Vinay Dayal
Title(s):
Associate Professor
Engineering Associate, Center for Nondestructive Evaluation
Office
2353 Howe537 Bissell Rd.
Ames, IA 500111096
Information
Information
Links
- Dayal Research Page
- Personal Page
- Dayal CV-Short
- Dayal CV
- Google Citation
Education
Ph.D. Aerospace Engineering, Texas A&M University, 1987
M.S. Engineering Mechanics, University of Missouri-Rolla, 1983
B.S. Aeronautical Engineering, Indian Institute of Technology (Kanpur), 1972
Awards and Honors
- Hetenyi Award, 1991 for the best research paper in Experimental Mechanics.
- Included in MARQUIS “Who’s Who in Science and Engineering.”
Teaching
Undergrad: AerE 321 Flight Structures Analysis, AerE 423 Composite Aircraft Structures, AerE 421 Advanced Aircraft Structures, AerE 426 Aircraft Structural Design, AerE 422 Structures Lab, EM 324 Mechanics of Materials.
Graduate: AerE/EM 521 Airframe Analysis, AerE 569 Mechanics of Composites, AerE 522 Design with Composites, EM 525 Finite Element Analysis, EM 517 Experimental Mechanics.
Research
Interest Areas:
- Composite materials
- NDE of composites by ultrasound
- Experimental stress analysis
- Finite element analysis
Selected Sponsored Projects: $5.3 M total from 43 grants including 9 federal ( DoD, DOE, etc.), 2 state, 32 industry.
- Facilitating Industry by Engineering Roadmapping and Science (FIBERS) to Advance US Manufacturing of Composites, with Matt Frank (IMSE), NIST, $58,000,
- Composite Standards Calibration Kit for Interchangeable use in NDE, Innoveyda/U.S. Air Force, May 2014-Nov.2014, $48,805.
- Innovative Offshore Vertical-Axis Wind Turbine Rotor, with Matt Frank (PI), Frank Peters (IMSE) and John Jackman (IMSE), Jan 2009-Aug. 2016, $101,899.
- NDE Research on Wind Turbine Blades, State of Iowa/TPI, with Dan Barnard (CNDE), Jan 2013-Dec 2013, $39,927.
- NDE of Body Armor, US Army, with Dave Hsu (CNDE), July 2008-Sept 2010, $135,692.
- Redesign of a Composite Helmet, in Vince Safety Systems, Jan 2014-June 2015, $101,899.
- AMII- Ultrasonic Evaluation of Wind Blades to improve Reliability and Productivity, with Matt Frank (IMSE), France Peters (IMSE) and John Jackman (IMSE), July 2009-June 2012, $1,053,000
- Design and Analysis of a Typical Fireplace, Hearth & Homes Tech, Jan 2008-Jan 2009, $45,165
- Extreme Winds Near Ground and Their Damaging Effects on the Built Environment, from NOAA, with PI:PP Sarkar, Haan, Hu, Gallus, Takle, $923,241
- Development of Air-Coupled Inspection for Carbon Composite Wing Spar, from FAA, with Dave Hsu (CNDE), Jan 2006-Dec 2006, $145,000.
Publications
Selected Publications: (of 147 pubs. including 36 journals, 4 book chapters, 4 patents; h-index (Google): 14)
- Livings, R., Dayal, V., Barnard, D. Air-Coupled Ultrasonic Resonance Imaging of Hexagonal SiC and Alumina Tiles, Journal of Nondestructive Evaluation, Vol. 36: 15(1).
- Livings, R., Dayal, V., Barnard, D. (2016). “Damage Detection in a Multi-Layered, Multi-Material Composite Using Air-Coupled Ultrasonic Resonance Imaging,” Journal of Nondestructive Evaluation, Vol. 35.
- Chakrapani, S.K., Barnard, D., Dayal, V. “Influence of Laminate Sequence and Fabric Type on the Inherent Acoustic Nonlinearity in Carbon Fiber Reinforced Composites,” Journal of the Acoustical Society of America, Vol. 139(5), pp. 2310-2319.
- Chakrapani, S.K., Barnard, D., Dayal, V. (April 2016). “Nonlinear forced vibration of carbon fiber/epoxy prepreg composite beams: Theory and experiment,” Composites Part B, Vol. 91, pp. 513-521.
- Chakrapani, S.K., Barnard, D., Dayal, V. (Sept. 2015). “Finite element simulation of core inspection in helicopter rotor blades using guided waves,” Ultrasonics, Vol. 62, pp. 126-135.
- Dayal, V. (Oct. 2009). “Conceptual design of unpressurized shelters on lunar surface,” Journal of Aerospace Engineering, 22(4), pp. 396-402.
- Kumar, N., Dayal, V., Sarkar, P.P. (June 2012). “Failure of wood-framed low-rise building under tornado wind loads,” Engineering Structures, 39, pp. 79-88.
- Dayal, V. (2014). “Conceptual design of pressurized shelters on the lunar surface,” Journal of Aerospace Engineering, 27(1), pp. 33-39.
- Dayal, V., Hsu, D.K., Kite, A.H. (2007). “Air-coupled ultrasound – a new paradigm in NDE,” Proctor of the Mechanical Engineering Congress and Exposition, Nov. 11-15, Seattle, WA.
- Dayal, V. (1992). “An automated simultaneous measurement of thickness and wave speed by ultrasound,” Experimental Mechanics, 32(3), pp. 197-202.
- Hsu, D.K., Dayal, V. (1998). “Ultrasonic Newton’s Rings,” Applied Physics Letters, 60(10), pp. 1169-1171.
- Dayal, V. (1998). “Fourier transformation for non-destructive evaluation,” Journal of the Acoustical Society of America, 104(3), pp. 1789.
- Mohammed, I., Dayal, V. (1994). “Micro-macro crack interaction in composites,” Engineering Fracture Mechanics, 49(5), pp. 647-659.