Publications

Peter Avitabile has written many papers over the years covering experimental test techniques, structural dynamic modification, estimation of rotational dof, correlation of analytical/experimental modal models, analytical model improvement and nonlinear response techniques for linear modal models.

• Force Customization to Neutralize Fixture-Test Article Dynamic Interaction, J.M. Reyes, P.Avitabile, Proceedings of the Thirty-Sixth International Modal Analysis Conference, Orlando, Florida, Feb 2018
• Updated Reduced Order Model Development for Forced Response Predictions, J.M. Reyes, P.Logan, Y.Chen, T.Schoenherr, P.Avitabile, Proceedings of the Thirty-Sixth International Modal Analysis Conference, Orlando, Florida, Feb 2018
• Mode Shape Effects on the Measurability of Bragg Scattered Acoustic Signals in Underwater Localization Applications, D.Joffre, C.Niezrecki, P.Avitabile, Proceedings of the Thirty-Sixth International Modal Analysis Conference, Orlando, Florida, Feb 2018
• Impact Reconstruction using Modal Filters, P.Logan, J.Dodson, P.Avitabile, Proceedings of the Thirty-Sixth International Modal Analysis Conference, Orlando, Florida, Feb 2018
• Non-Model Based Expansion from Limited Points to Full-Field using Chebyshev Polynomial: Modal Shape Expansion., Y.Chen, J.Dodson, P.Avitabile, Proceedings of the Thirty-Sixth International Modal Analysis Conference, Orlando, Florida, Feb 2018
• Non-Model Based Expansion from Limited Points to Full-Field using Chebyshev Polynomial: Time Response Expansion., Y.Chen, J.Dodson, P.Avitabile, Proceedings of the Thirty-Sixth International Modal Analysis Conference, Orlando, Florida, Feb 2018
• A Multiple Stereo-Vision Approach using Three Dimensional Digital Image Correlation for Utility-Scale Wind Turbine Blades, P.Poozesh, C.Niezrecki, P.Avitabile, Proceedings of the Thirty-Sixth International Modal Analysis Conference, Orlando, Florida, Feb 2018
• Proper Projection Vectors for the Expansion of Measured Experimental Modal Data, P.Avitabile, submitted to Journal of Engineering Mechanics, June 2016, approved with minor edits January 2017
• Reduced Model Approximation Approach Using Model Updating Methodologies, T.Marinone, T.Dardeno, P.Avitabile, submitted to Journal of Engineering Mechanics, June 2016, approved with edits January 2017
• Adjustment of Vibration Response to Account for Fixture-Test Article Dynamic Coupling Effects, J.M. Reyes, P.Avitabile, Proceedings of the Thirty-Fifth International Modal Analysis Conference, Garden Grove, CA, Feb 2017
• Modal vs Inertial Shakers: Effects on FRFs, D. Joffre, P. Avitabile, Proceedings of the Thirty-Fifth International Modal Analysis Conference, Garden Grove, CA, Feb 2017
• Similitude Analysis of the Frequency Response Function for Scaled Structures, M.E. Asl, C. Niezrecki, P.Avitabile, Proceedings of the Thirty-Fifth International Modal Analysis Conference, Garden Grove, CA, Feb 2017
• Validation of Time and Frequency Domain Methods for Calibration of Non-Contacting Force Excitation, P. Logan, T. Dardeno, P.Avitabile, Proceedings of the Thirty-Fifth International Modal Analysis Conference, Garden Grove, CA, Feb 2017
• Modal parameter estimation using blind source separation and least square complex frequency domain, P. Poozesh, C. Niezrecki, Z. Mao, P. Avitabile, Proceedings of the Thirty-Fifth International Modal Analysis Conference, Garden Grove, CA, Feb 2017
• Using High Speed Stereo-Photogrammetry and Phased-Based Motion Magnification Techniques to Extract Operating Modal Data, P. Poozesh, C. Niezrecki, Z. Mao, P. Avitabile, Proceedings of the Thirty-Fifth International Modal Analysis Conference, Garden Grove, CA, Feb 2017
• Dynamic Focused Ultrasound Radiation Force Generated by Ultrasonic Transducer – Part I: Modelling, S. Chen, C. Niezrecki, P. Avitabile, Proceedings of the Thirty-Fifth International Modal Analysis Conference, Garden Grove, CA, Feb 2017
• Underwater Dynamic Response at Limited Points Expanded to Full-Field Displacement Response, Y. Chen, D. Joffre, P. Avitabile, Proceedings of the Thirty-Fifth International Modal Analysis Conference, Garden Grove, CA, Feb 2017
• Response of Highly Reduced Order Linear Cascaded Components with Nonlinear Component Interconnections with Full Space Expansion,  P.Avitabile, submitted to Systems Journal, invited paper submitted May 2016
• Large-area photogrammetry based testing of wind turbine blades, P.Poozesh, J.Baqersad, C.Niezrecki, P.Avitabile, E.Harvey, R.Yarala, Mechanical Systems and Signal Processing (2016), http://dx.doi.org/10.1016/j.ymssp.2016.07.021i
• Developments in the Prediction of Full Field Dynamics for the Nonlinear Forced Response of Reduced Order System Models, S.Obando, P.Avitabile, Proceedings of the Thirty-Fourth International Modal Analysis Conference, Orlando, FL, Feb 2016
• Improving mass sensitivity technique to scale operating deflection shapes, P.Poozesh; D.Sabino, C.Niezrecki, P.Avitabile, Proceedings of the Thirty-Fourth International Modal Analysis Conference, Orlando, FL, Feb 2016
• Design of Scaled-Down Composite I-beams for Dynamic Characterization in Subcomponent Testing of a Wind Turbine Blade, M.EydaniAsl1, C.Niezrecki, J.Sherwood,, P.Avitabile, Proceedings of the Thirty-Fourth International Modal Analysis Conference, Orlando, FL, Feb 2016
• A Study on the Dynamic Interaction of Shock Response Fixtures and Test Payload, J.Reyes, P.Avitabile, Proceedings of the Thirty-Fourth International Modal Analysis Conference, Orlando, FL, Feb 2016
• Calibration of Non-Contacting Force Excitation, Part 1: Frequency Domain Methods, P.Logan, P.Avitabile, Proceedings of the Thirty-Fourth International Modal Analysis Conference, Orlando, FL, Feb 2016
• Calibration of Non-Contacting Force Excitation, Part 2: Time Domain Approaches, T.Dardeno, P.Avitabile, Proceedings of the Thirty-Fourth International Modal Analysis Conference, Orlando, FL, Feb 2016
