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College of Engineering
Sean Wu

Sean Wu

University Distinguished Professor, Mechanical Engineering

Contact

  • 313-577-3884
  • sean_wu@wayne.edu
  • 5050 Anthony Wayne Drive
  • College of Engineering Building

Sean Wu

Biography

Department, Mechanical Engineering

Courses Taught

  • ME4410 Vibration Theory and Laboratory (current)
  • ME5440 Industrial Noise Control and Applications
  • ME5460 Fundamentals in Acoustic Radiation
  • ME7440 Signal Processing Technologies and Their Applications
  • ME7460 Advanced Acoustic Radiation

(previously taught ME341, ME491, ME493, ME4993, ME541 on similar subjects of Vibrations I and II, Measurements, Instrumentations, and Data Acquisitions)

Research Interests

Acoustics, Vibration, Noise Control and Signal Processing

Publications 

Book

S. F. Wu, The Helmholtz Equation Least Squares Method  for predicting and reconstructing acoustic radiation (Springer, New York, NY 10013, 2015).

Book Chapter:

Sean F. Wu, Chapter 9: Extended Kirchhoff Integral Formulations, in Acoustics with Boundary Elements, pp. 217 – 238, Wwssex Institute of Technology Press, Ashurst Lodge, Ashurst, Southampton, UK 2000.

Editorship of Books and Proceedings:

  1. Acoustic Radiation and Wave Propagation, ed. by S. F. Wu, Proceedings of the ASME Noise Control and Acoustics Division, NCA-Vol. 17, Chicago, Illinois, 1994.
  2. Vehicle Flow/Structure Noises, ed. by S. F. Wu, D. R. Raichel, and R. C. Marboe, Proceedings of the ASME Noise Control and Acoustics Division, NCA-Vol. 22, Atlanta, Georgia, 1996.
  3. Acoustics and Noise Control Software, ed. by S. F. Wu and P. Saha, Proceedings of the ASME Noise Control and Acoustics Division, NCA-Vol. 24, Dallas, Texas, 1997.
  4. Innovative Computational Method Applied to Linear Structural Mechanics and Acoustics, ed. by S. F. Wu, Proceedings of the ASME Noise Control and Acoustics Division, Anaheim, California, 1998.
  5. Proceedings of the ASME Noise Control and Acoustics Division, ed. by S. F. Wu, the ASME International Mechanical Engineering Congress and Exposition, Nashville, Tennessee, November 1999.
  6. Use of Sound and Vibration for System Characterization, ed. By S. F. Wu and R. F. Keltie, Proceedings of the ASME Noise Control and Acoustics Division, NCA-Vol. 27, Orlando, Florida, November 2000.

Refereed journal articles:

