Research Profile for Saravanos Dimitrios


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General
Structural Analysis and Smart Materials Group
Department of Mechanical and Aeronautical Engineering
Research Activity
Smart materials & adaptive structures, nanocomposites, composite materials and structures, structural health monitoring, structural dynamics, multi-functional materials, computational structural mechanics, nanomechanics.
 
Research Infrastructure
Dimitris A. Saravanos, Professor

SMART MATERIALS & STRUCTURES LAB
Testing of piezoelectric actuators & sensor
Structural Health monitoring
Active Shape Control

STRUCTURAL DYNAMICS LAB:
Acceleration (1D and 3D PCB and B&K), force, strain and temperature measurement
Impact force excitation through a range of impact hammers
Continuous force excitation (6lb and 50lb electromagnetic shakers)
8- and 4-channel high-speed dynamic data acquisition & spectral analyzer systems
Modal frequency, damping and mode shapes measurement
Composite Damping Characterization

COMPUTATIONAL FACILITIES:
Scalable Linux BEOWULF parallel Cluster (up to 40 nodes)
Network of Intel Workstations.

Research Activities
Optimisation for low Environmental Noise impact Aircraft (OPENAIR), FP7 – TRANSPORT, Principal Investigator.
Integrated Wind Turbine Design (UP-Wind); Int. Project; EU Research Framework FP6-Energy; Co-Investigator.
Aerospace Nanotube Hybrid Composite Structures with Sensing and Actuating Capabilities (NOESIS); FP6-Aero; Co-Investigator.
Smart Piezoelectric Composites with Damage Self-Monitoring Capabilities; Graduate Research Program - Heracleitos, Hellenic Ministry of Education; Principal Investigator.
Wind Turbine Rotor Blades For Enhanced Aeroelastic Stability And Fatigue Life Using Passively Damped Composites; 5th EU Research Framework - ENERGIE, Principal Investigator.
Theodosiou T.C. and Saravanos D.A. “Numerical Modeling of Single-Wall Carbon Nanotubes Electro-mechanical Coupling Effects Using Nanoscale Models”, J. of Intelligent Material Systems and Structures, accepted.
Chrysochoidis N. A. and Saravanos D. A. “High Frequency Dispersion Characteristics of Smart Delaminated Composite Beams” J. of Intelligent Material Systems and Structures, in press, (tentative Vol. 20:9, June 2009)
Plagianakos T. S. and Saravanos D. A. “Higher-Order Layerwise Laminate Theory for the prediction of Interlaminar Shear Stresses in Thick Composite and Sandwich Composite Plates”, Composite Structures, in press
Plagianakos T. S. and Saravanos D. A. “High-Order Layerwise Finite Element for the Damped Free-Vibration Response of Thick Composite and Sandwich Composite Plates”, Int. J. of Numerical Methods in Engineering,; Vol. 77, 2009, pp. 1593–1626
Chrysochoidis N. A. and Saravanos D. A. “Generalized Layerwise Mechanics for the Static and Modal Response of Delaminated Composite Beams with Active Piezoelectric Sensors”, Intern. Journal of Solids and Structures, Vol 44, No. 25-26, 2007, pp. 8751-8768
Theodosiou T.C. and Saravanos D.A. “Molecular Mechanics Based Finite Element for Carbon Nanotube Modeling”, Computer Modeling in Engineering & Science, Vol.19, No.2, 2007, pp. 121-134.
Varelis D. and Saravanos D. A. “Nonlinear Mechanics Framework and Finite Element for Active Multi-Stable Thermal Piezoelectric Shells,” Int. J. of Numerical Methods in Engineering, Vol. 76:1, 2008, pp. 84.
Saravanos D. A., Varelis D., Plagianakos T. S. and Chrysochoidis N. “A Shear Beam Finite Element for the Damping Analysis of Tubular Laminated Composite Beams,” Journal of Sound and Vibration, Vol. 291, No. 3-5, April 2006, pp. 802-823.
Varelis D. and Saravanos D. A. “Small Amplitude Free Vibration Analysis of Piezoelectric Composite Plates Subject to Large Deflections and Initial Stresses,” ASME J. of Vibration and Acoustics, Transactions of the ASME, Vol. 128, No. 1, Feb. 2006, pp. 41-49.
