PUBLICATIONS

REFEREED JOURNAL PAPERS

J59. Nagarajaiah, S., and Basu, B. " Output only Modal Identification and Structural Damage Detection using Time Frequency & Wavelet Techniques," Earthquake Engineering and Engineering Vibration, 8(4), 10.1007/s11803-009-9120-6, 583-605 (2009)

J58. Nagarajaiah, S. "Adaptive passive, semiactive, smart tuned mass dampers:identification and control using empirical mode decomposition, Hilbert transform, and short-term Fourier transform," J. of Structural Health Monitoring and Control, DOI: 10.1002/stc.349, Published Online: Aug 28 (2009) 9:23AM.

J57. Vemuru, S. M., Wahi, R., Nagarajaiah, S. and Ajayan, P.M. "Strain sensing using a multiwalled carbon nanotube film" The Journal of Strain Analysis for Engineering Design, 44(7), DOI 10.1243/03093247JSA535, 555-562 (2009).

J56. Agarawal, A., Nagarajaiah, S., foreword, "Benchmark structural control problem for a seismically excited highway bridge: Phase I and II," J. of Structural Control and Health Monitoring, 16 (5), 503-508 (2009).

J55. Tan, P., Agarawal, A., Nagarajaiah, S., and Zhang, J. "Benchmark structural control problem for a seismically excited highway bridge - Part I: Phase I Problem definition," J. of Structural Health Monitoring and Control, 16 (5), 509-529 (2009).

J54. Nagarajaiah, S., Narasimhan, S., Agrawal, A.K., and Ping, T. ”Benchmark structural control problem for a seismically excited highway bridge - Part III: Phase II Sample controller for the fully base-isolated case” Journal of Structural Control and Health Monitoring, 16 (5), 549-563 (2009).

J53. Wilkerson, S., and Nagarajaiah, S. "Optimal Offloading Configuration of Spread-Moored FPSO," Journal of Offshore Mechanics and Arctic Engineering, ASME, 131, May, 021603-1:9 (2009).

J52. Chen, B. and Nagarajaiah, S. " Structural damage detection using decentralized controller design method" J. of Smart Structures and Systems, 4(6), 779-794 (2008).

J51. Basu, B. and Nagarajaiah, S. "A wavelet-based time-varying adaptive LQR algorithm for structural control ," J. of Engineering Structures, 30 (9), 2470-2477 (2008).

J50. Chen, B. and Nagarajaiah, S. "H_/H_inf structural damage detection filter design using iterative LMI approach" J. of Smart Materials and Structures, 17 (3), Art. no. 035019, (2008).

J49. Nagarajaiah, S., Narasimhan, S. and Johnson, E., editorial, " Structural Control Benchmark Problem: Phase II Nonlinear Smart Base Isolated Building subjected to Near Fault Ground Motions " J. of Structural Control and Health Monitoring, 15 (5), 653-656 (2008).

J48. Narasimhan, S., Nagarajaiah, S. and Johnson, E. " Smart Base Isolated Benchmark Building Part IV: Phase II Sample Controllers for Nonlinear Isolation Systems " J. of Structural Control and Health Monitoring, 15 (5), 657-672 (2008).

J47. Narasimhan, S. Suresh, S., Nagarajaiah, S. and Sundararajan, N. “On-Line Learning Failure-Tolerant Neural-Aided Controller for Earthquake Excited Structures” Journal of Engineering Mechanics, ASCE, 134 (3), 258-268 (2008).

J46. B. Basu, S. Nagarajaiah, A. Chakraborty “Online Identification of Linear Time-Varying Stiffness of Structural Systems by Wavelet Analysis,” International Journal of Structural Health Monitoring, 7(1), 21-36 (2008).

J45. Koh, B.H., Nagarajaiah, S., and Phan, M.Q. “Direct identification of structural damage through Kronecker product method,” Journal of Mechanical Science and Technology, 22(01), 103-112 (2008).

J44. Bergman, L. , ..Nagarajaiah, S. et al. Foreword: "US China Structural Health Monitoring" Smart Structures and Systems, 3(2), 219-220 (2007).

J43. Chen, B., and Nagarajaiah, S. “Linear Matrix Inequality based robust fault detection and isolation using the eigenstructure assignment method," Journal of Guidance, Control, and Dynamics, AIAA, 30(6), 1831 – 1835 (2007)

J42. Li, Z., Koh, B. H., and Nagarajaiah, S. “Detecting sensor failure via decoupled error function and inverse input-output model,” Journal of Engineering Mechanics, ASCE,133 (11), 1222 – 1228 (2007).

J41. Nagarajaiah, S. and Narasimhan, S. “Seismic control of smart base isolated buildings with newsemiactive variable damper,” Earthquake Eng. and Struc. Dyn. Journal, 36(6), 729-749 (2007).

J40. Nagarajaiah, S., and Sonmez, E. “Structures of semiactive variable stiffness multiple tuned mass dampers under harmonic forces,” Journal of Structural Engineering, ASCE, 133(1), 67-77 (2007).

