本篇用于学习使用devito完成FWI的方法

模型 setup

\(\begin{align*} \mu\frac{\partial H_x}{\partial t} &= -\frac{\partial E_z}{\partial y} \\ \mu\frac{\partial H_y}{\partial t} &= \frac{\partial E_z}{\partial x} \\ \varepsilon\frac{\partial E_z}{\partial t} + \sigma E_z &= \frac{\partial H_y}{\partial x} - \frac{\partial H_x}{\partial y} + J_z \end{align*}\)

PML层设置

![[Pasted image 20250621102144.png]] ![[Pasted image 20250621102235.png]]

EMFDTD

![[Pasted image 20250630090007.png]] ![[Pasted image 20250630090345.png]] m的取值位置与左端场分量位置相同

![[Pasted image 20250630091837.png]]