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2013 年 07 月 22 日
Seminar - Ultrasonic and Electromagnetic Waves for NDE and SHM by Prof. Tribikram Kundu

Date:   22 July 2013 (Monday)

Time:   11:00 am – 12:00 pm

Venue:  EF305, The Hong Kong Polytechnic University

Abstract:

Use of ultrasonic and electromagnetic waves is continuously increasing for nondestructive evaluation (NDE) and structural health monitoring (SHM) in civil, aerospace, electrical, mechanical and biomedical engineering applications.  Between bulk waves and guided waves the latter is becoming more popular for NDE/SHM applications because the guided waves can propagate long distances and reach regions that are difficult to access otherwise.  Recent advances in research related to NDE and SHM of various structures using ultrasonic guided waves and electromagnetic waves will be discussed with experimental results.  To analyze the experimental results often one needs to understand the mechanics of wave propagation in the appropriate problem geometries.  Unfortunately, only for simple structures, such as unbounded solids, homogeneous and layered half-spaces, plates, rods and pipes, the analytical solutions are available.  Complex structures with internal defects are difficult to solve analytically or numerically by the popular finite element method because the size of the finite elements becomes prohibitively small at high frequencies.  An alternative mesh-free technique called the distributed point source method (DPSM) is being developed for solving such problems and will be presented along with the experimental results.

Biosketch:

In 1979 Professor Kundu received his bachelor degree in Mechanical Engineering from IIT Kharagpur, where he was the winner of the President of India Gold Medal. He went to UCLA for graduate study as a recipient of the Regents' Fellowship. After completing MS and PhD from UCLA he joined the University of Arizona in 1983 as an Assistant Professor and was promoted to Full Professor in 1994. So far he has supervised 31 PhD and 22 MS students. Professor Kundu’s major research contributions have been in structural health monitoring and nondestructive evaluation using ultrasonic and electromagnetic waves.  He has published 7 books (2 text books and 5 research monographs), 15 book chapters and 285 technical papers; 139 of those in refereed scientific journals. According to Google Scholar his publications have been cited 2975 times with an h-index of 29.  His research contributions have been recognized by the Humboldt foundation of Germany through their Humboldt Research Prize (Senior Scientist Award) in 2003 and Humboldt Fellowship awards in 1989 and 1996.  He has also received 2012 NDE Life Time Achievement Award from SPIE (the International Society for Optics and Photonics), 2008 Person of the Year recognition from the Structural Health Monitoring Journal, a number of Invited Professorships from France, Germany, Sweden, Switzerland, Spain, South Korea and Japan, and Fellow recognitions from ASME, ASCE, ASNT and SPIE. He has delivered a number of plenary and keynote talks in scientific conferences in USA and abroad.