Lab W198

Work: (614)292-4147

gunduz.2@osu.edu

Area of research: NVH, Computational and Experimental Interfacial Force Estimation Methods

Lab W198

Work: (614)292-4147

hu.236@osu.edu

Area of research: Automotive noise, vibration and harshness (NVH) control

Lab W197

Work: (614)292-4147

sen.25@osu.edu

Area of research: Brake Judder Project

Lab 6018

Work: (614)292-4147

yoon.99@osu.edu

Lab 6018

Work: (614)292-4147

crowther@eng.uts.edu.au

Area of research: See Presentation

Publications:

1. Crowther, A.R. and Zhang, N, ‘Torsional Finite Elements and Non-Linear Numerical Modelling in Vehicle Powertrain Dynamics’, Journal of Sound and Vibration, In Press, Corrected Proof, Available online 9 December 2004

2. Crowther A., Zhang, N. Liu D.K., Jeyakumaran J.M. (2004) ‘Analysis and Simulation of Clutch Engagement Judder and Stick-Slip in Automotive Powertrain Systems’ Proceedings of Institute of Mech. Eng. Part D: Journal of Automobile Engineering, Vol 218, No. D12, pp. 1427-1446.

3. Zhang, N., Crowther, A., Liu, D.K. & Jeyakumaran, J., ‘A Finite Element Method for the Dynamic Analysis of Automatic Transmission Gear Shifting with a 4DOF Planetary Gearset Element’, Proceedings of Institute of Mech. Eng. Part D: Journal of Automobile Engineering, 217, 461-473, 2003

4. Crowther, A.R. and Zhang, N., ‘Dynamic Modelling and Applications for Passenger Car Powertrains’, Journal of Acoustics Australia, Vol. 32, No. 1, April, 2004 (accepted as special publication from Asia-Pacific Vibration Conference 2003).

5. Crowther, A., Zhang, N., ‘Applied Numerical Modelling of Gear Impacts in Powertrains - Driveline Shuffle and Clunk’ Australian Conference of Applied Mechanics, Melbourne 2005, (Proceedings of the Fourth Australian Congress on Applied Mechanics, Melbourne 16-18 February 2005, pp. 619-624.

6. Crowther, A., Zhang, N., Singh R., ‘Development of a Clunk Simulation Model for a Rear Wheel Drive Vehicle with Automatic Transmission’. SAE Noise and Vibration 2005, Michigan, IL (in press)

7. Crowther, A., Zhang, N., ‘Powertrain Vibration using Torsional Finite Elements’, Proceedings of Asia-Pacific Vibration Conference, November 2003, Gold Coast, Australia

8. Crowther, A., Zhang, N., Liu, D.K. and Jeyakumaran, J., ‘A Finite Element Method for Dynamic Analysis of Automatic Transmission Gear Shifting’. Proceedings of 6th Int. Conf. on Motion and Vibration Control, Saitama, 1, 514-519, 2002

Lab 6018

Work: (614)292-4147

inoue.17@osu.edu

Publications:

1. S. Kim, A. Inoue and R. Singh, Experimental Study of Structure-Borne Noise Transfer Paths Over Mid Frequency Regime, SAE Paper # 2005-01-2338, 2005 SAE Noise and Vibration Conference. [C05-6]

Lab 6018

Work: (614)292-4147

he.81@osu.edu

Area of research: See Presentation

Publications:

1. S. He and R. Singh, Estimation of Amplitude and Frequency Dependent Parameters of Hydraulic Engine Mount Given Limited Dynamic Stiffness Measurements, Noise Control Engineering Journal, 53(6), 255-269, 2005. [J141]

2. S. He and R. Singh, Approximate Step Response of a Non-Linear Hydraulic Mount Using a Simplified Linear Model, Journal of Sound and Vibration (in press; proof reference: doi:10.1016/j.jsv.2006.06.056).

3. S. He, R. Gunda and R. Singh, Inclusion of Sliding Friction in Contact Dynamics Model for Helical Gears, ASME Journal of Mechanical Design, Special Supplement on Design of Direct Contact Mechanisms, Jan. 2007 issue (in press, paper # MD-05-1483).

