Chapter 1.Fluid-structure Interaction in a Labyrinth gas Seal Coupled to a Flexible Stator -- Chapter 2.Modal Analysis of Tower Crane with Cracks by the Dynamic Stiffness Method -- Chapter 3.High-Noise High-Speed Footage Data in Experimental Modal Analysis -- Chapter 4.Morlet-Wave Damping Identification – Application to High-Speed Video -- Chapter 5.Fluid-coupled Vibration Control Inspired by Dragonfly Wings -- Chapter 6.Improving Modal Parameter Estimation by Complementary Output-Output Relations -- Chapter 7.Operational Modal Analysis in Frequency Domain using Gaussian Mixture Models -- Chapter 8.Understanding Modal Vectors -- Chapter 9.Best Practices for Using Order-Based Modal Analysis for Industrial Applications -- Chapter 10. Could the Veering Phenomenon be a Mechanical Design Instrument? -- Chapter 11. Impulse Excitation of Piezoelectric Patch Actuators for Modal Analysis -- Chapter 12. Modal Parameter Estimation in Multi-patch Operational Modal Analysis: Perspectives and Approaches -- Chapter.