1. “A Study of Dynamic Fracture Behavior Associated with High Velocity Crack Propagation”

Sponsor: National Science Foundation, June 1982 to Nov. 1984, $101,520, Principal Investigator.

2. “Photoelastic Investigation of Dynamic Load Transfer in a Discontinuous Media”

Sponsor: National Science Foundation, Feb. 1984 to July 1986, $93,536, Principal Investigator.

3. “An Experimental Study of Dynamic Fracture”

Sponsor: National Science Foundation, Feb. 1985 to July 1987, $91,560, Principal Investigator.

4. “Photoelastic and Numerical Investigation of Wave Propagation in Granular, Layered and Porous Media”, with M.H. Sadd.

Sponsor: Army Research Office, July 1986 to June 1989, $308,000, Co-Principal Investigator.

5. “Experimental Investigation of Dynamic Fracture in Opaque Materials”

Sponsor: National Science Foundation, Jan 1988 to Jan 1991, $59,211, Principal Investigator.

6. “Wave Propagation and Dynamic Load Transfer in Heterogenous Granular Media With Micro structure”, with M.H. Sadd.

Sponsor: Air Force Office of Scientific Research, $289,559, July 1989 to July 1992, Principal Investigator.

7. “Study of Dynamic Fracture of Composite Materials”, with B.D. Agarwal (Collaborative Project with India).

Sponsor: National Science Foundation, $150,000 Aug. 1990 to July 1993, Principal Investigator.

8. “Dynamic Characterization of Advanced Polymers Using Fiber Optics”, with S. Letcher,

Sponsor: National Science Foundation, $141,370, August 1991 to December 1993, Principal Investigator.

9. “Impact Behavior of Composite Materials”

Sponsor: U.S. Navy, $2,000, 1992, Principal Investigator.

10. “Fabrication and Use of Etched Fiber Sensor for Static and Dynamic Material Characterization”

Sponsor: National Science Foundation REU, $5000, 1993, Principal Investigator.

11. “Studies of the Effect of Micro structure on the Dynamic Behavior of Granular and Particulate Materials”, with M.H. Sadd.

Sponsor: Air Force Office of Scientific Research, $227,975, March 1993 to July 1996, Principal Investigator.

12. “Role of Damage and Damage Growth on Dynamic Load Transfer in Particulate Materials”, with M.H. Sadd.

Sponsor: Air Force Office of Scientific Research, $110,000, July 1993 to June 1996, Principal Investigator.

13. “Symposium on Dynamic Failure Mechanics of Modern Materials”, with A.J. Rosakis.

Sponsor: National Science Foundation, $16,000, April 1993 to March 1994, Co-Principal Investigator.

14. “Dynamic Characterization of Rubberized Materials”

Sponsor: Stanley Bostitch Company, $7,500, 1994, Principal Investigator.

15. “Split Hopkinson Bar Testing of Elastomers”

Sponsor: US Navy, $4000, 1994, Principal Investigator.

16. “Dynamic Properties of Elastomeric Materials”

Sponsor: Stanley Bostitch Company, $5000, 1995, Principal Investigator.

17. “Fatigue Strength of Deteriorated and Previously Stressed Highway Bridges”, with G. Tsiastas and E. McEwen.

Sponsor: Rhode Island Department of Transportation, $51,491, June 1995 to July 1995, Co-Principal Investigator.

18. “ High Temperature Dynamic Performance of Polyurethanes”

Sponsor: Stanley Bostitch Company, $7,500, 1996, Principal Investigator.

19. “Investigation of Dynamic Decohesion in Polymer/Metal and Polymer /Ceramic Bimaterial Interfaces”, with A.J. Rosakis from California Institute of Technology.

Sponsor: National Science Foundation, $339,000 ($168,200, URI Share), August 1995 to August 1999, Principal Investigator.

20. “Evaluation of Fatigue Cracking and Permanent Deformation Characteristics of Asphalt”, with K. Wayne Lee.

Sponsor: Department of Transportation, $74,836, February 1996 to February, 1997, Co-Principal Investigator.

21. “Low-Temperature Cracking Resistance Characteristics of Recycled Asphalt Pavement Binder”, with K. Wayne Lee.

