THERMAL SCIENCE
International Scientific Journal
AN ENERGY-STABLE PSEUDOSPECTRAL SCHEME FOR SWIFT-HOHENBERG EQUATION WITH ITS LYAPUNOV FUNCTIONAL
ABSTRACT
We analyze a first order in time Fourier pseudospectral scheme for Swift-Hohenberg equation. One major challenge for the higher order diffusion non-linear systems is how to ensure the unconditional energy stability and we propose an efficient scheme for the equation based on the convex splitting of the energy. The¬oretically, the energy stability of the scheme is proved. Moreover, following the derived aliasing error estimate, the convergence analysis in the discrete l2-norm for the proposed scheme is given.
KEYWORDS
PAPER SUBMITTED: 2018-06-12
PAPER REVISED: 2018-09-20
PAPER ACCEPTED: 2018-11-25
PUBLISHED ONLINE: 2019-06-08
THERMAL SCIENCE YEAR
2019, VOLUME
23, ISSUE
Supplement 3, PAGES [S975 - S982]
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