Recent Publications

2015

• M. Nouh, O. Aldraihem, and A. Baz, “Wave propagation in metamaterial plates with periodic local resonances”, Journal of Sound and Vibration, 341, 53:73 (2015).
• W. Akl and A. Baz, “Interior Acoustic Cloak”, AIP Advances 4, 124305, 2014, http://dx.doi.org/10.1063/1.4902100

2014

• M. Nouh, O. Aldraihem, and A. Baz, “Optimum Design of Thermoacoustic-Piezoelectric Systems with Dynamic Magnifiers”, Engineering Optimization, Vol. 46, No. 4, pp.543-561, 2014.
• A. Roshwalb, M. Nouh, O. Aldraihem and A. Baz, “Performance of a traveling wave thermoacoustic-piezoelectric energy harvester: An electrical circuit analogy approach”, Journal of Intelligent Material Systems and Structures, Vol. 25, No. 11, pp. 1372 – 1383, 2014.
• M. Nouh, O. Aldraihem, and A. Baz, “Transient characteristics and stability analysis of standing wave thermoacoustic-piezoelectric harvesters”, Journal of the Acoustical Society of America, Vol. 135, No. 2, pp. 669:679, 2014.
• M. Nouh, O. Aldraihem, and A. Baz, “Piezo-driven Thermoacoustic Refrigerators with Dynamic Magnifiers” Journal of Applied Acoustics, Vol. 83, pp. 86-99, 2014.
• M. Nouh, O. Aldraihem, and A. Baz, “Onset of Oscillations in Traveling Wave Thermoacoustic-Piezoelectric Harvesters using Circuit Analogy and SPICE Modeling”, Journal of Dynamic Systems, Measurement and Control, Vol. 136, No. 6, pp. 061005 , 2014.
• M. Nouh, O. Aldraihem, and A. Baz, “Theoretical Modeling And Experimental Realization Of Dynamically Magnified Thermoacoustic-Piezoelectric Energy Harvesters”, Journal of Sound and Vibration, Vol. 333, pp.3138-3152, 2014.
• A. Aladwani, O. Aldraihem, and A. Baz, “Distributed Parameter Cantilevered Piezoelectric Energy Harvester with a Dynamic Magnifier”, Mechanics of Advanced Materials & Structures, Vol. 21, No. 7, pp. 566-578, 2014.
• M. Nouh, O. Aldraihem, and A. Baz, “Vibration characteristics of metamaterial beams with periodic local resonances”, J. Vib. Acoust., 136(6), 061012 (2014).

2013

• Wael Akl and Amr Baz, “Active Acoustic Metamaterial with Simultaneous Programmable Density and Bulk Modulus”, ASME Journal of Vibration & Acoustics, Vol. 135, No. 3, 031001, 2013.
• A. Aladwani, O. Aldraihem, and A. Baz, “Single Degree of Freedom Shear-Mode Piezoelectric Energy Harvester”, ASME Journal of Vibration and Acoustics, Vol. 135, No.3, 051011, 2013.
• W. Akl and A. Baz, “Active Acoustic Metamaterial With Simultaneously Programmable Density and Bulk Modulus”, Journal of Vibration and Acoustics, Vol. 135, No. 3, 031001, 2013.
• A. Aladwani, O. Aldraihem, and A. Baz, “Single Degree of Freedom Shear-Mode Piezoelectric Energy Harvester”, in Press, ASME Journal of Vibration and Acoustics, 2013.
• M. Nouh, O. Aldraihem, and A. Baz, “Optimum Design of Thermoacoustic-Piezoelectric Systems with Dynamic Magnifiers”, in Press,  Engineering Optimization, 2013

2012

• M. Nouh, O. Aldraihem, and A. Baz, “Energy Harvesting of Thermoacoustic-piezo Systems with a Dynamic Magnifier“, ASME Journal of Vibration & Acoustics, Vol. 134, No. 4, 061015, Dec. 2012.
• Y Al-Saffar, O Aldraihem and A Baz, “Smart paint sensor for monitoring structural vibrations”, Journal of Smart Materials and Structures, Vol. 21, No. 4, 045004, April 2012.
• A. Aladwani, M. Arafa, O. Aldraihem and A. Baz, "Cantilevered Piezoelectric Energy Harvester with a Dynamic Magnifier", ASME Journal of Vibration & Acoustics, Vol.34, No. 3, pp. 031004, 2012.
• O. Aldraihem and A. Baz, "Onset of Self-Excited Oscillations of Traveling Wave Thermo-Acoustic-Piezoelectric Energy Harvester using Root-Locus Analysis", ASME Journal of Vibration & Acoustics, Vol.134, No. 1, 011003, Jan. 2012.
• Wael Akl and Amr Baz, “Analysis and experimental demonstration of an active acoustic metamaterial cell”, Journal of Applied Physics, Vol. 111, No. 4, 044505, 2012.
• Wael Akl and Amr Baz, “A technique for physical realization of anisotropic density matrices with application to acoustic beam shifters”, Journal of Applied Physics, Vol. 111, No. 2, 024907, 2012.
• Wael Akl and Amr Baz, “Active Acoustic Metamaterial with Simultaneous Programmable Density and Bulk Modulus”, accepted for publication in ASME Journal of Vibration & Acoustics, 2012.
• J. Smoker, M. Nouh, O. Aldraihem, and A. Baz, "Energy harvesting from a standing wave thermoacoustic-piezoelectric resonator", Journal of Applied Physics, Vol.111, No. 10, 16, May 2012.
• Wael Akl and Amr Baz, “Multi-cell Active Acoustic Metamaterial with Programmable Effective Densities”, accepted for publication in ASME Journal of Dynamic Systems, Measurement & Control, 2012.
• Wael Akl and Amr Baz, “Experimental characterization of active acoustic metamaterial cell with controllable dynamic density”, Journal of Applied Physics, Vol. 112, 084912, 2012.
• W. Akl, A. Elsabbagh, and A. Baz, “Acoustic metamaterials with circular sector cavities and programmable densities”, J. Acoust. Soc. Am. 132 (4), Pt. 2, pp. 2857-2865, October 2012.
• W. Akl and A. Baz, “Multicell active acoustic metamaterial with programmable effective densities”, ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 134 , No. 6, pp. 061001-(1-11), 2012.