4. S. He, R. Gunda and R. Singh, Effect of Sliding Friction on the Dynamics of Spur Gear Pair with Realistic Time-Varying Stiffness, Journal of the Sound and Vibration (in press, paper # NAM/152/05).

5. S. He, S. Cho and R. Singh, Prediction of Dynamic Friction Forces in Spur Gears Using Alternate Sliding Friction Formulations, Journal of Sound and Vibration (in press, paper # JSV-D-06-00753).

6. S. He and R. Singh, Prediction of High Frequency Response Characteristics of Hydraulic Mounts, SAE Paper # 2005-01-2410, SAE Noise and Vibration Conference, Traverse City, MI, 16-19 May 2005. [C05-2]

7. S. He and R. Singh, Improved Estimation of Linear and Nonlinear Hydraulic Mount Models for Transient Responses, SAE Paper # 2005-01-2411, SAE Noise and Vibration Conference, Traverse City, MI, 16-19 May 2005. [C05-1]

8. S. He and R. Singh, Transient Response of Hydraulic Engine Mount to a Realistic Excitation: Improved Non-linear Models and Validation, SAE Paper # 07NVC-14, abstract accepted by SAE Noise and Vibration Conference, St. Charles, IL, 14-17 May 2007.

9. S. He and R. Singh, Incorporation of Non-Linear and Quasi-Linear Hydraulic Mount Formulations into a Vehicle Model, SAE Paper # 07NVC-15, abstract accepted by SAE Noise and Vibration Conference, St. Charles, IL, 14-17 May 2007.

10. R. Singh and S. He, Anatomy of a Real-Life Non-Linear Device: Hydraulic Engine Mount, invited paper for the International Modal Analysis Conference, Orlando, FL, Feb. 2007.

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Work: (614)292-4147

kim.873@osu.edu

Area of research: See Presentation

Publications:

1. S. Kim and R. Singh, Structure-Borne Noise Measures and Their Correlation to Sound Radiation over a Broad Range of Frequencies, 2003 SAE Transactions Journal of Passenger Cars: Mechanical Systems, 112(6), 1617-1626, (2003-01-1450), published in Sept. 2004. [J130]

2. S. Kim and R. Singh, Examination of Some Vibration Isolator Models and Their Effects on Vibration and Structure-borne Noise Transmission, 2003 SAE Transactions Journal of Passenger Cars: Mechanical Systems, 112(6), 1702-1712, (2003-01-1477), published in Sept. 2004. [J129]

3. S. Kim and R. Singh, Examination of Multi-Dimensional Vibration Isolation Measures and Their Correlation to Sound Radiation over a Broad Range of Frequencies, Journal of Sound and Vibration, 262 (3), 419-455, 2003. [J123]

4. S. Kim and R. Singh, Examination of High Frequency Characterization Methods for Mounts, SAE Transactions, Vol. 110, Journal of Passenger Cars: Mechanical Systems, Section 6, 1625-1633 (Paper # 2001-01-1444), 2002. [J118]

5. S. Kim and R. Singh, Multi-Dimensional Characterization of Vibration Isolators over a Wide Range of Frequencies, Journal of Sound and Vibration, 245(5), 877-913, 2001. [J111]

6. S. Kim and R. Singh, Vibration Transmission Through an Isolator Modeled by Continuous System Theory, Journal of Sound and Vibration, 248(5), 925-953, 2001. [J110]

7. S. Kim, A. Inoue and R. Singh, Experimental Study of Structure-Borne Noise Transfer Paths Over Mid Frequency Regime, SAE Paper # 2005-01-2338, 2005 SAE Noise and Vibration Conference. [C05-6]

8. S. Kim and R. Singh, Structure-Borne Noise Measures and Their Correlation to Sound Radiation over a Broad Range of Frequencies, Paper # 2003-01-1450, 2003 SAE Noise and Vibration Conference, May 2003. [C03-6]

