Finite difference methods for approximating Heaviside functions

DOI10.1016/j.jcp.2009.01.026zbMath1171.65014OpenAlexW2162590460MaRDI QIDQ1017609

John D. Towers

Publication date: 12 May 2009

Published in: Journal of Computational Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jcp.2009.01.026

zbMATH Keywords

Heaviside functionnumerical examplesconvergence ratelevel set methodfinite differencequadraturesingular source termregular gridtwo-step algorithmirregular regionone-step algorithm

Mathematics Subject Classification ID

Multidimensional problems (41A63) Rate of convergence, degree of approximation (41A25) Approximate quadratures (41A55) Numerical quadrature and cubature formulas (65D32)

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