• Experimental Mapping of the Acoustic Field Generated by Ultrasonic Transducers, S.Chen, C.Niezrecki, P.Avitabile, P.Logan, T.Dardeno, Proceedings of the Thirty-Fourth International Modal Analysis Conference, Orlando, FL, Feb 2016
• Full-field dynamic strain prediction on a wind turbine using displacements of optical targets measured by stereophotogrammetry, J.Baqersad, P.Poozesh, C.Niezrecki, P.Avitabile, Mechanical Systems and Signal Processing (2015), http://dx.doi.org/10.1016/j.ymssp.2015.03.021
• Extracting full-field dynamic strain on a wind turbine rotor subjected to arbitrary excitations using 3D point tracking and a modal expansion technique , J.Baqersad, C.Niezrecki, P.Avitabile, Journal of Sound and Vibration (2015),  http://dx.doi.org/10.1016/j.jsv.2015.04.026
• Photogrammetry and optical methods in structural dynamics – A review , J.Baqersad, P.Poozesh, C.Niezrecki, P.Avitabile, Mechanical Systems and Signal Processing (2016), http://dx.doi.org/10.1016/j.ymssp.2016.02.011
• Full-Field Strain Monitoring of a wind Turbine Using Very Limited Set of Displacements Measured with Three Dimensional Point Tracking, J.Baqersad, P.Pozesh, C.Niezrecki, P.Avitabile, DETC2015-47413ASME IDETC/CIE 2015, Boston, MA, August 2015
• Extracting Full-Field Dynamic Strain Response of a Rotating Wind Turbine Using Photogrammetry, J.Baqersad, P.Pozesh, C.Niezrecki, P.Avitabile, SPIE/NDE, San Diego, March 2015
• Predicting Full-Field Strain on a Wind Turbine for Arbitrary Excitations Using Displacements of Optical Targets Measured with Photogrammetry Technique, J.Baqersad, C.Niezrecki, P.Avitabile, Proceedings of the Thirty-Third International Modal Analysis Conference, Orlando, FL, Feb 2015
• Prediction of  Forced Response using Expansion of Perturbed Reduced Order Models with Inexact Representation of System Modes, S.Obando, P.Avitabile, Proceedings of the Thirty-Third International Modal Analysis Conference, Orlando, FL, Feb 2015
• Use of 3D Scanning Laser Vibrometer for Full Field Strain Measurements, J.Reyes, P.Avitabile, Proceedings of the Thirty-Third International Modal Analysis Conference, Orlando, FL, Feb 2015
• Some Non-Conventional Modal Test Boundary Conditions, T.Dardeno, P.Logan, P.Avitabile, Proceedings of the Thirty-Third International Modal Analysis Conference, Orlando, FL, Feb 2015
• Predicting the Vibration Response in Subcomponent Testing of Wind Turbine Blades using Scaled Models, M.EydaniAsl, C.Niezrecki, J.Sherwood , P.Avitabile, Proceedings of the Thirty-Third International Modal Analysis Conference, Orlando, FL, Feb 2015
• Prediction of Nonlinear Forced Response on Ancillary Subsystem Components Attached to Reduced Linear Systems, S.Obando , P.Avitabile, Proceedings of the Thirty-Third International Modal Analysis Conference, Orlando, FL, Feb 2015
• Model Reduction of Hollow Equivalent Regions (MR-HER), K.Truong , P.Avitabile, Proceedings of the Thirty-Third International Modal Analysis Conference, Orlando, FL, Feb 2015
• A Non-Contacting Approach for Full-Field Strain Monitoring of Rotating Structures, J.Baqersad, P.Poozesh, C.Niezrecki, P.Avitabile, ASME Journal of Vibration and Acoustics JUNE 2016, Vol. 138 / 031008-1, submitted Spring 2015, paper VIB-15-1123 accepted with minor revisions October 4, 2015, finalizing revision DOI: 10.1115/1.4032721. 
• Digital Image Correlation Based Testing of Utility-Scale Wind Turbine Blades, P.Poozesh, J.Baqersad, C.Niezrecki, P.Avitabile, E.Harvey, RYarala, invited special edition requested paper submitted to Mechanical Systems and Signal Processing Journal, October 2015
• Numerical and Experimental Analysis of the Boundary Conditions Effects on the Dynamics of Wind Turbines, J.Baqersad, C.Niezrecki, P.Avitabile, Wind Energy, Vol 39, No. 4, p437-452, 2015
• Full-Field Dynamic Strain Prediction on a Wind Turbine using Displacements of Optical Targets Measured by Stereophotogrammetry J. Baqersad, C. Niezrecki, and P. Avitabile,  Mechanical Systems and Signal Processing Journal, Accepted, In Press, doi:10.1016/j.ymssp.2015.03.021, 2015.
• System Model Modes Developed from Expansion of Uncoupled Component Dynamic Data, P.Avitabile C.Nonis, S.Obando, Journal of Mechanical Engineering, Journal of Mechanical Engineering 60(2014)5, 287-297, SI 59, DOI:10.5545/sv-jme.2014.1829
• Inspection and monitoring of wind turbine blade-embedded wave defects during fatigue testing, Niezrecki, C., Avitabile, P., Chen, J., Sherwood, J., Lundstrom, T., LeBlanc, B., Hughes, S., Desmond, M., Beattie, A., Rumsey, M., Klute, S. M., Pedrazzani, R., Werlink, R., and Newman, J., Structural Health Monitoring, Vol. 13(6) pp. 629-643, 2014.
• Some Recent Advances in Measured Data Expansion for Full-Field Dynamic Strain, Nonlinear Response, Force Estimation and Damage Detection Approaches, P.Avitabile, invited keynote speech for the Second International Conference on Advances in Structural Health Management and Composite Structures (ASHMCS 2014), Jeonju, Jeonbuk, South Korea
• Efficient Reduced Order Nonlinear Response with Expansion for Full Field Results, P.Avitabile, J.Harvie, S.Obando, EURODYN 2011, July 2014 in Porto, Portugal
• Using Digital Image Correlation and Three Dimensional Point Tracking in Conjunction With Real Time Operating Data Expansion Techniques To Predict Full-Field  Dynamic Strain, P.Avitabile, J.Baqersad, C.Niezrecki, AIVELA 2014, June 2014 in Ancona, Italy
• Prediction of Full-Field Dynamic Strain on a Three-Bladed Wind Turbine using Three Dimensional Point Tracking and Expansion Technique, J.Baqersad, C.Niezrecki, P.Avitabile, SPIE/NDE, San Diego, March 2014
• Full-Field Inspection of a Utility Scale Wind Turbine Blade using Digital Image Correlation, P.Poozesh, J.Baqersad, C.Niezrecki, P.Avitabile, CAMx The Composites and Advanced Materials, Orlando, FL, May 2014
• An Improved Expansion Process for Guyan Reduced Models - Technique for Improved Guyan Expansion Reconstruction (TIGER) J.Harvie, P.Avitabile, Proceedings of the Thirty-Second International Modal Analysis Conference, Orlando, FL, Feb. 2014 Abstract available upon request.
  
