Complete centered finite difference method for Helmholtz equation

Complete centered finite difference method for Helmholtz equation

Abstract A new approach in the finite difference framework is developed, which consists of three steps: choosing the dimension of the local approximation subspace, constructing a vector basis for this subspace, and determining the coefficients of the linear combination. New schemes were developed to...

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Bibliographic Details
Main Authors: GUSTAVO B. ALVAREZ, HELDER F. NUNES, WELTON A. MENEZES
Format: Article
Language:English
Published: Academia Brasileira de Ciências 2024-11-01
Series:Anais da Academia Brasileira de Ciências
Subjects:
dispersion analysis
finite difference method
Helmholtz equation
local truncation error
stabilization
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652024000601708&lng=en&tlng=en
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