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Personal webpage of

Dr. Dilbag SINGH

PANJAB UNIVERSITY

UGC - Assistant Professor

Department of Mathematics

PANJAB UNIVERSITY

Sector 14, Chandigarh 160014, INDIA

Google Scholar : http://scholar.google.co.in/citations?user=FAesxpwAAAAJ&hl=en

Researchgate Profile: https://www.researchgate.net/profile/Dilbag_Singh/

Free Software for LAMB WAVE Dispersion curves in plates written by me and my colleague (Mr. Mechri) in Lab: Download or email me for a free copy

Sample Image of Lamb wave dispersion calculation by our software:

Phase velocity dispersion curves in 6 mm composite plate

Research Interests:

  • Guided waves for defect sizing in plates

  • Ultrasonic methods for Nondestructive Evaluation, Structural Health Monitoring

  • Elastic wave scattering

  • Computational methods for modelling elastic wave phenomena

  • Material characterization

  • Wave phenomenon in Micropolar elastic media

  • Numerical modeling of guided waves in composite plates using COMSOL and Matlab

Scientific Experience:

  • UGC-Assistant Professor (February 2014 till date), Panjab University, Chandigarh, India.

  • PostDoc (January 2011- November 2013), Laboratoire d’Acoustique de l’Université du Maine (LAUM), Universite du Maine, France.

  • PostDoc (October 2008- October 2010), Laboratoire de Mécanique Physique (LMP), Universite de Bordeaux 1, France.

Research Experience:

  • Ph.D. (Mathematics) 2008.

Awards:

  1. Awarded CSIR-Senior Research Fellowship August 2006 – October 2008.

  2. Awarded CSIR-Junior Research Fellowship July, 2004- July 2006.

  3. Awarded N.B.H.M. Scholarships by National Board for Higher Mathematics, Government of India in B.Sc. (Honours School) in Mathematics during 1styear.

  4. Awarded N.B.H.M. Scholarships by National Board for Higher Mathematics, Government of India in B.Sc. (Honours School) in Mathematics during 2nd year.

  5. Awarded N.B.H.M. Scholarships by National Board for Higher Mathematics, Government of India in B.Sc. (Honours School) in Mathematics during 3rd year

  6. Stood THIRD in order of merit in B.Sc. (Honours School) in Mathematics Examination in Panjab University.

  7. Travel grant and other expenses are provided to me by National Board for Higher Mathematics, Department of Atomic Energy, Government of INDIA to attend a “ICIAM 07 (International Conference of Industrial and Applied Mathematics), to be held at Zurich, Switzerland during 16-20 July, 2007”

Recent Publications on ultrasonic guided waves :

(In peer reviewed International Journals) :

[1] Dilbag Singh, M. Castaings and C. Bacon, (2011) “Sizing strip-like defects in plates using guided waves”, NDT&E International, Volume 44, Issue 5, 394-404.

[2] Dilbag Singh and M. Castaings (2010), Defect sizing using ultrasonic plate.Congres Francais d'Acoustic. Proceedings of the Congrès Français d’Acoustique, CFA 2010/224.

[3] Dilbag Singh, M. Castaings, (2011) “Sizing disbonds between a stiffener and a composite plate using ultrasonic guided waves” Review of progress in quantitative nondestructive evaluation, Volume 30, 697-704.

[4] D. Zakharov, M. Castaing and Dilbag Singh, (2011) “Numerical and asymptotic approach for evaluating complex wave-numbers of guided modes in viscoelastic plates, Journal of Acoustical Society of America (JASA), 130(2), 764-771.

[5] M. Castaings, Dilbag Singh and P. Viot, (2012) " Sizing of impact damage in composite materials using ultrasonic guided waves, NDT&E International, Volume 46, 22–31.

[6] Dilbag Singh, R. El. Guerjouma and M Bentahar, (2012) " Interaction of fundamental Lamb modes with a point impact damaged zone in composite plates, Proceedings of the Acoustics 2012, 2423-2428.

[7] Dilbag Singh, M Bentahar, C. Mechri and R. El. Guerjouma, (2014) " Interaction of SH0 guided wave with a conical shaped point impacted damaged zone in a composite plate" Proceedings of 13th International Symposium on Nondestructive Characterization of Materials (NDCM-XIII) , 20-24 May 2013, Le Mans, France

Reviewer for International peer reviewed Journals:

Inverse Problems (Institute of Physics, UK), Journal of Acoustical Society of America (USA), Multidiscipline Modeling in Materials and Structures(MMMS) (China) and many more.

Few snapshots of Lab experiments and numerical tools :

Figure: Material Characterization using guided waves

Figure: 3D COMSOL numerical modeling for guided waves

Figure: Scattering of A0 guided waves with defect in a composite plate

Figure: Propagation of SH0 guided waves in a composite plate

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About me: I am currently working as an UGC - Assistant Professor at the Department of Mathematics, Panjab University, Chandigarh, INDIA. I am appointed by University Grant Commission (UGC) and Ministry of Human Resource Development (MHRD), Govt. of India. I have a five year post-doctoral research experience in experiments and numerical modeling of ultrasonic guided waves from world renowned French institutes.

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Email: kahlondilbag@yahoo.com

Last updated on March 2014