Parallel Simulation of Acoustic Characteristics for Near-Surface Targets

This paper proposes a parallel acoustic characterization simulation method for near-surface targets. This method is based on the Shooting and Bouncing Ray (SBR)) method and allows for the high-precision simulation of near-surface target acoustic characteristics. Furthermore, it enables the acceleration of the simulation computation process of complex shape near-surface targets by utilizing a Graphics Processing Unit (GPU) platform. By employing an equivalent decomposition of near-surface target acoustic field echoes, the task scale of 10 billion acoustic beam lines is exceeded on a multi-GPU cluster, thereby enabling the rapid and precise simulation of the acoustic characteristics of large near-surface targets. This approach has significant potential for a wide range of applications.