descriptive Geometry, ENGR 213
  2. Statics, ENGR 242
  3. Dynamics, ENGR 243
  4. Materials Science, MECH 221
  5. Modeling & Analysis of Physical Systems, ENGR 274
  6. Fundamentals of Vehicle System Design, MECH 447
  7. Guided Vehicle Systems, MECH 444
  8. Mechanical Engineering Drawing, MECH 211
  9. Machine Drawing and Design, MECH 313

Graduate courses

  1. Optimum Design of Mechanical Systems, MECH 632
  2. Computer Aided Mechanical Design, MECH 645
  3. Guided Vehicle Systems, MECH 678

GRADUATE STUDENTS

Theses supervised --- Graduated

Ph.D.

  1. Tummala, M., “Feasibility Investigation of Thermocontrolled Tank For Onboard Storage and Supply of Gaseous Fuels in Vehicles”, Co-Supervisor: Dr. T. Krepec, June 1994.
  2. Dong, R., “Vertical Dynamics of Railway Vehicle-Track System”, Co-Supervisor: Dr. R.V. Dukkipati, November, 1994.
  3. Ganapathi, K., “Development of Efficient Reanalysis Techniques Using Substructuring and Extended Transfer-Matrix Approach for Analysis of Large Scale Vehicular Structures”, Co-Supervisor: Dr. S. Rakheja, January 1996.
  4. Haque, M.M., “Nonlinear Analysis of a Class of Hydraulic Dampers”, August 1996.
  5. Liu, Peijun, “Open-Loop Roll Over Prediction of Freight Vehicles”, 1999.
M. A. Sc.
  1. Venkatesh, S., “Vibration Isolation Using Hydraulic Mounts with Dual-Phase Damping”, Co-Supervisor: Dr. S. Sankar, 1990.
  2. Koganti, R.K.P., “Optimum Design and Stability of BTA Tools with Staggered Cutters by Probabilistic Approach”, Co-Supervisor: Dr. V. Latinovic, 1993.
  3. Liu, Peijun, “An Analytical Study of Ride and Handling Performance of an Interconnected Vehicle Suspension”, Co-Supervisor: Dr. S. Rakheja, February 1994.
  4. Taraboulsi, C., “Neural Network Application to Vehicle System Dynamics”, June 1995.
  5. Chaudhaury, S., “Ride and Roll Dynamics of Vehicle with Spring Loaded Hydro-Pneumatic Suspension”, 1998.
  6. Raju, S.I., “Influence of Road Roughness and Directional Maneuvers on the Dynamic Performance of Heavy Vehicles”, M.A.Sc. Thesis, Co-Supervisor: Dr. S. Rakheja, May 1998.
  7. Vasquez-Vega, David, “Dynamic Performance of A-Train Combination with Articulation Damping”, M.A.Sc. Thesis, Co-Supervisor: Dr. S. Rakheja, February 2000.
  8. Siddiqui, O.M., “Modeling and Analysis of Urban Bus Systems for Driver and Road Friendliness”, M.A.Sc. Thesis, Co-Supervisor: Dr. S. Rakheja, September 2000.

Theses supervised --- In-progress

Ph.D.

  1. Taraboulsi, C., “Adaptive Vibration Control of Turbine Shaft using Magnetic Bearing”, 1997 - date.
  2. Nan, Ye, “Adaptive Control of Vibration in Vehicle System”, 2000 - date.

M. A. Sc.

  1. Quan, G., “Modeling and Analysis of Nonlinear Vehicle Suspension for Optimal Occupant and Road Friendliness”, 2000-date.
  2. Goa, X., “Anti-lock Braking System (ABS) and Application for Enhancement of Stability”, 2000 - date.
  3. Nigam, Amit, “Rotor Dynamics and Application of Expert System for Condition Monitoring”, 2000 - date.
  4. Joarder, M., “Analysis of Seating Dynamics and Posture Effects”, 2000 - date.
  5. Shen, Z., “Modeling of Dynamic Friction Under Vibrations and Application to Heavy Vehicle Load Security”, 2000 - date.

Post Doc.

  1. Haque, M.M., “Nonlinear Analysis of a Class of Hydraulic Dampers for Isolation of Shock and Vibrations”, 1996/97.
  2. Romero, J.A., “Vehicle Dynamics, Under Full Fuding from Covernment of Mexico”, 1999 - date.

