Boundary-optimized summation-by-parts operators for finite difference approximations of second derivatives with variable coefficients.
Vidar StiernströmMartin AlmquistKen MattssonPublished in: J. Comput. Phys. (2023)
Keyphrases
- finite difference
- hamilton jacobi
- finite element
- partial differential equations
- numerical analysis
- numerical solution
- level set
- gaussian smoothing
- active contours
- object boundaries
- numerical methods
- wavelet coefficients
- sufficient conditions
- numerical scheme
- diffusion equation
- image processing
- eikonal equation
- semi implicit