lobontiu

Nicolae Lobontiu

Professor
Office: ENGR 306
Phone: 786-1863
Email: nlobontiu@uaa.alaska.edu

Biography

Nicolae Lobontiu has been with the University of Alaska Anchorage since 2006 and is currently a Professor of Mechanical Engineering in the College of Engineering. He was also associated in research/teaching with the Technical University of Cluj-Napoca, Romania, Dynamic Structures and Materials LLC, Vanderbilt University, and Cornell University. He received his B.S. and Ph.D. degrees in Mechanical Engineering from the Technical University of Cluj-Napoca, Romania.  Dr. Lobontiu's research interests are related to flexure hinges, compliant mechanisms, vibrations, system dynamics, and micro/nano electromechanical systems.

Education

Ph.D. Technical University of Cluj-Napoca, Romania, 1996

B.S.Technical University of Cluj-Napoca, Romania, 1985

Career History

2006 – present, University of Alaska Anchorage, Anchorage, AK, College of Engineering, Associate Professor (2006 − 2010), Professor (2010 − )

2002 – 2004, Cornell University, Ithaca (NY), Sibley School of Mechanical and Aerospace Engineering, Research Scientist

2004 – 2006, Technical University of Cluj-Napoca, Romania, Department of Strength of Materials, Associate Professor

1999 – 2002, Dynamic Structures and Materials Corporation, Franklin (TN), Research Engineer

1997 – 1999, Vanderbilt University, Nashville (TN), Department of Mechanical Engineering, Postdoctoral Associate

1990 – 1997, Technical University of Cluj-Napoca, Romania, Department of Strength of Materials, Assistant Professor (1990-1994), Associate Professor (1994-1997)

1987 – 1990, Center for Laboratory Equipment Research and Development, Cluj-Napoca, Romania, R&D Mechanical Engineer

1985 – 1987, Center for Research and Engineering Technology, Cluj-Napoca, Romania, R&D Mechanical Engineer

Teaching Responsibilities

Current:

  • ES 209 Engineering Dynamics
  • ME/EE 306 Dynamics of Systems
  • ME 408/608 Mechanical Vibrations
  • ME 494H Engineering Finite Element Analysis

Past:

  • Mechanics of Materials
  • Advanced Mechanics of Materials
  • Thermal System Design
  • Mechanical Design
  • Measurement and Instrumentation
  • Automatic Controls

Professional and Departmental Service

  • Reviewer of professional journal papers and book manuscripts
  • Member of College/UAA committees for tenure & promotion and curriculum assessment

Publications

Books:

  1. Lobontiu, N., System Dynamics for Engineering Students: Concepts and Applications, Elsevier,2010.
  2. Lobontiu, N., Dynamics of Microelectromechanical Systems,Springer, 2007.
  3. Lobontiu, N., Mechanical Microresonators: Modeling, Design, and Applications, McGraw-Hill, 2005.
  4. Lobontiu, N. and Garcia, E., Mechanics of Microelectromechanical Systems, Kluwer Academic Press, 2004.
  5. Lobontiu, N., Compliant Mechanisms: Design of Flexure Hinges, CRC Press, 2002.

Journal Papers:

  1. Lobontiu, N., 'Compliance-Based Modeling and Design of Straight-Axis/Circular-Axis Flexible Hinges with Small Out-of-Plane Deformations', Mechanism and Machine Theory, Vol. 80, pp. 166-183, 2014.
  2. Lobontiu, N. 'Out-of-Plane (Diaphragm) Compliances of Circular-Axis Notch Flexible Hinges with Midpoint Radial Symmetry', Mechanics Based Design of Structures and Machines, Volume 42, pp. 517-537, 2014.
  3. Lobontiu, N. 'Compliance-Based Matrix Method for Modeling the Quasi-Static Response of Planar Serial Flexure-Hinge Mechanisms', Precision Engineering: Journal of the International Societies for Precision Engineering and Nanotechnology, Volume 38(3), pp. 639-650, 2014.
  4. Lobontiu, N., Cullin, M., Petersen, T., Alcazar, J., and Noveanu, S., 'Planar Compliances of Symmetric Notch Flexure Hinges: the Right Circularly Corner-Filleted Parabolic Design', IEEE Transactions on Automation Science and Engineering, Volume 11(1), pp. 169-176, 2014.
  5. Lobontiu, N. and Cullin, M., 'In-Plane Elastic Response of Two-Segment Circular-Axis Symmetric Notch Flexure Hinges: the Right Circular Design', Precision Engineering: Journal of the International Societies for Precision Engineering and Nanotechnology, Volume 37, pp. 542-555, 2013.
  6. Lobontiu, N., Cullin, M., Ali, M., and Hoffman, J., 'Planar Compliances of Thin Circular-Axis Notch Flexure Hinges with Midpoint Radial Symmetry', Mechanics Based Design of Structures and Machines, Volume 41(2), pp. 1-20, 2013.
  7. Lobontiu, N., 'Symmetry-Based Compliance Model of Multisegment Notch Flexure Hinges', Mechanics Based Design of Structures and Machines, Volume 40(2), pp. 185-205, 2012.
  8. Lobontiu, N., 'Bending Compliances of Generalized Symmetric Notch Flexure Hinges', Review of Scientific Instruments, Vol.83(1), pp. 016107-1 −016107-3, 2012.
  9. Lobontiu, N., Cullin, M., Ali, M., and McFerran-Brock,J., 'A Generalized Analytical Compliance Model for Transversely Symmetric Three-Segment Flexure Hinges', Review of Scientific Instruments, Vol.82 (10), pp. 105116-105124, 2011.
  10. Lobontiu, N., Ilic, B., Reissman, T., Garcia, E., and Craighead, H.G., 'Modeling, Design and Experimental Characterization of Bending-Resonant Circular Nanocantilevers', Micro and Nanosystems, Vol. 1 (1), pp. 22-29, 2009.
  11. Lobontiu, N., Ilic, B., Reissman, T., Garcia, E., and Craighead, H.G., 'Modeling, Design and Characterization of Multi-Segment Cantilevers for Resonant Mass Detection', Journal of Applied Physics, Vol. 103, pp. 064306-01 – 064306-10, 2008; also selected for the April 7, 2008 issue of Virtual Journal of Nanoscale Science & Technology.
  12. Lobontiu, N., Ilic, B., Garcia, E, Reissman, T.,Craighead, H.G., 'Modeling of Nanofabricated Paddle Bridges for Resonant Mass Sensing', Review of Scientific Instruments, Vol. 77, pp. 073301-1 - 073301-9, 2006.