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- Ramamurthy Prabhakaran
- Eminent Professor
- Mechanical & Aerospace Engineering
- 238m Kaufman Hall
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Norfolk,
VA
23529
- 757-683-3732
- rprabhak@odu.edu
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Education
- Illinois Institute of Technology,
1970
- Major: Mechanical Eng., Mechanics/Materials Science
- Degree: Ph. D.
- Indian Institute of Sciences,
1967
- Major: Machine Design
- Degree: M.E.
- Indian Institute of Technology,
1965
- Major: Mechanical Engineering
- Degree: B.S.
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Book Chapters
- Prabhakaran, R., Saha, M., Douglas, M., and Nettles, A. T. Damage Resistance and Damage Tolerance of Pultruded Composite Sheet Materials. (pp. 139-155). Composite Materials: Testing, Design, and Acceptance Criteria, ASTM STP 1416.
- 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. (1981). Applications of Transmission Photoelasticity to Composite Materials.. Chapter 3 in Developments in Composite Materials, Applied Science Publishers.
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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).
- 1987: Award for "Shear Testing of Composites"
- 1986: Best Paper Award for "Measurement of Contact Angle in a Clearance-fit Pin-loaded Hole,", Society for Experimental Mechanics
- 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
- 1999: College of Engineering and Technology Research Award
- 1998: International Advisory Board, for the Fifth International Conference on Composites Engineering, Las Vegas
- Leader in composites Research and prominently featured in the publication, COMPOSITES IN VIRGINIA, prepared for the Commonwealth
of Virginia
- 1995: Outstanding Faculty Award, ASME Student Chapter of ODU
- 1999: University Nominee for the State Council of Higher Education’s Year 2000 Outstanding Faculty Awards Program
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Contracts, Grants and Sponsored Research
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Intellectual Property
- METHOD OF CONTINUOUSLY DETERMINING CRACK LENGTH
- Patent/Copyright: Patent