J39. Nagarajaiah S. , Mao, Y. Q. and Sahasrabudhe, S. “Nonlinear, seismic response spectra of smart sliding isolated structures with independently variable MR dampers and variable stiffness SAIVS system” J. of Struct. Eng. and Mech., 24 (3), 375-393 (2006).

J38. Dharap, P., Koh, B.H., and Nagarajaiah, S. “Structural health monitoring using ARMarkov observers,” Journal of Intelligent Material Systems and Structures, 17(6), 469-481 (2006).

J37. Narasimhan, S., and Nagarajaiah, S. “Smart base isolated buildings with variable friction systems: H∞ controller and SAIVF device,” Earthquake Eng. and Struc. Dyn. Journal, 35(8), 920-942 (2006).

J36. Nagarajaiah, S., editorial “Structural Control Benchmark Problem: Smart Base Isolated Building Subjected to Near Fault Earthquakes,” Journal of Structural Control and Health Monitoring, 13(2-3), 571–572 (2006).

J35. Nagarajaiah, S., and Narasimhan, S. “Smart base isolated benchmark building Part II: Phase I Sample controllers for linear isolation system,” Journal of Structural Control and Health Monitoring, 13(2-3), 589-604 (2006).

J34. Narasimhan, S., Nagarajaiah, S., Gavin, H., Johnson, E. A. “Smart Base Isolated Benchmark Building Part I: Problem definition,” Journal of Structural Control and Health Monitoring, 13(2-3), 573-588 (2006).

J33. Nagarajaiah, S. and Saharabudhe, S. “Seismic response control of smart sliding isolated buildings using variable stiffness systems: Experimental and numerical study,” Earthquake Engineering and Structural Dynamics Journal, 35(2), 177-197 (2006).

J32. Saharabudhe, S. and Nagarajaiah, S. “Effectiveness of variable stiffness systems in base isolated bridges subjected to near fault earthquakes: Experimental study,” Int. Journal of Intelligent Material Systems and Structures., 16(9), 743-756 (2005).

J31. Koh, B.H., Li, Z., Dharap, P., Nagarajaiah, S., and Phan, M.Q., “Actuator Failure Detection through Interaction Matrix Formulation,” Journal of Guidance, Control, and Dynamics, AIAA, 28(5), 895-901 (2005).

J30. Koh, B.H., Dharap, P., Nagarajaiah, S., and Phan, M.Q., “Real-time Structural Damage Monitoring by Input Error Function,” Journal of American Institute of Aeronautics and Astronautics, AIAA, 43(8), 1808-1814 (2005).

J29. Sahasrabudhe, S. and Nagarajaiah, S. “Experimental study of sliding isolated buildings with MR dampers in near fault earthquakes,” Journal of Struct. Eng., ASCE, 131(7), 1025-1034 (2005).

J28. Saharabudhe, S. and Nagarajaiah, S. “Seismic response control of sliding isolated bridges with MR dampers: Experimental and numerical Study,” Earthquake Engineering and Structural Dynamics Journal, 34(7), 965-983 (2005).

J27. Li, Z., Dharap, P., Sharma, P., Nagarajaiah, S. and Yakobson, B. “A continuum field model of defect formation in single walled carbon nanotubes,” Journal of Applied Physics, 97(7), 074303-1 to 8, (2005). Selected as one of the best papers amongst all applied physics papers for publication in Virtual Journal of Nanoscale Science & Technology, Vol. 11, Issue 13, April 4, 2005

J26. Narasimhan, S., and Nagarajaiah, S. “STFT Algorithm for Semiactive Control of Base Isolated Buildings with Variable Stiffness Isolation Systems Subjected to Near Fault Earthquakes,” Journal of Engineering Structures, 27, 514-523 (2005).

J25. Nagarajaiah, S. and Nadathur, V. “Semi-active control of wind excited building with variable stiffness TMD using short time Fourier transform,” Journal of Engineering Structures, 27, 431-441 (2005).

J24. Li, Z., Dharap, P., Nagarajaiah, S., Nordgren, R., and Yackobson, B. “Nonlinear Analysis of a SWNT over a Bundle of Nanotubes”, Int. Journal of Solids and Structures, 41, 6925–6936 (2004).

J23. Nagarajaiah, S. and Li, Z. “Time segmented least squares identification of base isolated buildings,” Soil Dynamics and Earthquake Engineering Journal, 24, 577-586 (2004).

J22. Prasad, D., Li, Z., Nagarajaiah, S., and Barrera, E. “Flexural Strain Sensing using Carbon Nanotube film,” Sensor Review Journal, 24(3), 271-273 (2004).

J21. Nadathur, V. and Nagarajaiah, S. “Wind response control of building with variable stiffness tuned mass damper using empirical mode decomposition and Hilbert Transform,” Journal of Engineering Mechanics, ASCE, 130(4), 451-458 (2004).

