The software application published by MSC Software that includes the module called FFT_Actran_VI is **MSC Actran**. Actran is a leading software solution for sound and vibration simulation, widely used in the automotive, aerospace, and industrial sectors for analyzing and reducing noise, vibration, and harshness (NVH).
FFT_Actran_VI refers to a specific feature or module within Actran that is focused on Fast Fourier Transform (FFT) capabilities.