• Shock Response Fixture Developed From Analytical and Experimental Data and Customized Using Structural Dynamics Modification Techniques K. Aizawa, P.Avitabile, Proceedings of the Thirty-Second International Modal Analysis Conference, Orlando, FL, Feb. 2014 Abstract available upon request.
  
• Full Field Dynamic Strain on Wind Turbine Blade Using Digital Image Correlation Techniques and Limited Sets of Measured Data from Photogrammetric Targets J.Carr, C.Niezrecki, P.Avitabile, Proceedings of the Thirty-Second International Modal Analysis Conference, Orlando, FL, Feb. 2014 Abstract available upon request.
  
• Effects of Boundary Conditions on the Structural Dynamics of Wind Turbine Blades. Part 1: Flapwise Modes J.Baqersad, C.Niezrecki, P.Avitabile, Proceedings of the Thirty-Second International Modal Analysis Conference, Orlando, FL, Feb. 2014 Abstract available upon request.
  
• Effects of Boundary Conditions on the Structural Dynamics of Wind Turbine Blades. Part 2: Edgewise Modes J.Baqersad, C.Niezrecki, P.Avitabile, Proceedings of the Thirty-Second International Modal Analysis Conference, Orlando, FL, Feb. 2014 Abstract available upon request.
  
• Computationally Efficient Nonlinear Dynamic Analysis For Stress/Strain Applications J.Harvie, P.Avitabile, Proceedings of the Thirty-Second International Modal Analysis Conference, Orlando, FL, Feb. 2014 Abstract available upon request.
  
• Comparison of Modal Parameters Extracted Using MIMO, SIMO, and Impact Hammer Tests on a Three-Bladed Wind Turbine J.Baqersad, P.Poozesh, C.Niezrecki, P.Avitabile, Proceedings of the Thirty-Second International Modal Analysis Conference, Orlando, FL, Feb. 2014 Abstract available upon request.
  
• Use of Zernike Polynomials for Modal Vector Correlation of Small Turbine Blades J.Salerno, P.Avitabile, Proceedings of the Thirty-Second International Modal Analysis Conference, Orlando, FL, Feb. 2014 Abstract available upon request.
  
• Prediction of Forced Response on Ancillary Subsystem Components Attached to Reduced Linear Systems S.Obando, P.Avitabile, Proceedings of the Thirty-Second International Modal Analysis Conference, Orlando, FL, Feb. 2014 Abstract available upon request.
  
• Hybrid EMA/OMA Data Collection/Reduction for Improved Modal Characterization S.Obando, P.Avitabile, Proceedings of the Thirty-Second International Modal Analysis Conference, Orlando, FL, Feb. 2014 Abstract available upon request.
  
• Reduced Order System Model Nonlinear Response and Expansion for Full Field Results, J.Harvie, S.Obando, P.Avitabile, Recent Advances in Structural Dynamics, Pisa, Italy, July 2013 Abstract available upon request.
  
• System Model Modes Developed from Expansion of Uncoupled Component Dynamic Data, C.Nonis, P.Avitabile, Recent Advances in Structural Dynamics, Pisa, Italy, July 2013 Abstract available upon request.
  
• Prediction of Full Field Dynamic Strain from Limited Sets of Measured Data, P.Avitabile, P.Pingle, Shock and Vibration 19 (2012) DOI 10.3233/SAV-2012-0686, pp 765-785 Abstract available upon request.
  
• Comparison of Full Field Strain Distributions to Predicted Strain Distributions from Limited Sets of Measured Data for SHM Applications, E.Harvey, J.Ruddock, P.Avitabile, Tenth International Conference on Damage Assessment to Structures, Dublin, Ireland, July 2013 Abstract available upon request.
  
• Expansion of Transient Operating Data, C.Chipman, P.Avitabile, Mechanical Systems and Signal Processing, 10.1016/j.ymssp.2012.04.013, accepted April 2012 Abstract available upon request.
  
• Equivalent Reduced Model Technique for Nonlinear Dynamic Response, L.Thibault, P.Avitabile, J.Foley, J.Wolfson, Mechanical Systems and Signal Processing, 10.1016/j.ymssp.2012.07.013 July 2012 pp. 422-455 Abstract available upon request.
  
• Efficient Computational Nonlinear Dynamic Analysis Using Modal Modification Response Technique, T.Marinone, P.Avitabile, J.Foley, J.Wolfson, Mechanical Systems and Signal Processing, ISSN 0888-3270, 10.1016/j.ymssp.2012.02.011, accepted March 2012 Abstract available upon request.
  
• Variability Improvement of Key Inaccurate Node Groups - VIKING, L.Thibault, A.Butland, P.Avitabile, Mechanical Systems and Signal Processing, submitted for review, September 2011 Abstract available upon request.
  
• A Reduced Model Approximation Approach Using Model Updating Methodologies, T.Marinone, A.Butland, P.Avitabile, Mechanical Systems and Signal Processing, submitted for review, September 2011 Abstract available upon request.
  
• Analysis and Dynamic Characterization of a Resonant Plate for Shock Testing, R.Hsieh, R.Moore, S.Sroka, J.Lake, C,Stull, P.Avitabile, Proceedings of the Thirty-First International Modal Analysis Conference, Garden Grove, CA, Feb. 2013 Abstract available upon request.
  
• Predicting Dynamic Strain on Wind Turbine Blade using Digital Image Correlation Techniques in Conjunction with Analytical Expansion Methodologies, J.Carr, J.Baqersad, C.Niezrecki, P.Avitabile, Proceedings of the Thirty-First International Modal Analysis Conference, Garden Grove, CA, Feb. 2013 Abstract available upon request.
  
• Effects of Precise FRF Measurements for Frequency Based Substructuring, J.Harvie, P.Avitabile, Proceedings of the Thirty-First International Modal Analysis Conference, Garden Grove, CA, Feb. 2013 Abstract available upon request.
  
• Some Considerations on Boundary Conditions in Dynamic Testing, J.Harvie, P.Avitabile, Proceedings of the Thirtieth International Modal Analysis Conference, Jacksonville, FL, Feb. 2012 Abstract available upon request.
  
• Comparison of Some Wind Turbine Blade Tests in Various Configurations, J.Harvie, P.Avitabile, Proceedings of the Thirtieth International Modal Analysis Conference, Jacksonville, FL, Feb. 2012 Abstract available upon request.
  
• Validation of a Finite Element Model used for Dynamic Stress-Strain Prediction, J.LoPiccolo, J.Carr,, C.Niezrecki, P.Avitabile, Proceedings of the Thirtieth International Modal Analysis Conference, Jacksonville, FL, Feb. 2012 Abstract available upon request.
  
• Dynamic Stress-Strain on Turbine Blade using Digital Image Correlation Techniques, Part 1 – Static Calibration, J.Carr, J.Baqersad, C.Niezrecki, P.Avitabile, Proceedings of the Thirtieth International Modal Analysis Conference, Jacksonville, FL, Feb. 2012 Abstract available upon request.
  
• Dynamic Stress-Strain on Turbine Blade using Digital Image Correlation Techniques, Part 2 – Dynamic Measurements, J.Carr, J.Baqersad, C.Niezrecki, P.Avitabile, Proceedings of the Thirtieth International Modal Analysis Conference, Jacksonville, FL, Feb. 2012 Abstract available upon request.
  
• Passive Noise Reduction Using the Modally Enhanced Dynamic Absorber, C.Page, C.Niezrecki, P.Avitabile, Proceedings of the Thirtieth International Modal Analysis Conference, Jacksonville, FL, Feb. 2012 Abstract available upon request.
  
• Modal Testing of 9m CX-100 turbine Blades, T.Marinone, B.LeBlanc, C.Niezrecki, P.Avitabile, Proceedings of the Thirtieth International Modal Analysis Conference, Jacksonville, FL, Feb. 2012 Abstract available upon request.
  
