Alper Erturk, Ph.D.
“One may demand of me that I should seek truth, but not that I should find it.”
– Denis Diderot (Philosophical Thoughts, 1746)
Recent News Articles
"Good Vibrations" by P.F. Schewe (Inside Science News Service, AIP, August 2009)
Research Highlights Archive, Applied Physics Letters (Top downloaded article in July 2009)
Student Spotlight, ASME & AIAA Adaptive Structures and Material Systems Newsletter (Spring 2009)
Recipient of the Liviu Librescu Memorial Scholarship (Fall 2008)
Publications
Book Chapters (since 2009)
Erturk, A. and Inman, D.J., 2009, Electromechanical Modeling of Cantilevered Piezoelectric Energy Harvesters for Persistent Base Motions, Energy Harvesting Technologies, Chapter 2, pp. 41-77, Springer, New York (Eds: S. Priya and D.J. Inman).
Journal Articles (since 2006)
Erturk, A., Hoffmann, J., and Inman, D.J., 2009, A Piezomagnetoelastic Structure for Broadband Vibration Energy Harvesting, Applied Physics Letters, 94, 254102 (3pp).
Kong, N., Ha, D.S., Erturk, A., and Inman, D.J., 2009, Resistive Impedance Matching Circuit for Piezoelectric Energy Harvesting, Journal of Intelligent Material Systems and Structures (accepted).
Lallart, M., Erturk, A., Blettery, H., and Inman, D.J., 2009, Small-Scale Rainmill for Piezoelectric Energy Harvesting, Smart Materials and Structures (in review).
De Marqui, Jr., C., Erturk, A., and Inman, D.J., 2009, Piezo-aero-elastic Modeling and Analysis of a Generator Wing with Continuous and Segmented Electrodes, Journal of Intelligent Material Systems and Structures (in review).
Bilgen, O., Erturk, A., and Inman, D.J., 2009, Analytical and Experimental Characterization of Macro-Fiber Composite Actuated Thin Clamped-Free Unimorph Benders, ASME Journal of Vibration and Acoustics (in review).
Erturk, A. and Inman, D.J., 2009, An Experimentally Validated Bimorph Cantilever Model for Piezoelectric Energy Harvesting from Base Excitations, Smart Materials and Structures, 18, 025009 (18pp).
Erturk, A., Renno, J.M., and Inman, D.J., 2009, Modeling of Piezoelectric Energy Harvesting from an L-shaped Beam-Mass Structure with an Application to UAVs, Journal of Intelligent Material Systems and Structures, 20, pp. 529-544.
Erturk, A., Tarazaga, P.A., Farmer, J.R., and Inman, D.J., 2009, Effect of Strain Nodes and Electrode Configuration on Piezoelectric Energy Harvesting from Cantilevered Beams, ASME Journal of Vibration and Acoustics, 131, 011010 (11pp).
De Marqui, Jr., C., Erturk, A., and Inman, D.J., 2009, An Electromechanical Finite Element Model for Piezoelectric Energy Harvester Plates, Journal of Sound and Vibration , 327, pp. 9-25.
Ozsahin, O., Erturk, A., Ozguven, H.N., and Budak, E., 2009, A Closed-Form Approach for Identification of Dynamical Contact Parameters in Spindle-Holder-Tool Assemblies, International Journal of Machine Tools and Manufacture, 49, pp. 25-35.
Erturk, A., Bilgen, O., and Inman, D.J., 2008,
Power Generation and Shunt Damping Performance of a Single Crystal Lead Magnesium Niobate - Lead Zirconate Titanate Unimorph: Analysis and Experiment, Applied Physics Letters, 93, 224102 (3pp).Erturk, A. and Inman, D.J., 2008, Issues in Mathematical Modeling of Piezoelectric Energy Harvesters, Smart Materials and Structures, 17, 065016 (14pp).
Erturk, A. and Inman, D.J., 2008, A Distributed Parameter Electromechanical Model for Cantilevered Piezoelectric Energy Harvesters, ASME Journal of Vibration and Acoustics, 130, 041002 (15pp).
Erturk, A. and Inman, D.J., 2008, On Mechanical Modeling of Cantilevered Piezoelectric Vibration Energy Harvesters, Journal of Intelligent Material Systems and Structures, 19, pp. 1311-1325.
Erturk, A. and Inman, D.J., 2007, On the Fundamental Transverse Vibration Frequency of a Free-Free Thin Beam with Identical End Masses, ASME Journal of Vibration and Acoustics, 129, pp. 656-662.
Erturk, A., Budak, E., and Ozguven, H.N., 2007, Selection of Design and Operational Parameters in Spindle-Holder-Tool Assemblies for Maximum Chatter Stability by Using a New Analytical Model, International Journal of Machine Tools and Manufacture, 47, pp. 1401-1409 (Selected Papers from the 2nd CIRP International Conference on High Performance Cutting).
Erturk, A., Ozguven, H.N., and Budak, E., 2007, Effect Analysis of Bearing and Interface Dynamics on Tool Point FRF for Chatter Stability in Machine Tools by using a New Analytical Model for Spindle-Tool Assemblies, International Journal of Machine Tools and Manufacture, 47, pp. 23-32.
