Changes between Version 7 and Version 8 of theory_Eng
- Timestamp:
- Feb 17, 2025, 8:02:31 AM (19 months ago)
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theory_Eng
v7 v8 6 6 == ISSDE Basic Algorithm 7 7 * Splitting Method 8 The equations that ISSDE mainly requires to be solved are \\8 The equations that ISSDE mainly requires to be solved are [[FootNote(Yifeng Zheng et al. 2021 Chin. Phys. B 30 095201)]]\\ 9 9 [[math(\begin{equation}\begin{cases}\frac{\mathrm{d}\mathbf{x}}{\mathrm{d}t} & =\mathbf{v}\ ,\\ \frac{\mathrm{d}\mathbf{v}}{\mathrm{d}t} & =\frac{q}{m}\mathbf{E}+\frac{q}{m}\mathbf{v}\times\mathbf{B}+\mathbf{a}_{c}\ ,\end{cases}\end{equation})]] \\ 10 10 where [[math(\mathbf{a}_{c})]] is the acceleration caused by the Coulomb collision. According to splitting method, the equation can be regarded as a vector field [[math(\boldsymbol{F}(\boldsymbol{x},\boldsymbol{v}))]] \\ … … 22 22 [[math(\boldsymbol{G}_h ^2=\boldsymbol{\phi}_{h/2} ^{F_1}\circ \boldsymbol{\phi}_{h/2} ^{F_2} \circ \boldsymbol{\phi}_{h} ^{F_3} \circ \boldsymbol{\phi}_{h/2} ^{F_2} \circ \boldsymbol{\phi}_{h/2} ^{F_1}\ .)]]\\ 23 23 24 * Volumn-preserving algorithm 24 * Volumn-preserving algorithm[[FootNote(Yang He et al. 2015 Phys. Plasma 22 124503)]] 25 25 * Quasi-Newton Method 26 27 [[FootNote]] 28 26 29 == Physical Process Calculated by ISSDE 27 30 * Fast ion trajectory
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