• Comparison of Modal Parameters Estimated from Operational and Experimental Modal Analysis Approaches, L.Thibault, T.Marinone, P.Avitabile, C.D.VanKarsen, Proceedings of the Thirtieth International Modal Analysis Conference, Jacksonville, FL, Feb. 2012 Abstract available upon request.
  
• Surface Stitching of a Wind Turbine Blade Using Digital Image Correlation, B.LeBlanc, C.Niezrecki, P.Avitabile, Proceedings of the Thirtieth International Modal Analysis Conference, Jacksonville, FL, Feb. 2012 Abstract available upon request.
  
• Developing a Finite Element Model in Conjunction with Modal Test for Wind Turbine Blade Models, E.Harvey, P.Avitabile, C.Niezrecki, Proceedings of the Thirtieth International Modal Analysis Conference, Jacksonville, FL, Feb. 2012 Abstract available upon request.
  
• Alternate Techniques/New Approaches for Identification of Full Field Dynamic Stress Strain from Limited Sets of Measured Data, P.Avitabile, International Conference on Experimental Dynamics, ICEDYN Conference Keynote speech/paper to be presented June 2011, Tavira, Portugal Abstract available upon request.
  
• Full Field Numerical Stress-Strain from Dynamic Experimental Measured Data, P.Pingle, C.Niezrecki, P.Avitabile, EURODYN 2011, to be presented July 2011, Leuven, Belgium. Abstract available upon request.
  
• Comparison of FRF Measurements and Mode Shapes Determined Using Optically-Image Based, Laser, and Accelerometer Measurements, C.Warren, C.Niezrecki, P.Pingle, P.Avitabile, Mechanical Systems and Signal Processing, accepted for publication January 2011, 10.1016/j.ymssp.2011.01.018 Abstract available upon request.
  
• 3D Digital Image Correlation Methods for Full-Field Vibration Measurement, M.Helfrick, C.Niezrecki, P.Avitabile, Mechanical Systems and Signal Processing, (accepted for publication September 2010, 10.1016/j.ymssp.2010.08.013), Volume 25, Issue 3, p. 917-927 Abstract available upon request.
  
• Conditioning of FRF Measurements for Use with Frequency Based Substructuring, D.Nicgorski, P.Avitabile, Mechanical Systems and Signal Processing, (10.1016/j.ymssp.2009.07.013), Volume 24, Issue 2, February 2010, Pages 340-351. Abstract available upon request.
  
• Experimental Issues Related to Frequency Response Functions for Frequency Based Substructuring, D.Nicgorski, P.Avitabile, Mechanical Systems and Signal Processing, (10.1016/j.ymssp.2009.09.006), Volume 24, Issue 5, July 2010, Pages 1324-1337. Abstract available upon request.
  
• A Reduced Order, Test Verified Component Mode Synthesis Approach for System Modeling Applications, A.Butland, P.Avitabile, Mechanical Systems and Signal Processing, (10.1016/j.ymssp.2009.08.008), Volume 24, Issue 4, May 2010, Pages 904-921. Abstract available upon request.
  
• Full Field Inspection of a Wind Turbine Blade Using 3D Digital Image Correlation, B.LeBlanc,C. Niezrecki, S.Hughes, P.Avitabile, J.Chen, and J.Sherwood, Proceedings of the SPIE Symposium on Smart Structures & Materials/NDE for Health Monitoring, San Diego, California, March, 2011, accepted.  Abstract available upon request.
  
• Dynamic Uncoupling of a System Model for Component Identification, D.Cloutier, P.Avitabile, Proceedings of the Twenty-Ninth International Modal Analysis Conference, Jacksonville, FL, Feb. 2011 Abstract available upon request.
  
• Determination of Wind Turbine Operating Deflection Shapes Using Full-field 3D Point-tracking, C.Warren, C.Niezrecki, P.Avitabile, Proceedings of the Twenty-Ninth International Modal Analysis Conference, Jacksonville, FL, Feb. 2011 Abstract available upon request.
  
• Hybrid Sets of Merged Data for Modal Model Applications, B.LeBlanc, L.Thibault, P.Avitabile, Proceedings of the Twenty-Ninth International Modal Analysis Conference, Jacksonville, FL, Feb. 2011 Abstract available upon request.
  
• FRF Measurements and Mode Shapes Determined Using Optically-based 3D Point-tracking, C.Warren, C.Niezrecki, P.Avitabile, Proceedings of the Twenty-Ninth International Modal Analysis Conference, Jacksonville, FL, Feb. 2011 Abstract available upon request.
  
• Full Field Dynamic Stress/Strain Estimation From Limited Sets of Measured Data, P.Pingle, P.Avitabile, Proceedings of the Twenty-Ninth International Modal Analysis Conference, Jacksonville, FL, Feb. 2011 Abstract available upon request.
  
• Limited Experimental Displacement Data Used for Obtaining Full-field Dynamic Stress/Strain, P.Pingle, P.Avitabile, Proceedings of the Twenty-Ninth International Modal Analysis Conference, Jacksonville, FL, Feb. 2011 Abstract available upon request.
  
• Prediction of Full Field Dynamic Stress/Strain from Limited Sets of Measured Data, P.Pingle, P.Avitabile, Proceedings of the Twenty-Eighth International Modal Analysis Conference, Jacksonville, FL, Feb. 2010 Abstract available upon request.
  
• Investigation on the Use of Various Decoupling Approaches, D.Cloutier, P.Avitabile, Proceedings of the Twenty-Eighth International Modal Analysis Conference, Jacksonville, FL, Feb. 2010 Abstract available upon request.
  
• Comparison of Image Based, Laser, and Accelerometer Measurements, C.Warren, P.Pingle, C.Niezrecki, P.Avitabile, Proceedings of the Twenty-Eighth International Modal Analysis Conference, Jacksonville, FL, Feb. 2010 Abstract available upon request.
  
• Effects of Shaker Test Set Up on Measured Natural Frequencies and Mode Shapes, C.Warren, P.Avitabile, Proceedings of the Twenty-Eighth International Modal Analysis Conference, Jacksonville, FL, Feb. 2010 Abstract available upon request.
  
• Optical Non-contacting Vibration Measurement of Rotating Turbine Blades II, C.Warren, C.Niezrecki, P.Avitabile, Proceedings of the Twenty-Eighth International Modal Analysis Conference, Jacksonville, FL, Feb. 2010 Abstract available upon request.
  
• Component Mode Synthesis using Reduced Order Test Verified Components, A.Butland, P.Avitabile, Proceedings of the Twenty-Seventh International Modal Analysis Conference, Orlando, FL, Feb. 2009 Abstract available upon request.
  
• Conditioning of FRF Measurements for use with Frequency Based Substructuring, D.Nicgorski, P.Avitabile, Proceedings of the Twenty-Seventh International Modal Analysis Conference, Orlando, FL, Feb. 2009 Abstract available upon request.
  
• Expansion of Transient Operating Data, C.Chipman, P.Avitabile, Proceedings of the Twenty-Seventh International Modal Analysis Conference, Orlando, FL, Feb. 2009 Abstract available upon request.
  