J20. Li, Z., Dharap, P., Nagarajaiah, S., Barrera, E., and Kim, J. D. “Carbon Nanofilm Sensor,” Advanced Materials Journal, 16(7), 640-643, (2004).

J19. Dharap, P., Li, Z., Nagarajaiah, S., and Barrera, E. “Nanotube film based on SWNT for macrostrain sensing,” Nanotechnology Journal, 15(3), 379 - 382 (2004),Top 100 most highly downloaded articles in 2004

J18. Nagarajaiah, S. and Dharap, P. “Reduced order observer based identification of base isolated buildings,” Journal of Earthquake Engineering and Engineering Vibration, 2(2), 237-244 (2003).

J17. Spencer, B., and Nagarajaiah, S. “State of the art of structural control,” Journal of Structural Engineering, Invited Paper, ASCE, 129(7), 845-856 (2003).

J16. Nagarajaiah, S., and Sun, X., "Base Isolated FCC building: Impact Response in Northridge Earthquake," Journal of Structural Engineering, ASCE, Closure, 129(3), 422-423, (2003).

J15. Buckle, I. G., Nagarajaiah, S., and Ferrell, K. "Stability of elastomeric isolation bearings: Experimental study," Journal of Structural Engineering, ASCE, Vol. 128, No. 1, 3-11 (2002).

J14. Nagarajaiah, S., and Sun, X., "Base Isolated FCC building: Impact Response in Northridge Earthquake," Journal of Structural Engineering, ASCE, Vol. 127, No. 9, 1063-1074 (2001).

J13. Nagarajaiah, S., and Sun, X., "Response of base isolated USC hospital building in Northridge Earthquake," Journal of Structural Engineering, ASCE, Vol. 126, No. 10, 1177-1186 (2000).

J12. Nagarajaiah, S., and Ferrell, K. "Stability of elastomeric seismic isolation bearings," Journal of Structural Engineering, ASCE, Vol. 125, No. 9, 946-954 (1999).

J11. Constantinou, M.C., Reinhorn, A., Tsopelas, P., and Nagarajaiah, S. "Techniques in nonlinear dynamic analysis of seismic isolated structures," GB ENGN TEC APPL SCI, Structural Dynamic Systems Computational Techniques and Optimization Seismic Techniques, Vol. 12, 1-24 (1999)

J10. Riley, M., Reinhorn, A., and Nagarajaiah, S. "Implementation issues and testing of a hybrid sliding isolation system,” Journal of Engineering Structures, Vol. 20, No. 3, 144-154 (1998).

J9.Subramaniam, R., Reinhorn, A., Riley, M., and Nagarajaiah, S., "Hybrid control of structures using fuzzy logic," Journal of Microcomputers in Civil Engineering (currently Journal of Computer-Aided Civil and Infrastructure Engineering), Vol. 11, No. 1, 1-17 (1996).

J8.Nagarajaiah, S., "Post earthquake evaluation of base isolated structures using the 3D-BASIS computer program," Bulletin of the National Center for Earthquake Engrg., Vol. 9, No. 3, 15-18, (1995).

J7. Tsopelas, P., Nagarajaiah, S., Constantinou, M. C., and Reinhorn, A. M., "Nonlinear dynamic analysis of multiple building base isolated structures," Journal of Computers and Structures, Vol. 50, No. 1, 47-57 (1994).

J6. Nagarajaiah, S., Riley, M. A., and Reinhorn, A. M., "Control of sliding isolated bridges with absolute acceleration feedback," Journal of Engineering Mechanics, ASCE, Vol. 119, No. 11, 2317-2332 (1993).

J5. Nagarajaiah, S., Feng, M. Q., and Shinozuka, M., "Control of structures with friction controllable sliding bearings," Journal of Soil Dynamics and Earthquake Engineering, Vol. 12, No. 2, 103-112 (1993).

J4. Nagarajaiah, S., Reinhorn, A. M., and Constantinou, M. C., "Torsion in base isolated structures with elastomeric isolation systems," Journal of Structural Engineering, ASCE, Vol. 119, No. 10, 2932-2951 (1993).

J3. Nagarajaiah, S., Reinhorn, A. M., and Constantinou, M. C., "Torsional coupling in sliding base isolated structures," Journal of Structural Engineering, ASCE, Vol. 119, No. 1, 130-149 (1993).

J2. Nagarajaiah, S., Reinhorn, A. M., and Constantinou, M. C., "Experimental study of sliding isolated structures with uplift restraint," Journal of Structural Engineering, ASCE, Vol. 118, No. 6, 1666-1682 (1992).

J1. Nagarajaiah, S., Reinhorn, A. M., and Constantinou, M. C., "Nonlinear dynamic analysis of 3D-base isolated structures," Journal of Structural Engineering, ASCE, Vol. 117, No. 7, 2035-2054 (1991).

