Graphical labs · Discrete lab (diagnostics on screen)
EM cavity (FDTD)
2D TM Yee Maxwell, PEC walls
2D TM Yee FDTD (ε=μ=c=1): ∂t Ez = ∂x Hy − ∂y Hx, PEC walls
Soft harmonic source at the cavity center. Energy is not conserved while the source is on.
- t (c=1)
- 0
- dt
- 0.601041
- Σ(E²+B²)/2
- 0
Finite-difference / Monte Carlo / RK scheme at teaching resolution. Conserved quantities are diagnostics. FrameCalc is an educational workbench. It is not for medical, nuclear-safety, radiation-protection, or engineering sign-off. Fusion and IEC estimates are models, not device predictions. Accuracy · Legal