PUBLICATIONS (Since 1987)

List of refereed journal publications

  1. Rakheja, S., Ahmed, A.K.W., Yang, X., and Guerette C., “Optimal Suspension Damping for Improved Driver- and Road- Friendliness of Urban Buses”, Accepted for Transactions of SAE, August 2000.
  2. Vega, D., Rakheja, S., Ahmed, A.K.W., “Directional Performance Analysis of an A-Train Double with Extrenally Mounted Dampers”, International Journal of Vehicle Design, Heavy Vehicle Systems, Accepted for Publication, June 01, 2000.
  3. Liu, P., Rakheja,S., Ahmed, A.K.W., “Dynamic Roll Instability Analysis of Heavy Vehicle Using Energy Approach”, International Journal of Vehicle Design, Heavy Vehicle Systems, Accepted for Publication, February 10, 2000.
  4. Ahmed, A.K.W., Haque, M., and Rakheja, S., “Nonlinear Analysis of Automotive Hydraulic Mounts for Isolation of Vibration and Shock”, International Journal of Vehicle Design, Vol. 21, No. 1, pp 116-128, 1999.
  5. Liu, P., Rakheja,S., Ahmed, A.K.W., “Dynamic Rollover thresshold of Articulated Freight Vehicles”, International Journal of Vehicle Design, Heavy Vehicle Systems, Vol. 5, Nos. (3/4), pp 300-322, 1998.
  6. Liu, P., Rakheja, S., Ahmed, A.K.W., “Detection of Dynamic Roll Instability of Heavy Vehicles for Open loop Rollover Control”, Transactions of SAE, Journal of Commercial Vehicles, 106(2), 1998.
  7. Tummala, M., Krepec, T., Ahmed, A.K.W., “Optimization of Thermocontrolled Tank for Hydrogen Storage in Vehicles”, International Journal of Hydrogen Energy, Vol. 22, No. 5, pp. 525-530, 1997.
  8. Ahmed, A.K.W., Liu, C.Y., Haque, I., “Computer Simulation of Steady-State Curving Performance of High Speed Articulated Train Sets”, Transactions of CSME, Vol 20, No. 4, pp. 365-389, 1996.
  9. Tummala, M., Krepec, T., Ahmed, A.K.W., “Optimization of Thermocontrolled Tank for Hydrogen Storsge in Vehicles”, International Journal of Hydrogen Energy, Accepted for publication, March 27, 1996.
  10. Haque, M.M., Ahmed, A.K.W., and Sankar, S., “Simulation of Displacement Sensitive Nonlinear Dampers via Integral Formulation of Damping Force Characteristics”, Journal of Sound and Vibration, Vol. 187(1), pp. 95-109, 1995.
  11. Liu, P.J., Rakheja, S., and Ahmed, A.K.W., “Properties of an Interconnected Hydro-Pneumatic Suspension System, Transactions of CSME, Vol. 19, No.4, pp. 383-396, 1995.
  12. Sankar, S., Ahmed, A.K.W., and Venkatesh, S., “Analytical and Experimental Evaluation of Displacement Dependent Dual-Phase Dampers in Vibration Isolation”, Journal of Sound and Vibration, Vol. 196 (1), pp. 55-69, 1994.
