Dr. Abdessattar Abdelkefi

Photo of Dr. Abdessattar Abdelkefi

Associate Professor

Ph.D., Virginia Tech., 2012
 

Tel: (575) 646-6546

Email: abdu@nmsu.edu

Office: Jett Hall, Room 108


Lab

Nonlinear Dynamics & Energy Harvesting Laboratory (NDEHL)
Google Scholar: Articles & Citations

Research Interests

Dynamics & Vibrations, Aeroelasticity and Fluid Structure Interaction, Robotics and Controls.

Dynamical systems, Drones MAV/UAV, Vibration and control, Energy harvesting, Smart structures, MEMS & NEMS, Nonlinear dynamics, Structural mechanics, Flight dynamics, Experimental identification, Reduced-order modeling, Fluid-structure interactions, Renewable energy (wind turbines).

Awards & Honors

  • 2020 Outstanding Research Professor, MAE Academy, New Mexico State University.
  • Teaching-Research-Service Synergy Award, College of Engineering, New Mexico State University.
  • 2019 Early Career Award, University Research Council, New Mexico State University.
  • 2019 Outstanding Research Professor, MAE Academy, New Mexico State University.
  • Los Alamos NMC Joint Faculty Appointee, February 2019.
  • Listed in Who’s Who in America 2015.
  • Best Paper Award “Piezoelectric energy harvesting from morphing wing motions for micro air vehicles” Theoretical & Applied Mechanics Letters (TAML) 2013
  • The Amir Chand and Dewki Bai Batra Scholarship of the Department of Engineering Science and Mechanics at Virginia Tech, Spring 2012.
  • Bechtel Graduate Travel Fellowship “available on a yearly basis for ten EM doctoral students of the Department of Engineering Science and Mechanics at Virginia Tech”, Spring 2012.
  • Liviu Liberscu Memorial Scholarship of the Department of Engineering Science and Mechanics at Virginia Tech, rewarded based on the criteria of “having the potential for scholarly achievement in teaching and research, and a demonstrated dedication to the welfare and well-being of others.”, Spring 2011.

Publications

 

Books

  1. Energy Harvesting from Ambient and Aeroelastic Vibrations, Abdelkefi, A., Nayfeh, A. H., and Hajj, M. R., LAP LAMBERT Academic Publishing, 2012.

Book Chapters

  1. Abdelkefi, A., 2015, Nonlinear dynamics and design of aeroelastic energy harvesters, chapter in Innovative Materials and Systems for Energy Harvesting Applications, IGI Global.
  2. Abdelkefi, A., 2015, Modeling and performance enhancement of low-frequency energy harvesters, chapter in Innovative Materials and Systems for Energy Harvesting Applications, IGI Global.
  3. Olumoye, O., Throneberry, G., Garcia, A., Valera, L., Abdelkefi, A., and Ceberio, M., 2019, Solving Large Dynamical Systems by Constraint Sampling. Communications in Computer and Information Science (pp. 3-15). Springer International Publishing.

