
Ramamurthy Prabhakaran
PROFESSOR
Mechanical & Aerospace Engineering
Contact Information
Education/Credentials
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Articles
- Prabhakaran, R. (2011). Lightning Strikes on Metal and Composite Aircraft and Their Mitigation. Journal of Aerospace Sciences and Technologies, 63 (3), pp. 208-222.
- Prabhakaran, R., Yoon, J., Abdel-Wahab, H., and Chaturvedi, S. K. (2011). Engineering Laboratory Instruction in Virtual Environment, eLIVE. Advances in Engineering Education pp. 1-24.
- Prabhakaran, R., Saha, M., and Galloway, T. (2005). Measurement of In-Plane Elastic Moduli of Composites with A circular Disk Specimen and Piezoelectric Sensors. Polymer Composites, 26 (4), pp. 542-551.
- Prabhakaran, R., and Galloway, T. (2005). Strain Measurement in a Shape Memory Alloy with Strain Gages. Strain, 41, pp. 177-184.
- Saha, M., Prabhakaran, R., and Waters, W. A. (2004). Compressive Behavior of Pultruded composite Plates with Circular Holes. Composite Structures, 65, pp. 29-36.
- Prabhakaran, R., and Xu, H. (2001). Determination of Elastic Constants of Composites with a Circular Disk Specimen. Advanced Composites Letters, 10 (3), pp. 127-133.
- Prabhakaran, R., and Xu, H. (2001). Hole-Size effects in Pultruded Composites. Mechanics of Composite Materials, 37 (1), pp. 79-84.
- Saha, M., Prabhakaran, R., and Waters, W. A. (2000). Compressive Properties of Pultruded composites. Mechanics of Composite Materials, 36 (6), pp. 781-790.
- Prabhakaran, R. (2000). Discussion of Novel Procedure for Complete In-Plane Composite Characterization Using a Single T-Shaped Specimen. Experimental Mechanics, 40 (1), pp. 96-97.
- Scott, L. A., Prabhakaran, R., Bryant, R. G., and Buchman, A. (1997). Low-Velocity Wear Resistance of LaRC-SI and Blends Against Titanium. Polymeric Materials Science and Engineering, 77, pp. 481-484.
- Prabhakaran, R., and Piascik, R. S. (1997). A Blunt Notch Extended Compact Tension (BN-ECT) Specimen for the Study of Short and Long Crack Propagation. Experimental Techniques, 21 (2), pp. 24-26.
- Prabhakaran, R., Razzaq, Z., and Devara, S. (1996). Load and Resistance Factor Design (LRFD) Approach for Bolted Joints in Pultruded Composites. Composites: Part B, 27B, pp. 351-360.
- Razzaq, Z., Prabhakaran, R., and Sirjani, M. M. (1996). Load and Resistance Factor Design (LRFD) Approach for Reinforced-Plastic Channel Beam Buckling. Composites: Part B, 27B, pp. 361-369.
- Prabhakaran, R. (1992). Experimental Mechanics Investigations of Composites, Part I: Mechanical and Photo-Mechanical Studies. Materials Engineering, 3 (2), pp. 261-269.
- Prabhakaran, R. (1992). Experimental Mechanics Investigations of Composites, Part II: Development of Novel Test Methods. Materials Engineering, 3 (2), pp. 271-277.
- Prabhakaran, R., and Ramasamy, M. (1992). Shape Optimization for a Composite Crack-length Sensor. Experimental Techniques, 16 (5), pp. 36-38.
- Lopez, O. F., and Prabhakaran, R. (1991). Application of Strain Gages to Measure the Adhesive Strains Through the Thickness of An Adhesively Bonded Stiffened Strip. Experimental Techniques, 15, pp. 39-41.
- Prabhakaran, R., and Lopez, O. F. (1990). Application of Carbon-powder-polymer Composite as a Continuous Crack-length Sensor. Experimental Mechanics, 30, pp. 332-335.
- Prabhakaran, R. (1990). Damage Assessment Through Electrical Resistance Measurement in Graphite Fiber Reinforced Composites. Experimental Techniques, 14, pp. 16-20.
- Prabhakaran, R., and Naik, R. A. (1989). A Fiber-optic Technique to Assess the Influence of Interfacial Friction in a Pin-loaded Hole. Transactions of the Instrument Society of America, 28 (2), pp. 35-39.
- Prasad, C. B., Prabhakaran, R., and Tompkins, S. (1987). Determination of Calibration Constants for the Hole-drilling Residual Stress Measurement Technique Applied to Orthotropic Composites Ñ Part I: Theoretical Considerations. Composite Structures, 8, pp. 105-118.
- Prasad, C. B., Prabhakaran, R., and Tompkins, S. (1987). Determination of Calibration Constants for the Hole-drilling Residual Stress Measurement Technique Applied to Orthotropic Composites Ñ Part II: Experimental Evaluations. Composite Structures, 8, pp. 165-172.
