Supercloseness of linear finite element method on Vulanović-Bakhvalov mesh for singularly perturbed convection-diffusion equation in 1D.
Xianyang ZhaoJin ZhangChunxiao ZhangPublished in: Appl. Math. Lett. (2024)
Keyphrases
- finite element method
- diffusion equation
- boundary conditions
- partial differential equations
- finite difference
- numerical methods
- finite element
- heat transfer
- numerical solution
- anisotropic diffusion
- scale spaces
- gaussian kernel
- scale space
- numerical simulations
- diffusion processes
- finite element model
- diffusion process
- image enhancement
- sufficient conditions
- nonlinear diffusion
- noise removal
- diffuse optical tomography
- linear systems
- shape from shading
- image processing
- filtering method
- image denoising
- multiscale
- feature extraction