Journal Publications

2020
  1. Mehmood, A., Abdelkefi, A., Hajj, M.R. and Akhtar, I., 2020. On the onset of bifurcation and nonlinear characterization of vortex-induced vibrations under varying initial conditions. Nonlinear Dynamics, 99, 575-592.
  2. Naseer, R., Dai, H., Abdelkefi, A. and Wang, L., 2020. Comparative study of piezoelectric vortexinduced vibration-based energy harvesters with multi-stability characteristics. Energies, 13, 71.
  3. Najar F, Ghommem M, Abdelkefi A. 2020, Multifidelity modeling and comparative analysis of electrically coupled microbeams under squeeze-film damping effect. Nonlinear Dynamics, 99, 445-60.
  4. Larkin, K., Ghommem, M., Hunter, A. and Abdelkefi, A., 2020. Nonlinear size dependent analysis and effectiveness of nanocrystalline micro/nanogyroscopes. Physica E: Low-dimensional Systems and Nanostructures, 117, 113808.
  5. Zhou, K., Dai, H.L., Abdelkefi, A. and Ni, Q., 2020. Theoretical modeling and nonlinear analysis of piezoelectric energy harvesters with different stoppers. International Journal of Mechanical Sciences, 166, 105233.
2019
  1. Throneberry, G., Hassanalian, M. and Abdelkefi, A., 2019. Insights into sensitivity of wing shape and kinematic parameters relative to aerodynamic performance of flapping wing nano air vehicles. Drones, 3, 49.
  2. Edgerton, K., Throneberry, G., Takeshita, A., Hocut, C.M., Shu, F. and Abdelkefi, A., 2019. Numerical and experimental comparative performance analysis of emerging spherical-caged drones. Aerospace Science and Technology, 95, 105512.
  3. Zhang, L.B., Dai, H.L., Abdelkefi, A., Lin, S.X. and Wang, L., 2019. Theoretical modeling, wind tunnel measurements, and realistic environment testing of galloping-based electromagnetic energy harvesters. Applied Energy, 254, 113737.
  4. Hammad, B., Abdelmoula, H., Abdel-Rahman, E. and Abdelkefi, A., 2019. Nonlinear analysis and performance of electret-based microcantilever energy harvesters. Energies, 12, 4249.
  5. Ghommem, M., Hassanalian, M., Al-Marzooqi, M., Throneberry, G. and Abdelkefi, A., 2019. Sizing process, aerodynamic analysis, and experimental assessment of a biplane flapping-wing nano air vehicle. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 233, 5618-5636.
  6. Hassanalian, M. and Abdelkefi, A., 2019. Towards improved hybrid actuation mechanisms for flapping-wing micro air vehicles: analytical and experimental investigations. Drones, 3, 73.
  7. Ghaffari, S.S., Ceballes, S. and Abdelkefi, A., 2019. Effects of thermal loads representations on the dynamics and characteristics of carbon nanotubes-based mass sensors. Smart Materials and Structures, 28, 074003.
  8. Faroughi, S., Rojas, E.F., Abdelkefi, A. and Park, Y.H., 2019. Reduced-order modeling and usefulness of non-uniform beams for flexoelectric energy harvesting applications. Acta
    Mechanica, 230, 2339-2361.
  9. Rojas, E.F., Faroughi, S., Abdelkefi, A. and Park, Y.H., 2019. Nonlinear size-dependent modeling and performance analysis of flexoelectric energy harvesters. Microsystem Technologies, 25, 3899-3921.
  10. Zhou, K., Dai, H.L., Abdelkefi, A., Zhou, H. Y., and Ni, Q., 2019, Impacts of stopper type and material on the broadband characteristics and performance of energy harvesters, AIP Advances, 9, 035228.
  11. Larkin, K. and Abdelkefi, A., 2019, Neutral axis modeling and effectiveness of functionally graded piezoelectric energy harvesters, Composite Structures, 213, 25-36.
  12. Javed, U. and Abdelkefi, A., 2019, Characteristics and comparative analysis of piezoelectricelectromagnetic energy harvesters from vortex-induced oscillations, Nonlinear Dynamics, 95, 3309-3333.
  13. Zimmerman, S., Ceballes, S., Taylor, G., Chang, B., Jung, S., and Abdelkefi, A., 2019, Nonlinear modeling and experimental verification of Gannet-inspired beam systems during diving, Bioinspiration & Biomimetics, 14, 026002.
  14. Hassanalian, M., Salazar, R., and Abdelkefi, A., 2019, Conceptual design and optimization of a tiltrotor micro air vehicle, Chinese Journal of Aeronautics, 32, 369-381.