  1. X.- F. Wu, A. D. Pierce, and J. H. Ginsberg, “Variational method for computing surface acoustic pressure on vibrating bodies, applied to transversely oscillating disks,” IEEE Journal of Oceanic Engineering, Vol. OE-12, 412 – 418 (1987).
  2. X.- F. Wu, “Faster calculations of sound radiation from vibrating cylinders using variational formulations,” Transactions of the ASME Journal of Vibration, Acoustics, Stress, and Reliability in Design, Vol. 111, 101 – 107 (1989).
  3.  X.- F. Wu and A. D. Pierce, “Uniqueness of solutions to variationally formulated acoustic radiation problems,” Transactions of the ASME Journal of Vibration and Acoustics, Vol. 112, 263 – 267 (1990).
  4.  X.- F. Wu and A. Akay, “Sound radiation from vibrating bodies in motion,” Journal of the Acoustical Society of America, Vol. 91, 2544 – 2555 (1992).
  5. S. F. Wu, “Nonuniqueness of solutions to extended Kirchhoff integral formulations,” Journal of the Acoustical Society of America, Vol. 93, 683 – 695 (1993).
  6. S. F. Wu, “Transient radiation from an impulsively accelerated body,” Journal of the Acoustical Society of America, Vol. 94, 542 – 554 (1993).
  7.  S. F. Wu and Z. Wang, “Extended Kirchhoff integral formulations for sound radiation from vibrating cylinders in motion,” Transactions of the ASME Journal of Vibration and acoustics, Vol. 115, 324 – 331 (1993).
  8. S. F. Wu, “Vibration analysis of elastic coupler in a planar mechanism,” Journal of the Acoustical Society of America, Vol. 95, No. 5, 2539 – 2549 (1994).
  9. Z. Wang and S. F. Wu, “Radiated acoustic pressure from a moving, nonuniformly vibrating cylinder with two spherical endcaps,” Journal of Computational Acoustics, Vol. 2, No. 1, 71 – 82 (1994).
  10.  S. F. Wu and L. Maestrello, “Responses of a finite baffled plate to turbulent flow excitations,” AIAA Journal, Vol. 33, No. 1, 13 – 19 (1995).
  11. S. F. Wu and Z. Wang, “A fast Fourier transformation algorithm for the Kirchhoff integral formulation,” Journal of the Acoustical Society of America, Vol. 97, No. 1, 108 – 115 (1995).
  12. S. F. Wu and J. Zhu, “Sound radiation from two semi-infinite dissimilar plates subject to a harmonic line force excitation in the presence of mean flow. Part I: Theory,” Journal of the Acoustical Society of America, Vol. 97, No. 5, 2709 – 2723 (1995).
  13. J. Zhu and S. F. Wu, “Sound radiation from two semi-infinite dissimilar plates subject to a harmonic line force excitation in the presence of mean flow. Part II: Asymptotic approximation and numerical results,” Journal of the Acoustical Society of America, Vol. 97, No. 5, 2724 – 2732 (1995).
  14.  S. F. Wu and J. Zhu, “Effect of mean flow on responses of a fluid-loaded plate,” Journal of the Acoustical Society of America, Vol. 98, No. 3, 1786 – 1795 (1995).
  15.  S. F. Wu, S. Su, and H. Shah, “Modeling of noise spectrum of an axial flow fan in a free field,” Journal of Sound and Vibration, Vol. 200(4), 379 – 399 (1997).
  16.  S. F. Wu and J. Zhu, “Stability analysis of a nonlinear plate in mean flow,” Journal of Computational Acoustics, Vol. 5, No. 2, 137 – 155 (1997).
  17. S. F. Wu, G. Wu, M. M. Puskarz, and M. E. Gleason, “Prediction of noise transmission through a vehicle side window due to turbulent boundary layer excitation,” Transactions of the ASME Transactions Journal of Vibration and Acoustics, Vol. 119, 557 – 562 (1997).
  18.  Z. Wang and S. F. Wu, “Helmholtz Equation-Least Squares (HELS) method for reconstructing the acoustic pressure field,” Journal of the Acoustical Society of America, Vol. 102, No. 4, 2020 – 2032 (1997).
  19.  S. F. Wu and Q. Hu, “An alternative formulation for predicting sound radiation from a vibrating object,” Journal of the Acoustical Society of America, Vol. 103, No. 4, 1763 – 1774 (1998).
  20. S. F. Wu, S. Su, and H. Shah, “Noise radiation from engine cooling fans,” Journal of Sound and Vibration, Vol. 216, No. 1, 107 – 132 (1998).
  21.  S. F. Wu and J. Yu, “Reconstructing interior acoustic pressure fields by using HELS method,” Journal of the Acoustical Society of America, Vol. 104, No. 4, 2054 – 2060 (1998).
