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On Particles and Splines in Bounded Domains

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arxiv 1901.09595 v1 pith:KTGDKDLB submitted 2019-01-28 math.NA cs.NA

classification math.NAcs.NA
keywords domainschemesboundedcartesiandomainsparticlesplinesadvection
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abstract

We propose numerical schemes that enable the application of particle methods for advection problems in general bounded domains. These schemes combine particle fields with Cartesian tensor product splines and a fictitious domain approach. Their implementation only requires a fitted mesh of the domain's boundary, and not the domain itself, where an unfitted Cartesian grid is used. We establish the stability and consistency of these schemes in $W^{s,p}$-norms, $s\in\mathbb{R}$, $1<p\leq\infty$.

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