  13. Rakheja S., Ahmed, A.K.W., “An Algorithm for Simulation of Nonlinear Mechanical Systems using Energy and force Similarity of its Elements”, Journal of Finite Elements in Analysis and Design, Vol. 401, p. 14, 1994.
  14. Ahmed, A.K.W., Rakheja, S., Richard, M.J., “Frequency Response Analysis of Symmetric and Asymmetric Vehicle Suspensions", Transactions of CSME, Vol. 17, No. 4b, pp. 837-850, 1993.
  15. Tummala, M., Krepec, T., Ahmed, A.K.W., “Natural Gas On-Board Storage System for Automotive Applications”, S.A.E. Special publication Alternative Fuels, Vol. SP-982, 1993.
  16. Rakheja, S., Ahmed, A.K.W., “An Algorithm for Simulation of Nonlinear Mechanical Systems with Symmetric and Asymmetric Dissipative and Restoring Elements, Computational Methods in Engineering”, Vol. 2, pp. 915-920, 1992.
  17. Ahmed, A.K.W., and Rakheja, S., “An Equivalent Linearization Technique for Frequency Response Analysis of Asymmetric Dampers”, Journal of Sound and Vibration, Vol. 153, No. 3, pp. 537-542, 1992.
  18. Rakheja, S., and Ahmed, A.K.W., “Simulation of Nonlinear Variable Dampers Using Energy Similarity”, International Journal for Computer-Aided Engineering and Software, Vol. 8, No. 4, pp. 333-344, 1991.
  19. Blach, A.E., Hoa, S., Kwok, C., and Ahmed, A.K.W., “Rectangular Pressure Vessels of Finite Length”, ASME Journal of Pressure Vessel Technology, Vol. 112, No. 1, pp. 50-56, 1990.
  20. Ahmed, A.K.W., and Sankar, S., “Influence of System Parameters on the Critical Speed of Railway Freight Car System with Elasto-Damper Coupled Wheelset”, International Journal of Vehicle Design, Special Publication, Vehicle Systems Performance and Control, pp. 205-217, 1989.
  21. Ahmed, A.K.W., and Sankar, S., “Steady State Curving Performance of Railway Freight Truck with Damper Coupled Wheelsets”, International Journal of Vehicle System Dynamics, Vol. 17, pp. 295-315, 1988.
  22. Ahmed, A.K.W., and Sankar, S., “Lateral Stability Behaviour of Railway Freight Car System with Elasto-Damper Coupled Wheelset: Part 1 - Wheelset Model”, ASME Journal of Mechanisms, Transmissions, and Automation in Design, Vol. 109, pp. 493-499, 1987.
  23. Ahmed, A.K.W., and Sankar, S., “Lateral Stability Behaviour of Railway Freight Car System with Elasto-Damper Coupled Wheelset: Part 2 - Truck Model”, ASME Journal of Mechanisms, Transmissions, and Automation in Design, Vol. 109, pp. 500-507, 1987.