  22. Q. Hu and S. F. Wu, “An explicit integral formulation for transient acoustic radiation,” Journal of the Acoustical Society of America, Vol. 104, No. 6, 3251 – 3258 (1998).
  23.  S. F. Wu and J. Zhu, “Bifurcation and chaos in flexural vibration of a baffled plate in mean flow,” Journal of the Acoustical Society of America, Vol. 105, No. 1, 732 – 742 (1998).
  24.  S. F. Wu and Z. Zhou, “Simulation of vehicle pass-by noise radiation,” Transactions of the ASME Journal of Vibration and Acoustics, Vol. 121, No. 2, 197 – 203 (1999).
  25. . S. F. Wu, “Prediction of Engine Cooling Fan Noise Radiation,” (invited paper) Noise & Vibration Worldwide, Vol. 30, No. 9, 12 – 19 (1999).
  26.  S. F. Wu, “On reconstruction of acoustic pressure fields by using HELS method,” Journal of the Acoustical Society of America, Vol. 107, No. 5, 2511 – 2522 (2000).
  27. . N. Rayess and S. F. Wu, “Experimental validations of the HELS method on reconstructing radiated acoustic pressures from a complex vibrating structure,” Journal of the Acoustical Society of America, Vol. 107, No. 6, 2955 – 2964 (2000).
  28.  S. F. Wu, N. Rayess, and X. Zhao, “Visualizing sound radiation from a vibrating bowling ball,” Journal of the Acoustical Society of America, Vol. 109, No. 6, 2771 – 2779 (2001).
  29.  Q. Hu, S. F. Wu, S. Stottler, and R. Raghupathi, "Modeling of dynamic responses of an automotive fuel rail system. Part I: Injector,” Journal of Sound and Vibration, Vol. 245, No. 5, 801 – 814 (2001).
  30. S. F. Wu, Q. Hu, S. Stottler, and R. Raghupathi, “Modeling of dynamic responses of an automotive fuel rail system. Part II: Fuel rail system,” Journal of Sound and Vibration, Vol. 245, No. 5, 815 – 834 (2001).
  31. . S. F. Wu, N. Rayess, and N.- M. Shiau, “Visualizing sound radiation from a vehicle front end using the HELS method,” Journal of Sound and Vibration, Vol. 248, No. 5, 963 – 974 (2001).
  32. S. F. Wu, L. Li, and E. Rivin, “Fuel pump vibration measurements by using laser transducers,” Noise Control Engineering Journal, Vol. 49, No. 6, 248 – 257 (2001).
  33.  S. F. Wu and X. Zhao, “Combined Helmholtz equation least squares (CHELS) method for reconstructing acoustic radiation,” Journal of the Acoustical Society of America, Vol. 112, No. 1, 179 – 188 (2002).
  34.  V. Isakov and S. F. Wu, “On theory and applications of the HELS method in inverse acoustics,” Inverse Problem, Vol. 18, 1147 – 1159 (2002).
  35. S. F. Wu, “Absolute instability or chaos? – A tribute to David Crighton,” Journal of Computational Acoustics, Vol. 10, No. 4, 407 – 419 (2002).
  36.  S. F. Wu, “Hybrid nearfield acoustical holography,” Journal of the Acoustical Society of America, Vol. 115, No. 1, 207 – 217 (2004).
  37. T. Semenova and S. F. Wu, “The Helmholtz equation least squares method and the Rayleigh’s hypothesis in nearfield acoustical holography,” Journal of the Acoustical Society of America, Vol. 115, No. 4, 1632 – 1640 (2004).
  38. X. Zhao and S. F. Wu, “Reconstruction of vibro-acoustic fields in half space by using hybrid nearfield acoustical holography,” Journal of the Acoustical Society of America, Vol. 117, No. 2, 555 – 565 (2005).
  39.  T. Semenova and S. F. Wu, “On the choice of expansion functions in the Helmholtz equation least-squares method,” Journal of the Acoustical Society of America, Vol. 117, No. 2, 701 – 710 (2005).
  40.  S. F. Wu, H.-C. Lu, and M. S. Bajwa, “Reconstruction of transient acoustic radiation from a sphere,” Journal of the Acoustical Society of America, Vol. 117, No. 4, 2065 – 2077 (2005).
  41. M. Moondra and S. F. Wu, “Visualization of vehicle interior sound field using the HELS based NAH,” Noise Control Engineering Journal, Vol. 53, No. 4, 146 – 154 (2005).
  42.  X. Zhao and S. F. Wu, “Reconstruction of the vibro-acoustic fields using hybrid nearfield acoustical holography,” Journal of Sound and Vibration, Vol. 282, 1183 – 1199 (2005).
  43.  Z. Ni and S. F. Wu, “An alternative integral formulation for predicting acoustic radiation,” Journal of Computational Acoustics Vol. 15, 81 – 94 (2007).
  44.  S. F. Wu, “Methods for reconstructing acoustic quantities based on acoustic pressure measurements,” Journal of the Acoustical Society of America, Vol. 124, 2680 – 2697 (2008).
