Model Validation and Uncertainty Quantifi cation, Volume 3. Proceedings of the 34th IMAC, A Conference and Exposition on Dynamics of Multiphysical Systems: From Active Materials to Vibroacoustics, 2016, the third volume of ten from the Conference brings together contributions to this important area of research and engineering. Th e collection presents early findings and case studies on fundamental and applied aspects of Structural Dynamics, including papers on:• Uncertainty Quantifi cation & Model Validation• Uncertainty Propagation in Structural Dynamics• Bayesian & Markov Chain Monte Carlo Methods• Practical Applications of MVUQ• Advances in MVUQ & Model Updating• Robustness in Design & Validation• Verifi cation & Validation Methods