Page 25 - ASME SMASIS 2017 Program

Awards
Biographies
Dr. Mahdi Bodaghi graduated from the IA University, Tehran branch with
Bachelor degree in Mechanical Engineering in 2007; and subsequently
obtained his MSc and PhD from S. Bahonar University of Kerman and
Amirkabir University of Technology in 2010 and 2015, respectively. He has
been working as a Postdoctoral Research Fellow at The Chinese
University of Hong Kong. His research is focused on theoretical and
experimental study of shape memory materials, computational materials
science, biomechanics, soft materials, piezoelectric materials, and 3/4D
printing technology.
Dr. Alireza Damanpack graduated from the IA University, Arak branch with
Bachelor degree in Mechanical Engineering in 2005; and subsequently
obtained his MSc and PhD from Khaje Nasir Tousi and Amirkabir
Universities of Technology in 2007 and 2015, respectively. He has been
working as a Postdoctoral Research Fellow at the Chinese University of
Hong Kong. He possesses experience in theoretical and experimental
study of shape memory materials, computational materials science,
biomechanics, soft materials, piezoelectric materials, and 3/4D printing
technology.
Prof. Wei-Hsin Liao received his PhD in Mechanical Engineering from The
Pennsylvania State University, University Park, USA. Since August 1997, Dr. crystals. She computationally and experimentally explored various mirror
Liao has been with the Department of Mechanical and Automation
Engineering at The Chinese University of Hong Kong, where he is
currently Professor and Associate Dean (Student Affairs), Faculty of
Engineering. He currently serves as an Associate Editor for Journal of
Intelligent Material Systems and Structures, as well as Smart Materials and Award in the 2016 ASME SMASIS (Energy Harvesting Symposium). More
Structures. Dr. Liao is a Fellow of ASME, HKIE, and IOP.
2017 BEST PAPER IN ENERGY HARVESTING
Serife Tol, F. Levent Degertekin, and Alper Erturk, 2016, “Gradient-Index
Phononic Crystal Lens-based Enhancement of Elastic Wave Energy
Harvesting,” Applied Physics Letters, 109(6): 063902.
Serife Tol
F. Levent Degertekin
Alper Erturk
Abstract
We explore the enhancement of structure-borne elastic wave energy
harvesting, both numerically and experimentally, by exploiting a Gradient-
Index Phononic Crystal Lens (GRIN-PCL) structure. The proposed
GRIN-PCL is formed by an array of blind holes with different diameters on
an aluminum plate, where the blind hole distribution is tailored to obtain a
hyperbolic secant gradient profile of refractive index guided by finite-
element simulations of the lowest asymmetric mode Lamb wave band
diagrams. Under plane wave excitation from a line source, experimentally
measured wave field validates the numerical simulation of wave focusing
within the GRIN-PCL domain. A piezoelectricenergy harvester disk located
at the first focus of the GRIN-PCL yields an order of magnitude larger
power output as compared to the baseline case of energy harvesting
without the GRIN-PCL on the uniform plate counterpart.
Biographies
Dr. Serife Tol received her Ph.D. in Mechanical Engineering from Georgia
Institute of Technology in 2017. She conducted her graduate research
under the guidance of Prof. Alper Erturk and Prof. Levent Degertekin. Her
PhD research was on the enhancement of elastic wave energy harvesting
by exploiting concepts from acoustic/elastic metamaterials and phononic
and lens concepts for the spatial focusing and harvesting of structure-
borne propagating waves using piezoelectric transduction. Part of her
dissertation work on the gradient-index phononic crystal lens-based
energy harvesting enhancement won the symposium-level Best Paper
recently she became a recipient of the ASME Energy Harvesting Best
Paper Award (2017). Dr. Tol published in various prestigious journals such
as Applied Physics Letters, Wave Motion, and Mechanical Systems and
Signal Processing. She received her B.S. and M.S. degrees in Mechanical
Engineering from METU (Ankara, Turkey) in 2009 and 2012, respectively.
Dr. F. Levent Degertekin received the B.S. degree from METU, Ankara,
Turkey, in 1989, the M.S. degree from Bilkent University, Ankara, in 1991,
and the Ph.D. degree from Stanford University, Stanford, CA, USA, in 1997,
all in electrical engineering. He worked at the E. L. Ginzton Laboratory at
Stanford University as a Visiting Scholar during the 1992–1993 academic
year and then as an Engineering Research Associate from 1997 to 2000.
Currently, he holds the G. W. Woodruff Chair in Mechanical Systems, and is
a Professor at the G. W. Woodruff School of Mechanical Engineering and
the School of Electrical and Computer Engineering, Georgia Institute of 25
Technology, Atlanta, GA, USA. His research interests have been in micro
machined acoustic and opto-acoustic devices, medical ultrasound
imaging bioanalytical instrumentation, and atomic force microscopy. He
has authored more than 50 U.S. patents and 100 journal publications. Dr.
Degertekin was an Associate Editor for the IEEE Sensors Journal and
currently serves as an Associate Editor for the IEEE Transactions on
Ultrasonics, Ferroelectrics and Frequency Control. He also serves on the
Technical Program Committee of the IEEE Ultrasonics Symposium. He
received an NSF CAREER award for his work on ultrasonic atomic force
microscopy in 2004, and with his students, the IEEE Ultrasonics,
Ferroelectrics, and Frequency Control (UFFC) Society 2004 Outstanding
Paper award, and most recently the IEEE UFFC Society 2014 Carl Hellmuth
Hertz Ultrasonic Achievement Award.