• Comparison of 3D laser Vibrometer and Accelerometer Frequency Measurements, P.Pingle, P.Avitabile, Proceedings of the Twenty-Seventh International Modal Analysis Conference, Orlando, FL, Feb. 2009 Abstract available upon request.
  
• Optical Non-contacting Vibration Measurement of Rotating Turbine Blades, M.Helfrick, P.Pingle, C.Niezrecki, P.Avitabile, Proceedings of the Twenty-Seventh International Modal Analysis Conference, Orlando, FL, Feb. 2009 Abstract available upon request.
  
• Using Full-Field Vibration Measurement Techniques for Damage Detection, M.Helfrick, P.Pingle, C.Niezrecki, P.Avitabile, Proceedings of the Twenty-Seventh International Modal Analysis Conference, Orlando, FL, Feb. 2009 Abstract available upon request.
  
• Shaker/Stinger Effects on Measured Frequency Response Measurements, D.Cloutier, P.Avitabile, Proceedings of the Twenty-Seventh International Modal Analysis Conference, Orlando, FL, Feb. 2009 Abstract available upon request.
  
• Comparison of Dynamic Characteristics of Various Performance Level Snowboards, A.Butland, P.Avitabile, Proceedings of the Twenty-Sixth International Modal Analysis Conference, Orlando, FL, Feb. 2008  Abstract available upon request.
  
• Investigation on the Modal Characteristics of Some Composite Laminate Configurations, D.Nicgorski, P.Avitabile, Proceedings of the Twenty-Sixth International Modal Analysis Conference, Orlando, FL, Feb. 2008  Abstract available upon request.
  
• Estimation of Rigid Body Modes for System Model Development, A.Williams, P.Avitabile, Proceedings of the Twenty-Sixth International Modal Analysis Conference, Orlando, FL, Feb. 2008  Abstract available upon request.
  
• Improvements in Modal Parameter Extraction Through Post-Processing Frequency Response Function Estiamtes, B.Gur, C.Niezrecki, P.Avitabile, Proceedings of the Twenty-Sixth International Modal Analysis Conference, Orlando, FL, Feb. 2008  Abstract available upon request. 
• Expansion of Real Time Operating Data for Improved Visualization, C.Chipman, P.Avitabile, Proceedings of the Twenty-Sixth International Modal Analysis Conference, Orlando, FL, Feb. 2008  Abstract available upon request.
  
• Modal and Frequency Based Substructuring using Rotational DOF Considerations, A.Williams, C.Chipman, P.Avitabile, Proceedings of the Twenty-Sixth International Modal Analysis Conference, Orlando, FL, Feb. 2008  Abstract available upon request.
  
• 3D Digital Image Correlation Methods for Full-Field Vibration Measurement, M.Helfrick, C.Niezrecki, P.Avitabile, Proceedings of the Twenty-Sixth International Modal Analysis Conference, Orlando, FL, Feb. 2008  Abstract available upon request.
  
• Experimental Issues Related to Frequency Response Function Measurements for Frequency Based Substructuring, D.Nicgorski, P.Avitabile, Proceedings of the Twenty-Sixth International Modal Analysis Conference, Orlando, FL, Feb. 2008  Abstract available upon request.
  
• A Reduced Order Test Verified Component Mode Synthesis Approach for System Modeling Applications, A.Butland, P.Avitabile,  Proceedings of the Twenty-Sixth International Modal Analysis Conference, Orlando, FL, Feb. 2008 Abstract available upon request.
  
• Integrating Dynamic Systems Material into a Mechanical Engineering Curriculum through Innovative Use of Web-Based Acquisition and Hands-On Application and Use of Virtual Graphical User Interfaces, Experimental Techniques, Six Part Series, 2007-2008, a publication from Society for Experimental Mechanics  Abstract available upon request.
  
• Teaching Experimental Structural Dynamics in a Mechanical Engineering Curriculum, P.Avitabile, Sound and Vibration magazine, November 2007  Abstract available upon request.
• The Dynamics Summer School – A Unique Educational Program, P.Cornwell, C.Farrar, P.Avitabile, 2007 ASEE Conference, Honolulu, HI, June 2007  Abstract available upon request.
• A Real-World Experience using Linkages to Teach Design, Analysis, CAD and Technical Writing, J.Sherwood, P.Avitabile, 2007 ASEE Conference, Honolulu, HI, June 2007  Abstract available upon request.
• An Integrated Undergraduate Dynamic Systems Teaching Methodology Utilizing Analytical and Experimental Approaches, P.Avitabile, 2007 ASEE Conference, Honolulu, HI, June 2007 Abstract available upon request.
• Efficient Techniques for Forced Response Involving Linear Modal Components Interconnected by Discrete Nonlinear Connection Elements, P.Avitabile, J.O’Callahan, Mechanical Systems and Signal Processing, invited publication, accepted for publication July 2007 Abstract available upon request.
• Development of Efficient Reduced Models for Flexible Body Dynamic Simulation, P.Avitabile, T.VanZandt, N.Wirkkala, B.Birdsong, Proceedings of the Twenty-Fifth International Modal Analysis Conference, Orlando, FL, Feb. 2007 Abstract available upon request.
• An Integrated Undergraduate Dynamic Systems Teaching Approach using Response Under Basic Excitation (RUBE), P.Avitabile, Proceedings of the Twenty-Fifth International Modal Analysis Conference, Orlando, FL, Feb. 2007 Abstract available upon request.
• Dynamic Characterization Comparison of Several Snowboards, A.Butland, D.Nicgorski, C.Chipman, A.Williams, P.Avitabile, Proceedings of the Twenty-Fifth International Modal Analysis Conference, Orlando, FL, Feb. 2007 Abstract available upon request.
  
• Teaching Structural Dynamic Modeling Techniques in the UMASS Lowell Modal Analysis Program, P.Avitabile, J.O’Callahan, Proceedings of the Twenty-Fifth International Modal Analysis Conference, Orlando, FL, Feb. 2007 Abstract available upon request.
  
• Development of Efficient Reduced Models for Rigid Body Dynamic Simulation for Helicopter Missile Wing Combinations, T.VanZandt, N.Wirkkala, P.Avitabile, B.Birdsong, Proceedings of the Twenty-Fourth International Modal Analysis Conference, St Louis, MO, Feb. 2006 Abstract available upon request.
  
• Modification of Target Definitions for Model Updating Using Impedance Based Modeling for Helicopter Missile Wing Combinations, N.Wirkkala, T.VanZandt, P.Avitabile, B.Birdsong, Proceedings of the Twenty-Fourth International Modal Analysis Conference, St Louis, MO, Feb. 2006 Abstract available upon request.
  
• Some Common Issues in Model Correlation/Validation, P.Avitabile, Proceedings of the Twenty-Fourth International Modal Analysis Conference, St Louis, MO, Feb. 2006 Abstract available upon request.
  
• Baseball Bat Model Identification and Detection of System Changes Through In Situ Experimental Modal Models Developed in the Field, R.Shaw, B.Gur, P.Avitabile, Proceedings of the Twenty-Fourth International Modal Analysis Conference, St Louis, MO, Feb. 2006 Abstract available upon request.
  
