Fig. 1. Cavity IEMP generated by irradiation of X or γ rays on cylinders

Fig. 2. Cavity IEMP responses are described by a self-consistent process

Fig. 3. 3D full electromagnetic PIC method

Fig. 4. Particle inside an FDTD cell

Fig. 5. A grid layer is composed of four patches in JASMIN

Fig. 6. Cell data and particle data in JASMIN

Fig. 7. Architecture of 3D parallel full electromagnetic PIC codes (SGEMP-NSS) for simulating cavity IEMP responses

Fig. 8. The electric field component at the point (0.16 m, 0, −0.16 m) inside a cylinder 圆柱腔内(0.16 m，0，−0.16 m) 位置的电场分量

Fig. 9. Electric field component at different points in the axial line of a cylinder 圆柱轴线上距离发射面不同位置处的电场分量

Fig. 10. First peak values of the electric field component inside a cylinder 圆柱内部距离发射面不同位置处电场分量 的第一峰值

Fig. 11. Sketch of the electric field amplitude and the electron velocity inside a cylinder at 2 ns