Electrical International
Resume:
Zhiwei Zeng
Professor, Department of Aeronautics
School of Physics & Mechanical & Electrical Engineering
Xiamen University
Xiamen, Fujian 361005, China
Phone: 86 +158-****-**** Fax: 86 + 592-***-****
E-mail: ****@***.***.**
RESEARCH AREAS
Nondestructive evaluation
Computational and applied electromagnetics
Applied statistics
Signal/image processing
Cooking
EDUCATION
Ph.D., electrical engineering, 2003, Iowa State University, Ames, Iowa 50011, U.S.A.
B.Sc., electronics engineering, 1996, Nanjing University of Aeronautics & Astronautics, Nanjing,
Jiangsu 210016, China
PROFESSIONAL EXPERIENCE
Xiamen University, Department of Aeronautics
Xiamen, Fujian 361006, China
05/2009 present
Professor
Michigan State University, Department of Electrical & Computer Engineering
East Lansing, Michigan 48824, U.S.A.
08/2008 07/2009
Visiting Senior Research Associate
07/2003 07/2008
Visiting Research Associate
Center for Nondestructive Evaluation, Ames Laboratory, U.S. Department of Energy
Iowa State University, Department of Electrical & Computer Engineering
Ames, Iowa 50011, U.S.A.
Predoctoral Associate 01/2003 06/2003
Research Assistant 05/1999 12/2002
Iowa State University, Department of Electrical & Computer Engineering
Ames, Iowa 50011, U.S.A.
Teaching Assistant 08/1998 05/1999
HONOR
Faculty Award, China Construction Bank / Xiamen University, 2011
1
Better Way Award, Federal Aviation Administration (FAA) / Air Transport Association (ATA),
U.S.A., 2005
PROFESSIONAL SERVICES
Conference Organization and Chairmanship
International Symposium on Development of Electromagnetic and Ultrasonic Testing
Technology 2012
Academic committee member, session co-chair
Far East Forum on NDE/NDT: New Technology & Application 2012
Session co-chair
2011 Global Chinese Forum on Nondestructive Testing
Standing committee member, editorial board member, session co-chair
Progress in Electromagnetics Research Symposium-PIERS 2011
Session co-chair
Sino-UK International Workshop on EM NDE 2010
Session co-chair
Progress in Electromagnetics Research Symposium-PIERS 2010
Session organizer, session chair
International Symposium on Applied Electromagnetics and Mechanics-ISEM 2007
Session co-chair, editorial board member, organizing committee member
Referee of Journals
Progress in Electromagnetics Research
Journal of Physics D: Applied Physics
IEEE Transactions on Magnetics
IEEE Transactions on Instrumentation & Measurement
Sensors
Nondestructive Testing and Evaluation
International Journal of Applied Electromagnetics and Mechanics
IET Microwaves, Antennas & Propagation
Measurement Science and Technology
Journal of Optics A: Pure and Applied Optics
Machine Vision and Applications
Research in Nondestructive Evaluation
Automation in Construction
Referee of Conferences
Prognostics and Health Management Conference 2010
Special issue of IEEE Transactions on Reliability
Progress in Electromagnetics Research Symposium-PIERS 2010
2
International Symposium on Applied Electromagnetics and Mechanics-ISEM 2009, 2007
Special issue of International Journal of Applied Electromagnetics and Mechanics
Soft Magnetic Materials-SMM 2009
Special issue of IEEE Transactions of Magnetics
IEEE International Magnetics Conference-INTERMAG 2008
Special issue of IEEE Transactions of Magnetics
International Conference on Computation in Electromagnetics-CEM 2008
Special issue of IET Science, Measurement & Technology
International Workshop on Electromagnetic Nondestructive Evaluation-ENDE 2007, 2006, 2004
PROFESSIONAL MEMBERSHIP
Senior Member, Institute of Electrical and Electronics Engineers (IEEE)
RESEARCH PROJECTS
To be updated
PUBLICATIONS
Journal
1. L. Huang, R. He, and Z. Zeng, "An extended iterative finite element model for simulating
eddy current testing of aircraft skin structure," IEEE Transactions on Magnetics, vol. 48, no.