Sponsor: Department of Transportation, $74,600, August 1997 to December 1998, Co-Principal Investigator.

22. “Optimization of the Geometric Shape of the Armor Material to Improve Ballistic Performance”

Sponsor: US Army, Natick MA, $64,256, March 1997 to March 1998, Principal Investigator.

23. “Northeast Graduate Students Symposium on Mechanics.”

Sponsor: Society for Experimental Mechanics, $2,000, 1997.

24. “Evaluation and Characterization of Composite Materials Under Dynamic Loading Conditions”, with B.D. Agarwal.

Sponsor: National Science Foundation, International Program, $35,000, October 1997 to September 2000, Principal Investigator.

25. “Penetrator Resistance and Target Damage Due to multiple Impact Upon Granite and Concrete: Joint Experimental, Numerical and Analytical Effort “, with M.H. Sadd and J. Dvorkin of Stanford University.

Sponsor: Air Force Office of Scientific Research, $375,000 ($212,572 URI Share) November 1997 to November 2000, Principal Investigator.

26 “Acquisition of Ultra High Speed Imaging System and Light Source for Dynamic Mechanics Studies”

Sponsor: National Science Foundation, $476,084 (NSF $322,759, URI $153,325), August 1998 to November 2001, Principal Investigator.

27. “Processing of Novel Particulate Composite Materials Using Cenospheres and Characterization of their Mechanical and Thermal Properties”, with A. Bose.

Sponsor: National Science Foundation, $238,825, October 1999 to September 2002, Principal Investigator.

28. “Improving Armor Ballistic Performance by Geometric Modifications”

Sponsor: US Army, $74,875, October 1999 to October 2000, Principal Investigator.

29. “Processing and Characterization of a Light-Weight Concrete Using Cenospheres”, with A. Bose and W. Lee.

Sponsor: RIDOT, $74,827, October 1999 to October 2000, Principal Investigator.

30. “Fiber Reinforcement of Concrete”, with R. Brown.

Sponsor: URI Transportation Center, $74,652, Dec. 1999 to Dec. 2000, Co-Principal Investigator.

31. “Investigation of Concrete Composite Joint Strength Subjected to Corrosive Environments”, with Richard Brown.

Sponsor: RIDOT, $79,201, Jan. 1, 2000 to Dec. 31, 2002, Co-Principal Investigator.

32. “Using Cenospheres to Develop New Asphalt and Cement Based Concrete Materials”, with A. Bose.

Sponsor: URI Transportation Center, $74,550, (Dec. 1999 to Aug 2001), Principal Investigator.

Sponsor: URI Transportation Center $45,000, (Sept. 2001 to Aug. 2002), Principal Investigator.

33. “The Effect of Microstructure on the Static and Dynamic Behavior of Recycled Asphalt Material”, with M. H. Sadd.

Sponsor: URI Transportation Center, $84,847, (Oct. 2000 to Dec 2001), Co-Principal Investigator.

Sponsor: URI Transportation Center $45,000 (Dec. 2001- Nov. 2002), Co-Principal Investigator.

34. “Durability and Performance of Novel Concrete-Cenosphere Composites in Extreme Environments”, with A. Bose and W. Lee.

Sponsor: RI Department of Transportation, $75,000, May 1, 2001 to December 30, 2002, Principal Investigator.

35. “Fiber Reinforcement of Concrete”, with R. Brown.

Sponsor: URI Transportation Center, $75,000, Jan. 2001 to Dec. 2002, Co-Principal Investigator.

36. “Ballistic Performance of Boron Carbide and Silicon Carbide Tiles”

Sponsor: US Army, $30,000, June 2001 to May 2002, Principal Investigator.

37. “A Broad Based Enhancement of the Mechanical Engineering Undergraduate Laboratory”, with M. H. Sadd, R. Lessmann and D. Chelidze.

Sponsor: Champlin Foundations, $125,562, Jan. 2002 to Jan. 2003 Principal Investigator.

38. “Dynamic Strength Characterization of High Performance Concrete”, with V. Parameswaran.

Sponsor: RI DOT, $29,769, January 2001 to December 2002, Principal Investigator.