    20- Ahmed, M. S., Ghommem, M., and Abdelkefi, A., 2019, Nonlinear analysis and characteristics of electrically-coupled microbeams under mechanical shock. Microsystem Technologies, 25, 829-843.
  15. Salazar, R., Campos, A., Fuentes, V., and Abdelkefi, A., 2019, A review on the modeling, materials, and actuators of aquatic unmanned vehicles, Ocean Engineering, 172, 257-285.
  16. Ghommem, M. and Abdelkefi, A., 2019, Nonlinear reduced-order modeling and effectiveness of electrically-actuated microbeams for bio-mass sensing applications, International Journal of Mechanics and Materials in Design, 15, 125-143.
  17. Zhang, L., Dai, H., Abdelkefi, A., and Wang, L., 2019, Experimental investigation of aerodynamic energy harvester with different interference cylinder cross-sections, Energy, 167, 970-981.
2018
  1. Ghaffari, S., Ceballes, S., and Abdelkefi, A., 2018, Role and significance of thermal loading on the performance of carbon nanotube-based mass sensors. Materials & Design, 160, 229-250.
  2. Ahmed, M. S., Ghommem, M., and Abdelkefi, A., 2018, Shock response of electrostatically coupled microbeams under the squeeze-film damping effect. Acta Mechanica, 229, 5051–5065.
  3. Javed, U. and Abdelkefi, A., 2018, Role of the galloping force and moment of inertia of inclined square cylinders on the performance of hybrid galloping energy harvesters, Applied Energy, 231, 259-276.
  4. Hassanalian, M., Rice, D., Johnstone, S., and Abdelkefi, A., 2018, Performance analysis of fixed wing space drones in different solar system bodies. Acta Astronautica, 152, 27-48.
  5. Hu, G., Tse, K. T., Wei, M., Naseer, R., Abdelkefi, A., and Kwok, K. C. S., 2018, Experimental investigation on the efficiency of circular cylinder-based wind energy harvester with different rodshaped attachments. Applied Energy, 226, 682-689.
  6. Salazar, R., Taylor, G., Kalid, M., and Abdelkefi, A., 2018, Optimal design and energy harvesting performance of carangiform fish-like robotic system, Smart Materials and Structures, 27, 075045.
  7. Hassanalian, M., Quintana, A., and Abdelkefi, A., 2018, Morphing and growing micro unmanned air vehicles: sizing process and stability, Aerospace Science and Technology, 78, 130-146.
  8. Taylor, G., Ceballes, S., and Abdelkefi, A., 2018, Insights on the point of contact analysis and characterization of constrained pipelines conveying fluid, Nonlinear Dynamics, 93, 1261-1275.
  9. Hassanalian, M., Throneberry, G., and Abdelkefi, A., 2018, Investigation on the planform and kinematic optimization of bio-inspired nano air vehicles for hovering applications, Meccanica, 53, 2273-2286.
  10. Hassanalian, M., Ben Ayed, S., Ali, M., Houde, P., Hocut, C., and Abdelkefi, A., 2018, Insights on the thermal impacts of wing colorization of migrating birds on their skin friction drag and the choice of their flight route, Journal of Thermal Biology, 72, 81-93.
  11. Sari, M., Ceballes, S., and Abdelkefi, A., 2018, Nonlocal buckling analysis of functionally graded nano-plates subjected to biaxial linearly varying forces, Microsystem Technologies, 24, 1935-1948.
  12. Lee, H., Sharpes, N., Abdelmoula, H., Abdelkefi, A., and Priya, S., 2018, Higher power generation from torsion-dominant mode in a zigzag shaped two-dimensional energy harvester, Applied Energy, 216, 494-503.
  13. Hassanalian, M., Rice, D., and Abdelkefi, A., Evolution of space drones for planetary exploration: A review, Progress in Aerospace Sciences, 97, 61-105.
  14. Larkin, K., Ghommem, M., and Abdelkefi, A., 2018, Significance of size dependent and material structure coupling on the characteristics and performance of nanocrystalline micro/nano gyroscopes, Physica E Low-dimensional Systems and Nanostructures, 99, 169-181.
  15. Dai, H., Yang, Y., Abdelkefi, A., and Wang, L., 2018, Nonlinear analysis and characteristics of inductive galloping energy harvesters, Communication in Nonlinear Science and Numerical Simulation, 59, 580-591.
  16. Salazar, R., Fuentes, V., and Abdelkefi, A., 2018, Classification of biological and bioinspired aquatic systems: a review, Ocean Engineering, 148, 75-114.
