refereed journal
 refereed conference proceedings
 conference presentations
 awards and scholarships


refereed journal

  1. N. V. Nair, B. Shanker and L. Kempel, ”Generalized Method of Moments: A novel framework for analyzing
    acoustic scattering from complex objects using a locally smooth surface parametrization and
    adaptive basis spaces,” Submitted to Journal of the Acoustical Society of America, 2011, preprint available:
    http://arxiv.org/pdf/1107.3526
  2. A. J. Pray, N. V. Nair, and B. Shanker, “Stability properties of the time domain electric field integral equation
    using a separable approximation for the convolution with the retarded potential,” to appear in IEEE
    transactions on Antennas and Propagation 2012. preprint available on request.
  3. N. V. Nair and B. Shanker, “Generalized Method of Moments: A Novel Discretization Technique for Integral
    Equations,” IEEE Transactions on Antennas and Propagation, vol. 59(6), 2011, pp. 2280-2293.
  4. N. V. Nair and B. Shanker, “Generalized method of moments: a framework for analyzing scattering from
    homogeneous dielectric bodies,” Journal of the Optical Society of America, A, vol. 28 (3), pp. 328-340.
  5. O. Tuncer, C. Lu, N. V. Nair, B. Shanker and L. Kempel, “Further Development of Vector Generalized
    Finite Element Methods and its Hybridization with Boundary Integrals,” IEEE Transactions on Antennas
    and Propagation, vol. 58(3), 2010, pp. 887-899.
  6.  A. Tamburrino, Y. Tian, N. V. Nair, and S. Udpa, “Interfaces Removal for Time-of-Flight Eddy Current
    Testing: The Planar Geometry Case,” International Journal of Applied Electromagnetics and Mechanics,
    vol. 25, No. 1, 2007, pp.307-312 .
  7. N. V. Nair, Melapudi, V.R., Jimenez, H.R., Liu, X., Deng, Y., Zeng, Z., Udpa, L., Moran, T.J., Udpa, S.S,
    “A GMR-Based Eddy Current System for NDE of Aircraft Structures,” IEEE Transactions on Magnetics,
    vol. 42(10), 2006, pp. 3312-3314.
  8. Y Tian, S S Udpa, N. V. Nair and S Ramakrishnan, “Modeling of Electromagnetic Heating Effects During
    in vivo Testing of Prosthetic Heart Valves,” IEEE Transactions on Magnetics, vol. 42(10), 2006, pp.
    3563-3565.
  9. S C Chan, R Clifford, S Majumdar, N. V. Nair, S Ramakrishnan, Y Li, P Ramuhalli, L Udpa, S Udpa,
    “Novel Methods for Detecting Fractures in Prosthetic Heart Valves,” Insight, vol. 47 (1), 2005, pp. 15-19.
  10. N. V. Nair, A. J. Pray, B. Shanker, and D. R. Wilton, “A Singularity Cancellation Technique on Arbitrary
    Higher Order Surface Descriptions”, to be submitted to IEEE Antennas and Propagation Letters, 2011,
    preprint available on request
  11. N. V. Nair, M. Vikram, and B. Shanker, ”A flexible and adaptive integral equation framework for the solution
    of scattering from metallic objects using the Generalized Method of Moments and a locally smooth
    surface parametrization,” to be submitted to IEEE Transactions on Antennas and Propagation, 2011.