  45. H.-C. Lu and S. F. Wu, “Reconstruction of vibro-acoustic responses of a highly non-spherical structure using Helmholtz equation least squares method” Journal of the Acoustical Society of America, Vol. 125, 1538 – 1548 (2009).
  46.  S. F. Wu and N. Zhu, “Locating arbitrarily time-dependent sound sources in 3D space in real time,” Journal of the Acoustical Society of America, Vol. 128, 728 – 739 (2010).
  47. Z. Ni and S. F. Wu, “Experimental validation of alternate integral-formulation method for predicting acoustic radiation based on particle velocity measurements” Journal of the Acoustical Society of America, Vol. 128, 1056 – 1062 (2010).
  48.  N. Zhu and S. F. Wu, “Sound source localization in three-dimensional space in real time with redundancy checks,” Journal of Computational Acoustics, Vol. 20, No. 2, 125007-1 to 125007-16 (2012).
  49. L. K. Natarajan and S. F. Wu, “Reconstruction of normal surface velocities on a baffled plate using Helmholtz equation least squares method,” Journal of the Acoustical Society of America, Vol. 131, 4570 – 4583 (2012).
  50.  S. F. Wu and N. Zhu, “Blind extraction and sources localization using point source based approaches,” Journal of the Acoustical Society of America, Vol. 132, 904 – 917 (2012).
  51.  H.- C. Lu, S. F. Wu, and D. B. Keele, Jr., “Reconstructing Acoustic Radiation Patterns of an elongated, baffled plate at High Frequencies with the Nyquist Spatial Sampling Rate Significantly Relaxed,” Journal of Computational Acoustics, Vol. 4, 1250015 – 1 – 24 (2012).
  52.  S. F. Wu and L. K. Natarajan, “Panel acoustic contribution analysis” Journal of the Acoustical Society of America, Vol. 131, 4570 – 4583 (2012).
  53. S. F. Wu and N. Zhu, “Passive sonic detection and ranging for locating arbitrary sound sources,” Journal of the Acoustical Society of America, Vol. 133, 4054 – 404 (2013).
  54.  S. F. Wu, “Reconstructing transient acoustic radiation from an arbitrarily shape rigid object,” Journal of the Acoustical Society of America, Vol. 136, 514 – 524 (2014).
  55.  S. F. Wu, M. Moondra, and R. Beniwal, “Analyzing panel acoustic contributions toward the sound field inside the passenger compartment of a full-size automobile,” Journal of the Acoustical Society of America, Vol. 137, 2101 – 2112, 2015.
  56.  S. F. Wu and P. Zhou, “Analyzing excitation forces acting on a plate based on measured acoustic pressure,” Journal of the Acoustical Society of America, Vol. 140, 510 – 523, 2016.
  57.  L. Chen, S. F. Wu, Y. Xu, W. D. Lyman, and G. Kapur, “Calculating blood pressure based on measured heart sounds,” Journal of Computational Acoustics, Vol. 25, No. 3, 1750014-1 – 1750014-17, 2017.
  58. L. Chen, S. F. Wu, Y. Xu, W. D. Lyman, and G. Kapur, “Blind separation of heart sounds,” Journal of Theoretical and Computational Acoustics, Vol. 26, No. 1, 1750035-1 – 1750035-21, 2018.
  59.  P. Zhou, S. F. Wu, and W. Li, “Reconstructing excitation forces acting on a baffled plate using nearfield acoustical holography,” Journal of Theoretical and Computational Acoustics, Vol. 26, No. 1, 1750028-1 – 1750028-22 (2018).
  60.  G. Kapur, L. Chen, Y. Xu, K. Cashen, J. Clarke, X. Feng, S. F. Wu,” Noninvasive determination of blood pressure by heart sound analysis compared with intra-arterial monitoring in critically ill children – A pilot study of a novel approach,” Critical Care Medicine (Accepted for publication 2019).
  61. S. F. Wu, L. Chen, A. Figueroa, and M. Telenko, Jr., “Laser-assisted reconstruction of vibro-acoustic behaviors of an arbitrarily shaped vibrating structure,” Journal of Theoretical and Computational Acoustics (Accepted for publication 2019).
  62. Sean F. Wu, Lingguang Chen, Antonio Figueroa, and Michael Telenko, Jr., “Laser-assisted reconstruction of vibro-acoustic behaviors of an arbitrarily shaped vibrating structure,” Journl of Theoretical and Computational Acoustics (Accepted, 2019).
  63. A. Figueroa3, M. Telenko, Jr., L. Chen, and S. F. Wu, “Determining structural damping and vibro-acoustic characteristics of a vibrating structure,” Journal of Sound and Vibration (Accepted for publication 2020).