  17. Dai, H., Ceballes, S., Abdelkefi, A., Y. Hong, and Wang, L., 2018, Exact modes for post-buckling characteristics of nonlocal nanobeams in a longitudinal magnetic field, Applied Mathematical Modelling, 55, 758-775.
  18. Hassanalian, M., Throneberry, G., Ali, M., Ben Ayed, S., and Abdelkefi, A., 2018, Role of wing color and seasonal changes in ambient temperature and solar irradiation on predicted flight efficiency of the Albatross, Journal of Thermal Biology, 71, 112-122.
2017
  1. Ghommem, M. and Abdelkefi, A., 2017, Novel design of microgyroscopes employing electrostatic actuation and resistance-change based sensing, Journal of Sound and Vibration, 411, 278-288.
  2. Zimmerman, S. and Abdelkefi, A., 2017, Review of marine animals and bioinspired robotic vehicles: classifications and characteristics, Progress in Aerospace Sciences, 93, 95-119.
  3. Ghommem, M. and Abdelkefi, A., 2017, Performance analysis of differential-frequency microgyroscopes made of nanocrystalline materials, International Journal of Mechanical Sciences,
    133, 495-503.
  4. Abdelmoula, H., Sharpes, N., Abdelkefi, A., Lee, H. and Priya, S., 2017, Low-frequency Zigzag energy harvesters operating in torsion-dominant mode, Applied Energy, 204, 413-419.
  5. Zhang, L.B., Dai, H.L., Abdelkefi, A., and Wang, L., 2017, Improving the performance of aeroelastic energy harvesters by an interference cylinder, Applied Physics Letters, 111, 073904.
  6. Ali-Akbari, H.R., Ceballes, S., and Abdelkefi, A., 2017, Geometrical influence of a deposited particle on the performance of bridged carbon nanotube-based mass detectors, Physica E Low-dimensional Systems and Nanostructures, 94, 31-46.
  7. Abdelmoula, H., Zimmerman, S., and Abdelkefi, A., 2017, Accurate modeling, comparative analysis, and performance enhancement of broadband piezoelectric energy harvesters with single and dual magnetic forces, International Journal of Non-Linear Mechanics, 95, 355-363.
  8. Zhang, L.B., Abdelkefi, A., Dai, H.L., Naseer, R., and Wang, L., 2017, Design and experimental analysis of broadband energy harvesting from vortex-induced vibrations, Journal of Sound and Vibration, 408, 210-219.
  9. Wang, L., Liu, Z.Y., Abdelkefi, A., Wang, Y.K., and Dai, H.L., 2017, Nonlinear dynamics of cantilevered pipes conveying fluid: Towards a further understanding of the effect of loose constraints, International Journal of Non-Linear Mechanics, 95, 19-29.
  10. Hassanalian, M., Throneberry, G., and Abdelkefi, A., 2017, Wing shape and dynamic twist design of bio-inspired nano air vehicles for forward flight purposes, Aerospace Science and Technology, 68, 518-529.
  11. Naseer, R., Dai, H., Abdelkefi, A., Wang, L., 2017, Piezomagnetoelastic energy harvesting from vortex-induced vibrations using monostable characteristics, Applied Energy, 203, 142-153. 53- Abdelmoula, H., Dai, H., Abdelkefi, A., and Wang, L. 2017, Control of base-excited dynamical systems through piezoelectric energy harvesting absorber, Smart Materials and Structures, 26, 095013.
  12. Hassanalian, M. and Abdelkefi, A., 2017, Classifications, applications, and design challenges of drones: a review, Progress in Aerospace Sciences, 91, 99-131. (Top cited and downloaded paper in Progress in Aerospace Sciences)
  13. Shaat, M., Aidi, B., Case, S., and Abdelkefi, A., 2017, Predictions of the frequencies of bendingtorsion coupled laminated composite plates with discontinuities: novel analytical modeling and experimental validation, Composite Structures, 180, 334-350.
  14. Abdelmoula, H. and Abdelkefi, A., 2017, Investigations on the presence of electrical frequency on the characteristics of energy harvesters under base and galloping excitations, Nonlinear Dynamics, 89, 2461-2479.
  15. Al-Abassi, O., Abdelkefi, A., and Ghommem, M., 2017, Modeling and assessment of a thermochemical energy storage using salt hydrates, International Journal of Energy Research,
    DOI: 10.1002/er.3776.
  16. Javed, U. and Abdelkefi, A., 2017, Impacts of the aerodynamic force representation on the stability and performance of a galloping-based energy harvester, Journal of Sound and Vibration, 400, 213-226.