7, Jul. 2012, pp. 2161-2165
2. G. Yang, Z. Zeng, Y. Deng, X. Liu, L. Udpa, A. Tamburrino, and S. S. Udpa, "3D EC-GMR
sensor system for detection of subsurface defects at steel fastener sites," NDT&E
International, vol. 50, 2012, pp. 20-28
3. Z. Zeng, Y. Deng, X. Liu, L. Udpa, S. S. Udpa, B. Koltenbah, R. Bossi, and G. Steffes, "EC-
GMR data analysis for inspection of multilayer airframe structures," IEEE Transactions on
Magnetics, vol. 47, no. 12, Dec. 2011, pp. 4745-4752
4. Z. Zeng, L. Udpa, and S. S. Udpa, "An efficient finite element method for modeling ferrite-
core eddy current probe," International Journal of Applied Electromagnetics and Mechanics,
vol. 33, no. 1-2, 2010, pp. 481-486
5. N. Lei, L. Udpa, S. Udpa, and Z. Zeng, "Rotating field eddy current (RoFEC)-probe for
steam generator inspection," International Journal of Applied Electromagnetics and
Mechanics, vol. 33, no. 3-4, 2010, pp. 1279-1285
6. S. C. Chan, R. Grimberg, J. A. Hejase, Z. Zeng, P. Lekeakatakunju, L. Udpa, and S. S. Udpa,
"Nonlinear eddy current technique for characterizing case hardening profiles," IEEE
Transactions on Magnetics, vol. 46, no. 6, Jun. 2010, pp. 1821-1824
7. Z. Zeng, L. Udpa, and S. S. Udpa, "Finite element model for simulation of ferrite-core eddy
current probe," IEEE Transactions on Magnetics, vol. 46, no. 3, Mar. 2010, pp. 905-909
8. G. Yang, A. Tamburrino, L. Udpa, S. S. Udpa, Z. Zeng, Y. Deng, and P. Que, "Pulsed eddy
current based GMR system for the inspection of aircraft structures," IEEE Transactions on
Magnetics, vol. 46, no. 3, Mar. 2010, pp. 910-917
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9. S. Thirunavukkarasu, B. P. C. Rao, S. Mahadevan, T. Jayakumar, B. Raj, Z. Zeng, L. Udpa,
and S. Udpa, "Three dimensional finite element modeling of remote field eddy current
technique for detection of localized defects," Research in Nondestructive Evaluation, vol. 20,
no. 3, 2009, pp. 145-158
10. Z. Zeng, L. Udpa, S. S. Udpa, and S. C. Chan, "Reduced magnetic vector potential
formulation in the finite element analysis of eddy current nondestructive testing," IEEE
Transactions on Magnetics, vol. 45, no. 3, Mar. 2009, pp. 964-967
11. X. Liu, Y. Deng, Z. Zeng, and L. Udpa, "Model based inversion technique using element-
free Galerkin method and state space search," IEEE Transactions on Magnetics, vol. 45, no.