refereed conference proceedings

  1. N. V. Nair and B. Shanker, “Generalized Method of Moments: A flexible discretization scheme for integral
    equations using locally smooth surface approximations,” to appear in Proceedings of the IEEE
    International Conference on Microwaves, Communications, Antennas and Electronic Systems, Tel Aviv,
    Israel, November 7-9, 2011.
  2. N. V. Nair and B. Shanker, “ A Discretization Framework for Scalar Integral Equations Using the Generalized
    Method of Moments and Locally Smooth Surface Approximations,” Proceedings of the IEEE
    International Antennas and Propagation Symposium, Spokane, WA, July 3-8, 2011.
  3. N. V. Nair and B. Shanker, “Locally Smooth Surface Meshes for Electromagnetic and Acoustic Integral
    Equations,” Proceedings of the IEEE International Antennas and Propagation Symposium, Spokane,
    WA, July 3-8, 2011.
  4. N. V. Nair and B. Shanker, “ A Novel Discretization Scheme for Electromagnetic Integral Equations Using
    the Generalized Method of Moments and Locally Smooth Surface Approximation,” Proceedings of
    the IEEE International Antennas and Propagation Symposium, Spokane, WA, July 3-8, 2011.
  5. N. V. Nair, B. Shanker and A. Boag, “Novel Representation of the Retarded and the Helmholz Potential,
    and Development of Corresponding Accelerators,” Proceedings of the IEEE International Antennas and
    Propagation Symposium, Spokane, WA, July 3-8, 2011.
  6. A. J. Pray, N. V. Nair, M. Vikram, M. Lu, B. Shanker and E. Michielssen, “ A Parallel Implementation of
    the PWTD Algorithm for Time-Domain Electromagnetic Simualtions,” Proceedings of the IEEE International
    Antennas and Propagation Symposium, Spokane, WA, July 3-8, 2011.
  7. C. Meierbachtol, N. V. Nair, T. A. Grotjohn and B. Shanker, “Multi-Physics Modeling of a Microwave
    Plasma-Assisted Chemical Vapor Deposition Reactor for Diamond Growth ,” Proceedings of the IEEE
    International Antennas and Propagation Symposium, Spokane, WA, July 3-8, 2011.
  8. A. J. Pray, N. V. Nair and B. Shanker, “A Separable Approximation for Convolution with the Retarded
    Greenâ˘A ´ Zs Function and Its Application to Time Domain Integral Equations,” Proceedings of the IEEE
    International Antennas and Propagation Symposium, Spokane, WA, July 3-8, 2011 (Best Student Paper
    - Finalist).
  9. A. Baczewski, N. V. Nair and B. Shanker, “Towards Integral Equation Methods for Periodic Structures
    with Finite Perturbations Using Accelerated Cartesian Expansions,” Proceedings of the IEEE International
    Antennas and Propagation Symposium, Spokane, WA, July 3-8, 2011.
  10. C. Meierbachtol, N. V. Nair, T. A. Grotjohn and B. Shanker, “Modeling of convective plasma flow in
    high pressure microwave PACVD diamond reactors,” IEEE international Conference on Plasma Science
    (ICOPS), 2011, June 26-30, 2011.
  11. O. Tuncer, N. V. Nair and B. Shanker, “A generalized basis function framework for integral and differential
    equations in electromagnetics,” Loughborough, Antennas and Propagation Conference, Loughborough,
    Nov. 8-9, 2008, pp. 9-12.
  12.  N. V. Nair, A. J. Pray and B. Shanker, “Analysis of transient scattering from PEC objects using the
    Generalized Method of Moments,” Proceedings of the IEEE International Antennas and Propagation
    Symposium, Toronto, CANADA, July 11-17, 2010 (Best Student Paper - Finalist).
  13.  N. V. Nair and B. Shanker, “A Generalized Method of Moments based discretization of the Müller Integral
    Formulation,” Proceedings of the IEEE International Antennas and Propagation Symposium, Toronto,
    CANADA, July 11-17, 2010.
  14. N. V. Nair, B. Shanker and L. C. Kempel, “ Discretization of the PMCHWT Integral Equation using the
    Generalized Method of Moments,” International Review of Progress in Applied Computational Electromagnetics,
    2010.
  15. N. V. Nair, A. J. Pray, M. Vikram and B. Shanker, “Parallel Generalized Method of Moments for Analysis
    of Transient Scattering from PEC Objects,” Proceedings of the Electromagnetics Theory Symposium,
    2010.
  16. N. V. Nair and B. Shanker, “An Accurate and Low-Frequency Stable Discretization Scheme for the Electric
    Field Integral Equation Using the Generalized Method of Moments,” IEEE International Antennas and
    Propagation Symposium, Charleston, SC, June 1-5, 2009 ( Best Student Paper - Honorable mention).
  17. N. V. Nair, M. Vikram and B. Shanker, “ Implementation of Generalized Method of Moments,” IEEE International
    Antennas and Propagation Symposium, Charleston, SC, June 1-5, 2009.
  18. N. V. Nair, M. Vikram and B. Shanker, “ A robust generalized method of moments scheme for electromagnetic
    analysis,” 25th Annual review of Progress in Applied Computational Electromagnetics, March
    2009 (Invited).
  19. N. V. Nair, M. Vikram and B. Shanker, “Mathematical Analysis of the Augmented Electric Field Integral
    Equation Operators,” IEEE International Antennas and Propagation Symposium, San Diego, July 5-12,
    2008.
  20. N. V. Nair and B. Shanker, “A Generalized Solution Scheme for Integral Equations,” IEEE International
    Antennas and Propagation Symposium, San Diego, July 5-12, 2008.
  21. O. Tuncer, N. V. Nair and B. Shanker, “Dispersion Analysis in Scalar Generalized Finite Element Method,”
