2022
DOI: 10.2495/be450101
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Localized Singular Boundary Method for Solving the Convection–diffusion Equation With Variable Velocity Field

Abstract: This paper focuses on deriving the local variant of the singular boundary method (SBM) to solve the convection-diffusion equation. Adopting the combination of an SBM and finite collocation, one obtains the localized variant of SBM. Unlike the global variant, local SBM leads to a sparse matrix of the resulting system of equations, making it much more efficient to solve large-scale tasks. It also allows solving velocity vector variable tasks, which is a problem with global SBM. The article presents the steady nu… Show more

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