- Naik, R. A., and Prabhakaran, R. (1987). Failure Modes for Polycarbonate Under Clearance-fit Pin-loading. Polymer Engineering and Science, 27 (22), pp. 1681-1687.
- Prabhakaran, R., and Naik, R. A. (1987). A Fiber-optic Technique for the Measurement of Contact Angle in a Clearance-fit Pin-loaded Hole. Experimental Techniques, 11, pp. 20-22.
- Spigel, B. S., Prabhakaran, R., and Sawyer, J. W. (1987). An Investigation of the Iosipescu and Asymmetrical Four-Point Bend Tests. Experimental Mechanics, 27, pp. 57-63.
- Prabhakaran, R., and Sawyer, J. W. (1986). A Photoelastic Investigation of Asymmetric Four Point Bend Shear Test for Composite Materials. Composite Structures, 5, pp. 217-231.
- Prabhakaran, R., and Naik, R. A. (1986). Investigation of Non-linear Contact for a Clearance-fit Bolt in a Graphite/Epoxy Laminate. International Journal of Composite Structures, 6 (1-3), pp. 77-85.
- Prabhakaran, R., and Naik, R. A. (1986). Measurement of Contact Angle in a Clearance-fit Pin-loaded Hole. Experimental Techniques, 10 (2), pp. 25-27.
- Prabhakaran, R. (1985). Shear Testing of Composites. Mechanika Teoretyczna I Stosowana (Theoretical and Applied Mechanics Journal published by the Polish Academy of Sciences), 23, pp. 607-615.
- Prabhakaran, R. (1984). State of the Art in Composite Materials Testing. Current Engineering Practice, 27 (4), pp. 1-10.
- Prabhakaran, R., and Chermahini, R. G. (1984). Application Least-squares Method to Elastic and Photoelastic Calibration of Orthotropic Composites. Experimental Mechanics, 24, pp. 17-21.
- Prabhakaran, R. (1982). Discussion on The Relationship Between Tensile Strength and Flexure Strength in Fiber-Reinforced Composites. Experimental Mechanics, 22, pp. 38-39.
- Prabhakaran, R. (1982). Extension of Hole-drilling Method to Birefringent Composites. Polymer Composites, 3, pp. 40-43.
- Prabhakaran, R. (1982). Extension of Oblique Incidence Method to Photo-orthotropic-elasticity. Experimental Mechanics, 22, pp. 462-467.
- Prabhakaran, R. (1982). Photo-orthotropic-elasticity: A New Technique for Stress Analysis of Composites. Optical Engineering, 21, pp. 679-688.
- Prabhakaran, R. (1982). Photoelastic Investigation of Bolted Joints in Composites. Composites pp. 253-256.
- Chandra, R., Mallik, A. K., and Prabhakaran, R. (1982). Damping as Measure of Damage in Composites. Journal of the Technical Councils of ASCE, 108 (TC1), pp. 106-111.
- Prabhakaran, R. (1981). On the Characteristic Dimension of Two-parameter Fracture Models. International Journal of Fracture, 17, pp. R177-R180.
- Prabhakaran, R., and Nair, E. (1981). Selection of Matrix Materials for Composites Based on Notch Sensitivity. Transactions of the Canadian Society for Mechanical Engineering, 6, pp. 54-56.
- Prabhakaran, R. (1981). Comment on Strength Prediction of Composite Laminates with Unloaded Fastener Holes. AIAA Journal pp. p. 1375.
- Prabhakaran, R. (1980). Model Materials for Photo-orthotropic-elasticity. Fibre Science and Technology, 13 (1), pp. 1-11.
- Prabhakaran, R. (1980). Photoelastic Calibration of Orthotropic Model Materials. Optica Acta, 27 (4), pp. 429-433.
- Prabhakaran, R. (1980). Separation of Principal Stresses in Photo-orthotropic-elasticity. Fibre Science and Technology, 13 (4), pp. 245-253.
- Prabhakaran, R. (1980). Fabrication of Birefringent Anisotropic Model Materials. Experimental Mechanics, 20, pp. 320-321.
- Rajamani, A., and Prabhakaran, R. (1980). Response of Composite Plates to Blast Loading. Experimental Mechanics, 20, pp. 245-250.
- Prabhakaran, R. (1980). Discussion on A Unified Approach to Optical Constitutive Relations. Experimental Mechanics, 20, pp. 178-180.
- Rowlands, R. E., Dudderar, T. D., Prabhakaran, R., and Daniel, I. M. (1980). Holographically Determined Isopachics and Isochromatics in the Neighborhood of a Crack in a Glass Composite. Experimental Mechanics, 20, pp. 53-56.
- Prabhakaran, R. (1979). Application of Brittle Coatings on Orthotropic Materials. Fibre Science and Technology, 12 (1), pp. 11-19.