9. S. Kim and R. Singh, Examination of Some Vibration Isolator Models and Their Effects on Vibration and Structure-borne Noise Transmission, Paper # 2003-01-1477, 2003 SAE Noise and Vibration Conference, May 2003. [C03-5]

10. S. Kim and R. Singh, Effect of Source Characteristics on Structure-borne Noise in an Isolation System over Mid and High Frequencies, The 2002 International Congress and Exposition on Noise Control Engineering (INTER-NOISE 2002), paper # N510, August 2002. [C02-5]

11. S. Kim and R. Singh, Vibration Power Transmission Through Multi-Dimensional Isolation Paths over High Frequencies, Paper # 2001-01-1452, 2001 SAE Noise and Vibration Conference, May 2001. [C01-3]

12. S. Kim and R. Singh, Examination of High Frequency Characterization Methods for Mounts, paper # 2001-01-1444, 2001 SAE Noise and Vibration Conference, May 2001. [C01-2]

Lab W198

Work: (614)292-4147

liu.893@osu.edu

Area of research: Automotive Noise and Vibration Control, Vehicle System Dynamics

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Work: (614)292-4147

duan.19@osu.edu

Area of research: See Presentation

Publications: (Key *: yet to formally appear in the journal)

1. C. Duan and R. Singh, Dynamics of a 3DOF Torsional System with a Dry Friction Controlled Path, accepted for Journal of Sound and Vibration, Feb. 2005. [J139]*

2. C. Duan and R. Singh, Transient Responses of a 2DOF Torsional System with Non-Linear Dry Friction Under Harmonically-Varying Normal Load, Journal of Sound and Vibration (in press), 2005. [J136]*

3. C. Duan and R. Singh, Super-Harmonics in a Torsional System with Dry Friction Path Subject to Harmonic Excitation Under a Mean Torque, Journal of Sound and Vibration (in press), 2005. [J135]*

4. C. Duan and R. Singh, Stick-Slip Behavior of Torque Converter Clutch, SAE Paper # 2005-01-2456, 2005 SAE Noise and Vibration Conference. [C05-3]

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Work: (614)559-3898

gunda.2@osu.edu

Area of research: See Presentation

Publications:

1. R. Gunda, S. Vijayakar, R. Singh and J.E. Farstad, Harmonic Green’s Functions of a Semi-Infinite Plate with Clamped or Free Ends, Journal of Acoustical Society of America, 103(2), 888-899, 1998. [J102]

2. R. Gunda, S.M. Vijayakar and R. Singh, Flexural Vibration of an Infinite Wedge, Journal of Acoustical Society of America, 102(1), 326-334, 1997. [J093]

3. R. Gunda, S.M. Vijayakar, and R. Singh, Method of Images for the Harmonic Response of Beams and Rectangular Plates, Journal of Sound and Vibration, 185(5), 791-808, 1995. [J071]

4. R. Gunda and R. Singh, Dynamic Analysis of Sliding Friction in a Gear Pair, Paper No. PTG2003-137, ASME/AGMA 2003 International Power Transmission and Gearing Conference, September 2003, Chicago, IL. [C03-7]

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Work: (937)440-3218

Todd.Rook@goodrich.com

Area of research: See Presentation

Publications:

1. Computational issues associated with gear rattle analysis, part I: problem formulation, C. Padmanabhan, T.E. Rook and R. Singh, ASME 6th Int. Power Transmission and Gearing Conference, DE-Vol. 43-1, 129-136, 1992.

2. Computational issues associated with gear rattle analysis, C. Padmanabhan, R.C. Barlow T.E. Rook and R. Singh, ASME Journal of Mechanical Design, 117, pp. 185-192, 1995

3. Dynamic analysis of a reverse-idler gear pair with concurrent clearances, T. E. Rook and R. Singh, Journal of Sound and Vibration, 182(2), pp. 303-322, 1995. [J076]

4. Modeling of automotive gear rattle phenomenon: state of the art, C. Padmanabhan, T.E. Rook, and R. Singh, SAE Noise and Vibration Conference, 669-680, SAE Paper 951316, 1995.

