TECHNOLOGY & PATENTS:

• 14 years of government and commercial projects
  
  
• 13 U.S. and international patents
  
  
• Expertise in noise/vibration/acoustics/shock analysis and control
  
  
• Capabilities in modeling simulation and analysis
  
  
• Capabilities in testing and evaluation
  
  
• Capabilites in field data collection and analysis
  
  
• Ability to secure government funds for R&D projects ($2.5 billion funding pool)
  
  
• Ability to secure sole source phase 3 awards

Publications

1. D. Allaei, D. Tarnowski, M. Mattice, R. Testa, "Smart Isolation Mount for Army Guns,"10TH U.S. Army Gun Dynamics Symposium, Austin, TX, April 2001.
2. D. Allaei, "Energy-Based Smart Skin Structures," BMDO Report II, July 2000.
3. D. Allaei, R. Maday, &l2001. dquo;On the Design and Performance of An Energy Based Smart Skin Structure," 7th International Congress on Sound and Vibration, Germany, 4-7 July 2000.
4. D. Allaei, D. Tarnowski, "Influence of a Multi-Layer Ribbed Plate Insert on the Performance Passive Sonar," 7th International Congress on Sound and Vibration, Germany, 4-7 July 2000.
5. D. Allaei, D. Tarnowski, J. Scipioni, R. Tomassoni, and L. Potter, "Design and Implementation of the Noise and Vibration Reduction Solutions in the MINNTAC Facilities - Part I," Presented at AIHCE 2000, Orlando, FL, May 19-26, 2000.
6. D. Allaei, D. Tarnowski, M. Mattice, and R. Testa, "Smart Isolation Mount for Army Guns - Part I: Preliminary Results," Presented to Smart Electronics and MEMS Conference, SPIE, 2000.
7. D. Allaei & R. Maday, "On the Design and Performance of An Energy Based Smart Skin Structure," 7th International Congress on Sound and Vibration, 2000
8. D. Allaei & D. Tarnowski, "Influence of a Multi-Layer Ribbed Plate Insert on the Performance Passive Sonar," 7th International Congress on Sound and Vibration, 2000
9. D. Allaei, D. Tarnowski, A. Arndt, N. Allen, and A. Pazcuzzi, "Shock and Vibration Reduction by Diversion and Confinement of Energy," 69th Shock and Vibration Symposium, Minneapolis, MN October 12-16, 1998
10. D. Allaei and D.J. Tarnowski, "Enhancing the Performance of Constrained Layer Damping by Confining Vibrational Energy," Symposium on Vibration Control Via Passive/Active Damping Methods, International Mechanical Engineering Congress and Exposition (ASME WAM 97), Dallas, TX, November 1997.
11. D. Allaei, "Performance Comparison Between Vibration Control by Confinement and Conventional Control Techniques," Symposium on Active and Hybrid Structural Control; ASME 16th Biennial Conference on Mechanical Vibration and Noise, Sacramento, CA, September 1997.
12. D. Allaei, Y.T. Shih, and D. J. Tarnowski, "An Innovative Technique to Optimize Performance of Passive and Active Damping Elements," 10th International Congress and Exhibition on Condition Monitoring and Diagnostic Engineering Management (COMADEM 97), Espoo, Finland, June 1997.
13. D. Allaei & Yin-Tsan Shih, "Sensor and Actuator Optimization Based on Confined Vibrations," 10th International Congress and Exhibition on Condition Monitoring and Diagnostic Engineering management (COMADEM 97), Espoo, Finland, June 1997.
14. D. Allaei, "Current State of Passive and Active Vibration Control by Confinement," 10th International Congress and Exhibition on Condition Monitoring and Diagnostic Engineering management (COMADEM 97), Espoo, Finland, June 1997.
15. D. Allaei and Y.T. Shih, "Influence of Confined Vibrations on Sensor and Actuator Optimization," Noise & Vibration Conference & Exp., SAE, Traverse City, MI, May 1997.
16. D. Allaei and D.J. Tarnowski, "A Comparison Between Passive Vibration Control by Confinement and Current Passive Techniques," Noise & Vibration Conference & Exp., SAE, Traverse City, MI, May 1997.
17. D. Allaei, "Vibrational Effects on the Structural Integrity of Fasteners," Workshop on Structural Integrity of Fasteners, ASTM Conference, St. Louis, MO, May 1997.
18. D. Allaei, Y.T. Shih, and D. J. Tarnowski, "On the Sensor and Actuator Placement in Structures with Confined Vibrations," Smart Structures and Materials, Industrial and Commercial Applications of Smart Structures Technologies, San Diego, CA, March 1997.
19. Clark, William, Fangning Sun & D.J. Tarnowski, "Comparison of Vibration Control by Confinement to Conventional Active Vibration Control Methods," SPIE vol. 3044, 1997.
20. D.J. Tarnowski, D. Allaei, D. Landin, C.P. Chen, and S. Liu, "An innovative Noise and Vibration Suppression Technique Based on the Combination of Vibration Control by Confinement and Layer Damping Approaches," 3rd Joint Conference – Acoustical Society of America (ASA) and Acoustical Society of Japan (ASJ), Honolulu, Hawaii, December 1996.