Varelis D. and Saravanos D. A. “Mechanics and Finite Element for the Non-Linear Quasi-Static Response of Active Piezoelectric-Composite Shells,” Int. J. of Numerical Methods in Engineering, in press, Jul. 2005.
Plagianakos T. S. and Saravanos D. A. “Coupled High-Order Shear Layerwise Analysis of Adaptive Sandwich Composite Beams with Piezoelectric Actuators and Sensors,” AIAA Journal, Vol. 43, No. 4, pp. 885-894, Apr. 2005.
Chrysohoidis N. A. and Saravanos D. A. “Assessing the Effects of Delamination on the Damped Dynamic Response of Composite Beams with Piezoelectric Actuators and Sensors,” Smart Materials and Structures, Vol. 13, No. 4, pp. 733-42, May 2004.
Plagianakos T. S. and Saravanos D. A. “High-Order Layerwise Mechanics and Finite Element for the Damped Dynamic Characteristics of Sandwich Composite Beams,” International Journal of Solids and Structures, Vol. 41, No. 24-25, pp. 6853-6871, 2004.
Varelis D. and Saravanos D. A., “Coupled Buckling and Postbuckling Analysis of Laminated Piezoelectric Composite Plates with Large Displacement and Stress Nonlinearity,” Intern. J. of Solids and Structures, Vol. 41, pp.1519-38, 2004.
Plagianakos T. S. and Saravanos D. A. “Hybrid Multi-damped Composite Plates with Viscoelastic Composite Plies and Shunted Piezoelectric Layers,” Journal of Intelligent Materials Systems and Structures, Vol. 14, No. 1, pp. 1-66, Jan. 2003.
Lee H. J. and Saravanos D.A. "Mixed Multi-Field Finite Element Formulation for Thermopiezoelectric Composite Shells," Int. Journal of Solids and Structures, Vol. 37, 2000, pp. 4949-4967.
Saravanos D. A. and Heyliger P. R. "Mechanics and Computational Models for Laminated Piezoelectric Beams, Plates, and Shells," Applied Mechanics Reviews, Vol. 52, No. 10, 1999, pp. 305-320.
Kaljevic I. and Saravanos D. A. "Steady-State Response of Acoustic Cavities Bounded by Piezoelectric Composite Shell Structures," Journal of Sound and Vibration, Vol. 205, No. 3, July 1997, pp. 459-476.
Saravanos D. A. "Mixed Laminate Theory and Finite Element for Smart Piezoelectric Composite Shell Structures," AIAA J., Vol. 35, No. 8, pp. 1327-1333, 1997
Saravanos D. A., Heyliger P. R. and Hopkins D.A. "Layerwise Mechanics and Finite Element for the Dynamic Analysis of Piezoelectric Composite Plate Structures," International Journal of Solids and Structures, Vol. 34, No. 3, 1997, pp. 359-378
Birman V., Saravanos D.A. and Hopkins D.A., "Micromechanics of Composites With Shape Memory Alloy Fibers in Uniform Thermal Fields," AIAA Journal, Vol. 34, No.9, Aug. 1996, pp. 1905-1912.
Saravanos D. A. and Hopkins D. A., "Effects of Delaminations on the Damped Dynamic Characteristics of Composite Laminates: Mechanics and Experiments," J. of Sound and Vibration, Vol. 192, No. 5, May 1996, pp. 997-993
Heyliger P. R. and Saravanos D. A., "Exact Free-Vibration Analysis of Laminated Plates with Embedded Piezoelectric layers," Journal of Accoustical Society of America., Vol. 98, No. 3, 1995, pp. 1547-1557
Saravanos D.A. and Heyliger P.R. "Coupled Layerwise Analysis of Composite Beams with Embedded Piezoelectric Sensors and Actuators," Journal of Intelligent Material Systems and Structures, Vol. 6, No. 3, 1995, pp. 350-363.
Saravanos, D. A. and Pereira J.M., "Dynamic Characteristics of Specialty Composite Structures with Embedded Damping Layers," Journal of Vibration and Acoustics, Transactions of the ASME, Vol. 117, No. 1, 1995, pp. 62-69.
Saravanos, D. A. and Chamis, C. C., "Mechanics of Damping for Fiber Composite Laminates Including Hydro-Thermal Effects," AIAA Journal, Vol. 28, No. 10, Oct. 1990, pp. 1813-1819.
 
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