    IEEE International Antennas and Propagation Symposium, San Diego, July 5-12, 2008.
  22. N.V. Nair, M. Vikram, B. Shanker, L. C. Kempel, “Generalized Method of Moments for Analysis of Structures
    with Mixed Feature Sizes,” 2nd European Conference on Antennas and Propagation, Nov. 11-16,
    2007 (invited)
  23. N. V. Nair, C. Lu and B. Shanker, “Differential and integral equation solvers based on generalized moments
    and partitions of unity,” International Conference on Electromagnetics and Advanced Applications,
    Sept. 17-21, 2007, pp. 974-977 (invited).
  24. O. Tuncer, C. Lu, N. V. Nair, B. Shanker, and L. C. Kempel, “Analysis of error propagation in vector
    generalized finite element methods,” International Conference on Electromagnetics and Advanced Applications,
    Sept. 17-21, 2007, pp. 822-835 (invited).
  25. M. Vikram, N. V. Nair, R. Clifford, S. S. Udpa, and L. Udpa, “Development of a Prototype Free-Scan
    System for Giant Magneto-Resistive Eddy Current Inspection of Aircraft Structures,” Proceedings of
    2007 International Society of Electromagnetics and Mechanics, Sept. 2007, pp. 175-176.
  26. N. V. Nair, A. Tamburrino, L. Udpa, and S. S. Udpa, “An Interface Removal Transformation: The Vector
    Case,” Review of Quantitative Nondestructive Evaluation, D. O. Thompson and D. E. Chimenti, Eds.,
    American Institute of Physics, vol. 894, Portland, OR, 2007, pp. 325-331.
  27. V. R. Melapudi, N. V. Nair, S. S. Udpa, Lalita Udpa and William P. Winfree, “Imaging and Modeling Techniques
    for Terahertz Inspection of NASA SOFI,” Review of Quantitative Nondestructive Evaluation, D. O.
    Thompson and D. E. Chimenti, Eds., American Institute of Physics, vol. 894, 2007, pp. 401-407.
  28. N. V. Nair, A. Tamburrino, L. Udpa, and S. S. Udpa, “Interface Removal for Planar Geometries: The
    Vector Case,” Review of Quantitative Nondestructive Evaluation, vol. 26, Ed. By D. O. Thompson and D.
    E. Chimenti, American Institute of Physics, 2007, pp. 325-331.
  29. 29. A Tamburrino, N. Nair, S S Udpa, L Udpa, “Experimental Extraction of Time-of-Flight from Eddy Current
    Testing Data,” Studies in Applied Electromagnetics and Mechanics, vol. 26, IOS press, 2006, pp. 67-74.
  30. S Majumdar, S Ramakrishnan, N. Nair, S C Chan, R Clifford and S S Udpa, “A Modified FFT Algorithm
    for Efficient Computation of Narrow Band Spectrum,” IEEE Conference on Electro-Information Technology,
    East Lansing, MI May 2006, pp. 552-55.
  31.  A Tamburrino, Y Tian, N Nair and S Udpa, “An Interface Removal Transformation for TOF Extraction
    from Eddy Current Signals : The scalar case,” International Symposium on Electric Biomechanical and
    Biomedical Problems. Bad Gastein, Austria, September, 2005, pp. 307-312.
  32. N. Nair, V Melapudi, S Ramakrishnan, L Udpa, S S Udpa and W P Winfree, “A Wavelet Based Signal
    Processing Technique for Image Enhancement in Terahertz Imaging,” in Review of Progress in Quantitative
    Nondestructive Evaluation, AIP 2005, pp. 492-499.
  33. S. C. Chan, M. Oka, R. Clifford, S. Majumdar, N. Nair, S. Ramakrishnan, Y. Li, P. Ramuhalli, L. Udpa
    and S. S. Udpa “In Vitro Testing of a System for the Evaluation of Prosthetic Heart Valves,” in Studies in
    Applied Electromagnetics and Mechanics, IOS press, vol 25, 2005, pp. 253-257.
  34. N. Nair, S Ramakrishnan, R Clifford, Y Li, S Majumdar, S C Chan, P Ramuhalli, L Udpa, S S Udpa, “A
    Beat Frequency Electromagnetic Acoustic Transduction Technique for Detecting Strut Fractures in Prosthetic
    Heart Valves,” in Studies in Applied Electromagnetics and Mechanics, IOS press, vol 25, 2005,
    pp. 211-215.
  35. S Ramakrishnan, N. Nair, R Clifford, S Majumdar, S C Chan, Y Li, P Ramuhalli, L Udpa and S S Udpa,
    “An Electromagnetic Acoustic Transduction Technique for Detecting Strut Fractures in Artificial Heart
    Valves,” IEEE Conference on Electro Information Technology, Lincoln, NE, May 22-25, 2005, pp. 5-11.
  36. N. Nair, S Ramakrishnan, S T Thomas, R Ahn, and S S Udpa, “Signal Processing Techniques for Detecting
    Strut Fractures in Prosthetic Heart valves,” in Studies in Applied Electromagnetics and Mechanics,
    IOS press, vol 24, 2004, pp. 95-103.
  37.  N Nair and K Balasubramaniam, “A 2-D Inverse Heat Conduction Formulation for Determination of Heat
    Source Characteristics from Thermal Images,” in Review of Progress In Quantitative Nondestructive
    Evaluation, Boulder CO, July 2004, pp. 453-460.
  38. V. Srivatsan, K Balasubramaniam, and N. Nair, “Artificial Neural Network Based Algorithm for Acoustic
    Impact Based Nondestructive Process Monitoring of Composite Products,” in Review of Progress In
    Quantitative Nondestructive Evaluation, Bellingham, WA, May 2003, pp. 1651-1656.
  39. K Balasubramaniam, N. Nair, S. Veeraraghavan, and S. K. Das, “Modeling of Effects of Excitation Velocities
    on the Thermal Image Obtained for Thermosonic NDE,” Review of Progress In Quantitative
    Nondestructive Evaluation, Bellingham, WA, May 2003, pp. 525-530.
  40. V. Srivatsan, N. V. Nair and K. Balasubramaniam, “An novel acoustic technique for detection of defects in
    brake-pads,” National Seminar on Virtual Instrumentation, Bangalore, INDIA 2002 ( Best Paper Award).