3, Mar. 2009, pp. 1486-1489
12. Z. Zeng, L. Udpa, S. Udpa, L. Xuan, W. Shih, and G. Fitzpatrick, "Optimization of test
parameters for magneto-optic imaging using Taguchi's parameter design and response-model
approach," Research in Nondestructive Evaluation, vol. 19, no.3, 2008, pp. 164-180
13. X. Liu, Y. Deng, Z. Zeng, L. Udpa, and J. S. Knopp, "Model based inversion using element-
free Galerkin method," Materials Evaluation, vol. 66, no. 7, Jul. 2008, pp. 740-746 (Invited
paper)
14. Z. Zeng, X. Liu, Y. Deng, and L. Udpa, "Reduced magnetic vector potential and electric
scalar potential formulation for eddy current modeling," Przeglad Elektrotechniczny, Vol. 83,
No. 6, Jun. 2007, pp. 35-37 (Invited paper)
15. Y. Deng, Z. Zeng, A. Tamburrino, and L. Udpa, "Automatic classification of magneto-optic
image data for aircraft rivet inspection," International Journal of Applied Electromagnetics
and Mechanics, Vol. 25, No. 1-4, May 2007, pp. 375-382
16. Z. Zeng, X. Liu, Y. Deng, L. Udpa, L. Xuan, W. C. L. Shih, and G. L. Fitzpatrick, "A
parametric study of magneto-optic imaging using finite element analysis applied to aircraft
rivet site inspection," IEEE Transactions on Magnetics, Vol. 42, No. 11, Nov. 2006, pp.
3737-3744
17. X. Liu, Y. Deng, Z. Zeng, L. Udpa, and J. S. Knopp, "An element-free Galerkin model for
simulating magneto-optic imaging for aerospace applications," Materials Evaluation, Vol. 64,
No. 10, Oct. 2006, pp. 1009-1013
18. Z. Zeng, L. Udpa, and S. S. Udpa, "Modeling of anisotropic magnetic shields using the two-
scalar potential formulation," IEEE Transactions on Magnetics, Vol. 42, No. 10, Oct. 2006,
pp. 3147-3149
19. Y. Deng, X. Liu, Y. Fan, Z. Zeng, and L. Udpa, "Characterization of magneto-optic imaging
data for aircraft inspection," IEEE Transactions on Magnetics, Vol. 42, No. 10, Oct. 2006, pp.
3228-3230
20. N. V. Nair, V. R. Melapudi, H. R. Jiminez, X. Liu, Y. Deng, Z. Zeng, L. Udpa, T. J. Moran,
and S. S. Udpa, "A GMR based eddy current system for NDE of aircraft structures," IEEE
Transactions on Magnetics, Vol. 42, No. 10, Oct. 2006, pp. 3312-3314
21. Z. Zeng, L. Udpa, and S. Udpa, "Robust design of natural gas transmission pipeline
inspection tool using Taguchi method," Research in Nondestructive Evaluation, Vol. 17, No.
1, 2006, pp. 17-28
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22. L. Xuan, Z. Zeng, B. Shanker, and L. Udpa, "Meshless method for numerical modeling of
pulsed eddy currents," IEEE Transaction on Magnetics, Vol. 40, No. 6, Nov. 2004, pp. 3457-
3462
23. Z. Zeng, L. Xuan, Y. Sun, L. Udpa, and S. Udpa, "Probability of detection model for gas
transmission pipeline inspection," Research in Nondestructive Evaluation, Vol. 15, No. 3,
Jul.-Sep. 2004, pp. 99-110
24. L. Xuan, B. Shanker, Z. Zeng, and L. Udpa, "Element-free Galerkin method in pulsed eddy
currents," International Journal of Applied Electromagnetics and Mechanics, Vol. 19, No. 1-
4, 2004, pp. 463-466
25. L. Xuan, Z. Zeng, B. Shanker, and L. Udpa, "Element-free Galerkin method for static and
quasi-static electromagnetic field computation," IEEE Transaction on Magnetics, Vol. 40,
No. 1, Jan. 2004, pp. 12-20
Conference Proceedings/Digests
1. Z. Zeng, Y. Sun, and W. C. L. Shih, "Finite element simulation of eddy current testing,"
2011 Global Chinese Forum on Nondestructive Testing Proceedings, Xiamen-Jinmen, China,
Nov. 2011, pp. 329-335 (in Chinese)
