Convergence analysis of a weak Galerkin finite element method on a Bakhvalov-type mesh for a singularly perturbed convection-diffusion equation in 2D.
Shicheng LiuXiangyun MengQilong ZhaiPublished in: CoRR (2024)
Keyphrases
- finite element method
- diffusion equation
- partial differential equations
- convergence analysis
- boundary conditions
- numerical solution
- numerical methods
- anisotropic diffusion
- finite element
- heat transfer
- scale spaces
- global convergence
- diffusion process
- level set
- image enhancement
- numerical simulations
- image denoising
- image processing
- differential equations
- finite element model
- optimality conditions
- scale space
- multiscale
- energy functional
- sufficient conditions
- noise removal
- shape from shading
- convergence rate
- variational inequalities
- cost function