List of Refereed Journal Publications Submitted for review

  1. Dong, R., Ahmed, A.K.W., Hu, Y.S., Liu, Y., “Railway Track Modeld as a Timoshenko Beam on Periodically Changed Elastic Foundation”, Journal of Sound and Vibration, Submitted Nov. 1999.
  2. L Liu, P., Rakheja, S., Ahmed, A.K.W., “Feasibility Analysis of open Loop Rollover Control of Heavy freight Vehicles”, ASME Transactions, Journal of Mechanical Design, Submitted September 1999.
  3. Dong, R., Sankar, S., Dukipatti, R., Ahmed, A.K.W., Hu, Y.S., “Modeling the Vertical Dynamics of Railway Vehicle-Track System”, JSME International Journal, Submitted February 2000.

List of conference publications (in-full)

  1. Kang, X., Rakheja, S., Stiharu, I, Ahmed, A.K.W., “Tank Shape Optimization for Enhancement of Roll Stability of Partially-Filled Tank Vehicles in Steady Turning”, Accepted for the proceedings of IMECHE-2000, The 2000 International Mechanical Engineering Congress & Exposition, Orlando, Florida, November, 2000.
  2. Han, H., Su, C.Y., Ahmed, A.K.W., Fuzzy Control of Nonliniear Systems Using Shape Adaptive Radial Bisis Function”, Proceedings of Fourth World Automation Congress, Maui, Hawaii, June 2000.
  3. Rakheja, S., Ahmed, A.K.W., Liu, P., Richard, M., “Ride Dynamic Properties of a Roll Connected Vehicle Suspension”, Proceedings of 7th Cairo University International MDP Conference, Cairo, Egypt, pp. 105-112, February 2000.
  4. Liu, P., Rakheja, S., Ahmed, A.K.W., “Feasibility Analysis of Open Loop Rollover Control of Heavy Freight Vehicles”, Proceedings of the ASME Mechanical Engineering Conference, Nashville, TN., November, 1999.
  5. Rakheja, S., Ahmed, A.K.W., Yang, X., and Guerette, C., “Optimal Suspension Damping for Improved Driver and Road Friendliness of Urban Buses”, Proceedings of SAE International Bus and Truck Meeting, SAE Paper No. 1999-01-3728, Detroit, MI, pp. 9-20, November, 1999.
  6. Liu, P., Rakheja, S., Ahmed, A.K.W., “Dynamic Roll Stability Analysis of Heavy Vehicles Using Energy approach”, Proceedings of the CSME Forum, Volume 5, pp 401-408, Toronto, ON, May, 1998.
  7. Liu, Peijun, Rakheja, S., Ahmed, A.K.W., “Detection of Dynamic Roll Instability of Heavy Vehicles for open loop Roll Over Control”, SAE International Truck and Bus Meeting, SAE Paper No. 973263, SP-1308, pp 105-112, 1997.
  8. Liu, P.J., Rakheja, S., Ahmed, A.K.W., Dynamic Rollover Properties of Articulated Heavy Vehicles, Proceedings of CANCAM 97, University of Laval, Quebec, Canada, June 01-05, 1997.
  9. Ahmed, A.K.W., Jimenez, J.R.H., Guzman, A.L., “Development of Low Cost Weigh-in-Motion Device”, Transport - 96, Queretaro, Mexico, Nov. 14 -15, pp. 63-75, 1996.
  10. Koganti, R.P., Latinovic, V.N., Ahmed, A.K.W., Linear Statistical Approach in Nonlinear Cutting Force Model, 1996 CSME Forum, McMaster University, Hamilton, Ontario, May 1996.
  11. Ahmed, A.K.W., Liu, C.Y., and Haque, I., “Steady State Curving Performance and Stability-Curving Trade-off for High Speed Articulated Train Sets”, 1996 CSME Forum, McMaster University, Hamilton, Ontario, May 1996.
  12. Taraboulsi, C., Ahmed, A.K.W., “Neural Network Application to Vehicle System Dynamics”, 1996 CSME Forum, McMaster University, Hamilton, Ontario, May 1996.
  13. Liu, P., Rakheja, S., Ahmed, A.K.W., “Analytical Study of Interconnected Vehicle Suspension", ASME International Mechanical Engineering Congress and Exposition, San Francisco, Nov. 1995.
  14. Tummala, M., Krepec, T., Childs, R.F., and Ahmed, A.K.W., “Optimization of Natural Gas Storage System for Vehicles Equipped with Direct Injection System”, Paper No. 952745, SAE International Alternative Fuels Conference and Exposition, San Diego, Dec. 6-8, 1995.
  15. Liu, P., Rakheja, S., Ahmed, A.K.W., “Properties of an Interconnected Hydro-pneumatic Suspension System”, CSME Forum 1994, Vol. 2, Montreal, pp. 849-860, 1994.
  16. Haque, M.M., Ahmed, A.K.W., and Sankar, S., “Nonlinear Analysis of Hydraulic Dampers with Flexible Chambers”, CSME Forum 1994, Vol. 2, Montreal, pp. 835-8848, 1994.