  17. Hassanalian, M., Abdelmoula, H., Ben Ayed, S., and Abdelkefi, A., 2017, Thermal impact of migrating birds’ wing color on their flight performance: possibility of new generation of biologically inspired drones, Thermal Biology, 66, 27-32. (Top downloaded paper in Journal of Thermal Biology in
    2017)
  18. Shaat, M. and Abdelkefi, A., 2017, New insights on the applicability of Eringen’s nonlocal theory, International Journal of Mechanical Sciences, 121, 67-75.
  19. Ghommem, M. and Abdelkefi, A., 2017, Nonlinear analysis of rotating nanocrystalline silicon microbeams for microgyroscope applications, Microsystem Technologies, 1-16.
  20. Dai, H. L., Abdelmoula, H., Abdelkefi, A., and Wang, L. 2017, Towards control of cross-flow-induced vibrations based on energy harvesting, Nonlinear Dynamics, 1-18.
  21. Aidi, B., Shaat, M., Abdelkefi, A., and Case, S., 2017, Free vibration analysis of cantilever open-hole composite plates, Meccanica, 1-18.
  22. Akbarzadeh Khorshidi, M., Shaat, M., Abdelkefi, A., and Shariati, M., 2017, Nonlocal modeling and buckling features of cracked nanobeams with von-Karman nonlinearity, Applied Physics A, 123, 62.
  23. Hassanalian, M., Abdelkefi, A., Wei, M., and Ziaei-Rad, S., 2017, A novel methodology for wing sizing of bio-inspired flapping wing micro air vehicles: theory and prototype, Acta Mechanica, 228, 1097-1113.
  24. Sari, M., Shaat, M., and Abdelkefi, A., 2017, Frequency and mode veering phenomena of axially functionally graded non-uniform beams with nonlocal residuals, Composite Structures, 163, 280-292.
  25. Shaat, M. and Abdelkefi, A., 2017, Reporting the sensitivities and resolutions of CNT-based resonators for mass sensing, Materials & Design, 114, 591-598.
  26. Dai, H. L., Abdelkefi, A., and Wang, L., 2017, Vortex-induced vibrations mitigation through a nonlinear energy sink, Communication in Nonlinear Science and Numerical Simulation, 42, 22-36.
  27. Shaat, M. and Abdelkefi, A., 2017, Material structure and size effects on the nonlinear dynamics of electrostatically-actuated nano-beams, International Journal of Non-Linear Mechanics, 89, 25-42.
  28. Hassanalian, M. and Abdelkefi, A., 2017, Design, manufacturing, and flight testing of a fixed wing micro air vehicle with Zimmerman planform, Meccanica, 52, 1265-1282.
2016
  1. Shaat, M., Akbarzadeh Khorshidi, M., Abdelkefi, A., and Shariati, M., 2016, Modeling and vibration characteristics of cracked nano-beams made of nanocrystalline materials, International Journal of Mechanical Sciences, 115-116, 574-585.
  2. Hassanalian, M. and Abdelkefi, A., 2016, Methodologies for weight estimation of fixed and flapping wing micro air vehicles, Meccanica, 52, 1-22.
  3. Shaat, M. and Abdelkefi, A., 2016, Reporting buckling strength and elastic properties of nanowires, Journal of Applied physics, 120, 235104.
  4. Sharpes, N., Abdelkefi, A., Abdelmoula, H., Kumar, P., Adler, J., and Priya, S., 2016, Mode shape combination in a two-dimensional vibration energy harvester through mass loading structural modification, Applied Physics Letters, 109, 033901.
  5. Ali-Akbari, H.R., Shaat, M., and Abdelkefi, A., 2016, Bridged single-walled carbon nanotube-based atomic-scale mass sensors, Applied Physics A, 122, 762.
  6. Dai, H. L., Abdelkefi, A., Yang, Y., and Wang, L., 2016, Orientation of bluff body for designing efficient energy harvesters from vortex-induced vibrations, Applied Physics Letters, 108, 053902.
  7. Shaat, M. and Abdelkefi, A., 2016, Buckling characteristics of nanocrystalline nano-beams, International Journal of Mechanics and Materials in Design, 1-19.
  8. Abdelmoula, H. and Abdelkefi, A., 2016, The potential of electrical impedance on the performance of galloping systems for energy harvesting and control applications, Journal of Sound and Vibration, 370, 191-208.
  9. Dai, H. L., Abdelkefi, A., and Wang, L., 2016, Usefulness of passive nonlinear energy sinks in controlling galloping vibrations, International Journal of Non-linear Mechanics, 81, 83-94.
  10. Shaat, M. and Abdelkefi, A., 2016, Size dependent and micromechanical modeling of strain gradientbased nanoparticle composite plates with surface elasticity, European Journal of Mechanics-A/Solids, 58, 54-68.