- Prabhakaran, R. (1979). Tensile Fracture of Composites with Circular Holes. Materials Science and Engineering, 41, pp. 121-125.
- Prabhakaran, R., and Nair, E. (1978). Notch Sensitivity of Polymers. Journal of Applied Polymer Science, 22, pp. 3011-3022.
- Rajamani, A., and Prabhakaran, R. (1977). Dynamic Response of Composite Plates with Cutouts, Part I: Simply Supported Plates. Journal of Sound and Vibration, 54, pp. 549-564.
- Rajamani, A., and Prabhakaran, R. (1977). Dynamic Response of Composite Plates with Cutouts, Part II: Clamped-clamped Plates. Journal of Sound and Vibration, 54, pp. 565-576.
- Chandrasekhara, K., Jacob, K. A., and Prabhakaran, R. (1977). Towards Stress-freezing in Orthotropic Model Materials. Experimental Mechanics, 17, pp. 317-320.
- Prabhakaran, R. (1976). On the Application of Brittle Coatings to Graphite Fibre Reinforced Plastics. AIAA Journal, 17 (1), pp. 110-112.
- Prabhakaran, R. (1976). Stress-strain Models for Photo-orthotropic-elasticity. Journal of Aeronautical Society of India, 28, pp. 165-169.
- Prabhakaran, R. (1976). Discussion on the Birefringent Response of a Potential Photoelastic Material with Variable Elastic Properties. Experimental Mechanics, 16, pp. p. 151.
- Prabhakaran, R. (1976). The Measurement of Shear-material-fringe-value in Photo-orthotropic-elasticity. Journal of Aeronautical Society of India, 28, pp. 33-38.
- Prabhakaran, R. (1976). The Interpretation of Isoclinics in Photo-orthotropic-elasticity. Experimental Mechanics, 16, pp. 6-10.
- Prabhakaran, R. (1975). Discussion on Strain-optic Law for a Certain Class of Birefringent Composites. Experimental Mechanics, 15, pp. p. 392.
- Prabhakaran, R. (1975). Discussion on Fiber-reinforced Birefringent Composite Materials. Experimental Mechanics, 15, pp. p. 240.
- Prabhakaran, R. (1975). Strain-optic Law for Orthotropic Model Materials. AIAA Journal pp. 723-728.
- Prabhakaran, R. (1975). On the Stress-optic Law for Orthotropic Model Materials in Biaxial Stress Fields. Experimental Mechanics, 15, pp. 29-34.
- Rowlands, R. E., Daniel, I. M., and Prabhakaran, R. (1974). Wave Motion in Anisotropic Media by Dynamic Photomechanics. Experimental Mechanics, 14, pp. 433-439.
- Prabhakaran, R. (1974). Glass Fibre Reinforced Plastics as Model Materials for Photoelasticity. Reinforced Plastics pp. 31-33.
- Prabhakaran, R. (1973). Photoelastic Analysis of an Orthotropic Ring Under Diametral Compression. AIAA Journal pp. 777-778.
- Prabhakaran, R., and Dally, J. W. (1972). Application of Photo-orthotropic-elasticity. Journal of Strain Analysis, 7, pp. 253-260.
- Dally, J. W., and Prabhakaran, R. (1971). Photo-Orthotropic-Elasticity, Part I. Experimental Mechanics, 11, pp. 346-352.
- Dally, J. W., and Prabhakaran, R. (1971). Photo-Orthotropic-Elasticity, Part II. Experimental Mechanics, 11, pp. 353-356.
- Dally, J. W., and Prabhakaran, R. (1971). A Class of Zero-Birefringent Polymers. Experimental Mechanics, 11, pp. 26-31.
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Book Chapters
- Razzaq, Z., Dabbagh, M., Sirjani, M. B., and Prabhakaran, R. (2008). Concrete Slabs Reinforced with FRP or Steel Reinforcements. (pp. 11 pages). Journal of Reinforced Plastics and Composites, Paper JRP 089487.
- Razzaq, Z., Sirjani, M. B., and Prabhakaran, R. (2008). LRFD Approach for FRP Channel Section Columns. (pp. 7 pages). Journal of Reinforced Plastics and composites, Paper JRP 089488.
- Razzaq, Z., Coskun, H., Li, X., Beach, R., and Prabhakaran, R. (2008). LRFD Approach fro FRP-Reinforced Thermoplastic Beams. (pp. 11 pages). Journal of Reinforced Plastics and Composites, Paper JRP 093495.
- Prabhakaran, R., Saha, M., Douglas, M., and Nettles, A. T. (2002). Damage Resistance and Damage Tolerance of Pultruded Composite Sheet Materials. (pp. 139-155). Composite Materials: Testing, Design, and Acceptance Criteria, ASTM STP 1416.
- Prabhakaran, R. (1981). Applications of Transmission Photoelasticity to Composite Materials.. Chapter 3 in Developments in Composite Materials, Applied Science Publishers.
