caa a22 4500 606173145 CHVBK 20210128100731.0 cr unu---uuuuu 210128e20150601xx s 000 0 eng 10.1007/s10921-015-0285-9 doi (NATIONALLICENCE)springer-10.1007/s10921-015-0285-9 Optimal Wave Propagation-Based Nondestructive Test Design for Quantitative Damage Characterization [Elektronische Daten] [Zhanpeng Hao, Bahram Notghi, Julie Vandenbossche, John Brigham] A generalized approach for optimal wave propagation-based nondestructive test (NDT) design for potential applications in damage characterization and other characterization problems, is presented and numerically evaluated. More specifically, the objective of this work is to improve the accuracy and efficiency of material characterization processes by optimizing the parameters of the associated NDT, such as the locations of sensors and actuators. The NDT design approach is an extension of prior work to consider wave propagation-based NDT, and is based on maximizing the sensitivity of the NDT response measurements to changes in the material properties to be determined by the evaluation, while simultaneously minimizing the redundancy of response measurements. Two simulated case studies are presented to evaluate the performance of the optimal wave propagation-based NDT design approach. Both examples consider thin plate structures with a damage field that was assumed to be able to be represented by changes in the Young's modulus distribution throughout the structure. The NDT method considered was based on commonly used ultrasonic testing with piezoelectric sensors and actuators. The Optimal NDT designs corresponding to maximized sensitivity and minimized response redundancy are shown to provide substantially improved evaluation solution efficiency and accuracy for quantitative damage characterization in comparison to more standard NDT designs. Springer Science+Business Media New York, 2015 Nondestructive test nationallicence Design nationallicence Optimization nationallicence Transient nationallicence Wave propagation nationallicence Hao Zhanpeng Department of Civil and Environmental Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA aut Notghi Bahram Department of Civil and Environmental Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA aut Vandenbossche Julie Department of Civil and Environmental Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA aut Brigham John Department of Civil and Environmental Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA aut Journal of Nondestructive Evaluation Springer US; http://www.springer-ny.com 34/2(2015-06-01), 1-15 0195-9298 34:2<1 2015 34 10921 https://doi.org/10.1007/s10921-015-0285-9 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10921-015-0285-9 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Hao Zhanpeng Department of Civil and Environmental Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA aut NATIONALLICENCE 700 1- Notghi Bahram Department of Civil and Environmental Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA aut NATIONALLICENCE 700 1- Vandenbossche Julie Department of Civil and Environmental Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA aut NATIONALLICENCE 700 1- Brigham John Department of Civil and Environmental Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA aut NATIONALLICENCE 773 0- Journal of Nondestructive Evaluation Springer US; http://www.springer-ny.com 34/2(2015-06-01), 1-15 0195-9298 34:2<1 2015 34 10921