致敬作者: https://surajp92.github.io/

Index Description
01 1D heat equation: Forward time central space (FTCS) scheme
02 1D heat equation: Third-order Runge-Kutta (RK3) scheme
03 1D heat equation: Crank-Nicolson (CN) scheme
04 1D heat equation: Implicit compact Pade (ICP) scheme
05 1D inviscid Burgers equation: WENO-5 with Dirichlet and periodic boundary condition
06 1D inviscid Burgers equation: CRWENO-5 with Dirichlet and periodic boundary conditions
07 1D inviscid Burgers equation: Flux-splitting approach with WENO-5
08 1D inviscid Burgers equation: Riemann solver approach with WENO-5 using Rusanov solver
09 1D Euler equations: Roe solver, WENO-5, RK3 for time integration
10 1D Euler equations: HLLC solver, WENO-5, RK3 for time integration
11 1D Euler equations: Rusanov solver, WENO-5, RK3 for time integration
12 2D Poisson equation: Finite difference fast Fourier transform (FFT) based direct solver
13 2D Poisson equation: Spectral fast Fourier transform (FFT) based direct solver
14 2D Poisson equation: Fast sine transform (FST) based direct solver for Dirichlet boundary
15 2D Poisson equation: Gauss-Seidel iterative method
16 2D Poisson equation: Conjugate gradient iterative method
17 2D Poisson equation: V-cycle multigrid iterative method
18 2D incompressible Navier-Stokes equations (cavity flow): Arakawa, FST, RK3 schemes
19 2D incompressible Navier-Stokes equations (vortex merging): Arakawa, FFT, RK3 schemes
20 2D incompressible Navier-Stokes equations (vortex merging): Hybrid RK3/CN approach
21 2D incompressible Navier-Stokes equations (vortex merging): Pseudospectral solver, 3/2 dealiasing, Hybrid RK3/CN approach
22 2D incompressible Navier-Stokes equations (vortex merging): Pseudospectral solver, 2/3 dealiasing, Hybrid RK3/CN approach

有限差分法核心:

Taylor展开

类似的推导在https://www.youtube.com/watch?v=HMmOk9GIhsw&feature=youtu.be