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Conference Proceeding
- Dally, J. W., and Prabhakaran, R. A Photoelastic Study of Stress Waves in Fiber-reinforced Composites. (pp. 937-949). Developments in Mechanics, Proceedings of the 12th Midwestern Mechanics Conference.
- Prabhakaran, R., Srinivas, R., and Razzaq, Z. An Experimental Investigation of Bolt-Preload Relaxation in Pultruded Composite Joints. (pp. 14E1-14E13). Proceedings of the Composite Institute’s International Composites EXPO ’97, Society for the Plastics Industry.
- Prabhakaran, R., Razzaq, Z., and Devara, S. Block Shear Failure Modes in Pultruded Composite Plate Connections. (pp. 10F1-10F7). Proceedings of the Composite Institutes' 50th Annual Conference, Society for the Plastic Industry.
- Dally, J. W., and Prabhakaran, R. Effect of Notches on the Fatigue Behavior of Continuously Reinforced Composite Materials. In A.C. Eringen (Ed.) (pp. 189-201). Recent Advances in Mechanical Engineering.
- Razzaq, Z., Prabhakaran, R., Qureshi, P., Sirjani, M., and Petty, M. D. Impact Load Response of Pultruded Fiberglass Grating. (pp. 24C1-24C6). Proceedings of the Composite Institute's 51st Annual Conference, Society for the Plastics Industry.
- Prabhakaran, R., Devara, S., and Razzaq, Z. (2016). The Effect of Fiber Orientation Angle of the Unnotched, Open Hole, and Pin-Loaded Strength of a Pultruded Composite. (pp. 20C1-20C15). Proceedings of the Composite Institute's 51st Annual Conference, Society for the Plastics Industry. doi:10.1177/0021998315625101
- Prabhakaran, R. (2008). Workshop on Composite Materials for College Faculty.. TRICHY: presented at the National Institute of Technology, sponsored by the World Bank.
- Prabhakaran, R. (2008). Workshop on Composite Materials for Graduate Students.. TRICHY: presented at the National Institute of Technology, sponsored by the World Bank.
- Saha, M., and Prabhakaran, R. (2002). Effect of Circular Hole on Compressive Behavior of Pultruded Composites.. Orlando, Florida: 21st Southeastern Conference on Theoretical and Applied Mechanics.
- Saha, M., and Prabhakaran, R. (2002). Effect of Circular Hole on Compressive Behavior of Pultruded Composites.. Orlando, Florida: 21st Southeastern Conference on Theoretical and Applied Mechanics.
- Prabhakaran, R. (2001). Experimental Techniques for Determining In-Plane Elastic Constants of Orthotropic Composites. (pp. 1-9). Hamirpur: Proceedings of the 46th Congress of the Indian Society for Theoretical and applied Mechanics.
- Prabhakaran, R. (2001). Recent Research in the Mechanical Behavior of Pultruded Composite Materials.. Hamirpur: Professor Karunesh Memorial Lecture, 46th Congress of the Indian Society for Theoretical and Applied Mechanics.
- Prabhakaran, R., Saha, M., Douglas, M., and Nettles, A. T. (2001). Damage Resistance and Damage Tolerance of Pultruded Composite sheet Materials.. Phoenix, Arizona: ASTM Symposium on Composite Materials: Testing, design, and Acceptance Criteria.
- Saha, M., Prabhakaran, R., and Waters, W. A. (2000). Compressive Properties of Pultruded Composites.. Riga: Eleventh International Conference on Mechanics of Composite Materials.
- Prabhakaran, R., and Xu, H. (2000). Hole-Size Effects in Pultruded Composites.. Riga: Eleventh International Conference on Mechanics of Composite Materials.
- Razzaq, Z., Prabhakaran, R., and Sirjani, M. M. (1999). Flexural-Torsional Behavior of RP Channel Section Beams. (pp. 4A1-4A7). Proceedings of the Composite Institutes' 50th Annual Conference, Society for the Plastic Industry.
- Sirjani, M. B., Razzaq, Z., and Prabhakaran, R. (1999). Lateral-Torsion response of FRP Beams under Three-Point Loading and LRFD Approach.. International Composites EXPO ’99.
- Prabhakaran, R., and Saha, M. (1999). Tension, Compression and Flexure Properties of Pultruded Composites.. Paris: 12th International Conference on Composite Materials.
- Prabhakaran, R., Saha, M., and Galloway, T. (1999). Ultrasonic Measurement of In-Plane Moduli of Pultruded composites.. Paris: 12th International Conference on Composite Materials.
- Saha, M., Prabhakaran, R., and Waters, W. A. (1999). Modeling of Pultruded Composite Sheet Materials and Their Response Under Compressive Loading.. VPI, Blacksburg: the1999 ASME Mechanical and Materials Conference.