BOOKS/BOOK CHAPTERS

Nagarajaiah, S., and Narasimhan, S. “Optimal Control of Structures,” Handbook on Optimization of Structural and Mechanical Systems, Edited by J. S. Arora, World Scientific Publishing/Imperial College Press (2007) ISBN 978-981-256-962-2 / 981-256-962-6.

CONFERENCE PAPERS

C90. S. Nagarajaiah, Li, S., Dharap, P., Barrera, E. V. "Carbon nanotube film sensor" Proc. World Forum on Smart Materials and Smart Structures Technology, Chongqing and Nanjing, China, CD ROM Invited Paper (2007).

C89. S. Nagarajaiah, Li, S., Dharap, P., Barrera, E. V. "Carbon nanotube film sensor" Proc. World Forum on Smart Materials and Smart Structures Technology, Chongqing and Nanjing, China, CD ROM Invited Paper (2007).

C88. Chen, B., and Nagarajaiah, S. “Flexibility based identification using Gauss Newton Method,” Proc. SPIE International Symposia of Smart Structures & Materials/NDE, San Diego, CDROM (2007).

C87. Chen, B., and Nagarajaiah, S. "Structural Damage Detection Using Decentralized Controller Design Method," Proc. US-Taiwan Workshop on Smart Structural Technology for Seismic Hazard Mitigation (SSTSHM), CDROM Invited Paper (2006).

C86. B. Basu, S. Nagarajaiah, and A. Chakraborty, “Identification of Stiffness Variations in Structural Systems by Modified Littlewood-Paley Wavelets” Prof. Third European Workshop on Structural Health Monitoring, Univ. Politecnica Madrid, Univ. Granada, Granada, Spain (2006).

C85. Z. Li and S. Nagarajaiah, “Actuator failure detection using input-output measurements” Proc. 15th U.S. National Congress on Theoretical and Applied Mechanics, UC Boulder, (2006).

C84. S. Nagarajaiah, P. Dharap, and B. H. Koh, “Real time structural damage study using ARMarkov observers” Proc. 15th U.S. National Congress on Theoretical and Applied Mechanics, UC Boulder, (2006).

C83. Narasimhan, S., and Nagarajaiah, S. “Smart base isolated buildings with variable friction isolation systems,” Proc.4 World Conf. on Structural Control, IASCM, UCSD, CDROM (2006).

C82. Nagarajaiah, S., and Sonmez, E. “Semiactive variable stiffness single/multiple tuned mass dampers,” Proc.4 World Conf. on Structural Control, IASCM, UCSD, CDROM (2006).

C81. Li, Z., Koh, B. H., and Nagarajaiah, S. “Sensor failure detection using indirect approach,” Proc.4 World Conf. on Structural Control, IASCM, UCSD, CDROM (2006).

C80. Koh, B. H., Dharap, P., Nagarajaiah, S., and Phan, M. “Real time structural damage detection based on interaction matrix formulation,” Proc.4 World Conf. on Structural Control, IASCM, UCSD, CDROM (2006).

C79. Nagarajaiah, S., Narasimhan, S., and Johnson, E. “Phase II: Smart base isolated benchmark building with nonlinear isolation systems,” Proc.4 World Conf. on Structural Control, IASCM, UCSD, CDROM (2006).

C78. Li, S., and Nagarajaiah, S. “Structural damage detection using New Physical Parameter Realization Method,” Proc.4 World Conf. on Structural Control, IASCM, UCSD, CDROM (2006).

C77. Nagarajaiah, S., Narasimhan, S., Agrawal, A., and Tan, P. “Semiactive Lyapunov Controller for Phase II Seismic Isolated Highway Bridge Benchmark,” Proc.4 World Conf. on Structural Control, IASCM, UCSD, CDROM (2006).

C76. Dyck, J., Nagarajaiah, S., and Taylor, D., “Variation of supplemental stiffness and damping using adjustable fluid spring and damper ,” Proc. 8 U. S. National Conf. on Earthquake Eng., EERI, CDROM (2006).

C75. Li, Z., and Nagarajaiah, S. “Actuator Failure Detection using direct Method,” Proc. Biennial Earth and Space Conference, ASCE Aerospace Division, CDROM (2006).

C74. Li, Z., Koh, B. H., and Nagarajaiah, S. “Sensor failure detection using error function and inverse input-output model,” Proc. SPIE International Symposia of Smart Structures & Materials/NDE, San Diego, CDROM (2006).

C73. Nagarajaiah, S. “Current directions in Structural Control,” Proc. Structural Engineering Convention, Indian Institute of Science, Invited Paper, India (2005).

C72. Dharap, P., Koh, B.H., and Nagarajaiah, S. “Structural health monitoring using ARMarkov observers,”

Proc. 2nd International Conf. on Structural Health Monitoring of Intelligent Infrastructure, Invited Paper, Shenzen, China (2005).

C71. Koh, B.H., Dharap, P., Nagarajaiah, S., and Phan, M.Q., “Real-time Structural Damage Monitoring by

Input Error Function,” Proc. 5th International Workshop on Structural Health Monitoring, Stanford (2005).