2. G. Yang, Z. Zeng, Y. Deng, X. Liu, L. Udpa, and T. Chen, "Pulsed eddy current-GMR
inspection and image analysis of multilayer airframe structures," 2011 Global Chinese
Forum on Nondestructive Testing Proceedings, Xiamen-Jinmen, China, Nov. 2011, pp. 374-
378
3. Z. Zeng, L. Udpa, and S. S. Udpa, "Efficient finite element method for modeling ferrite-core
eddy current probe," Proceedings of 14th International Symposium on Applied
Electromagnetics and Mechanics-ISEM, Xi'an, China, Sep. 2009, pp. 177-178
4. Y. Deng, X. Liu, Z. Zeng, B. Koltenbah, R. Bossi, G. Steffes, and L. Udpa, "Automated
analysis of eddy current (EC) giant magneto resistive (GMR) data," Review of Progress in
Quantitative Nondestructive Evaluation-QNDE, D. O. Thompson and D. E. Chimenti, Eds,
American Institute of Physics, vol. 28, 2009, pp. 588-595
5. Z. Zeng, L. Udpa, S. S. Udpa, and M. S. C. Chan, "Ar,V-Ar formulation for computing eddy
currents due to background field," accepted for publication in the Digest Book of the 13th
Biennial IEEE Conference on Electromagnetic Field Computation-CEFC, Athens, Greece,
May 2008
6. X. Liu, Y. Deng, Z. Zeng, and L. Udpa, "Model based inversion technique using element-
free Galerkin method and state space search," accepted for publication in the Digest Book of
the 13th Biennial IEEE Conference on Electromagnetic Field Computation-CEFC, Athens,
Greece, May 2008
7. X. Liu, Y. Deng, Z. Zeng, L. Udpa, and J. S. Knopp, "Model based inversion technique of
GMR signal using element-free Galerkin method," Proceedings of the Annual Review of
Progress in Applied Computational Electromagnetics-ACES, Niagara Falls, Canada, Mar.
2008, pp. 221-226
8. Z. Zeng, Y. Deng, X. Liu, L. Udpa, S. Udpa, B. Koltenbah, R. Bossi, and G. Steffes,
"Detection of cracks under fastener heads by applying detection angle techniques in signal
processing," Proceedings of 13th International Symposium on Applied Electromagnetics and
Mechanics-ISEM, East Lansing, Michigan, USA, Sep. 2007, pp. 201-202
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9. Z. Zeng, K. Arunachalam, C. Lu, B. Shanker, and L. Udpa, "Element-free Galerkin method
in modeling microwave inspection of civil structures," Digest Book of the 12th Biennial IEEE
Conference on Electromagnetic Field Computation-CEFC, Florida, USA, Apr.-May 2006, pp.
268
10. Z. Zeng, L. Udpa, and S. S. Udpa, "Modeling of anisotropic magnetic shields using the two
scalar potential formulation," Digests of IEEE International Magnetics Conference-
INTERMAG, San Diego, California, USA, May 2006, pp. 157
11. Y. Deng, X. Liu, Y. Fan, Z. Zeng, and L. Udpa, "Characterization of magneto-optic imaging
data for aircraft inspection," Digests of IEEE International Magnetics Conference-
INTERMAG, California, USA, May 2006, pp. 898
12. G. Rubinacci, A. Tamburrino, A. Ventre, F. Villone, L. Udpa, L. Xuan, and Z. Zeng,
"Numerical simulation of magneto-optic eddy current imaging," Electromagnetic
Nondestructive Evaluation (VII)-ENDE, G. Dobmann (Eds.), IOS Process, Apr. 2006, pp.
180-188 (presented on the 8th International Workshop on Electromagnetic Nondestructive
Evaluation-ENDE, Saarbr cken, Germany, Jun. 2002)
13. X. Liu, Y. Deng, Z. Zeng, L. Udpa, and J. S. Knopp, "A parametric inversion technique in
nondestructive evaluation using element-free Galerkin model," Proceedings of the Annual
Review of Progress in Applied Computational Electromagnetics-ACES, Florida, USA, Mar.