  17. Tummala, M., Krepec, T., and Ahmed, A.K.W., “Optimization of Thermocontrolled Tank for Hydrogen Storage in Vehicles”, Proceedings of 10th World Hydrogen Energy Conference, Cocoa Beach, Florida, pp. 975-984, 1994.
  18. Rakheja, S., Liu, P., Ahmed, A.K.W., “Analysis of an Hydro-Pneumatic Suspension”, ASME Winter Annual Meeting, Advanced Automotive Technology, DSC-Vol. 52, New Orleans, Nov. pp. 279-288, 1993.
  19. Tummala, M., Krepec, T, Ahmed, A.K.W., “Natural Gas On-board Storage System for Automotive Applications", SAE Conference on Future Transportation Technology, SAE Paper No. 931820, San Antonio, Texas, Aug. 1993.
  20. Oueslati, F., Sankar, S., Ahmed, A.K.W., “Limited -state Active Suspension for improved Ride Quality in Rail Vehicles Subjected to Vertical Track Irregularities,” International Symposium on Technological Innovation in Guided Transports, Lille, France, September 1993.
  21. Koganti, R.K.P., Latinovic, V.N., Ahmed, A.K.W., “Frequency Analysis of Cutting Tool-Boring Bar in Deep-hole Machining”, 11th International Modal Analysis Conference, Kissimmee, Florida, 1993, pp. 934-940.
  22. Ahmed, A.K.W., Rakheja, S., Richard, M.J., “Frequency Response Analysis of Symmetric and Asymmetric Vehicle Suspensions”, CSME Forum 1992, Vol. 1, Montreal, Canada, pp. 134-139, 1992.
  23. Tummala, M., Krepec, T, Ahmed, A.K.W., “Investigation on Thermocontrolled Tank for On board Storage of Gaseous Fuels for Automotive Applications”, CSME Forum 1992, Montreal, Canada, June 1 - 5, 1992. pp. 338-342
  24. Ahmed, A.K.W., “Evaluation of a Sequential Damping Concept for Isolation of Shock and Vibration”, The Second Pan American Congress of Applied Mechanics, Vina del Mar, Chile, January 3-6, 1991.
  25. Rakheja, S., Ahmed, A.K.W., Sankar, S., and Afework, Y., “Ride Performance Characteristics of Seat-Suspension Systems and Influence of the Seated Driver”, ASAE Paper No. 917569, ASAE International Winter Meeting, Chicago, Illinois, Dec. 17-20 1991, 26 p.
  26. Ahmed, A.K.W., and Sankar, S., “Deficiencies of Creep-Control Wheelset in Railway Vehicle Curve Negotiation”, CSME Mechanical Engineering Forum, University of Toronto, Canada, June 3-9, Vol. 4, 1990, pp. 355-360.
  27. Ahmed, A.K.W., Sankar, S., and Venkatesh, S., “Isolation of Mass Induced Vibration Using Duel-Phase Damping”, 60th Shock and Vibration Symposium, Virginia, November 14-16, Vol. IV, 1989, pp. 165-178.
  28. Ahmed, A.K.W., and Sankar, S., “An Examination of Railway Vehicle Stability Pertaining to Torsional Flexibility of the Wheelsets”, 12th Biennial ASME Conference on Mechanical Vibration and Noise Control, Montreal, Canada, September 17-21, Vol. 18-5, 1989, pp. 123-130.
  29. Rakheja. S., Ahmed, A.K.W., and Sankar, S., “Realization of Semi-Active Sequential Damping Via Passive Means”, Proceedings of International Conference on Noise and Vibration, Singapore, August, 16-18, 1989, pp. I.9-I.19.
  30. Ahmed, A.K.W., and Sankar, S., “Curving and Stability-Curving Trade Offs of Railway Freight Car System with Creep-Control Wheelsets, Proceedings of 1st Pan American Congress of Applied Mechanics, Rio de Janeiro, Brazil, January 3-6, 1989.
  31. Ahmed, A.K.W., and Sankar, S., “Influence of System Parameters on the Critical Speed of Railway Freight Car System with Elasto- Damper Coupled Wheelset”, Fourth IAVD Congress on Vehicle Design and Components, Geneva, Switzerland, March 3-6, 1987.
  32. Ahmed, A.K.W., and Sankar, S., “Stability and Curving Performance of Railway Freight Truck with Damper Coupled Wheelsets”, ASME Paper No. 87-WA/DSC-20, 108th ASME Winter Annual Meeting, Boston, Dec. 1987.
  33. Ahmed, A.K.W., and Sankar, S., “Lateral Stability Behaviour of Railway Freight Car System with Elasto-Damper Coupled Wheelset: Part 1 - Wheelset Model”, ASME Paper No. 86-DET-53, Design Technology Conference, Columbus, Ohio, October 5-8, 1986.
  34. Ahmed, A.K.W., and Sankar, S., “Lateral Stability Behaviour of Railway Freight Car System with Elasto-Damper Coupled Wheelset: Part 2 - Truck Model”, ASME Paper No. 86-DET-54, Design Technology Conference, Columbus, Ohio, October 5-8, 1986.