Conference Presentations

  1. A. D. Baczewski, N. V. Nair and B. Shanker, ``Integral Equation Methods for Finite Sources in Periodic Structures with Applications to Nanophotonics'', To be presented at USNC/URSI National Radio Science Meeting, Toronto, CANADA, July 11-17, 2010.
  2. A. J. Pray, N. V. Nair and B. Shanker, ``Accurate Evaluation of Retarded Potential Integrals'', To be presented at USNC/URSI National Radio Science Meeting, Toronto, CANADA, July 11-17, 2010.
  3. N. V. Nair and B. Shanker, ``Development of generalized method of moments'', International Symposium on Electromagnetic Theory, Ottawa, July 26-28, 2007.
  4. N. V. Nair and B. Shanker, ``A generalized method of moments solution to vector integral equation operators'', USNC/URSI National Radio Science Meeting, Ottawa, July 22-26, 2007.
  5. N. V. Nair and B. Shanker, ``Application of the generalized method of moments to augmented integral operators'', USNC/URSI National Radio Science Meeting, Ottawa, July 22-26, 2007.
  6. S. S. Udpa, S. C. Chan, R. Clifford, S. Majumdar, N. Nair, S. Ramakrishnan, P. Ramuhalli, A. Surapur, L. Udpa, and A. White, “Active and Passive Methods for Detecting Strut Fractures in Prosthetic Heart Valves, V. S. Joshi Memorial Plenary Lecture, NDE 2004, Pune, India, December 9-11, 2004. (invited)
  7. V S Chakravarthy, S T Thomas and N. Nair,  A Model for Scheduling Motor Unit Requirement in Skeletal Muscle, International Conference on Theoretical Neurobiology, Delhi, India, March 2003.

Awards and Scholarships


  1. Recipient of the MSU Postdoctoral Travel Fellowship 2011.
  2. Outstanding Graduate Student, College of Engineering, Michigan State University, 2010.
  3. Finalist in Best Student Paper Competition; IEEE Intl. Symposium on Antennas and Propagation, 2011.
  4. Finalist in Best Student Paper Competition; IEEE Intl. Symposium on Antennas and Propagation, 2010.
  5. Honorable Mention in Best Student Paper Competition; IEEE Intl. Symposium on Antennas and Propagation,
    2009.
  6.  Recipient of the Michigan State University Graduate Fellowship, 2009.
  7. General Electric Outstanding Scholar Award (2003).
  8. Best Paper Award at the National Symposium on Virtual Instrumentation, INDIA (2002)