2006, pp. 329-334
14. Y. Fan, Y. Deng, Z. Zeng, L. Udpa, W. Shih, and G. Fitzpatrick, "Aging aircraft rivet
inspection using magneto-optic imaging: automation and real-time image processing,"
Proceedings of the 9th Joint FAA/DoD/NASA Conference on Aging Aircraft, Georgia, USA,
Mar. 2006
15. X. Liu, Y. Deng, Z. Zeng, L. Udpa, and J. S. Knopp, "An element-free Galerkin model for
simulating magneto-optic imaging with application to aerospace industry," ASNT Fall
Conference and Quality Testing Show 2005 Paper Summaries, Ohio, USA, Oct. 2005, pp.
62-69
16. Y. Deng, Z. Zeng, A. Tamburrino, and L. Udpa, "Automatic classification of MOI for
aircraft rivet inspection," Proceedings of 12th International Symposium on Applied
Electromagnetics and Mechanics-ISEM, Bad Gastein, Austria, Sep. 2005, pp. 310-311
17. R. Harichandran, S. Hong, L. Udpa, and Z. Zeng, "EIS-based sensors for NDE of FRP-
strengthened concrete beams: experiments and finite element simulation," Proceedings of
2nd International Conference on FRP Composites in Civil Engineering-CICE, Adelaide,
Australia, Dec. 2004, pp. 281-289
18. Z. Zeng, B. Shanker, and L. Udpa, "Modeling microwave NDE using the element-free
Galerkin method," Electromagnetic Nondestructive Evaluation (IX)-ENDE, L. Udpa and N.
Bowler (Eds.), IOS Process, 2005, pp. 41-48 (presented on the 10th International Workshop
on Electromagnetic Nondestructive Evaluation, Michigan, USA, Jun. 2004)
19. Y. Deng, X. Liu, Z. Zeng, L. Udpa, S. Udpa, W. Shih, and G. Fitzpatrick, "Numerical studies
of magneto-optic imaging for probability of detection calculations," Electromagnetic
Nondestructive Evaluation (IX)-ENDE, L. Udpa and N. Bowler (Eds.), IOS Process, 2005, pp.
33-40 (presented on the 10th International Workshop on Electromagnetic Nondestructive
Evaluation, Michigan, USA, Jun. 2004)
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20. Z. Zeng, Y. Tian, S. Udpa, and L. Udpa, "Finite element modeling of the world federation's
second MFL benchmark problem," Review of Progress in Quantitative Nondestructive
Evaluation-QNDE, D. O. Thompson and D. E. Chimenti, Eds, American Institute of Physics,
vol. 700, no. 1, 2004, pp. 1553-1559 (presented on the 30th Annual Review of Progress in
Quantitative Nondestructive Evaluation, Wisconsin, USA, Jul. 2003)
21. Y. Tian, Y. Li, Z. Zeng, L. Udpa, and S. Udpa, "Simulation of the world federation's first
eddy current benchmark problem," Review of Progress in Quantitative Nondestructive
Evaluation-QNDE, D. O. Thompson and D. E. Chimenti, Eds, American Institute of Physics,
vol. 700, no. 1, 2004, pp. 1560-1566 (presented on the 30th Annual Review of Progress in
Quantitative Nondestructive Evaluation, Wisconsin, USA, Jul. 2003)
22. L. Xuan, B. Shanker, Z. Zeng, and L. Udpa, "Element-free Galerkin method in pulsed eddy
currents," Proceedings of 11th International Symposium on Applied Electromagnetics and
Mechanics-ISEM, Versailles, France, May 2003
23. Z. Zeng, L. Xuan, W. Shih, G. Fitzpatrick, and L. Udpa, "Application of Taguchi
methodology for optimizing test parameters in magneto-optic imaging," Review of Progress
in Quantitative Nondestructive Evaluation-QNDE, D. O. Thompson and D. E. Chimenti, Eds,
American Institute of Physics, vol. 22A, 2003, pp. 651-658 (presented on the 29th Annual
Review of Progress in Quantitative Nondestructive Evaluation, Washington, USA, Jul. 2002)
24. L. Xuan, Z. Zeng, B. Shanker, and L. Udpa, "Developments of a meshless finite element
model for NDE applications," Proceedings of the 18th Annul Review of Progress in Applied
Computational Electromagnetics-ACES, California, USA, Mar. 2002, pp. 63-70
25. Z. Zeng, L. Xuan, L. Udpa, and S. Udpa, "Modeling of current excitation waveforms for
magnetic particle inspection," Review of Progress in Quantitative Nondestructive Evaluation-
QNDE, D. O. Thompson and D. E. Chimenti, Eds, vol. 21, American Institute of Physics,
2002, pp. 1984-1990 (presented on the 28th Annual Review of Progress in Quantitative
Nondestructive Evaluation, Maine, USA, Jul. 2001)
26. L. Xuan, Z. Zeng, B. Shanker, and L. Udpa, "Meshless element-free Galerkin method in
NDT applications," Review of Progress in Quantitative Nondestructive Evaluation-QNDE, D.