21. D. Allaei, "Passive and Active Vibration Control by Confinement: An Overview," 33rd Annual Technical Meeting of the Society of Engineering Science, ASU, Tempe, October 1996.
22. D. Allaei, "Vibration Control by Confinement: An Overview," 4th International Congress on Sound and Vibration, St. Petersburg, Russia, June 1996.
23. Reza Ahmadian, David Tarnowski and Daryoush Allaei, " Mode Localization in Multi-Span, Nonuniform, Rotating Beams," Proceedings of the 14th International Modal Analysis Conference, Dearborn, MI, Feb., 1996.
24. D. Allaei, "Application of Modal Energy Localization Phenomenon to Smart Structures," Smart & Commercial Applications of Smart Structures Technology Session at Smart Structure & Materials ' 95 Conference by The International Society for Optical Eng. (SPIE), 1995.
25. J.H. Yu and D. Allaei, " Errors in Modal Parameter Identification due to Mode Localization," Proceedings of the 13th International Modal Analysis Conference, 1995.
26. G. Miccoli, A. Jacob, D. Allaei, and D. Tarnowski, " An Efficient Modeling Technique for Vibration Analysis of Composite and Complex Structures," Proceedings of the 13th International Modal Analysis Conference, 1995.
27. J.H. Yu and D. Allaei, " Vibration Suppression Without Add-on Elements or Dissipation of Energy Through Damping Material," Proceedings of the 13th International Modal Analysis Conference, 1995.
28. D. Allaei, "Smart Aircraft By Continuous Condition Monitoring of Aircraft Structures and Components," Poster Session at 2nd European Conference on Smart Structures & Materials, Glasgow, Scotland, UK, 1994.
29. D. Allaei, "Vibration and Noise Control in Civil Structures by 'Smart' Design," Proceedings of the 2nd European Conference on Smart Structures & Materials, Glasgow, UK, 1994.
30. D. Allaei, "Application of Localized Vibration and Smart Materials in Controlling the Dynamic Response of Structures, Part III," Defense Advanced Project Agency, 1994.
31. D. Allaei, A. Jacob, D. Tarnowski, "Application of Vibration Localization to Optimize the Service-Free Life of Aircraft Fasteners," Third International Congress on Air- and Structure-Borne Sound and Vibration, Montreal, Canada, 1994.
32. D. Allaei, "Vibration and Noise Control of Rotating Components Based on Elastic Energy Localization," Third International Congress on Air- and Structure-Borne Sound and Vibration, Montreal, Canada, 1994.
33. D. Allaei, "Vibration and Noise Optimization by "Smart" Design," Third International Congress on Air- and Structure-Borne Sound and Vibration, Montreal, Canada, 1994.
34. D. Allaei, "Inverse Receptance Method Applied to Damage Identification," AIAA Dynamics Specialists Conference, Hilton Head, South Carolina, 1994.
35. D. Allaei, "Mathematical Model of Structures Carrying Attached or Embedded Intelligent Devices," AIAA Dynamics Specialists Conference, Hilton Head, South Carolina, 1994.
36. D. Allaei, "An Efficient Mathematical Model for Interfaces Between the Host Structure and Smart Devices," SPIE, 1994.
37. D. Allaei, "Long Term Effects of Low Level Vibrations on Human Body," Thirteenth Southern Biomedical Engineering Conference, Washington, DC, 1994.
38. D. Allaei, D. Tarnowski, "First Official Degree Program in the Field of Sound and Vibration Part II," Preventive/Predictive Maintenance Technology Conference, Dallas, TX, 1993.
39. D. Allaei, D. Tarnowski, "Outsmarting Resonance Frequency," Preventive/Predictive Maintenance Technology Conference, Dallas, Texas, 1993.
40. D. Allaei, "Application of Localized Vibration and Smart Materials in Controlling the Dynamic Response of Structures," International Noise and Vibration Control Conference, St. Petersburg, Russia, 1993 (invited speaker).
41. M. Labadi, D. Allaei, "Natural Frequencies and Mode Shapes of Tires with Mass Non-Uniformity," 12th Annual Meeting and Conference on Tire Science and Technology, Akron, Ohio, 1993.
42. D. Allaei, "First Official Degree Program in the Sound and Vibration," Vibration Institute 16th Annual Meeting, Williamsburg, Virginia, 1992.
43. D. Allaei, "An Advanced Computational Method for Vibration Analysis of Structures Made of Composite Materials," Sixth Japan-United States Conference on Composite Materials, Orlando, Florida, 1992.
44. D. Allaei, "Effects of Non-Uniformities in Fasteners on Localized Vibration and Fatigue," 2nd International Conference on Computer Aided Assessment and Control of Localized Damage, Wessex Institute of Technology, Southampton, UK, 1992.
