Publicación: An effective numeric method for different formulations of the elastic wave propagation problem in isotropic medium
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2021-08
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info:eu-repo/semantics/openAccess
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Elsevier
Resumen
This paper shows how the Generalized Finite Difference Method allows the same schemes in differences to be used for different formulations of the wave propagation problem. These formulations present pros and cons, depending on the type of boundary and initial conditions at our disposal and also the variables we want to compute, while keeping additional calculations to a minimum. We obtain the explicit schemes of this meshless method for different possible formulations in finite differences of the problem. Criteria for stability and convergence of the schemes are given for each case. The study of the dispersion of the phase and group velocities presented in previuos paper of the authors is also completed here. We show the application of the propounded schemes to the wave propagation problem and the comparison of the efficiency, convenience and accuracy of the different formulations.
Descripción
Este es el manuscrito aceptado del artículo. Applied Mathematical Modelling, Volume 96, 2021, Pages 480-496, ISSN 0307-904X, está disponible en línea en el sitio web del editor: http://doi.org/https://doi.org/10.1016/j.apm.2021.03.015
This is the accepted manuscript of the article. Applied Mathematical Modeling, Volume 96, 2021, Pages 480-496, ISSN 0307-904X, is available online at the publisher's website: http://doi.org/https://doi.org/10.1016/j. apm.2021.03.015
Categorías UNESCO
Palabras clave
Meshless methods, generalized finite difference method, seismic wave propagation problem, reflection and transmission
Citación
E. Salete, A.M. Vargas, A. García, J.J. Benito, F. Ureña, M. Ureña, An effective numeric method for different formulations of the elastic wave propagation problem in isotropic medium., Applied Mathematical Modelling, Volume 96, 2021, Pages 480-496, ISSN 0307-904X, https://doi.org/10.1016/j.apm.2021.03.015.
Centro
Facultades y escuelas::E.T.S. de Ingenieros Industriales
Departamento
Ingeniería de Construcción y Fabricación