C70. Koh, B.H., Li, Z., Dharap, P., Nagarajaiah, S., and Phan, M.Q., “Actuator Failure Detection through Interaction Matrix Formulation,” McMAT Conf., ASCE/ASME, Baton Rogue, CD Rom (2005).

C69. Nagarajaiah, S., Narasimhan, S. and Sahasrabudhe, S. “Performance of Semiactive Lyapunov Controllers in the Seismically Excited Benchmark Highway Bridge,” McMAT Conf., ASCE/ASME, Baton Rogue, CD Rom (2005).

C68. Nagarajaiah, S., Agrawal, A., and Sonmez, E. “Response of SDOF systems with Variable Stiffness and Damping Systems to Pulse Type of Excitations,” 3rd Int. Conf. of Earthquake Engineering, Invited Paper, Nanjing., China (October 2004).

C67. Nagarajaiah, S. and Mao, Y. “Response of Smart Base Isolated Structures with Independently Variable Stiffness and Variable Damping Systems in Near Fault Earthquakes” US-Korea Workshop on Smart Structures, Invited Paper, Seoul., Korea (September 2004).

C66. Nagarajaiah, S., Yang, J. N., and Spencer, B., “Recent advances in Control of Civil Infrastructure in USA,” US-Korea Workshop on Smart Structures, Invited Paper, Seoul., Korea (September 2004).

C65. Narasimhan, S., Nagarajaiah, S., Gavin, H., Johnson, E. A. “Smart Base Isolated Building Benchmark problem: Part I,” Fourth International Workshop on St. Control, Invited Paper, Columbia Univ., N.Y. (June 2004).

C64. Nagarajaiah, S., and Narasimhan, S. “Phase I: Controllers for benchmark base isolated building: Part II” Fourth International Workshop on St. Control, Invited Paper, Columbia Univ., N.Y. (June 2004).

C63. Nagarajaiah, S., and Narasimhan, S. “Controllers for benchmark base isolated building with linear and friction isolation system,” Proc. Structures Cong., ASCE, Nashville, CDROM (May 2004).

C62. Narasimhan, S., Nagarajaiah, S., Gavin, H., Johnson, E. A. “Smart Base Isolated Building Benchmark problem: Part I,” Proc. Structures Cong., ASCE, Nashville, CDROM (May 2004).

C61. Nagarajaiah, S., and Narasimhan, S. “Controllers for benchmark base isolated building with linear and friction isolation system,” Proc. 16th Eng. Mech. Conf., ASCE, Univ. of Wash., Seattle, CDROM (July 2003).

C60. Narasimhan, S. , Nagarajaiah, S., Gavin, H., Johnson, E. A. “Smart Base Isolated Building Benchmark problem,” Proc. 16th Eng. Mech. Conf., ASCE, Univ. of Wash., Seattle, CDROM (July 2003).

C59. Nadathur, V. and Nagarajaiah, S. “Wind response control of building with variable stiffness TMD: EMD/HT,” Proc. 16th Eng. Mech. Conf., ASCE, Univ. of Wash., Seattle, CDROM (July 2003).

C58. Nagarajaiah, S., Mao, Y. Q., and Sahasrabudhe, S. “Effectiveness of base isolation system with MR dampers in protecting structures in near-fault earthquakes,” Proc. Int. Conf. on Adv. and New Challenges in Earthquake Engrg. Res., Invited Paper, Hong Kong, CD ROM (August 2002).

C57. Narasimhan, S., Nagarajaiah, S., Gavin, H., Johnson, E. A. “Benchmark problem for control of base isolated buildings,” Proc. 15th Eng. Mech. Conf., ASCE, Columbia Univ., N.Y., CDROM (June 2002).

C56. Plenary Speaker, Kobori Panel, "Future Directions of Structural Control", 3rd World Conf. on Struct. Control, Invited Paper, Como, Italy, CD ROM (April 2002).

C55. Nagarajaiah, S. and Nadathur, V. “Response control of wind excited tall building with semi-active variable stiffness TMD using short term Fourier transform,” Proc. 3rd World Conf. on Struct. Control, Como, Italy, CDROM (April 2002).

C54. Narasimhan, S., Nagarajaiah, S., Gavin, H., Johnson, E. A. “Benchmark problem for control of base isolated buildings,” Proc. 3rd World Conf. on Struct. Control, Como, Italy, CDROM (April 2002).

C53. Nagarajaiah, S., and Sahasrabudhe, S. “Analytical study of sliding isolated buildings with variable dampers,” Proc. Structures Congress, ASCE, Denver, CDROM (April 2002).

C52. Keynote Speaker, Nagarajaiah, S., “Smart isolated buildings with smart dampers,” Proc. International Conference on Civil Engineering, Invited Paper, ICCE-2001, India, (June 2001).

C51. Nagarajaiah, S., “Semiactive control of variable stiffness structures and smart tuned mass dampers,” Proc. US-Japan Workshop on Smart Structures, Invited Paper, Seattle, WA, 171-182 (August 2001).

