Contents 1 Assessment and Localization of Active Discontinuities Using Energy Distribution Between Intrinsic Modes .......................................................................................................... 1 Reza Mohammadi Ghazi and Oral Buyukozturk 2 Wave Analyses in Structural Waveguides Using a Boundary Element Approach....................................................................................................... 11 Stefan Bischoff and Lothar Gaul 3 Spectral Element Based Optimization Scheme for Damage Identification........................................ 19 M.I. Albakri and P.A. Tarazaga 4 Nonlinear Dynamic Behavior of Cantilever Piezoelectric Energy Harvesters: Numerical and Experimental Investigation........................................................................................ 29 P.S. Varoto and A.T. Mineto 5 Nonlinear Dynamics of a Hybrid Piezo-Electromagnetic Vibrating Energy Harvester ......................... 41 S. Mahmoudi, N. Kacem, and N. Bouhaddi 6 Numerical Modeling of Steel-Framed Floors for Energy Harvesting Applications .............................. 49 Joshua A. Schultz, Christopher H. Raebel, and Aaron Huberty 7 Identification of Tie-Rods Tensile Axial Force in Civil Structures ................................................. 59 S. Manzoni, M. Scaccabarozzi, and M. Vanali 8 A New Measure of Shape Difference .................................................................................. 71 Shawn Richardson, Jason Tyler, Patrick McHargue, and Mark Richardson 9 Non-destructive Examination of Multiphase Material Distribution in Uranium Hexafluoride Cylinders Using Steady-State Laser Doppler Vibrometery......................................................... 81 David Goodman, Kelly Rowland, Sheriden Smith, Karen Miller, and Eric Flynn 10 Damage Detection Using Large-Scale Covariance Matrix.......................................................... 89 Luciana Balsamo, Raimondo Betti, and Homayoon Beigi 11 Load Identification of Offshore Platform for Fatigue Life Estimation ........................................... 99 Nevena Perišic´, Poul Henning Kirkegaard, and Ulf T. Tygesen 12 Monitoring Proximity Tunneling Effects Using Blind Source Separation Technique............................ 111 Soroush Mokhtari, Nader Mehdawi, Si-Hyun Park, Amr M. Sallam, Manoj Chopra, Lakshmi N. Reddi, and Hae-Bum Yun 13 Endowing Structures with a Nociceptive Sense Enabled by a Graphene-Oxide Sensing Skin.................. 117 Alan Kuntz, Cole Brubaker, Stephanie Amos, Nathan Sharp, Wei Gao, Gautam Gupta, Aditya Mohite, Charles Farrar, and David Mascarenas 14 Modal Strain Energy Based Damage Detection Using Multi-Objective Optimization .......................... 125 Young-Jin Cha and Oral Buyukozturk vii
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