Learn about the FDTD solver and related topics You can also browse the Application Gallery directly from within our products in the product launcher. Application Gallery: Find example files, simulation methodologies, and tips to help you get started quickly and easily.Ansys Learning Forum (Photonics category): A large repository of Q&A content from the Ansys Lumerical community.FDTD videos: List of videos from the FDTD course.The 'My first simulation' section is a great getting started tutorial. FDTD course: A self paced course intended for beginner to intermediate users with a focus on providing an understanding of the solver physics, simulation workflow and data analysis.The FDTD reference manual provides detailed descriptions of product features.