• Second Order Mechanical Online Acquisition System (R.U.B.E), P.Avitabile, T.Van Zandt, J.Hodgkins, N.Wirkkala, 2006 ASEE Conference, Chicago, Illinois, June 2006 Abstract available upon request.
  
• An Interwoven Multisemester Dynamic Systems Project to Integrate STEM Material, P.Avitabile, S.Pennell, J.R.White, 2006 ASEE Conference, Chicago, Illinois, June 2006 Abstract available upon request.
  
• Innovative Teaching of Fourier Series Using LabVIEW, P.Avitabile, J.Hodgkins, T.Van Zandt, A.Butland, D.Nicgorski, 2006 ASEE Conference, Chicago, Illinois, June 2006 Abstract available upon request.
  
• Dynamic Systems Teaching Enhancement Using a Laboratory Based Project (R.U.B.E), P.Avitabile, T.Van Zandt, J.Hodgkins, N.Wirkkala, 2006 ASEE Conference, Chicago, Illinois, June 2006 Abstract available upon request.
  
• Development of Visualization Tools for Response of 1st and 2nd Order Dynamic Systems, P.Avitabile, J.Hodgkins, 2006 ASEE Conference, Chicago, Illinois, June 2006 Abstract available upon request.
  
• An Interwoven Multisemester Dynamic Systems Project to Integrate STEM Material, P.Avitabile, S.Pennell, J.White, 2005 ASEE Conference, Portland Oregon, June 2005 Abstract available upon request.
  
• Interweaving Numerical Processing Techniques in Multisemester Projects, P.Avitabile, J.McKelliget, T.Van Zandt, 2005 ASEE Conference, Portland Oregon, June 2005 Abstract available upon request.
  
• An Interdisciplinary, Multisemester Project Relating Differential Equations and Engineering, S.Pennell, P.Avitabile, J.White, 2005 ASEE Conference, Portland Oregon, June 2005 Abstract available upon request.
  
• Model Reduction and Model Expansion and Their Applications – Part 1 Theory, P.Avitabile, Proceedings of the Twenty-Third International Modal Analysis Conference, Orlando, Florida, Feb. 2005 Abstract available upon request.
  
• Model Reduction and Model Expansion and Their Applications – Part 2 Applications, P.Avitabile, Proceedings of the Twenty-Third International Modal Analysis Conference, Orlando, Florida, Feb. 2005 Abstract available upon request.
  
• Some Thoughts on Modal Parameter Estimation of Large Complicated Multiple Reference Tests – Then and Now, P.Avitabile, R.Singhal, B.Peeters, J. Leuridan Proceedings of the Twenty-Third International Modal Analysis Conference, Orlando, Florida, Feb. 2005 Abstract available upon request.
  
• 101 Ways to Extract Modal Parameters - Which is the One for Me?, P.Avitabile, Proceedings of the Twenty-Third International Modal Analysis Conference, Orlando, Florida, Feb. 2005 Abstract available upon request.
  
• Application of the Modally Enhanced Dynamic Absorber (MEDA), J.Hodgkins, P.Avitabile, Proceedings of the Twenty-Third International Modal Analysis Conference, Orlando, Florida, Feb. 2005 Abstract available upon request.
  
• Enhanced Amplitude Weighted Assessment Function (EAWAF), P.Avitabile, Proceedings of the Twenty-Third International Modal Analysis Conference, Orlando, Florida, Feb. 2005 Abstract available upon request.
  
• Application of Operating Data Scaling Techniques, B.Huot, P.Avitabile, Proceedings of the Twenty-Third International Modal Analysis Conference, Orlando, Florida, Feb. 2005 Abstract available upon request.
  
• Developing a Multisemester Interwoven Dynamic Systems Project to Foster Learning and Retention of STEM Material, P.Avitabile, S.Pennell, J.White,  ASME 2004 IMECE, Anaheim, CA, November 2004 Abstract available upon request.
  
• Integrating Fundamental STEM Material in a Laboratory Based Dynamic Systems Course, P.Avitabile, J.Hodgkins, T.Van Zandt,  ASME 2004 IMECE, Anaheim, CA, November 2004 Abstract available upon request.
  
• Developing a Virtual Model of a Second Order System to Simulate Real Laboratory Measurement Problems, P.Avitabile, T.Van Zandt,  ASME 2004 IMECE, Anaheim, CA, November 2004 Abstract available upon request.
  
• Reallocation of System Mass and Stiffness for Achieving Target Specifications using a Superelement/Substructuring Methodology, P.Avitabile, H.Tsuji, J.O’Callahan, DeClerck, J.P., International Journal of Vehicle Noise and Vibration, submitted, October 2003, accepted March 2004, to be published 2004 Abstract available upon request.
  
• Dynamic Systems Teaching Enhancement using a Laboratory-Based, Hands-On Project, P.Avitabile, C.Goodman, J.Hodgkins, K.Stevens, TVZandt, G.StHilaire, N.Wirkkala, T.Johnson, 2004 ASEE Conference, Salt Lake City, Utah, June 2004 Abstract available upon request.
  
• Numerical Evaluation of Displacement and Acceleration for a Mass, Spring, Dashpot System, P.Avitabile, J.Hodgkins, 2004 ASEE Conference, Salt Lake City, Utah, June 2004 Abstract available upon request.
  
• Development of a Measurement System for Response of a Second Order Dynamic System, P.Avitabile, C.Goodman, TVZandt, 2004 ASEE Conference, Salt Lake City, Utah, June 2004 Abstract available upon request.
  
• Reallocation of System Mass and Stiffness for Achieving Target Specifications using a Superelement/Substructuring Methodology, P.Avitabile, H.Tsuji, J.O’Callahan, DeClerck, J.P., Proceedings of the Twenty-Second International Modal Analysis Conference, Dearborn, Michigan, Jan 2004 Abstract available upon request.
  
• Reallocation of System Mass and Stiffness for Achieving Target Specifications, P.Avitabile, J.O’Callahan, H.Tsuji, J.P.DeClerck, International Journal of Vehicle Noise and Vibration, submitted, January 2003, accepted March 2003, published January 2004 Abstract available upon request.
  
• Application of Operating Data Scaling Techniques, B.Huot, P.Avitabile, Proceedings of the Twenty-Second International Modal Analysis Conference, Dearborn, Michigan, Jan 2004 Abstract available upon request.
  
• Modally Enhanced Dynamic Absorber (MEDA), P.Avitabile, J.Hodgkins,  Proceedings of the Twenty-Second International Modal Analysis Conference, Dearborn, Michigan, Jan 2004 Abstract available upon request.
  
• Failure Prediction in Composite Plates with Impact-Induced Damage, S.Taylor, C.Rupp, D.Johnson, C.Farrar,  P.Avitabile,  Proceedings of the Twenty-Second International Modal Analysis Conference, Dearborn, Michigan, Jan 2004 Abstract not available
  
• Reallocation of System Mass and Stiffness for Achieving Target Specifications, P.Avitabile, H.Tsuji, J.O’Callahan, DeClerck, J.P., Proceedings of the Twenty-First International Modal Analysis Conference, Orlando, Florida, Feb. 2003 Abstract available upon request.
  