C50. Nagarajaiah, S., and Nadathur, V. “Semi-Active Control of Smart Tuned Mass Damper Using Empirical Mode Decomposition and Hilbert Transform Algorithm,” Proc. ICOSSAR, Newport Beach¸CA, CDROM (May 2001).

C49. Sahasrabudhe, S., and Nagarajaiah, S. “Semiactive control of sliding isolated buildings with MR dampers,” Proc. MMC2001, San Diego, CA, CD ROM (May 2001).

C48. Nadathur, V., and Nagarajaiah, S. “System identification using empirical mode decomposition and Hilbert transform,” Proc. MMC2001, San Diego, CA, CD ROM (May 2001).

C47. Nagarajaiah, S., and Nadathur, V. “Smart Tuned Mass Damper Using Empirical Mode Decomposition and Hilbert Transform Algorithm,” Proc. MMC2001, San Diego¸CA, CDROM (May 2001).

C46. Sahasrabudhe, S., and Nagarajaiah, S. “Sliding Isolated Buildings with Smart Dampers: Shaking Table Studies,” Proc. Structures Congress, ASCE, Washington, D.C., CDROM (April 2001).

C45. Buckle, I.G., Nagarajaiah, S., and Ferrell, K. “Stability of elastomeric seismic isolation bearings: Experimental Study,” Proc. Structures Congress, ASCE, Washington, D.C., CDROM (April 2001).

C44. Nagarajaiah, S., and Nadathur, V., “Smart variable stiffness control systems,” Proc. Smart Structures and Materials Conf., SPIE, Vol. 4330, 345-353, (March 2001).

C43. Sahasrabudhe, S., and Nagarajaiah, S. “Sliding Isolated Structures with Smart Dampers,” Proc. Int. Conf. On Advances in Structural Dynamics, Hong Kong, CD ROM (December 2000).

C42. Nagarajaiah, S. “Variable Stiffness Systems” Proc. VETOMAC, Invited Paper, Indian Institute of Science, India, CD ROM (November 2000).

C41. Varadarajan, N. and Nagarajaiah, S. “Vibration control of wind excited tall benchmark building using variable stiffness tuned mass damper,” Proc. Second European Conference on Structural Control, ENPC, Paris (July 2000).

C40. Nagarajaiah, S., Sahasrabudhe, S., and Iyer, R. “Earthquake Protection of Bridges using Sliding Isolation System and MR Dampers,” Proc. Third International Workshop on Structural Control, ENPC, Paris, 375-383 (July 2000)

C39. Nagarajaiah, S., Sahasrabudhe, S. and Iyer, R. ”Seismic Response of Sliding Isolated Bridges with MR Dampers,” Proc. American Control Conference, Chicago, CD ROM (June 2000).

C38. Sahasrabudhe, S., Nagarajaiah, S. and Hard, C. “Experimental Study of Sliding Isolated Buildings with Smart Dampers Subjected to Near Source Ground Motions,” Proc. Eng. Mech. Conf. EM 2000, ASCE, UT Austin, CD ROM (May 2000).

C37. Nagarajaiah, S., Sahasrabudhe, S., and Iyer, R. ”Seismic Response of Sliding Isolated Bridges with Smart Dampers Subjected to Near Source Ground Motions,” Proc. Structures Congress, ASCE, Philadelphia, CD ROM (May 2000).

C36. Nagarajaiah, S., and Varadarajan, N., “Novel Semi-active Variable Stiffness Tuned Mass Damper With Real Time Retuning Capability,” Proc. Eng. Mech. Conf. EM 2000, UT Austin, CD ROM (May 2000).

C35. Varadarajan, N. and Nagarajaiah, S. “Semi-active Variable Stiffness Tuned Mass Damper For Response Control of Wind Excited Tall Buildings: Benchmark Problem,” Proc. Eng. Mech. Conf. EM 2000, UT Austin (May 2000).

C34. Nagarajaiah, S., Nadathur, V., and Sahasrabudhe, S., "Variable Stiffness and instantaneous frequency," Proceedings World Structures Congress '99, ASCE, New Orleans, LA 281-292 (May 1999).

C33. Nagarajaiah, S., Reinhorn, A. M. and Constantinou, M.C., "Nonlinear dynamic analysis of base isolated structures – current techniques," Proceedings World Structures Congress '98, ASCE, San Francisco, CA 281-292 (July 1998).

C32. Nagarajaiah, S., and Mate, D., "Semi-active Control of Continuously Variable Stiffness System," Proceedings Second World Conference on Structural Control, Kyoto, Japan, Vol. 1, 397 - 406 (July 1998).

C31. Nagarajaiah, S., Roschke, P. N., and Wu, W., "Partitioned Predictor Corrector Algorithm for Nonlinear Dynamic Structural Response and Control," Proceedings Second World Conference on Structural Control, Kyoto, Japan, Vol. 3, 1921 - 1930 (July 1998).

