<p>​<i>Rotating Machinery, Optical Methods &amp; Scanning LDV Methods, Volume 6: Proceedings of the 39th&nbsp;IMAC, A Conference and Exposition on Structural Dynamics, 2021,&nbsp;</i>the sixth volume of nine from the Conference brings together contributions to this important area of research and engineering.&nbsp;&nbsp;The collection presents early findings and case studies on fundamental and applied aspects of Structural Health Monitoring, including papers on:</p><p>Novel Techniques</p>Optical Methods,<p></p><p>Scanning LDV Methods</p><p>Photogrammetry &amp; DIC</p><p>Rotating Machinery</p><p></p><p></p>