The software application published by MSC Software that includes a feature/module called **FFT_Actran_PreProcess** is **MSC Actran**.
**FFT_Actran_PreProcess** is a module within Actran that is designed for pre-processing tasks related to the Fast Fourier Transform (FFT) analysis. Specifically, it facilitates the preparation of acoustic and vibro-acoustic simulations by allowing users to define and manipulate input data and simulation