O. Thompson and D. E. Chimenti, Eds, vol. 21, American Institute of Physics, 2002, pp.
1960-1967 (presented on the 28th Annual Review of Progress in Quantitative Nondestructive
Evaluation, Maine, USA, Jul. 2001)
27. Z. Zeng, P. Ramuhalli, L. Udpa, and S. Udpa, "Optimization of pipeline inspection tool
using Taguchi method," Electromagnetic Nondestructive Evaluation (VI)-ENDE, F. Kojima
et al (Eds.), IOS Process, 2002, pp. 203-210 (presented on the 7th International Workshop on
Electromagnetic Nondestructive Evaluation, Kobe, Japan, May 2001)
Other Conference Presentations
1. M. Luo and Z. Zeng, "Three-dimensional Finite Element Modeling of Pulsed Eddy Current
Testing," International Symposium on Development of Electromagnetic and Ultrasonic
Testing Technology, Nanchang, China, Aug. 2012
2. J. Chen, P. An, and Z. Zeng, "Modeling Eddy Current Testing of Aircraft Skin Structure
Using Domain Decomposition Finite Element Method," International Symposium on
Development of Electromagnetic and Ultrasonic Testing Technology, Nanchang, China, Aug.
2012
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3. M. Luo, L. Huang, C. Liu, and Z. Zeng, "Defect Characterization Using Frequency
Components of Pulsed Eddy Current Signal," Far East Forum on NDE/NDT: New
Technology & Application, Hefei, China, May 2012
4. Y. Deng, Z. Zeng, and X. Liu, "Electromagnetic imaging in nondestructive evaluation:
industrial and medical applications," Progress in Electromagnetics Research Symposium-
PIERS, Suzhou, China, Sep. 2011
5. L. Huang, R. He, Z. Zeng, Y. Deng, and X. Liu, "Review of finite element method for
simulating eddy current testing," Progress in Electromagnetics Research Symposium-PIERS,
Suzhou, China, Sep. 2011
6. R. He, L. Huang, and Z. Zeng, "Domain-decomposition finite element method for eddy
current modeling," Progress in Electromagnetics Research Symposium-PIERS, Suzhou,
China, Sep. 2011
7. G. Yang, Y. Deng, Z. Zeng, X. Liu, L. Udpa, and Y. Yang, "Invariant analysis of sensor-tilt
effect in eddy current NDE," Progress in Electromagnetics Research Symposium-PIERS,
Suzhou, China, Sep. 2011
8. G. Yang, Z. Zeng, Y. Deng, X. Liu, L. Udpa, A. Tamburrino, and S. S. Udpa, "EC-GMR
detection of subsurface defects at steel fastener sites in multilayer structures," 38th Annual
Review of Progress in Quantitative Nondestructive Evaluation-QNDE, Burlington, USA, Jul.