C30. Nagarajaiah, S., and Gazdowski, E. K.," Unidirectional Shaking Table for Testing Small Scale Structural Models: Design and Development," Proceedings 12th Engineering Mechanics Conference, University of California, San Diego, 779-782 (May 1998).

C29. Nagarajaiah, S., and Mate, D., "Development of a Semi-active Continuously Variable Stiffness Device," Proceedings 12th Engrg. Mech. Conf., University of California, San Diego, 257-260 (May 1998).

C28. Nagarajaiah, S., and Sunan, W., “Control of a system with variable frequency,” Proceedings Eleventh VPI & SU Symposium of Structural Dynamics and Control, Virginia Polytechnic Institute, 61-70 (May 1997).

C27. Nagarajaiah, S., “Semi-active control of structures,” Proceedings Structures Congress '97, ASCE, Portland, Oregon, 1574-1578 (April 1997).

C26. Nagarajaiah, S., Ferrell, K., and Buckle, I., “Stability of elastomeric seismic isolation bearings in buildings,” Proceedings Structures Congress '97, ASCE, Portland, Oregon, 1138-1142 (April 1997).

C25. Nagarajaiah, S., and Sun, X., "Response of base isolated structures in Northridge Earthquake," Proceedings 11th World Conf. Earthquake Engrg. , Acapulco, Mexico, 1601-1614 (June 1996).

C24. Nagarajaiah, S., and Ma, X., “System identification study of a 1:10 scale steel model using earthquake simulator,” Proceedings 11th Engrg. Mech. Conf., ASCE, Florida, 764-767 (May 1996).

C23. Nagarajaiah, S., and Sun, X., "Response of base isolated USC hospital building in Northridge Earthquake," Proceedings Structures Congress '96, ASCE, Chicago, Illinois, 565-570 (April 1996).

C22. Reinhorn, A.M., Subramaniam, R., Nagarajaiah, S., and Riley, M. A. “Implementation of hybrid structural control using fuzzy logic,” Proceedings American Control Conference, Seattle, 1204-1209 (June 1995).

C21. Nagarajaiah, S., and Sun, X., "Response of base isolated buildings during the 1994 Northridge earthquake," Proceedings SMIP95 Seminar on Seismological and Engrg.--Implications of Recent Strong Motion Data, Invited Paper, San Francisco, California, 41-55 (May 1995).

C20. Nagarajaiah, S., "Seismic response of multistory sliding isolated structures with uplift," Proceedings Structures Congress '95, ASCE, Boston, Massachusetts, 1044-1047 (April 1995).

C19. Nagarajaiah, S., "Fuzzy controller for structures with hybrid isolation system," Proceedings First World Conference on Structural Control, Univ. of Southern California, California, TA2-67-76 (August 1994).

C18. Riley, M. A., Reinhorn, A. M., Nagarajaiah, S., and Subramaniam, S., "Control algorithms for structures with hybrid isolation systems," Proceedings Fifth U.S. National Conference on Earthquake Engineering, Chicago, Illinois, 981-990 (July 1994).

C17. Subramaniam, R., Reinhorn, A. M., Nagarajaiah, S., and Riley, M. A., "Fuzzy sets applications to hybrid structural control," Proceedings Fifth U.S. National Conference on Earthquake Engineering, Chicago, Illinois, 991-1000 (July 1994).

C16. Nagarajaiah, S., and Reinhorn, A. M., "Applicability of pseudo-force method to highly nonlinear dynamic problems," Proceedings Structures Congress '94, ASCE, Atlanta, Georgia, 165-172 (April 1994).

C15. Riley, M. A., Nagarajaiah, S., and Reinhorn, A. M., "Hybrid isolation systems for sensitive equipment and secondary systems," Proceedings National Earthquake Conference, Memphis, Tennessee, 327-336 (May 1993).

C14. Subramaniam, R. S., Riley, M. A., Nagarajaiah, S., and Reinhorn, A. M., "Hybrid control of building structures," Proceedings 9th VPI & SU Symposium on Dynamics and Control of Large Structures, Blacksburg, Virginia, 102-110 (May 1993).

C13. Reinhorn, A. M., Nagarajaiah, S., Riley, M. A., and Subramaniam, R. S., "Hybrid control of sliding isolated structures," Proceedings Structures Congress '93, ASCE, Irvine, California, 766-771 (April 1993).

C12. Subramaniam, R. S., Reinhorn, A. M., and Nagarajaiah, S., "Application of fuzzy set theory to the active control of base isolated structures," Proceedings Second IEEE International Conference on Fuzzy Systems (FUZZ-IEEE-93), San Francisco, California, 223-231 (April 1993).

C11. Nagarajaiah, S., Reinhorn, A. M., and Constantinou, M. C., "Torsion in base isolated structures," Proceedings ATC-17-1 Seminar of Base Isolation and Active Control, Invited Paper, San Francisco, California, pp. 331-338 (March 1993).