  11. Javed, U., Abdelkefi, A., and Akhtar, I., 2016, An improved stability characterization for aeroelastic energy harvesting applications, Communication in Nonlinear Science and Numerical Simulation, 36, 252-265.
  12. Shaat, M. and Abdelkefi, A., 2016, On a second-order rotation gradient theory for linear elastic continua, International Journal of Engineering Science, 100, 74-98.
  13. Abdelkefi, A., 2016, Aeroelastic energy harvesting: A review, International Journal of Engineering Science, 100, 112-135. (Top downloaded and cited paper in International Journal of Engineering Science)
  14. Abdelkefi, A. and Barsallo, N., 2016, Nonlinear analysis and power improvement of broadband lowfrequency piezomagnetoelastic energy harvesters, Nonlinear Dynamics, 83, 41-56.
  15. Shaat, M. and Abdelkefi, A., 2016, Modeling of mechanical resonators used for nanocrystalline materials characterization and disease diagnosis of HIVs, Microsystem Technologies, 22, 305-318.
  16. Vasconcellos, R., Abdelkefi, A., Hajj, M. R., Almeida, D. P., and Marques, F. D., 2016, Airfoil control surface discontinuous nonlinearity experimental assessment and numerical validation, Journal of Vibration and Control, 22, 1633-1644.
  17. Bichiou, Y., Abdelkefi, A., and Hajj, M. R., 2016, Nonlinear aeroelastic characterization of wind turbine blades, Journal of Vibration and Control, 22, 621-631.
2015
  1. Vasconcellos, R. and Abdelkefi, A., 2015, Phenomena and characterization of grazing-sliding bifurcations in aeroelastic systems with discontinuous impact effects, Journal of Sound and Vibration, 358, 315-323.
  2. Javed, U., Dai, H. L., and Abdelkefi, A., 2015, Nonlinear dynamics and comparative analysis of hybrid piezoelectric-inductive energy harvesters subjected to galloping vibrations, European Physical Journal-Special Topics, 224, 2929-2948.
  3. Abdelmoula, H. and Abdelkefi, A., 2015, Ultra-wide bandwidth improvement of piezoelectric energy harvesters through electrical inductance coupling, European Physical Journal-Special Topics, 224, 2733-2753.
  4. Sharpes, N., Abdelkefi, A., and Priya, S., 2015, Two-dimensional concentrated stress structure low frequency piezoelectric vibration energy harvesters, Applied Physics Letters, 107, 093901.
  5. Shaat, M. and Abdelkefi, A., 2015, Modeling the material structure and couple stress effects of nanocrystalline silicon beams for pull-in and bio-mass sensing applications, International Journal of Mechanical Sciences, 101, 280-291.
  6. Sharpes, N., Abdelkefi, A., Hajj, M. R., Jin, H., Cho, K-H., and Priya, S., 2015, Preloaded freeplay wide-bandwidth low-frequency piezoelectric harvesters, Applied Physics Letters, 107, 023902.
  7. Shaat, M. and Abdelkefi, A., 2015, Pull-in instability of multi-phase nanocrystalline silicon beams under distributed electrostatic force, International Journal of Engineering Science, 90, 58-75.
  8. Fadhloun, K., Rakha, H., Loulizi, A., and Abdelkefi, A., 2015, A vehicle dynamics model for estimating typical vehicle accelerations, Journal of the Transportation Research Board, 2491, 61-71.
  9. Dai, H.L., Abdelkefi, A., Javed, U., and Wang, L., 2015, Modeling and performance of electromagnetic energy harvesting from galloping oscillations, Smart Materials and Structures, 24, 045012.
  10. Bibo, A., Abdelkefi, A., and Daqaq, M. F., 2015, Modeling and characterization of a piezoelectric energy harvester under combined aerodynamic and base excitations, ASME Journal of Vibrations and Acoustics, 137, 031017.
  11. Dai, H.L., Abdelkefi, A., Wang, L., and Liu, W. B., 2015, Time-delay feedback controller for amplitude reduction of vortex-induced vibrations, Nonlinear Dynamics, 80, 59-70.
  12. Dai, H.L., Wang, L., Abdelkefi, A., and Ni, Q., 2015, On nonlinear behavior and buckling of fluid transporting nanotubes, International Journal of Engineering Science, 87, 13-22.
2014
  1. Sharpes, N., Abdelkefi, A., and Priya, S., 2014, Comparative analysis of one-dimensional and two-dimensional cantilever piezoelectric energy harvesters, Energy Harvesting and Systems, 1, 209-216.