Erturk, A. , Ozguven, H.N., and Budak, E., 2006, Analytical Modeling of Spindle-Tool Dynamics on Machine Tools using Timoshenko Beam Model and Receptance Coupling for the Prediction of Tool Point FRF, International Journal of Machine Tools and Manufacture, 46, pp. 1901-1912.
Budak, E., Erturk, A., and Ozguven, H.N., 2006, A Modeling Approach for Analysis and Improvement of Spindle-Holder-Tool Assembly Dynamics, CIRP Annals - Manufacturing Technology, 55, pp. 369-372 (also presented in the 56th CIRP General Assembly, Kobe, Japan, 20-26 August 2006).
Conference Articles & Workshop Presentations (since 2006)
Erturk, A., Vieira, W.G.R, De Marqui, Jr., C., and Inman, D.J., 2010, Piezoelectric Energy Harvesting from Flow Excitation: Modeling and Experiment, Proceedings of the 17th SPIE Annual International Symposium on Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring, San Diego, CA, 7-11 March 2010.
Anton, S.R., Erturk, A., and Inman, D.J., 2010, Strength Analysis of Piezoceramic Materials for Structural Considerations in Energy Harvesting for UAVs, Proceedings of the 17th SPIE Annual International Symposium on Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring, San Diego, CA, 7-11 March 2010.
Erturk, A., Hoffmann, J., and Inman, D.J., 2010, Limit Cycle Oscillations of a Nonlinear Piezo-Magneto-Elastic Structure for Broadband Vibration Energy Harvesting, Proceedings of the 28th International Modal Analysis Conference, Jacksonville, FL, 1-4 February 2010.
De Marqui, Jr., C., Vieira, W.G.R, Erturk, A., and Inman, D.J, 2010, Frequency Domain Solution of a Piezo-Aero-Elastic Wing for Energy Harvesting, Proceedings of the 28th International Modal Analysis Conference, Jacksonville, FL, 1-4 February 2010.
Anton, S.R., Erturk, A., Kong, N., Ha, D.S., and Inman, D.J., 2009,
Self-Charging Structures Using Piezoceramics and Thin-Film Batteries, Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Oxnard, CA, 20-24 September 2009.De Marqui, Jr., C., Erturk, A., and Inman, D.J., 2009, Effect of Segmented Electrodes on Piezo-Elastic and Piezo-Aero-Elastic Responses of Generator Plates, Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Oxnard, CA, 20-24 September 2009.
Erturk, A., Anton, S.R., Bilgen, O., and Inman, D.J., 2009, Effect of Material Constants and Mechanical Damping on Piezoelectric Power Generation, Proceedings of the ASME 2009 IDETC 22nd Biennial Conference on Mechanical Vibration and Noise, San Diego, CA, 30 August - 2 September 2009.
De Marqui, Jr., C., Erturk, A., and Inman, D.J., 2009, Piezo-Aero-Elastically Coupled Modeling and Analysis of Electrical Power Generation and Shunt Damping for a Cantilever Plate, Proceedings of the 17th International Conference on Composite Materials, Edinburgh, UK, 27-31 July 2009.
Anton, S.R., Erturk, A., and Inman, D.J., 2009, An Investigation on Multifunctional Piezoelectric Composite Spars for Energy Harvesting in Unmanned Aerial Vehicles, Proceedings of the 17th International Conference on Composite Materials, Edinburgh, UK, 27-31 July 2009.
Erturk, A., Anton, S.R., Tarazaga, P.A., and Inman, D.J., 2009, A
nalytical Modeling and Experimental Verification of a Broadband Piezoelectric Energy Harvester, Proceedings of the Joint ASCE-ASME-SES Conference on Mechanics and Materials, Blacksburg, VA, 24-27 June 2009.De Marqui, Jr., C., Erturk, A., and Inman, D.J., 2009, Finite Element Analysis of a UAV Wing Spar with Piezoceramics for Vibration Energy Harvesting, Proceedings of the 50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Springs, CA, 4-7 May 2009.
Erturk, A., Anton, S.R., Kong, N., and Inman, D.J., 2009, Self-Powered Border Security Systems, 3rd National Security Innovation Competition (finalist), Colorado Springs, CO, 1 May 2009.
Erturk, A., Anton, S.R., and Inman, D.J., 2009, Piezoelectric Energy Harvesting from Multifunctional Wing Spars for UAVs – Part 1: Coupled Modeling and Preliminary Analysis,
Proceedings of the 16th SPIE Annual International Symposium on Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring, San Diego, CA, 8-12 March 2009.Anton, S.R., Erturk, A., and Inman, D.J., 2009, Piezoelectric Energy Harvesting from Multifunctional Wing Spars for UAVs – Part 2: Experiments and Storage Applications,
Proceedings of the 16th SPIE Annual International Symposium on Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring, San Diego, CA, 8-12 March 2009.Erturk, A. and Inman, D.J., 2009, Parameter Identification and Optimization for Cantilevered Piezoelectric Energy Harvesters Based on the Coupled Distributed Parameter Solution, Proceedings of the 27th International Modal Analysis Conference, Orlando, FL, 9-12 February 2009.
