# Configuration
Configuration of the FDTD simulation parameters:
- Simulation Domain
- Run Time
- Grid Specification
- Boundary and Symmetry
- Shutoff Condition
- Courant Factor
- Subpixel Averaging
- Normalization Index
- Structure Priority Mode
# Related Content:
- FDTD101 (opens new window)
- FDTD Walkthrough Tutorial (opens new window)
- Symmetry Tutorial (opens new window)
- Run Time and Shutoff Tutorial (opens new window)
- Tidy3D first walkthrough (opens new window)
- Introduction on Tidy3D working principles (opens new window)
- How to troubleshoot a diverged FDTD simulation (opens new window)