• Application of the Test Reference Identification Procedure (TRIP), P.Avitabile, Haselton, D., LMS Virtual Modeling Conference, Troy, Michigan, September 2002 Abstract available upon request.
  
• A Comparison of Some System Modeling Approaches, P.Avitabile, The Shock and Vibration Digest, Vol 33, Number 4, July 2001, pp 281-291 Abstract available upon request.
  
• Frequency Response Function Expansion for Unmeasured Translation and Rotational DOFs for Impedance Modeling Applications, P.Avitabile, J.O’Callahan, Mechanical Systems and Signal Processing, Vol 17, No 4, July 2003 Abstract available upon request.
  
• Twenty Years of Structural Dynamic Modification - A Review, P.Avitabile, Twentieth International Modal Analysis Conference, Los Angeles, California, Feb. 2002 Abstract available upon request.
  
• Assessment of Operating and Modal Data for Computer Application, P.Avitabile, H.Tsuji, S.Graf, J.Neville, Twentieth International Modal Analysis Conference, Los Angeles, California, Abstract available upon request.
  
• Locating Optimal References for Modal Testing, P.Avitabile, M.Richardson, B.Schwarz, Twentieth International Modal Analysis Conference, Los Angeles, California, Abstract available upon request.
  
• Modal Testing Considerations for Correlation to a Finite Element Model of a Flexible Structural Configuration, V.Ganpule, C.D.VanKarsen, A.Frank, J.M.Hunnell, P.Avitabile, Twentieth International Modal Analysis Conference, Los Angeles, California, Abstract available upon request.
  
• Experimental Modal Analysis - A Simple Non-Mathematical Presentation, P.Avitabile, Sound & Vibration, February 2001 Abstract available upon request.
  
• Modal and Operating Characterization of an Optical Telescope, P.Avitabile, J.Teutsch, K.Weech, D.Smith, G.Gwaltney, M.Sheehan, Nineteenth International Modal Analysis Conference, Orlando, Florida, Feb. 2001 Abstract available upon request.
  
• Selection of Measurement References using the TRIP Method, P.Avitabile, D.Chandler, Nineteenth International Modal Analysis Conference, Orlando, Florida, Feb. 2001 Abstract available upon request.
  
• Dynamic Expansion of FRFs for the Full FRF Matrix, P.Avitabile, J.O'Callahan, Nineteenth International Modal Analysis Conference, Orlando, Florida, Feb. 2001 Abstract available upon request.
  
• Model Updating - Endless Possibilities, P.Avitabile, Eighteenth International Modal Analysis Conference, San Antonio, Texas, Feb. 2000 Abstract available upon request.
  
• Study of Different Analytical Model Configurations to Account for Manufacturing Variability using Model Correlation Tools, P.Avitabile, J.Hunnell, A.Frank, JDeVlaminck, Eighteenth International Modal Analysis Conference, San Antonio, Texas, Feb. 2000 Abstract available upon request.
  
• Impedance Modeling for Machine Tool Applications, P.Avitabile, F.Piergentili, Eighteenth International Modal Analysis Conference, San Antonio, Texas, Feb. 2000 Abstract available upon request.
  
• Correlation Considerations: Effects of Plate Flatness, P.Avitabile, J.Seymour, Eighteenth International Modal Analysis Conference, San Antonio, Texas, Feb. 2000 Abstract available upon request.
  
• Teaching Modal Analysis - A Picture is Worth a Thousand Words and Multimedia is Better Yet!, P.Avitabile, American Society of Engineering Education Annual Meeting, June 1999 Abstract available upon request.
  
• A Review of Modal Model Correlation Techniques, P.Avitabile, Proceedings of NAFEM World Congress '99, Newport, RI, April 1999 Abstract available upon request.
  
• Generation of Input Forcing Functions Using Operating Data and System Transfer Relations, P.Avitabile, K.Lown, Proceedings of NAFEM World Congress '99, Newport, RI, April 1999 Abstract available upon request.
  
• System Model Development using Frequency Response Functions For Computer Related Equipment, P.Avitabile, K.Lown, Proceedings of NAFEM World Congress '99, Newport, RI, April 1999 Abstract available upon request.
  
• Generation of Input Forcing Functions Through the Use of Measured Response and System Transfer Relations, P.Avitabile, F.Piergentili, K.Lown, Seventeenth International Modal Analysis Conference, Orlando, Florida, Feb. 1999 Abstract available upon request.
  
• Dynamic Expansion of Frequency Response Functions, F.Piergentili,P.Avitabile, J.O'Callahan, Seventeenth International Modal Analysis Conference, Orlando, Florida, Feb. 1999 Abstract available upon request.
  
• The Coordinate Orthogonality Check (CORTHOG), P.Avitabile, Mechanical Systems and Signal Processing, Vol 12, No. 3, pp395-414, May 1998
  
• Correlation Considerations - Experimental Modal Testing Considerations for Finite Element Model Correlation - Part 3, P.Avitabile, Sixteenth International Modal Analysis Conference, Santa Barbara, California, Feb. 1998 Abstract available upon request.
  
• Correlation Considerations - Degree of Freedom Correlation Techniques - Part 5, W.Heylen, P.Avitabile, Sixteenth International Modal Analysis Conference, Santa Barbara, California, Feb. 1998 Abstract available upon request.
  
• Comparison of Some System Modeling Approaches, P.Avitabile, F.Piergentili, P.Parziale, D.Crompton, Fifteenth International Modal Analysis Conference, Orlando, Florida, Feb. 1997 Abstract available upon request.
  
• Consideration for the Effects of Rotational Degrees of Freedom for Hybrid Modeling Applications, P.Avitabile, F.Piergentili, Fifteenth International Modal Analysis Conference, Orlando, Florida, Feb. 1997 Abstract available upon request.
  
• Application of Hybrid Modeling Techniques for Computer Related Equipment, P.Avitabile, F.Piergentili, K.Lown, Fifteenth International Modal Analysis Conference, Orlando, Florida, Feb. 1997 Abstract available upon request.
  
• Modal Test Reference Selection using an SVD Procedure, P.Avitabile, D.Haselton, J.Moore, Fourteenth International Modal Analysis Conference, Detroit, Michigan, Feb. 1996 Abstract available upon request.
  
• Evaluation of Degree of Freedom Based Correlation Methods, P.Avitabile, T.Foster, Fourteenth International Modal Analysis Conference, Detroit, Michigan, Feb. 1996 Abstract available upon request.
  
• Development of Several New Tools for Modal Pre-Test Evaluation, J.P.DeClerck, P.Avitabile, Fourteenth International Modal Analysis Conference, Detroit, Michigan, Feb. 1996 Abstract available upon request.
  
• Mass and Stiffness Orthogonality Checks without a Mass or Stiffness Matrix, P.Avitabile, J.O'Callahan, Thirteenth International Modal Analysis Conference, Nashville, Tennessee, Feb. 1995 Abstract available upon request.
  