5. Mobility analysis of structure-borne noise power flow through bearings in gearbox-like structures, T.E. Rook and R. Singh, Noise Control Engineering Journal, 44(2), pp. 69-78, 1996. [J090]

6. Power flow through multi-dimensional compliant joints using mobility and modal approaches, T.E. Rook and R. Singh, Journal of the Acoustical Society of America, 97(5), 2882-2891, 1995. [J077]

7. Modal truncation issues in synthesis procedures for vibratory power flow and dissipation, T.E. Rook and R. Singh, Journal of the Acoustical Society of America, 99(4), 2158-2166, 1996. [J089]

8. Calculation of rolling element bearing stiffness in compliant shaft and casing structures, T.E. Rook and R. Singh, 7th Int. Power Transmission and Gearing Conference, ASME DE- 88, 603-609, 1996.

9. Modeling of the bottom cover dynamics of a scroll compressor, Proceedings of Purdue Compressor Conference, T.E. Rook, 1996.

10. Structural intensity calculations for compliant plate-beam structures connected by bearings, T. E. Rook and R. Singh, Journal of Sound and Vibration, 211(3), pp. 365-387, 1998.

11. Simulation of aircraft brake vibration to guide component testing on a dynamometer, T.E. Rook, J.J. Enright, S. Kumar, and R. Balagangadhar, Paper U055, 2001 India-USA Symposium on Emerging Trends in Vibration and Noise Engineering.

12. Dynamic aircraft landing gear simulation using flexible multibody methods in ADAMS to guide component design and testing, T.E. Rook and S. Kumar, 2001 Adams North American Users’ Conference.

13. Simulation of aircraft brake vibration using flexible multibody and finite element methods to guide component testing, T.E. Rook, J.J. Enright, S. Kumar, and R. Balagangadhar, SAE Paper 2001-01-3142.

14. Vibrational energy analysis of plates using an element-free approach, T.E. Rook, Paper N121, Inter-NOISE 2002.

15. A novel and efficient technique to rank aircraft brake judder levels at the design stage, T.E. Rook, Paper N506, Inter-NOISE 2002.

16. An efficient technique to incorporate Six-Sigma philosophies into NVH design, T.E. Rook, Paper N544, Inter-NOISE 2002.

17. An alternate method to the alternating time-frequency method, T.E. Rook, Nonlinear Dynamics, 27(4), pp. 327-339, 2002.

18. Noise path synthesis with nonlinear joints, T.E. Rook, Nonlinear Dynamics, 30(3), pp. 295-312, 2002.

19. Effect of smoothening functions on the frequency response of an oscillator with clearance non-linearity, T.C. Kim, T.E. Rook, and R. Singh, Journal of Sound and Vibration, 263(3), pp. 665-678, 2003.

20. Super- and sub-harmonic response calculations for a torsional system with clearance non-linearity using the harmonic balance method, T.C. Kim, T.E. Rook, and R. Singh, Journal of Sound and Vibration, 281(3-5), pp. 965-993, 2005.

21. Effect of nonlinear impact damping on the frequency response of a torsional system with clearance, T.C. Kim, T.E. Rook, and R. Singh, Journal of Sound and Vibration, 281(3-5), pp. 995-1021, 2005.

22. Coupling of an aircraft landing gear simulation strategy to parameter identification techniques for enhanced fidelity, T.E. Rook, Paper DETC2003-48450, ASME Design Engineering Technical Conference, Chicago, Illinois.

23. An efficient technique to determine susceptibility of aircraft brakes to judder at the design stage, T.E. Rook, Paper DETC2003-48577, ASME Design Engineering Technical Conference, Chicago, Illinois.

24. An improved noise path synthesis technique for systems with nonlinear joints, T.E. Rook, Paper DETC2003-48581, ASME Design Engineering Technical Conference, Chicago, Illinois.

25. Nonlinear joint parameter identification within a noise path synthesis framework, T.E. Rook, to be submitted to DETC2005.

26. Investigating efficient means to incorporate variability studies into NVH, T.E. Rook, to be submitted to DETC2005.

27. Transient stochastic analysis of nonlinear oscillators using the Fokker-Planck equation, be submitted to DETC2005.