A Surrogate Model for Structural Vibration and Acoustic Radiation of Underwater Submarine Structures

In this paper， a surrogate model based on the Kriging model and the optimal symmetric latin hypercube sampling method is established to calculate the resonant frequency and the corresponding power level of acoustic radiation for underwater submarine structures. Particularly， this model can achieve real-time estimation of the vibro-acoustic response in the whole design space. It is observed that the Kriging model provides estimation results with high accuracy， and the overall surrogate model is applicable for the rapid prediction of submarine shell vibration and acoustic radiation.