2011
9. N. Lei, G. Yang, L. Udpa, S. S. Udpa, and Z. Zeng, "Modeling of new eddy current probes in
steam generator inspection," 38th Annual Review of Progress in Quantitative Nondestructive
Evaluation-QNDE, Burlington, USA, Jul. 2011
10. R. He, L. Huang, and Z. Zeng, "Efficient finite element analysis of eddy current testing," Far
East Forum on NDE/NDT: New Technology & Application, Hangzhou, China, May 2011
11. Z. Zeng, "Eddy current testing: theory and methodology," Sino-UK International Workshop
on EM NDE, Nanjing, China, Aug. 2010
12. G. Yang, Z. Zeng, L.Udpa, S. S. Udpa, "Computational modeling of EC-MR inspection of
rivets in multilayer aircraft geometry," 15th International Workshop on Electromagnetic
Nondestructive Evaluation-ENDE, Szczecin, Poland, Jun. 2010
13. S. C. Chan, R. Grimberg, J. A. Hejase, Z. Zeng, P. Lekeakatakunju, L. Udpa, and S. S. Udpa,
"Development of a nonlinear eddy current technique for estimating case hardening depths,"
15th International Workshop on Electromagnetic Nondestructive Evaluation-ENDE,
Szczecin, Poland, Jun. 2010
14. Z. Zeng, "Efficient finite element model for simulating eddy current testing of aircraft skin
structures," Progress in Electromagnetics Research Symposium-PIERS, Xi'an, China, Mar.
2010
15. N. Lei, Z. Zeng, S. Udpa, and L. Udpa, "Rotating field eddy current probe for steam
generator tube inspection," 14th International Symposium on Applied Electromagnetics and
Mechanics-ISEM, Xi'an, China, Sep. 2009
16. Z. Zeng, N. Lei, S. Majumdar, S. Ramakrishnan, C. E. Bardel, P. Lekeakatakunju, P.
Ramuhalli, L. Udpa, and T. Bipes, "Simulation of eddy current steam generator tube testing
in nuclear power plants," 14th International Workshop on Electromagnetic Nondestructive
Evaluation-ENDE, Dayton, USA, Jul. 2009
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17. G. Yang, L. Udpa, S. Udpa, and Z. Zeng, "Modeling of sensor tilt in eddy current - GMR
inspection and its use in POD estimation," 36th Annual Review of Progress in Quantitative
Nondestructive Evaluation-QNDE, Kingston, USA, Jul. 2009
18. X. Liu, Y. Deng, Z. Zeng, L. Udpa, and J. S. Knopp, "A model-based inversion using state
space representation and tree search techniques," 35th Annual Review of Progress in
Quantitative Nondestructive Evaluation-QNDE, Chicago, USA, Jul. 2008
19. B. Naimipour, X. Liu, Z. Zeng, B. Koltenbah, R. Bossi, G. Steffes, and L. Udpa, "Effect of
foil tilt on eddy current magneto-resistive (MR) sensor signals," 35th Annual Review of
Progress in Quantitative Nondestructive Evaluation-QNDE, Chicago, USA, Jul. 2008
20. Z. Zeng, N. Lei, L. Udpa, S. S. Udpa, P. Ramuhalli, J. Benson, R. Williams, and T. Bipes,
"Applications of simulation model for eddy current SG inspection," 27th Annual EPRI Steam
Generator NDE Workshop, Palm Desert, California, USA, Jul. 2008
21. Y. Deng, X. Liu, Z. Zeng, B. Koltenbah, R. Bossi, G. Steffes, and L. Udpa, "Feature based
analysis of magneto-resistance sensor data for nondestructive testing applications," 13th
International Workshop on Electromagnetic Nondestructive Evaluation-ENDE, Seoul, Korea,
Jun. 2008
22. X. Liu, Y. Deng, B. Naimipour, D. Conger, Z. Zeng, and L. Udpa, "Evaluation of EC and
