3 papers
math.DS2025
Reduced-Order Modeling of Bolt Loosening: Application to a Pair of Oscillators Under Transverse Shock Excitation
Qirui He, Rui Wang, Matthew J. Alexander +1
The safety and integrity of engineered structures are critically dependent on maintaining sufficient preload in their bolted joints. This preload can be dynamically lost due to sus…
math.DS2025
Structural System Identification via Validation and Adaptation
Cristian López, Keegan J. Moore
Estimating the governing equation parameter values is essential for integrating experimental data with scientific theory to understand, validate, and predict the dynamics of comple…
math.DS2024
Energy-based dual-phase dynamics identification of clearance nonlinearities
Cristian López, Keegan J. Moore
The energy-based dual-phase dynamics identification (EDDI) method is a new data-driven technique for the discovery of equations of motion (EOMs) of strongly nonlinear single-degree…