Reports
(The following reports resulted from contractual projects with industries and government agencies) * Principal investigator

  1. S.Rakhaja, A.K.W. Ahmed, “Experimental evaluation of dampers for application in urban bus suspension, Transport Development Centre, Transport Canada, Report No. CONCAVE 16-99, October 1999.
  2. S.Rakhaja, A.K.W. Ahmed, Z. Wang, “Development of an axle suspension test stand and laboratory testing for validation of simplified models, Transport Development Centre, Transport Canada, Report No. CONCAVE 20-99, November 1999.
  3. Ahmed, A.K.W., Design Development and Testing of a Low Cost Weigh-in-Motion Device, Internal Report, Instituto Mexicano del Transporte, Queretaro, Mexico, To be submitted, 1996.
  4. Ahmed, A.K.W., Liu, C.Y., and Haque, I., Steady State Curving of High Speed Articulated Train Sets, Department of Mechanical Engineering, Clemson University, Clemson, South Carolina, Aug. 1995.
  5. Ahmed, A.K.W., Heavy Vehicle Stability, Internal Report, Instituto Mexicano del Transporte, Queretaro, Mexico, 1995.
  6. Ahmed, A.K.W., Experimental Modal Analysis of Log Hauling Semitrailer, Interim Report, Forestry Engineering Research Institute of Canada, 1994.
  7. Ahmed, A.K.W., Software for Analysis of Power Plant Structures, Final Report, Northern Telecom, p. 50, 1992
  8. Ahmed, A.K.W., and Tardif, C., “Evaluation of Power Plant Structures in Earthquake and Office Vibration Environment”, Northern Telecom, 1990.
  9. Ahmed, A.K.W., “Simulation of Railway Vehicle Dynamics Using MEDYNA”, Final Report, Division of Mechanical Engineering, National Research Council Canada, 1990, p. 67.
  10. Ahmed, A.K.W., “MEDYNA Users Manual for Simulation of Mechanical Systems”, Final Report, Division of Mechanical Engineering, National Research Council Canada, 1989, p. 91.
  11. Rakheja, S., Sankar, S., Ahmed, A.K.W., and Bhat, R.B., "Ride Vibration Levels at the Driver-seat Interface”, Final Report, Transport Canada Research and Development Centre, 1988, p. 50.
  12. Ahmed, A.K.W., and Sankar, S., “Performance evaluation of Railway Vehicle Primary and Secondary Dampers via Laboratory Testing”, Final Report, Via Rail Canada Inc., 1988, p. 85.
  13. Ahmed, A.K.W., and Sankar, S., “Testing of Neon Light in Military Standard Vibration Environment”, Final Report, Via Rail Canada Inc., 1987.
  14. Ahmed, A.K.W., Rakheja S., and Sankar, S., “Ride Vibration Levels at the Driver-Seat Interface, Part 1: Measurement, Analysis, and Assessment of Heavy Vehicle Vibration”, Interim Report, Transport Canada Research and Development Centre, 1987, p. 123.

MISCELLANEOUS INFORMATION

Professional activities and recognition

  • Served as an invited visiting researcher at Clemson University, Clemson, South Carolina, U.S.A. July - August, 1995.
  • Served as an invited visiting researcher at Instituto Mexicano del Transporte, Queretaro, Mexico, September - December, 1995.
  • Served as a member of FCAR committee for programme des bourses 1994-1995.
  • Member, Honorary Advisory Board, BUET Journal of Mechanical Engineering, Bangladesh.
  • Reviewed Team Grant application for FCAR, 1991
  • Served as a member of the Technical Review Committee of the CSME FORUM 1992 held in Montreal, Canada.
  • Collaborated on invitation, with Institute of Vehicle engineering, Warsaw University of Technology, Warsaw, Poland, in a study on railway vehicle dynamics, 1990.
  • Served as Session Organizer of the CSME FORUM 1992 held in Montreal, Canada.
  • Served as Co-Chair for the Social Program as a member of the organizing committee of the CSME FORUM 1992, held in Montreal during June 1-5, 1992.
  • Reviewed Technical Papers for ASME Journals, 1988 - Date.
  • Reviewed Technical Papers for ASME and CSME Conferences, 1988 -Date.
  • Served as session chairman of ASME 1989 Design Technical Conference, Montreal, Canada, 1989.

Invited lectures

  • Delivered invited seminars on the advanced concepts for isolation of vibration via passive means and on dynamics of railway vehicle system at the following institutes in 1995:
    • Instituto Mexicano del Transporte, Secretaria de Comunicaciones y Transportes, Mexico.
    • Facultad de Ingenieria, Universidad Autonoma de Queretaro, Qro. Mexico.
    • Instituto Tecnologico y de Estudios Superiores de Monterrey, Edu de Mexico, Mexico.
    • Instituto Politecnico Nacional, Seccion de Estudios de Posgrado e Investigacion, Mexico.D.F.
  • Delivered invited seminars at CIATEQ, Unidad Aguascalientes, Aguascalientes, Mexico, on the stability of heavy road vehicles, 1995.
  • Delivered invited seminars at National Research Council, Canada, on the use of multibody dynamic software, 1990.
  • Delivered invited seminars on vehicle system research at Bangladesh University of Engineering and Technology, Dhaka, Bangladesh, August 1989, and December 1992.

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