Bembel: The fast isogeometric boundary element C++ library for Laplace, Helmholtz, and electric wave equation

In this article, we present Bembel, the C++ library featuring higher order isogeometric Galerkinboundary element methods for Laplace, Helmholtz, and Maxwell problems. Bembel is compatible withgeometriesfromtheOctaveNURBSpackage,andprovidesaninterfacetotheEigentemplatelibraryforlinear algebra operations. For computational efficiency, it applies an embedded fast multipole methodtailored to the isogeometric analysis framework and a parallel matrix assembly based on OpenMP.