- Prabhakaran, R., and Robertson, J. (1998). An Experimental Investigation of Load-Sharing in a Multi-Bolt Pultruded Composite Joint. (pp. 355-368). Proceedings of the Second International Conference on Composites in Infrastructure (ICCI `98).
- Razzaq, Z., Coskun, H., Li, X., Beach, R., and Prabhakaran, R. (1998). Flexural Behavior and LRFD Approach for FRP-Reinforced Thermoplastic Beams. (pp. 18-E/1 to 18-E/12). Nashville: Proceedings of the International Composites EXPO `98.
- Razzaq, Z., Sirjani, M. M., and Prabhakaran, R. (1998). LRFD Approach for Channel Section FRP Columns. (pp. 18-B/1 to 18-B/9). Nashville: Proceedings of the International Composites EXPO '98.
- Prabhakaran, R., and Saha, M. (1998). Stress Gradient Effects on Pultruded Composite Strength.. Las Vegas: Fifth International Conference on Composites Engineering (ICCE-V).
- Prabhakaran, R., Devara, S., and Razzaq, Z. (1997). An Investigation of the Influence of Tightening Torque and Sea Water on Bolted Pultruded Composite Joints. (pp. 14D1- 14D14). Proceedings of the Composite Institute’s International Composites EXPO ’97, Society for the Plastics Industry.
- Scott, L. A., Prabhakaran, R., and Bryant, R. G. (1997). Wear Results of an Advanced Polymeric Material for Use in Total Knee Replacements.. Virginia Academy of Science Meeting at VPI.
- Razzaq, Z., Adnan, M., Dabbagh, E., Sirjani, M. M., and Prabhakaran, R. (1997). Yield Line Study of Concrete Slabs with FRP Rebars. (pp. 6C1-6C13). Proceedings of the Composite Institute’s International Composites EXPO ’97, Society for the Plastics Industry.
- Scott, L. A., Prabhakaran, R., Bryant, R. G., and Buchman, A. (1997). Low-Velocity Wear Resistance of LaRC-SI and Blends Against Metals.. Las Vegas: PMSE/POLY Joint Poster Session of the American Chemical Society.
- Coats, T., Harris, C. E., and Prabhakaran, R. (1997). Translaminate Fracture of Notched Transparent Continuous Fiber-Reinforced Composites.. Bellevue, Washington: 1997 SEM Spring Conference.
- Prabhakaran, R., and Ramasamy, M. (1992). Novel Sensors for Continuous Crack-length Measurement.. Nashville, TN: Sixteenth Southeastern Conference on Theoretical and Applied Mechanics.
- Prabhakaran, R. (1991). Experimental Mechanics Investigations of Composites: Developments of Novel Test Methods.. Trieste: Workshop on Composite Materials, United Nations Industrial Development Organization.
- Prabhakaran, R. (1991). Experimental Mechanics Investigations of Composites: Mechanical and Photo-mechanical Studies.. Trieste: Introductory Workshop on Composite Materials, United Nations Industrial Development Organization.
- Prabhakaran, R., and Lopez, O. F. (1990). Continuous Crack Length Measurement with a Carbon Powder Polymer Composite. (pp. 187-192). Albuquerque NM: Proceedings of the Spring Conference on Experimental Mechanics, Society for Experimental Mechanics.
- Prabhakaran, R. (1990). A New Nondestructive Method to Detect Fiber Damage in Carbon Fiber Reinforced Polymer Composites. (pp. 1-4). Proceedings of the 45th Annual Conference, Composites Institute, The Society of the Plastics Industry, Session 15-C,.
- Prabhakaran, R. (1989). A Method for Assessing Damage in Graphite Fiber Reinforced Composites. (pp. 982-987). Proceedings of the International Conference on Applied Mechanics.
- Prabhakaran, R., and Naik, R. A. (1987). Application of Optical and Photomechanical Techniques in the Study of Mechanical Joints. (pp. 199-202). San Diego, California: Proceedings of the International conference on Photomechanics and Speckle Metrology.
- Prabhakaran, R., and Naik, R. A. (1986). An Analytical and Experimental Study of Contact, Stresses and Failure in Clearance-fit, Pin-loaded Polycarbonate Specimens.. SEM: Spring Conference on Experimental Mechanics.
- Prabhakaran, R., and Naik, R. A. (1986). A New Method for Measuring Contact Angle in Pin-Loaded Holes Simulating Bolted Joints.. Imperial College of Science and Technology, London: Third International symposium on Joining and Repair of Fibre Reinforced Plastics.
- Prabhakaran, R., and Naik, R. A. (1986). An Analytical and Experimental Investigation of Contact Angle in a Bolted Composite Joint. (pp. 61-70). Aalborg University, Aalborg: Proceedings of the Symposium on Mechanical Characterization of Fibre Composite Materials.
- Prabhakaran, R., and Sawyer, W. (1985). A Photoelastic Investigation of Asymmetric Four-Point Bend Shear Test for Composite Materials.. Third International Conference on Composite Structures.
