电磁粒子模拟中电荷守恒的电流分配方案满足的统一公式
|
|
付梅艳,卢朓,朱湘疆
|
Unified Formulation of Charge-conserving Current Assignment in Electromagnetic Particle-in-Cell Simulation
|
|
Meiyan Fu,Tiao Lu,Xiangjiang Zhu
|
|
表 2 在四个元胞情形下, V方法、E方法和U方法给出的电流密度公式
|
| |
|
| J | V method(×q2Δt) | E method(×q2Δt) | U method(×q2Δt) | | ξ1 | Δx(1−yn−yn+1) | Δx(1−yn−yn+1) | Δx(1−yn−yn+1) | | ξ2 | Δy(1−xn−xn+1) | Δy(1−xn−xn+1) | Δy(1−xn−xn+1) | | ξ3 | Δy(1+xn+xn+1) | Δy(1+xn+xn+1) | Δy(1+xn+xn+1) | | ξ4 | Δx(1+yn+yn+1) | Δx(1+yn+yn+1) | Δx(1+yn+yn+1) | | 其中: Δx=xn+1−xn, Δy=yn+1−yn. |
|
|
|