GMR sensor response via numerical modeling," ASNT Fall Conference and Quality Testing
Show, Las Vegas, Nov. 2007
23. B. Koltenbah, R. Bossi, G. Steffes, L. Udpa, Y. Deng, X. Liu, and Z. Zeng, "Electromagnetic
modeling of magneto-resistive sensors," ASNT Fall Conference and Quality Testing Show,
Las Vegas, Nov. 2007
24. Z. Zeng, P. Ramuhalli, L. Udpa, and J. Benson, "Interactive simulation model for eddy
current SG inspection," 26th Annual EPRI Steam Generator NDE Workshop, Big Sky,
Montana, USA, Jul. 2007
25. Z. Zeng, X. Liu, Y. Deng, and L. Udpa, "Reduced magnetic vector potential and electric
scalar potential formulation for eddy current modeling," XIV International Symposium on
Theoretical Electrical Engineering-ISTET, Szczecin, Poland, Jun., 2007 (Invited lecture)
26. X. Liu, Y. Deng, Z. Zeng, L. Udpa, and J. S. Knopp, "Improved element-free Galerkin
method for modeling electromagnetic NDE," 12th International Workshop on
Electromagnetic Nondestructive Evaluation-ENDE, Wales, United Kingdom, Jun. 2007
27. L. Udpa, X. Liu, Y. Deng, Z. Zeng, and J. S. Knopp, "Iterative inversion technique for
electromagnetic NDE using state space representation for cracks," 2007 Inverse Problem
Symposium, Michigan, USA, Jun. 2007
28. Z. Zeng, L. Udpa, and S. S. Udpa, "POD Studies for MFL Inspection of Gas Transmission
Pipelines," ASNT 16th Annual Research Symposium, Florida, USA, Mar. 2007
29. X. Liu, Y. Deng, Z. Zeng, L. Udpa, and J. S. Knopp, "An element-free Galerkin model for
simulating magneto-optic imaging," ASM International's 16th Advanced Aerospace
Materials & Processes Conference and Exposition, Florida, USA, Jun. 2005
30. R.Nagendran, R.Baskaran, D.K.Baisnab, M.P.Janawadkar, Y.Hariharan, T.Jayakumar, B. Raj,
Y. Li, Z. Zeng, and S. Udpa, "Characterization of defects using SQUID sensors," National
Seminar of ISNT, Pune, India, Dec. 2004
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31. Y. Deng, X. Liu, Z. Zeng, L. Udpa, S. Udpa, W. Shih, and G. Fitzpatrick, "Development of
an automatic defect detection/classification capability for the MOI," ATA's 47th Annual
Non-Destructive Testing Forum, New Mexico, USA, Sept. 2004
32. Z. Zeng, B. Shanker, S. Udpa, and L. Udpa, "Modeling of the world federation's second
MFL benchmark problem using element-free Galerking method," 31th Annual Review of
Progress in Quantitative Nondestructive Evaluation-QNDE, Colorado, USA, Jul. 2004
33. Z. Zeng, L. Xuan, B. Shanker, L. Udpa, and L. Kempel, "Element-free Galerkin method for
solving wave equations," 2003 USNC/URSI National Radio Science Meeting, Ohio, USA,
Jun. 2003
34. L. Xuan, Z. Zeng, L. Udpa, W. Shih, and G. Fitzpatrick, "Finite element modeling of
magneto-optic imaging for nondestructive evaluation applications," IEEE 47th Annual
Conference on Magnetism & Magnetic Materials-MMM, Florida, USA, Nov. 2002
35. Y. Sun, T. Ouyang, S. Udpa, and Z. Zeng, "Detecting compressive residual stress in carbon
steel specimens of flat geometries using the remote-field eddy current technique," 28th
Annual Review of Progress in Quantitative Nondestructive Evaluation-QNDE, Maine, USA,
Jul. 2001
10
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