De Marqui, Jr., C., Erturk, A., and Inman, D.J., 2009, Piezo-Aero-Elastic Analysis of a Unimorph Cantilever for Vibration Energy Harvesting, 4th Annual Energy Harvesting Workshop, Blacksburg, VA, 28-29 January 2009.
Erturk, A. and Inman, D.J., 2009, Issues in Mathematical Modeling of Piezoelectric Energy Harvesters and Some Practical Considerations, 4th Annual Energy Harvesting Workshop, Blacksburg, VA, 28-29 January 2009.
Inman, D.J., Erturk, A., and Bilgen, O., 2008, M
orphing, Monitoring and Harvesting Using Smart Materials, Proceedings of the XII. International Conference on Mechanical Engineering, Bratislava, Slovakia, 13-14 November 2008 (keynote address).Erturk, A., Bilgen, O., and Inman, D.J., 2008, Performance Analysis of Single Crystal PMN-PZT Unimorphs for Piezoelectric Energy Harvesting, Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Ellicott City, MD, 28-30 October 2008.
Erturk, A., Bilgen, O., Fontenille, M., and Inman, D.J., 2008, Piezoelectric Energy Harvesting from Macro-Fiber
Composites with an Application to Morphing Wing Aircrafts, Proceedings of the 19th International Conference on Adaptive Structures and Technologies, Monte Verità, Ascona, Switzerland, 6-9 October 2008.Bilgen, O., Erturk, A., Inman, D.J., and Kochersberger, K.B., 2008, Macro-Fiber Composite Actuated Thin Clamped-Free Benders and Thin Simply-Supported Morphing Airfoils, Proceedings of the 19th International Conference on Adaptive Structures and Technologies, Monte Verità, Ascona, Switzerland, 6-9 October 2008.
Erturk, A. and Inman, D.J., 2008, Piezoelectric Shunt Damping for Chatter Suppression in Machining Processes, Proceedings of the ISMA2008 International Conference on Noise and Vibration Engineering, Leuven, Belgium, 15-17 September 2008.
Erturk, A. and Inman, D.J., 2008, Electromechanical Modeling of Piezoelectric Energy Harvesters for Persistent Ambient Vibrations, The Mechanics Conference to Celebrate the 100th Anniversary of the Department of Engineering Science and Mechanics, Blacksburg, VA, 29-30 May 2008.
Erturk, A. and Inman, D.J., 2008, Analytical Modeling of Cantilevered Piezoelectric Energy Harvesters for Transverse and Longitudinal Base Motions,
Proceedings of the 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Schaumburg, IL, 7-10 April 2008.Erturk, A.
, Renno, J.M., and Inman, D.J., 2008, Energy Harvesting from a Piezoelectric Bender through Rigid Body Motion of a Two-Link Manipulator, Proceedings of the 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Schaumburg, IL, 7-10 April 2008.Erturk, A.
, Renno, J.M., and Inman, D.J., 2008, Piezoelectric Energy Harvesting from an L-Shaped Beam-Mass Structure, Proceedings of the 15th SPIE Annual International Symposium on Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring, San Diego, CA, 9-13 March 2008.Anton, S.R., Erturk, A., and Inman, D.J., 2008, Energy Harvesting from Small Unmanned Air Vehicles, Proceedings of the 17th International Symposium on Application of Ferroelectrics, 3rd Annual Energy Harvesting Workshop, Santa Fe, NM, 24-27 February 2008.
Erturk, A. , Anton, S.R., and Inman, D.J., 2007, Energy Harvesting from Rigid Body Motions, Proceedings of the 18th International Conference on Adaptive Structures and Technologies, Ottawa, Ontario, Canada, 3-5 October 2007.
Inman, D.J. and Erturk, A. , 2007, Energy Harvesting Using Smart Materials, Proceedings of the III. ECCOMAS Thematic Conference on Smart Structures and Materials, Gdansk, Poland, 9-11 July 2007 (keynote address).
Erturk, A. and Inman, D.J., 2007, Mechanical Considerations for Modeling of Vibration-Based Energy Harvesters, Proceedings of the ASME 2007 IDETC 21st Biennial Conference on Mechanical Vibration and Noise, Las Vegas, NV, 4-7 September 2007.
Erturk, A., Budak, E., and Ozguven, H.N., 2006, Selection of Design and Operational Parameters in Spindle-Holder-Tool Assemblies for Maximum Chatter Stability by Using a New Analytical Model, Proceedings of the 2nd CIRP International Conference on High Performance Cutting, Vancouver, BC, Canada, 12-13 June 2006 (selected for publication in a special issue of IJMTM, see above).
M.S. Thesis
Erturk, A., 2006, Dynamic Modeling of Spindle-Tool Assemblies in Machining Centers, M.S. Thesis, (xxii+202 pages), Department of Mechanical Engineering, Middle East Technical University, Ankara, Turkey, May 2006.