Abstract:In this paper, we present two novel energy‐preserving schemes for the Schrödinger‐Boussinesq system based on the second‐order Adams prediction‐correction method. We first introduce supplementary variables to the initial model simultaneous its invariants to obtain a consistent and structural stable system. Then, we discretize the extended system by directly using the Fourier pseudo‐spectral method in space and second‐order Adams prediction‐correction method in time to construct conservative schemes. Numerical r… Show more
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