C10. Riley, M. A., Subramaniam, R. S., Nagarajaiah, S., and Reinhorn, A. M., "Hybrid control of sliding base isolated structures," Proceedings ATC-17-1 Seminar on Base Isolation and Active Control, Invited Paper, San Francisco, California, pp. 799-810 (March 1993).

C9. Nagarajaiah, S., Tsopelas, P. S., Li, C., Reinhorn, A. M., and Constantinou, M. C., "3D-BASIS: A class of computer programs for nonlinear dynamic analysis of base isolated structures," Proceedings ATC-17-1 Seminar on Base Isolation and Active Control, Invited Paper, San Francisco, California, 173-184 (March 1993).

C8. Reinhorn, A., Nagarajaiah, S., Subramaniam, R. S., and Riley, M. A. "Study of hybrid control for structural and nonstructural systems," Proceedings International Workshop on Structural Control, Hawaii, 405-416 (August 1993).

C7. Reinhorn, A. M., Nagarajaiah, S., Riley, M. A., and Subramaniam, R., "Hybrid control of sliding isolated bridges," Proceedings Second US/Japan NSF Workshop on Earthquake Protection Systems for Bridges, Tsukuba, Japan, 517-523 (December 1992).

C6. Nagarajaiah, S., Riley, M. A., Reinhorn, A. M., and Shinozuka, M., "Hybrid control of sliding isolated bridges," Proceedings Sixth Symposium Seismic, Shock, and Vibration Isolation 1992, ASME/PVP-237, Vol. 2, 83-89 (1992).

C5. Riley, M. A., Nagarajaiah, S., and Reinhorn, A. M., "Hybrid control of absolute motion in aseismically isolated bridges," Proceedings Third Workshop on Bridge Engineering, San Diego, California, 239-242 (November 1992).

C4. Nagarajaiah, S., Feng, M. Q., Shinozuka, M., and Reinhorn, A. M., "Analysis of bridges with friction controllable sliding isolation systems," Proceedings Third Workshop on Bridge Engineering, San Diego, 243-246 (November 1992).

C3. Nagarajaiah, S., Reinhorn, A. M., and Constantinou, M. C., "Uplift restraint for sliding base isolated structures," Proceedings Third World Congress Joints and Bearings, Canada, Vol. 2, 1173-1185 (1991).

C2. Nagarajaiah, S., Reinhorn, A. M., and Constantinou, M. C., "Lateral-torsional response of sliding isolated structures," Proceedings Pacific Conference on Earthquake Engineering, Auckland, New Zealand, 257-268 (1991).

C1. Nagarajaiah, S., Reinhorn, A. M., and Constantinou, M. C., "Analytical modeling of three dimen¬sional behavior of base isolation devices," Proceedings Fourth U.S. National Conference on Earthquake Engineering, Palm Springs, California, Vol. 3, 579-588 (1990).

PATENTS

P2. Smart materials, strain sensing, and stress determination by means of nanotube sensing systems, composites, and devices, U.S.Patent. 2006/0253942 A1, Nov. 9, 2006, with Barrera, E., Dharap, P., and Li, Z.,—Licensed by NanoRidge Materials Company

P1. Structural Vibration Damper with Continuously Variable Stiffness, US Patent No. 6,098,969, Aug. 8, 2000.

TECHNICAL REPORTS

T5. Reinhorn, A.M., Nagarajaiah, S., Constantinou, M.C., Tsopelas, P.C., and Renfen, L., "3D-BASIS-TABS Version 2.0: A computer program for nonlinear dynamic analysis for three-dimensional base isolated structures," Report No. NCEER-94-0018, National Center for Earthquake Engineering Research, SUNY, Buffalo, New York (1994).

T4. Nagarajaiah, S., Li, C., Reinhorn, A. M., and Constantinou, M. C., "3D-BASIS-TABS: A computer program for nonlinear dynamic analysis for three-dimensional base isolated structures," Report No. NCEER-93-0011, National Center for Earthquake Engineering Research, SUNY, Buffalo, New York (1993).

T3. Tsopelas, P., Nagarajaiah, S., Constantinou, M. C., and Reinhorn, A. M., "3D-BASIS-M: Nonlinear dynamic analysis of multiple building base isolated structures," Report No. NCEER-91-0014, National Center for Earthquake Engineering Research, SUNY, Buffalo, New York (1991).

T2. Nagarajaiah, S., Reinhorn, A. M., and Constantinou, M. C., "3D-BASIS: Nonlinear dynamic analysis of three-dimensional base isolated structures - Part II," Report No. NCEER-91-0005, National Center for Earthquake Engineering Research, SUNY, Buffalo, New York (1991).

T1. Nagarajaiah, S., Reinhorn, A. M., and Constantinou, M. C., "Nonlinear dynamic analysis of three dimensional base isolated structures (3D-BASIS)," Report No. NCEER-89-0019, National Center for Earthquake Engineering Research, SUNY, Buffalo, New York (1989).