39. “ Remote Bridge Monitoring – A Survey”, with V. Parameswaran.

Sponsor: RI DOT, $44,969, April 2002 to March 2003, Co-Principal Investigator.

40. “3-D Orthogonal Woven Composites in Armor Systems”

Sponsor: 3TEX Engineered Fiber Products, $92,061, March 2002 to July 2004, Principal Investigator.

41. “Mechanical Behavior of Recycled Asphalt Material Under Dynamic Loading Conditions”, with M. H. Sadd.

Sponsor: URI Transportation Center, $81,380, Dec. 2002 to July. 2004, Co-Principal Investigator.

42. “Evaluation of Aggregate Gradation and Master Ranges on Performance of Asphalt Mixtures”, with K. Wayne Lee.

Sponsor: RIDOT, $79,936, August 2002 – July 2004, Co-Principal Investigator.

43. “Experimental and Analytical Evaluation of Dynamic Fracture in Graded Multifunctional Materials”

Sponsor: National Science Foundation, $225,432 June 03 to May 06, Principal Investigator.

44. “Experimental Evaluation of Novel Composites for Use in Transport of Explosive Materials”, with Carl-Ernst Rousseau.

Sponsor: URI Transportation Center and 3 TEX Corporation, $160,033 July 2003 to December 2004, Co-Principal Investigator.

45. “Fiber Reinforced Lightweight Shotcrete for Patching and Retrofitting of Concrete Structures”, with Richard Brown.

Sponsor: Federal Highway Administration through RIDOT, $120,001 September 2003 to August 2005, Principal Investigator.

46. “Effect of Blast Loading on the Mechanical Properties and Failure of Marine Composite Materials”

Sponsor: Office of Naval Research, $170,000, March 2004 to February 2007, Principal Investigator.

47. “Comparative Performance of Explosion Shielding Materials Used in transportation”, with Carl-Ernst Rousseau.

Sponsor: URI Transportation Center and 3 TEX Corporation, $166,000 Jan 2005 to December 2005, Co-Principal Investigator.

48. “US-India Co-operative Research: Development and Characterization of Polymer Particulate Nanocomposites, with V. Parameswaran and N. Kishore, IIT Kanpur.

Sponsor: National Science Foundation, $30,700, Dec. 2004- July. 2008, Principal Investigator.

49. “Determination of Interfacial Bond Behavior of Composite Concrete-Asphalt Pavement Systems”, with Martin Sadd.

Sponsor: Federal Highway Administration through RIDOT, $75,001, June 2005 to May 2006, Co-Principal Investigator.

50. “Effect of Shock loading on Sandwich Composites”

Sponsor: Office of Naval Research, $9,000, May 2005 to April 2006, Principal Investigator.

51. “Air Blast and Ballistic Impact Damage Evaluation of Marine Composite Structures”, with Material Science Corporation.

Sponsor: US Navy, SBIR Phase II, URI share $75,000, December 2005 to July. 2007.

52. “Dynamic Failure of Integrated Durable Hot Structure for Space Access Vehicles”

Sponsor: Air Force Office of Scientific Research, $252,465, Principal Investigator, Jan. 2006 to August 2009.

53. Dynamic Response of sandwich Composites to Blast Loading”

Sponsor: Office of Naval Research, $9,000, July, 2005 to June 2006, Principal Investigator.

54. “Acquisition of a Transmission Electron Microscope for Nano/Biomaterial Research and Education” with A. Bose, C. Rousseau, G. Bothun and J. Rines.

Sponsor: National Science Foundation, $636,979, August 2006 to July 2007, Co-Principal Investigator.

55. “Performance of Marine Composites and Sandwich Structures Under Blast Loading Conditions”

Sponsor: Office of Naval Research, $270,316, March 2007 to February 2010, Principal Investigator.

56. “ Center of Excellence for Explosives Detection, Mitigation, and Response”, with J. Oxley and several other C0-PI’s. In Partnership with Northeastern University.

Sponsor: Department of Homeland Security, 12,000,000, 2008-2012, Serving as Technical Lead for the Mitigation Effort .

57. “An Ultra High speed Digital Image Correlation System For Dynamic Strain and Displacement Measurements” DURIP.