- Spigel, B. S., Sawyer, W., and Prabhakaran, R. (1985). An Investigation of the Iosipescu and Asymmetrical Four-point Bend Tests for Composite Materials.. SEM, Las Vegas, Nevada: Spring Conference on Experimental Mechanics.
- Prabhakaran, R. (1984). Experimental Mechanics of Fiber Reinforced Composites. (pp. 73-86). Warsaw: Eleventh Symposium on Experimental Research in Mechanics of Solids, Sponsored by the Polish Academy of Sciences.
- Prabhakaran, R. (1983). Simultaneous Elastic and Photoelastic Calibration of Birefringent Orthotropic Model Materials.. Second International Conference on Composite Structures.
- Prabhakaran, R., and Chermahini, R. G. (1982). Application of Least Squares Method to the Measurement of Orthotropic Elastic Constants. (pp. 382-386). Hawaii: Proceedings of the SESA-JSME Joint Conference on Experimental Mechanics.
- Prabhakaran, R., and Chermahini, R. G. (1982). Location of Gages for Determining Orthotropic Elastic Constants. (pp. 81--87). Karlovy Vary: Proceedings of the 20th National Conference on Experimental Stress Analysis.
- Prabhakaran, R. (1982). Measurement of Elastic Constants of Orthotropic Composites.. 37th Annual Technical Conference, Reinforced Plastics/Composites Institute, The Society of the Plastics Industry.
- Prabhakaran, R. (1982). Application of Least Squares Method to Photo-Orthotropic-elastic Calibration.. Haifa: Seventh International Conference on Experimental Stress Analysis.
- Prabhakaran, R. (1982). A Photoelastic Investigation of Bolted Joints in Composites.. Imperial College, London: Symposium on Jointing in Fibre Reinforced Plastics.
- Prabhakaran, R. (1981). Complete Stress Analysis of Composite Photoelastic Models by Oblique Incidence.. Dearborn, Michigan: Spring Meeting of the Society for Experimental Stress Analysis.
- Prabhakaran, R. (1981). Determination of Principal Stresses in Birefringent Composites by Hole-drilling Method. (pp. 1-4). Proceedings of the 36th Annual Technical Conference, Reinforced Plastics/Composites Institute, The Society of the Plastics Industry. Session 10-C.
- Prabhakaran, R. (1981). Effect of Stress Relieving Holes on the Strength of Perspex and Polycarbonate. (pp. 37-39). Boston: Proceedings of the 39th Annual Technical Conference of the Society of Plastics Engineers.
- Prabhakaran, R. (1981). Photoelastic Techniques for the Complete Determination of Stresses in Composite Structures.. International Conference on Composite Structures.
- Prabhakaran, R. (1980). Application of Oblique Incidence Photoelastic Techniques to birefringent Composites. (pp. 121-128). Warsaw: Ninth Symposium on Experimental Research In Mechanics of solids, Sponsored by the Polish Academy of Sciences.
- Prabhakaran, R., and Nair, E. (1979). Effect of Matrix Notch Sensitivity on Composite Notch Sensitivity. (pp. 115-116). Sherbrooke: Proceedings of the Seventh Canadian Congress of Applied Mechanics.
- Prabhakaran, R. (1979). Hole Size Effect in Composites.. Sherbrooke: Proceedings of the 7th Canadian congress of Applied Mechanics.
- Prabhakaran, R. (1979). Developments in Photo-orthotropic-elasticity. (pp. 559-585). Poitiers: IUTAM Symposium on Optical Methods in Solid Mechanics, Proceedings of the Symposium.
- Rajamani, A., and Prabhakaran, R. (1978). Free Vibration Characteristics of Clamped- Clamped Composite Plates with Circular Holes and Square Cutouts.. Toronto: Second International Conference on Composite Materials.
- Rajamani, A., and Prabhakaran, R. (1978). Free Vibration Characteristics of Simply Supported Composite Plates with Circular Holes and Square Cutouts.. Lisbon: 11th Congress of International Council of the Aeronautical Sciences.
- Prabhakaran, R. (1978). Effect of Geometrical Discontinuities on Fatigue and Fracture Behavior of Composite Materials.. Bangalore: Conference on Fatigue and Fracture, Sponsored by the Department of Science and Technology, Government of India.
- Rajamani, A., and Prabhakaran, R. (1977). Dynamic Response of Simply Supported Composite Plates with Cut-outs. (pp. 423-424). Vancouver: Proceedings of the Sixth Canadian Congress of Applied Mechanics.
- Prabhakaran, R., and Nair, E. (1976). Anisotropy of Notch Sensitivity of Composite Materials.. Boston: Second International Conference on Mechanical Behavior of Engineering Materials.
- Prabhakaran, R., and Sridhar, M. K. (1975). Notch Sensitivity of GFRP Materials in the Low-cycle Fatigue Region. (pp. 1-6). Proceedings of the 30th Anniversary Technical Conference, Reinforced Plastics/Composites Institute, The Society of the Plastics Industry, Section 9-D.
