2 papers
math.NA2020
Truncation preconditioners for stochastic Galerkin finite element discretizations
Alex Bespalov, Daniel Loghin, Rawin Youngnoi
Stochastic Galerkin finite element method (SGFEM) provides an efficient alternative to traditional sampling methods for the numerical solution of linear elliptic partial differenti…
cs.CE2020
Diffusion in arrays of obstacles: beyond homogenisation
Yahya Farah, Daniel Loghin, Alexandra Tzella +1
We revisit the classical problem of diffusion of a scalar (or heat) released in a two-dimensional medium with an embedded periodic array of impermeable obstacles such as perforatio…