Professional Affiliations

  • American Society of Mechanical Engineers: Fellow
  • Acoustical Society of America: Fellow
  • Society of Automotive Engineering: Member
  • International Institute of Noise Control Engineering: Member

Awards and Honors

  1. The 2018 ASME Per Bruel Gold Medal in Noise Control and Acoustics “for significant contributions to applications of acoustical theory to noise control; for the development of computational methods to predict sound radiation from finite flexible structures; and for outstanding educational mentorship in noise control and acoustics,” November 2018.
    • This Per Bruel Gold Medal is the highest honor in the field of noise control and acoustics. Since its inception in 1987, this was the first time that the Per Bruel Gold Medal was bestowed to an Asian American in 2018.
  2. The 2nd Prize Winner for the invention at the Ignite Innovation Competition, “Cardio Sound Blood Pressure Meter,” the State of Michigan, May 2018
  3. Zhejiang Provincial Professor, Zhejiang University of Technology (China), 2012 – present
  4. The Inaugural Zhu Ke Zen Distinguished Alumni, Zhejiang University (China), 2011
  5. Outstanding Faculty Service Award, the College of Engineering, WSU, 2011
  6. Faculty Advisory Board Service Award, the College of Engineering, WSU, 2010
  7. Honorary Professor, Zhejiang Automotive Engineering Institute, China, 2008
  8. Faculty Mentor Award, the Office of the Vice President for Research, WSU, 2008
  9. The Inaugural Alpha Award for Technology Innovation, the Engineering Society of Detroit, 2006
  10. The Inventor of the Year Award, WSU, 2006
  11. University Distinguished Professor by the Board of Governors, WSU, August 2005
  12. The Asian Pacific American Chamber of Commerce Recognition, May 2005
  13. The Asian Academy Hall of Fame, the Academy of Asian Leaders, November 2004
  14. The Most Influential Pan-Asians in Michigan by the Corp! Magazine, 2004
  15. Outstanding Graduate Mentor Award in Natural Sciences and Engineering, WSU, 2004
  16. The Best Small Business Technology Award, the State of Michigan, 2004
  17. The Inventor of the Year Award, WSU, 2003
  18. Excellence in Teaching Award, the College of Engineering, WSU, 2003
  19. Charles DeVlieg Professor of Mechanical Engineering, WSU, 2002 – 2005
  20. Fellow, ASA, 2002 – present
  21. Fellow, ASME, 2001 – present
  22. Career Development Chair Award, WSU, 1998
  23. Recognized for Mentoring an Undergraduate in winning a Competitive Award, WSU, 1998
  24. Recognized for Mentoring an Undergraduate in winning a Competitive Award, WSU, 1997
  25. Teetor Education Award, SAE, 1997
  26. The Outstanding Ph.D. Thesis Presentation Award, Georgia Institute of Technology, 1987

Patents

  1. S. F. Wu and Z. Wang, “Noise diagnostic system,” U.S. Patent No. 5,712,805, January 27, 1998.
  2. S. F. Wu and Q. Hu, “System and method for predicting sound radiation and scattering from an arbitrarily shaped object,” U.S. Patent No. 5,886,264, March 23, 1999.
  3. S. F. Wu, “Method and apparatus for reconstructing an acoustic field,” U.S. Patent No. 6,615,143, September 2, 2003.
  4. S. F. Wu, “Pressure and/or particle velocity measurements based nearfield acoustical holography,” U.S. Patent Reference No. 67,021,015, December 27, 2005.
  5. S. F. Wu, “Reconstruction of transient acoustic radiation from a finite object subject to arbitrarily time-dependent excitations,” U.S. Patent No. 6,996,481, February 7, 2006.
  6. S. F. Wu, “Reduction of flow-induced noise in a centrifugal blower,” U.S. Patent No. 8,231,331, July 31, 2012.
  7.  S. F. Wu, “Panel Acoustic Contributions Examination (PACE),” U.S. Patent Reference No. 67,021-010, February 13, 2006.
  8. S. F. Wu, “Snapshot of Noise and Acoustic Propagation,” U. S. Patent Reference No. 67,021,011, July 2006.
  9.  S. F. Wu, “Non-invasive Modal Analysis,” U.S. Patent Reference No. 67,021-014, December 2006.
  10.  S. F. Wu and R. Beniwal, “Acoustic Particulates Density Meter,” U.S. Patent No. 7,213,445, June 7, 2007.
  11. S. F. Wu, “Far-field analysis of noise sources,” U.S. Patent No. 7,330,396, February 2008.
  12. S. F. Wu, “Process for predicting flow-induced noise,” U.S. Patent Reference No. 12,048,904, March 14, 2008.
  13. S. F. Wu, “3D Soundscaping,” U.S. Patent Reference No. 61,172,494, April 2009.
  14. S. F. Wu, “Blind extraction of target signals,” U.S. Patent Reference No. 61,556,516, November 2011.
  15. S. F. Wu, “An autonomous surveillance system for blind sources localization and separation,” WSU Doc No. 13-1159, April 2013.
  16. S. F. Wu, “Blind localization and separation of target sources,” U.S. Patent Reference No. 61,817,041, April 2013.
  17. W. D. Lyman, G. Kapur, Y. Xu, S. F. Wu, and L. Chen, “Method and apparatus for determining blood pressure on measured heart sounds,” U.S. Patent Reference No. 66174-0046, and CPT filing in Europe, January 25, 2018.

Education

  • PhD., Georgia Institute of Technology, 1987
  • MSME, Georgia Institute of Technology, 1984
  • BSME, Zhejiang University, China, 1982

Courses taught by Sean Wu

Winter Term 2025 (future)

Fall Term 2024 (current)

Winter Term 2024

Fall Term 2023

Winter Term 2023

Fall Term 2022

Winter Term 2022

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