• Evaluation of DOF Correlation using the Coordinate Orthogonality Check, F.Pechnisky, P.Avitabile, Thirteenth International Modal Analysis Conference, Nashville, Tennessee, Feb. 1995 Abstract available upon request.
  
• Coordinate Orthogonality Check (CORTHOG), P.Avitabile, F.Pechnisky, Twelfth International Modal Analysis Conference, Honolulu, Hawaii, Feb. 1994 Abstract available upon request.
• Comparison of Reduction vs. Expansion for Orthogonality Checks, P.Avitabile, T.Foster, J.O'Callahan, Twelfth International Modal Analysis Conference, Honolulu, Hawaii, Feb. 1994 Abstract available upon request.
  
• Understanding the Effects of DOF Contribution to Orthogonality Checks, F.Pechnisky, P.Avitabile, T.Foster, Eleventh International Modal Analysis Conference, Orlando, Florida, Feb. 1993 Abstract available upon request.
  
• DOF Selection for Smoothing/Expansion of Measured Data, P.Avitabile, T.Foster, Eleventh International Modal Analysis Conference, Orlando, Florida, Feb. 1993 Abstract available upon request.
  
• Effects of DOF Selection on Orthogonality using Reduced System Matrices, P.Avitabile, Ping Li, T.Foster, Eleventh International Modal Analysis Conference, Orlando, Florida, Feb. 1993 Abstract available upon request.
  
• Some Observations on the Difficulties in Model Updating, P.Avitabile, Ping Li, Eleventh International Modal Analysis Conference, Orlando, Florida, Feb. 1993 Abstract available upon request.
  
• Study of Modal Vector Correlation using Various Techniques for Model Reduction, P.Avitabile, F.Pechinsky, Tenth International Modal Analysis Conference, San Diego, California, Feb. 1992
  
• Techniques for Forced Response Involving Discrete Nonlinearities, Part I - Theory, P.Avitabile, J.O'Callahan, Tenth International Modal Analysis Conference, San Diego, California, Feb. 1992
  
• Techniques for Forced Response Involving Discrete Nonlinearities, Part II - Applications, P.Avitabile, J.O'Callahan, Tenth International Modal Analysis Conference, San Diego, California, Feb. 1992
  
• Understanding Structural Dynamic Modification and the Effects of Truncation, P.Avitabile, J.O'Callahan, International Journal of Analytical and Experimental Modal Analysis, invited contribution, Oct 91,Vol 6, No 4
  
• An Efficient Method for Forced Nonlinear Response using a Structural Dynamic Modification Technique, P.Avitabile, J.O'Callahan, International Journal of Analytical and Experimental Modal Analysis, invited contribution, Jul 91, Vol6, No 3
  
• Efficient Techniques for Forced Response Involving Discrete Nonlinearities, P.Avitabile, J.O'Callahan, 15th International Conference on Structural Dynamics, Leuven, Belgium, September 1990 (invited paper)
  
• Understanding Structural Dynamic Modification Truncation, P.Avitabile, J.O'Callahan, F.Pechinsky, Eighth International Modal Analysis Conference, Orlando, Florida, January 1990
  
• An Efficient Method for Forced Nonlinear Response using a Structural Dynamic Modification Technique, P.Avitabile, J.O'Callahan, Eighth International Modal Analysis Conference, Orlando, Florida, January 1990
  
• An Application of New Techniques for Integrating Analytical and Experimental Structural Dynamic Models, J.O'Callahan, P.Avitabile, R.Riemer, 1989 NASTRAN User's Conference, Los Angeles, CA, March, 1989.
  
• System Equivalent Reduction Expansion Process (SEREP), J.O'Callahan, P.Avitabile, R.Riemer, Seventh International Modal Analysis Conference, Las Vegas, Nevada, February 1989
  
• Comparison of System Characteristics Using Various Model Reduction Techniques, P.Avitabile, J.O'Callahan, J.Milani, Seventh International Modal Analysis Conference, Las Vegas, Nevada, February 1989
  
• System Model Development Using Analytically Enhanced Experimental Data, P.Avitabile, J.O'Callahan, J.Milani, E.Pan, Seventh International Modal Analysis Conference, Las Vegas, Nevada, February 1989
  
• Effects of Various Model Reduction Techniques on Computed System Response, P.Avitabile, J.O'Callahan, E.Pan, Seventh International Modal Analysis Conference, Las Vegas, Nevada, February 1989
  
• Model Correlation and Orthogonality Criteria, P.Avitabile, J.O'Callahan, Sixth International Modal Analysis Conference, Orlando, Florida, February, 1988
  
• Errors Associated With Structural Dynamic Modification Using Assumed Proportional Modal Vectors, P.Avitabile, J.O'Callahan, J.Milani, Sixth International Modal Analysis Conference, Orlando, Florida, February, 1988
  
• Expansion of Rotational Degrees of Freedom for Structural Dynamic Modification, P.Avitabile, J.O'Callahan, C.M.Chou, V.Kalkunte, Fifth International Modal Analysis Conference, London, England, April 1987
  
• Consistent Scaling of Rigid Body and Experimental Flexural Modes, J.O'Callahan, P.Avitabile, C.M.Chou, C.H.Wu, Fifth International Modal Analysis Conference, London, England, April 1987
  
• Improved Modal Data Base for Generalized Beam Modifications, C.M.Chou, J.O'Callahan, P.Avitabile, AMD Vol. 76, Symposium of Reanalysis of Structural Dynamic Models, 1986 ASME Winter Annual Meeting, Anaheim, CA, December 1986
  
• Development of an Improved Modal Data Base for Structural Dynamic Modifications, J.O'Callahan, P.Avitabile, C.M.Chou, Symposium of Signal Processing and Modal Analysis in Engineering Acoustics and Vibration, 1986 American Society for Engineering Education Conference, Cinn., OH, June 1986
  
• Structural Modification Using Active and Passive Structural Elements, G.D.Shepard, J.O'Callahan, P.Avitabile, Fourth International Modal Analysis Conference, Los Angeles, CA, Feb. 1986
  
• An Efficient Method Of Determining Rotational Degrees Of Freedom From Analytical And Experimental Modal Data, J.O'Callahan, P.Avitabile, R.Madden, I.W.Lieu, Fourth International Modal Analysis Conference, Los Angeles, CA, Feb. 1986
  
• A Study Of Local Eigenvalue Modification Procedure Using A Generalized Beam Element, J.O'Callahan, C.M.Chou, P.Avitabile, 1984 American Controls Conference, San Diego, CA, Jun 1984
  
• Pseudo Dynamic Qualification Of Seismic Category I Valve Assemblies, P.Avitabile, H.Sonderegger, ASME Paper 84-PVP-15, 1984
  
• Development Of Mass and Stiffness Matrices For An Analytical Model Using Experimental Modal Data, J.O'Callahan, P.Avitabile, R.Leung, Second International Modal Analysis Conference, Orlando, FL, Feb. 1984
  
• A Structural Modification Procedure Using Complex Modes, J.O'Callahan, P.Avitabile, First International Modal Analysis Conference, Orlando, FL, Nov 1982
  
• Experimental Modal Survey - A Case History, P.Avitabile, H.Robinson, First International Modal Analysis Conference, Orlando, FL, Nov 1982