Sponsor: Office of Naval Research, $250,150, Principal Investigator.

58. “Electrical Response of Conductive Polymer Grafted Nanotube Reinforced Copolymers under Quasistatic and Dynamic Loading”, with S. Yang and V. Chalivendra.

Sponsor: National Science Foundation, Principal Investigator, $360,743 (URI share $223,000), 06-01-2009 to 05-30-2012.

59. “Response of Pre-loaded Sandwich Structures to Blast Loadings”

Sponsor: Office of Naval Research, $15,000, Principal Investigator, September 2009- August 2010.

60. “Shock Response and Dynamic Failure of Spatially Tailored Aero-Thermal Structures”

Sponsor: Air Force Office of Scientific Research, $323,042, Principal Investigator, September 2009-December 2013.

61. “Dynamic Failure of Cast Iron”

Sponsor: Lawrence Livermore National Lab, $115,000, Principal Investigator, February 2010-February 2011.

62. “IMPLAST 2010 Conference”

Sponsor: ONR, $10,000, Sept. 2010-August 2011.

63. “Research Experiences for Undergraduates”

Sponsor: NSF, $12,000, March 2010-December 2010.

64. “The Blast Performance of Marine Composite and Sandwich Structures Under Extreme Environments”

Sponsor: Office of Naval Research, $302,081, August 2010-July 2013, Principal Investigator.

65. “Advanced Composite Materials for Blast and Fire Resistance”

Sponsor: Department of Homeland Security, $119,319, July 2010 – June 2012, Principal Investigator.

66. “Experimental and Numerical Investigation on Fundamental Understanding of Implosion”

Sponsor: Office of Naval Research, $303,116 May 2012-April 2015, Principal Investigator.

67. “Graphene-Polymer Composite Materials”, with A. Bose, R. Hurt and A. Tripathi

Sponsor: STAC, $200,000, July 2012-September 2013. Co-PI.

68. “A Pressure Vessel with Ultra High Speed Imaging Capability for Conducting Underwater Explosion and Implosion Experiments”

Sponsor: ONR DURIP, $221,983, 2011, June 2012-June 2013.

69. “Advanced Composite Materials for Blast and Fire Resistance”,

Sponsor: UCONN, $120,000, July 2012 – December 2013. Principal Investigator.

70. “Deformation and Damage Mechanisms in Ternary Carbides and Nitrides under Dynamic Conditions”, with Texas A&M;

Sponsor: NSF, $ 300,000 (URI share $150,099), Sept. 15, 2012 to Aug. 31, 2015.

71. “Research Experiences for Undergraduates”

Sponsor: NSF, $12,000, September 2012-September 2013.

72. “Response of Aerospace Materials to Shock Loadings and Extreme Environments”

Sponsor: AFOSR, $332,155, 3-1-13 to 5-31-16. Principal Investigator.

73.   “Experimental Investigation of Free Field and Shock Initiated Implosion of Composite Structures”

Sponsor: Office of Naval Research, $304,339 Dec. 2013-Nov. 2016, Principal Investigator.

74.   “Near Field Blast Response of Composite Plates”

Sponsor: Naval Undersea Warfare Center, $20,000, June 2014-September 2014.

75.   “Development of an Ultra-High Speed Infrared Imaging System to Image Dynamic   Deformation and Fracture in Materials”, with P. Guduru, Brown University

Sponsor: STAC RI, $75,000 (URI-25K), Sept. 2014-Aug. 2015.

76.   Response of Composite Materials Subjected to Aggressive Marine Environments: An Experimental and Computational Study”

Sponsor: NAVSEA, $125,000 Oct. 2014 to Sept. 2015.

77.   “Novel Experiments for Understanding Underwater Implosion and Its Mitigation”

Sponsor: ONR,  $100,000, June 2015-June 2016.

78.   “Near Field Blast Response of Structures”

Sponsor: NUWC, $20,000, June 2015-December 2015.

79.   “Shock Response of Composite Materials Subjected to Aggressive Marine Environments: An Experimental and Computational Study”

Sponsor: Naval Engineering Education Center, (NAVSEA), $333,000 Jan. 2016 to Dec. 2019.