This paper is devoted to the analysis of convergence of Schwarz Waveform Relaxation (SWR) domain decomposition methods (DDM) for solving the stationary linear and nonlinear Schrödinger equations by the imaginary-time method. Although SWR are extensively used for numerically solving high-dimensional quantum and classical wave equations, the analysis of convergence and of the rate of convergence is still largely open for linear equations with variable coefficients and nonlinear equations. The aim of this paper is to tackle this problem for both the linear and nonlinear Schrödinger equations in the two-dimensional setting. By extending ideas and concepts presented earlier [X. Antoine and E. Lorin, Numer. Math. 137 (2017) 923–958] and by using pseudodifferential calculus, we prove the convergence and determine some approximate rates of convergence of the two-dimensional Classical SWR method for two subdomains with smooth boundary. Some numerical experiments are also proposed to validate the analysis.
Accepté le :
DOI : 10.1051/m2an/2017048
Mots clés : Schwarz waveform relaxation, domain decomposition method, convergence rate, Schrödinger equation, Gross-Pitaevskii equation, absorbing boundary conditions, pseudodifferential operator theory, symbolical asymptotic expansion, stationary states, imaginary-time, normalized gradient flow
@article{M2AN_2018__52_4_1569_0,
author = {Antoine, Xavier and Hou, Fengji and Lorin, Emmanuel},
title = {Asymptotic estimates of the convergence of classical {Schwarz} waveform relaxation domain decomposition methods for two-dimensional stationary quantum waves},
journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
pages = {1569--1596},
publisher = {EDP-Sciences},
volume = {52},
number = {4},
year = {2018},
doi = {10.1051/m2an/2017048},
zbl = {1407.65152},
mrnumber = {3878604},
language = {en},
url = {http://archive.numdam.org/articles/10.1051/m2an/2017048/}
}
TY - JOUR AU - Antoine, Xavier AU - Hou, Fengji AU - Lorin, Emmanuel TI - Asymptotic estimates of the convergence of classical Schwarz waveform relaxation domain decomposition methods for two-dimensional stationary quantum waves JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2018 SP - 1569 EP - 1596 VL - 52 IS - 4 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/m2an/2017048/ DO - 10.1051/m2an/2017048 LA - en ID - M2AN_2018__52_4_1569_0 ER -
%0 Journal Article %A Antoine, Xavier %A Hou, Fengji %A Lorin, Emmanuel %T Asymptotic estimates of the convergence of classical Schwarz waveform relaxation domain decomposition methods for two-dimensional stationary quantum waves %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2018 %P 1569-1596 %V 52 %N 4 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/m2an/2017048/ %R 10.1051/m2an/2017048 %G en %F M2AN_2018__52_4_1569_0
Antoine, Xavier; Hou, Fengji; Lorin, Emmanuel. Asymptotic estimates of the convergence of classical Schwarz waveform relaxation domain decomposition methods for two-dimensional stationary quantum waves. ESAIM: Mathematical Modelling and Numerical Analysis , Tome 52 (2018) no. 4, pp. 1569-1596. doi : 10.1051/m2an/2017048. http://archive.numdam.org/articles/10.1051/m2an/2017048/
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