  2. Dai, H.L., Abdelkefi, A., Wang, L., and Liu, W. B., 2014, Control of cross-flow-induced vibrations of square cylinders using linear and nonlinear delayed feedbacks, Nonlinear Dynamics, 78, 907-919.
  3. Vasconcellos, R. and Abdelkefi, A., 2014, Nonlinear dynamical analysis of an aeroelastic system with multi-segmented moment in the pitch degree-of-freedom, Communications in Nonlinear Science and Numerical Simulation, 20, 324-334.
  4. Dai, H.L., Abdelkefi, A., and Wang, L., 2014, Theoretical modeling and nonlinear analysis of piezoelectric energy harvesting from vortex-induced vibrations, Journal of Intelligent Material Systems and Structures, 25, 1861-1874.
  5. Dai, H.L., Abdelkefi, A., and Wang, L., 2014, Modeling and nonlinear dynamics of fluid conveying risers under hybrid excitations, International Journal of Engineering Science, 81, 1-14.
  6. Yan, Z. and Abdelkefi, A., 2014, Nonlinear characterization of concurrent energy harvesting from galloping and base excitations, Nonlinear Dynamics, 77, 1171-1189.
  7. Abdelkefi, A. and Barsallo, N., 2014, Comparative modeling of low-frequency piezomagnetoelastic energy harvesters, Journal of Intelligent Material Systems and Structures, 25,
    1771-1785.
  8. Dai, H.L., Abdelkefi, A., and Wang, L., 2014, Piezoelectric energy harvesting from concurrent vortex-induced vibrations and base excitations, Nonlinear Dynamics, 77, 967-981.
  9. Abdelkefi, A., Hasanyan, A., Montgomery, J., Hall, D., and Hajj, M. R., 2014, Incident flow effects on the performance of piezoelectric energy harvesters from galloping vibrations, Theoretical & Applied Mechanics Letters, 4, 022002
  10. Yan, Z., Abdelkefi, A., and Hajj, M. R., 2014, Piezoelectric energy harvesting from hybrid vibrations, Smart Materials and Structures, 23, 025026.
  11. Abdelkefi, A. Barsallo, N., Tang, L., Yang, Y., and Hajj, M.R., 2014, Modeling, validation, and performance of low-frequency piezoelectric energy harvesters, Journal of Intelligent Material Systems and Structures, 25, 1429-1444.
  12. Vasconcellos, R., Abdelkefi, A., Hajj, M. R., and Marques, F. D., 2014, Grazing bifurcation in aeroelastic systems with freeplay nonlinearity, Communications in Nonlinear Science and Numerical Simulation, 19, 1611-1625.
  13. Abdelkefi, A., Ghommem, M., Nuhait, A. O., and Hajj, M. R., 2014, Nonlinear analysis and enhancement of wing-based piezoaeroelastic energy harvesters, Journal of Sound and Vibration, 333, 166-177.
  14. Bichiou, Y., Nuhait, A. O., Abdelkefi, A., and Hajj, M. R., 2014, Unsteady aeroelastic behaviors of rigid airfoils with preset angles of attack, Journal of Vibration and Control, doi:1077546314537106.
  15. Abdelkefi, A., Yan, Z., and Hajj, M. R., 2014, Performance analysis of galloping-based piezoaeroelastic energy harvesters with different cross-section geometries, Journal of Intelligent Material Systems and Structures, 25, 246-256.
  16. Ben Ayed, S., Abdelkefi, A., Najar, F., and Hajj, M. R., 2014, Design and performance of variable shaped piezoelectric energy harvesters, Journal of Intelligent Material Systems and Structures, 25, 174-186.
  17. Mehmood, A., Abdelkefi, A., Akhtar, I., Nayfeh, A. H., Nuahit, A. O., and Hajj, M. R., 2014, Linear and nonlinear feedback control from vortex-induced vibrations of circular cylinder, Journal of Vibration and Control, 20, 1137-1147.
2013
  1. Abdelkefi, A. and Nuhait, A. O., 2013, Modeling and performance analysis of cambered wingbased piezoaeroelastic energy harvesters, Smart Materials and Structures, 22, 095029.
  2. Abdelkefi, A., Yan, Z., and Hajj, M. R., 2013, Nonlinear dynamics of galloping-based piezoaeroelastic energy harvesters, The European Physical Journal – Special Topics, 222, 1483-
    1501.
  3. Abdelkefi, A. and Ghommem, M., 2013, Piezoelectric energy harvesting from morphing wing motions for micro air vehicles, Theoretical & Applied Mechanics Letters, 3, 052001.
  4. Abdelkefi, A., Alothman, A., and Hajj, M. R., 2013, Performance analysis and validation of thermoelectric energy harvesters, Smart Materials and Structures, 22, 095014.