- Prabhakaran, R. (1975). Low-cycle Fatigue of Glass Fibre Reinforced Plastics.. BARC, Bombay: Structural Mechanics Symposium.
- Prabhakaran, R. (1975). Stress Concentration Factors in Composite Materials by Transmission Photoelasticity.. BARC, Bombay: Structural Mechanics Symposium.
- Leader in composites Research and prominently featured in the publication, COMPOSITES IN VIRGINIA, prepared for the Commonwealth of Virginia
- 1999: College of Engineering and Technology Research Award
- 1999: University Nominee for the State Council of Higher Education’s Year 2000 Outstanding Faculty Awards Program
- 1998: International Advisory Board, for the Fifth International Conference on Composites Engineering, Las Vegas
- 1996: Fellow of the Society, Society for Experimental Mechanics (SEM)
- 1995: Outstanding Faculty Award, ASME Student Chapter of ODU
- 1994: Technical Editor of Experimental Mechanics Journal, Society for Experimental Mechanics (SEM)
- 1991: Certificate of Recognition and Cash Award for the disclosure of an Inventive Contribution entitled, "Conductive Gauge for Crack-length Measurement,", NASA, Langley Research Center
- 1987: Award for "Shear Testing of Composites"
- 1987: Associate Editor of Experimental Mechanics Journal, Society for Experimental Mechanics (SEM)
- 1986: Best Paper Award for "Measurement of Contact Angle in a Clearance-fit Pin-loaded Hole,", Society for Experimental Mechanics
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Contracts, Grants and Sponsored Research
- Prabhakaran, R. "An Experimental Investigation of Damage Resistance and Damage Tolerance of Composite Materials" $20,000. June 1, 2001 - January 31, 2003
- Prabhakaran, R. "Automated Tow Placement Processing and Characterization of Composites" $35,000. December 18, 2001 - October 31, 2002
- Prabhakaran, R. "Automated Tow Placement Processing and Characterization of Composites" $29,940. July 1, 2001 - January 8, 2002
- Prabhakaran, R. "PAC-3 Mentor-Protégé Composites Testing and Manufacturing Process Improvement" $107,437. August 5, 1999 - December 31, 1999
- Prabhakaran, R. "A Comparison of Quasi-Static Indentation and Drop-Weight Impact Testing on Carbon/Epoxy Laminates" $35,000. December, 1998 - December 15, 1999
- Prabhakaran, R. "PAC-3 Mentor-Protégé Composites Testing and Manufacturing Process Improvement" $50,000. June 1, 1999 - August 4, 1999
- Prabhakaran, R. "PAC-3 Mentor-Protégé Composites Testing and Manufacturing Process Improvement" $251,000. June 15, 1998 - May 1, 1999
- Prabhakaran, R. "Mechanical Characterization of Ceramic-LaRC SI Polymer Composites for Wear-Resistant Applications" $108,294. 1996 - 1998
- Prabhakaran, R. "Failure Characteristics of Honeycomb Sandwich Structures and Aircraft Alloys" $18,000. November, 1997 - November, 1998
- Prabhakaran, R. "Applications of Biaxially Stretched Thermoplastic Polymers" $22,000. August, 1996 - August, 1997
- Prabhakaran, R. "Progressive Damage in Composites" $31,402. November, 1995 - November, 1996
- Prabhakaran, R. "Measurement of Mechanical Properties of Ceramic-Polymer Composites" $15,000. March, 1996 - July, 1996
- Prabhakaran, R. "Virginia Space Grant Consortium Graduate Fellowship for Mark Robeson" $5,000. 1994 - 1995
- Prabhakaran, R. "Experimental Study of Time Dependent Behavior of Composites" $39,995. November, 1994 - November, 1995
- Prabhakaran, R. "Progressive Damage in Composites" $29,963. November, 1994 - November, 1995
- Prabhakaran, R. "Characterization of the Behavior of Composite Shell Structures under Combined Mechanical and Internal Pressure Loading" $22,000. August, 1994 - August, 1995
- Prabhakaran, R. "Virginia Space Grant Consortium Graduate Fellowship for Mark Robeson" $5,000. 1993 - 1994
- Prabhakaran, R. "Experimental Study of Time Dependent Behavior of Composite" $41,995. November, 1993 - November, 1994
- Prabhakaran, R. "Progressive Damage in Composites" $27,990. November, 1993 - November, 1994
- Prabhakaran, R. "Characterization of the Behavior of Composite Shell Structures under Combined Mechanical and Internal Pressure Loading" $22,000. August, 1993 - August, 1994
- Prabhakaran, R. "Virginia Space Grant Consortium Graduate Fellowship for Mark Robeson" $5,000. 1992 - 1993