45. D. Allaei, "Vibration Monitoring Based on Frequencies and Mode Shapes," Recent Advances in Surveillance by Acoustical and Vibratory Methods, SFM and Sfa, Senlis, France, 1992.
46. D. Allaei, "Application of Localized Vibration and Smart Materials in Controlling the Dynamic Response of Structures, Part I," Defense Advanced Project Agency, 1992.
47. D. Allaei, "Application of Localized Vibration and Smart Materials in Controlling the Dynamic Response of Structures, Part II," Defense Advanced Project Agency, 1992.
48. M. Labadi and D. Allaei, "Loci Veering and Mode Localization in Elastic Linkages and Frames," Southeastern Conference on Theoretical and Applied Mechanics (SECTAM XVI), The University of Tennessee Space Institute, Nashville, Tennessee, 1992.
49. M. Labadi and D. Allaei, "Free and Forced Vibration of the Human Body," SECTAM XVI, Nashville, Tennessee, 1992.
50. D. Allaei, "Mode Localization Due to Tire Non-uniformities," 11th Annual Meeting and Conference on Tire Science and Technology, Akron, Ohio, 1992.
51. D. Allaei, "An Advanced Approach For Vibration Analysis of Nonuniform Tires," 11th Annual Meeting and Conference on Tire Science and Technology, Akron, Ohio, 1992.
52. D. Allaei, "Application of Localized Modes in Vibration Control," 2nd International Congress on Recent Development on Air and Structure Borne Sound and Vibration, 1992.
53. D. Allaei, "An Efficient Methodology for Vibration Analysis of Complex Structures," First International Conference on Computer Applications in Science, Technology, and Medicine in Isfahan, 1991.
54. T.S. Shih & D. Allaei, "On The Free Vibration Characteristics of Annular Plates With Ring-Type Elastic Attachments," Journal of Sound and Vibration. Vol. 140 (2) pages 22-57, 1990.
55. D. Allaei, W. Soedel & T.Y. Yang, "Mathematical Models of Stiffness Non-uniformity and Run-Out Effects as Measured on a Low Speed Non-uniformity Machine," Journal of Tire Science and Technology, vol. 17, No. 3, pp 158-174, 1989.
56. D. Allaei, W. Soedel, & T.Y. Yang, "Vibration Analysis of Non-Axisymmetric Tires," Journal of Sound and Vibration, Vol. 122, No. 1, pp 11-29, 1988.
57. D. Allaei & T.S. Shih, "Vibration Analysis of Annular Plates Carrying Cocenter Circular Dynamic Elements," Applied Mechanics and Engineering Science Conference, full presentation and published abstract, 1988.
58. D. Allaei, W. Soedel & T.Y. Yang, "Vibration Characteristics of Rings on Nonuniform Elastic Support," Abstract in 7th ASCE-EMD Specialty Conference, 1988.
59. D. Allaei & C.M. Krousgrill, "Stability Analysis of Pipes Conveying Fluid Utilizing the Weighted Residual Method," presentation at SECTAM XIV and publication in Developments in Theoretical and Applied Mechanics, Vol. 14, pp 353-361, 1988.
60. D. Allaei, W. Soedel & T.Y. Yang, "The Problem of Non-uniformities of Tires," presented at the 7th Annual Meeting and Conference on Tire Science and Technology, 1988.
61. D. Allaei, W. Soedel, & H.T.Y. Yang, "Free Vibration of Rolling Structures Carrying Local Non-uniformities by the Receptance Method," Twentieth Midwestern Mechanics Conference, presentation and proceeding publication, pp. 1347-1353, 1987.
62. D. Allaei, "Vibration Analysis of Annular & Circular Plates Using Axisymmetric Finite Element," Twentieth Midwestern Mechanics Conference, presentation and proceeding publication pp 330-336, 1987.
63. D. Allaei, W. Soedel & T.Y. Yang, "Eigenvalues of Rings With Radial Spring Attachments," Journal of Sound and Vibration, Vol. 121, No. 3, pp. 547-561, 1987.
64. D. Allaei, W. Soedel, & H.T.Y. Yang, "Natural Frequencies and Modes of Rings that Deviate From Perfect Axisymmetry," Journal of Sound and Vibration, Vol. 111, No. 1, pp 9-27, 1986.
65. D. Allaei, "Vibration Analysis of Shells of Revolution Deviating From Axisymmetry With Application to Tires," Ph.D. dissertation, also documented as a report in Ray W. Herrick Laboratories, Purdue University, No. 0810-4, HL 86-32p, 1986.
66. D. Allaei, W. Soedel, "Documentation of Software Used to Study Vibration of Nonuniform Tires," Report No. 0810-3 HL 86-31p, Ray W. Herrick Laboratories, Purdue University, 1986.
67. D. Allaei, W. Soedel, & H.T.Y. Yang, "Dynamics of Tires that Deviate From Axisymmetry," Report No. 0387-7 HL 84-32p, 42 pages, Ray W. Herrick Laboratories, Purdue Univ., 1984.
68. D. Allaei & C.M. Krousgrill, "Finite Element Analysis of Flow Induced Oscillations of Tubes Conveying Fluids," presentation at 21st Annual Meeting of the Society of Engineering Science and published in the Official Proceedings of the Meeting, 1984.