2011

• O. Aldraihem and A. Baz, “Energy Harvester with a Dynamic Magnifier”, Journal of Intelligent Material Systems & Structures, Vol. 22, No. 6, pp. 521-530, 2011.
• W. Akl, and A. Baz, “Stability Analysis of Active Acoustic Metamaterial with Programmable Bulk Modulus”, Journal of Smart Materials and Structures, Vol. 20, No. 12, 125010, Dec 2011.
• A. El-Sabbagh and A. Baz, “Maximization of the harvested power from piezoelectric bimorphs with multiple electrodes under dynamic excitation”, Finite Elements in Analysis and Design, Vol. 47, pp. 1232–1241, 2011.

2010

• W. J. Jung, Z. Gu, and A. Baz, “Mechanical Filtering Characteristics of Passive Periodic Engine Mount”, Finite Elements in Analysis and Design, Vol. 46, No. 9, pp. 685-697, 2010.
• W. Akl, and A. Baz, “Multi-cell Active Acoustic Metamaterial with Programmable Bulk’s Modulus”, Journal of Intelligent Material Systems and Structures, Vol. 21, pp. 541-556, March 2010.
• A. Baz, “An Active Acoustic Metamaterial with Tunable Effective Density”, ASME Journal of Vibration & Acoustics, Vol. 132, No. 4, 2010.
• A. El-Sabbagh and A. Baz, “Nonlinear Dynamics of Acoustic Compressors”, accepted for publication in ASME Journal of Computational and Nonlinear Dynamics, 2010.

2009

• A. Baz, “The Structure of an Active Acoustic Metamaterial with Tunable Effective Density”, New Journal of Physics, Vol 11, 1230102009, 2009.
• El-Sabbagh, W. Akl, A. Baz, "Topology optimization of periodic Mindlin plates," Finite Elements in Analysis and Design, Vol. 44, No. 8, pp. 439– 449, 2008.
• O. Aldraihem, W. Akl, and, A. Baz, "Nanocomposite Functional Paint for Vibration and Noise Monitoring," Sensors & Actuators: A. Physical, Vol. 149, pp. 233-240, 2009.
• J. Smoker, A. Baz, and L. Zheng, "Virtual Reality Simulation of a Full Car Active Suspension System with Nonlinear Energy Sink Controller," J. of Virtual Reality, Vol. 8, No. 2, pp. 75-82, 2009.
• W. Akl, A. El-Sabbagh, K. Al-Mitani, A. Baz, "Topology optimization of a plate coupled with acoustic cavity," International Journal of Solids and Structures,  Vol. 46, No. 10, pp. 2060-2074, 2009.
• L. Zheng, Y. N. Li, and A. Baz, "Fuzzy-Sliding Mode Control of a Full Car Semi-Active Suspension Systems with MR Dampers," Journal of Smart Structures & Systems, Vol. 5, No. 3, pp. 261-278, 2009.
• M. Arafa, O. Aldraihem, and A. Baz, "Modeling and Characterization of a Linear Piezomotor," Journal of Intelligent Material Systems and Structures, Vol. 20, No. 16, pp. 1913-1921, 2009.
• K. M. S. Eldalil and A. Baz, "Dynamic Stability of Cylindrical Shells under Moving Loads Using Periodic Stiffeners – Part 1," Advances in Acoustics and Vibration, Vol. 2009, Article ID 317202, 10.1155/2009/317202, 2009..
• K. M. S. Eldalil and A.  Baz, "Dynamic Stability of Cylindrical Shells under Moving Loads Using Piezo-Stack Actuator – Part 2," Advances in Acoustics and Vibration, Vol. 2009, Article ID 927078, doi:10.1155/2009/927078, 2009.

2008

• W. Akl, A. El-Sabbagh, A. Baz, "Optimization of the static and dynamic characteristics of plates with isogrid  stiffeners," Finite Elements in Analysis and Design, Vol. 44, No. 8, pp. 513– 523, 2008.

Dr. Amr Baz
Professor
Mechanical Engineering
2137 Martin Hall
University of Maryland
College Park, MD 20742

Phone: 301.405.5216
Fax: 301.405-8331
Email: baz@umd.edu