- Prabhakaran, R. "Time Dependent Behavior of Composites" $35,768. November, 1992 - October, 1993
- Prabhakaran, R. "Investigation of Progressive Damage in Composite Materials" $25,188. October, 1992 - September, 1993
- Prabhakaran, R. "Characterization of the Behavior of Composite Shell Structures under Combined Mechanical and Internal Pressure Loading" $22,000. August, 1992 - August, 1993
- Prabhakaran, R. "Role of Constituents in Organic-matrix Composites" $24,041. November, 1991 - November, 1992
- Prabhakaran, R. "Investigation of Five-point Bend Test for Composites" $25,057. October, 1991 - October, 1992
- Prabhakaran, R. "Fatigue and Fracture of Aluminum Alloys" $8,000. May, 1992 - August, 1992
- Prabhakaran, R. "Time Dependent Behavior of Composites" $5,712. August, 1991 - May, 1992
- Prabhakaran, R. "Thermal-mechanical Analysis of Metal Matrix Composites" $1,632. September, 1991 - December, 1991
- Prabhakaran, R. "Role of Constituents in Organic-matrix Composites" $15,310. November, 1990 - October, 1991
- Prabhakaran, R. "Investigation of Five-point Bend Test for Composites" $24,011. October, 1990 - October, 1991
- Prabhakaran, R. "Thermal-mechanical Analysis of Metal Matrix Composites" $4,544. April, 1991 - August, 1991
- Prabhakaran, R. "Time Dependent Behavior of Composites" $8,202. January, 1991 - August, 1991
- Prabhakaran, R. "Measurement of the Interfacial Strain Distribution in Adhesively Bonded, Stiffened Plate" $24,940. November, 1989 - October, 1990
- Prabhakaran, R. "Measurement of Interfacial Strain Distribution in Adhesively Bonded, Stiffened Plate" $52,354. October, 1988 - October, 1989
- Prabhakaran, R. "Investigation of Interfacial Strains in a Bonded Stiffened Plate" $25,000. October, 1987 - October, 1988
- Prabhakaran, R. "Investigation of Interfacial Strains in a Bonded Stiffened Plate" $31,740. February, 1987 - October, 1987
- Prabhakaran, R. "A Study of the Strength and Toughness of Laminates Subjected to Bearing Loads" $49,900. October, 1985 - October, 1986
- Prabhakaran, R. "Residual Stress Measurements in Graphite/Polyimide Composites" $14,690. October, 1985 - October, 1986
- Prabhakaran, R. "Structural Efficiency Studies of Advanced Aero thermal Compression Panels" $32,843. October, 1985 - October, 1986
- Prabhakaran, R. "Development of an Algorithm and Computer code for 3-Dimensional Geometric Non-linear Analysis" $8,000. August, 1985 - December, 1985
- Prabhakaran, R. "A Photoelastic Investigation of Shear Tests for Composite Materials" $10,000. October, 1984 - October, 1985
- Prabhakaran, R. "A Study of the Strength and Toughness of Laminates Subjected to Bearing Loads" $34,999. October, 1984 - October, 1985
- Prabhakaran, R. "Modeling of Low-Velocity Impact Damage of Continuous Fiber-Reinforced Composites" $17,500. October, 1984 - October, 1985
- Prabhakaran, R. "A Study of the Strength and Toughness of Laminates Subjected to Bearing Loads" $10,000. January, 1984 - October, 1984
- Prabhakaran, R. "Modeling of Low-Velocity Impact Damage of Continuous Fiber-Reinforced Composites" $15,500. October, 1983 - October, 1984
- Prabhakaran, R. "Aero thermal Structural Concepts Study" $25,990. December, 1982 - December, 1983
- Prabhakaran, R. "An Investigation of Residual Stresses in Advanced Composites" $15,535. November, 1982 - October, 1983
- Prabhakaran, R. "Separation of Principal Stresses in Photo-Orthotropic-Elasticity" $58,080. January, 1981 - June, 1983
- Prabhakaran, R. "Aero thermal Structural Concepts Study" $21,054. November, 1981 - October, 1982
- Prabhakaran, R. "Equipment for Application of Photoelasticity to Composite Model Materials" $24,615. September, 1980 - August, 1981
- Prabhakaran, R. "Application of Photo-orthotropic-elasticity to Plane Problems in Composites" $31,022. November, 1979 - October, 1980
- Prabhakaran, R. "Stress Analysis and Low-Cycle Fatigue Behavior of Composite Materials" . 1976 - 1979
- Prabhakaran, R. "Photoelastic Studies of Advanced Lap Joint Concepts" $9,045. March, 1979 - August, 1979
- Prabhakaran, R. "Dynamic Response of Fibre Reinforced Composites" . 1973 - 1978
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Intellectual Property
- METHOD OF CONTINUOUSLY DETERMINING CRACK LENGTH
- Patent/Copyright: Patent
-
Inventors:
Prabhakaran, R.