  5. Abdelkefi, A., Scanlon, J. M., McDowell, E., and Hajj, M. R., 2013, Performance enhancement of piezoelectric energy harvesting from wake galloping, Applied Physics Letters, 103, 033903.
  6. Abdelkefi, A. and Hajj, M. R., 2013, Performance enhancement of wing-based piezoaeroelastic energy harvesting through freeplay nonlinearity, Theoretical & Applied Mechanics Letters, 3, 041001
  7. Abdelkefi, A. and Ghommem, M., 2013, Model reduction of nonlinear aeroelastic systems experiencing Hopf bifurcation, Journal of Modeling, Simulation, Identification, and Control,1, 57-77.
  8. Abdelkefi, A., Yan, Z., and Hajj, M. R., 2013, Temperature impact on performance of gallopingbased piezoaeroelastic energy harvesters, Smart Materials and Structures, 22, 055026.
  9. Mehmood, A., Abdelkefi, A., Hajj, M. R., Nayfeh, A. H., Akhtar, I., and Nuhait, A. O., 2013, Piezoelectric energy harvesting from freely oscillating circular cylinder, Journal of Sound and Vibration, 332, 4656-4667
  10. Abdelkefi, A., Yan, Z., and Hajj, M.R., 2013, Modeling and nonlinear analysis of piezoelectric energy harvesting from transverse galloping, Smart Materials and Structures, 22, 025016.
  11. Abdelkefi, A., Vasconcellos, R., Nayfeh, A.H., and Hajj, M.R., 2013, An analytical and experimental investigation into limit-cycle oscillations of an aeroelastic system, Nonlinear Dynamics, 71, 159–173.
  12. Abdelkefi, A., Hajj, M.R., and Nayfeh, A.H., 2013, Piezoelectric energy harvesting from transverse galloping oscillations of bluff bodies, Smart Materials and Structures, 22, 015014.
2012
  1. Abdelkefi, A., Hajj, M.R., and Nayfeh, A.H., 2012, Power harvesting from transverse galloping of square cylinder, Nonlinear Dynamics, 70, 1355–1363.
  2. Ghommem, M., Abdelkefi, A., Nuhait, A.O., and Hajj, M.R., 2012, Aeroelastic analysis and nonlinear dynamics of an elastically-mounted wing, Journal of Sound and Vibration, 331, 5774-5787.
  3. Abdelkefi, A., Hajj, M.R., and Nayfeh, A.H., 2012, Phenomena and modeling of piezoelectric energy harvesting from freely oscillating cylinders, Nonlinear Dynamics, 70, 1377-1388.
  4. Abdelkefi, A., Nayfeh, A.H., Hajj, M.R. and Najar, F., 2012, Energy harvesting from a multifrequency response of a tuned bending-torsion system, Smart Materials and Structures, 21,
    075029.
  5. Abdelkefi, A., Vasconcellos, R., Marques, F.D., and Hajj, M.R., 2012, Bifurcation analysis of an aeroelastic system with concentrated nonlinearities, Nonlinear Dynamics, 69, 57-71.
  6. Abdelkefi, A., Hajj, M.R., and Nayfeh, A.H., 2012, Sensitivity analysis of piezoaeroelastic energy harvesters, Journal of Intelligent Material Systems and Structures, 23, 1523-1531.
  7. Abdelkefi, A., Nayfeh, A.H., and Hajj, M.R., 2012, Enhancement of power harvesting for piezoaeroelastic systems, Nonlinear Dynamics, 68, 531-541.
  8. Vasconcellos, R., Abdelkefi, A., Marques, F.D., and Hajj, M.R., 2012, Representation and analysis of control surface freeplay nonlinearity, Journal of Fluids and Structures, 31, 79-91.
  9. Abdelkefi, A., Nayfeh, A.H., and Hajj, M.R., 2012, Design of piezoaeroelastic energy harvesters, Nonlinear Dynamics, 68, 519-530.
  10. Abdelkefi, A., Nayfeh, A.H., and Hajj, M.R., 2012, Effects of nonlinear piezoelectric coupling on energy harvesters under direct excitation, Nonlinear Dynamics, 67, 1221-1232.
  11. Abdelkefi, A., Vasconcellos, R., Marques, F.D., and Hajj, M.R., 2012, Modeling and identification of freeplay nonlinearity, Journal of Sound and Vibration, 331, 1898-1907.
  12. Abdelkefi, A., Nayfeh, A.H., and Hajj, M.R., 2012, Global nonlinear distributed-parameter model of parametrically excited piezoelectric energy harvesters, Nonlinear Dynamics, 67, 1147-1160.
  13. Abdelkefi, A., Nayfeh, A.H., and Hajj, M.R., 2012, Modeling and analysis of piezoaeroelastic energy harvesters, Nonlinear Dynamics, 67, 925-939.
2011
  1. Abdelkefi, A., Najar, F., Nayfeh, A.H., and Ben Ayed, S., 2011, An energy harvester using
    piezoelectric cantilever beams undergoing coupled bending-torsion vibrations, Smart Materials and
    Structures, 20, 115007.