Structural Health Monitoring with Piezoelectric Wafer Active Sensors - Softcover

Über die Autorin bzw. den Autor

Dr. Giurgiutiu is an expert in the field of Structural Health Monitoring (SHM). He leads the Laboratory for Active Materials and Smart Structures at the University of South Carolina. He is a regular contributor of papers to leading conferences in the area, received the award Structural Health Monitoring Person of the Year 2003 and is Associate Editor of the international journal, Structural Health Monitoring.

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One of the original references on the theory and practice of structural health monitoring (SHM), updated with new advances in the field.

• Comprehensive coverage of underlying theory such as piezoelectricity, vibration and wave propagation alongside experimental techniques to help you develop a rounded understanding of this exciting interdisciplinary topic.
• Contains step-by-step guidance on the use of piezoelectric wafer active sensors (PWAS) to detect and quantify damage in structures, including clear information on how to interpret sensor signal patterns.
• Updates to this edition include a new chapter on composites and new sections on advances in vibration and wave theory, bringing this established reference in line with the cutting-edge in SHM.

Active Sensors, Second Edition provides an authoritative theoretical and experimental guide to this fast-paced, interdisciplinary area with exciting applications across a range of industries.

The book begins with a detailed yet digestible consolidation of the fundamental theory relating to structural health monitoring (SHM). Coverage of fracture and failure basics, relevant piezoelectric material properties, vibration modes in different structures, and different wave types provide all the background needed to understand SHM and apply it to real-world structural challenges. Moving from theory to experimental practice, the book then provides the most comprehensive coverage available on using piezoelectric wafer active sensors (PWAS) to detect and quantify damage in structures.

Updates to this edition include circular and straight-crested Lamb waves from first principle, and the interaction between PWAS and Lamb waves in 1-D and 2-D geometries. Effective shear stress is described, and tuning expressions between PWAS and Lamb waves has been extended to cover axisymmetric geometries with a complete Hankel-transform-based derivation.

New chapters have been added including hands-on SHM case studies of PWAS stress, strain, vibration, and wave sensing applications, along with new sections covering essential aspects of vibration and wave propagation in axisymmetric geometries.