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Stability studies of numerical methods for partial differential equations

Grant number: 12/21478-3
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): January 01, 2013
Effective date (End): June 30, 2013
Field of knowledge:Physical Sciences and Mathematics - Mathematics - Applied Mathematics
Principal Investigator:Cassio Machiaveli Oishi
Grantee:Maria Cecília Fonçatti
Home Institution: Faculdade de Ciências e Tecnologia (FCT). Universidade Estadual Paulista (UNESP). Campus de Presidente Prudente. Presidente Prudente , SP, Brazil
Associated research grant:09/15892-9 - Study of stable and accurate numerical methods for transient flows: improvements, implementations, free surface flow problems and viscoelastic models, AP.JP

Abstract

In this project, it will be investigated numerical stability for solving partial differential equations(PDE) via finite differences. One-dimensional models will be analysed, for example, advection and heat equations. Based on the matrix method, it will be studied the influence of boundary conditions on the analysis of numerical stability. Initially the student will investigate the stability of numerical methods for a co-located grid. However, it is intended to extend the stability analysis for a staggered grid. Finally, numerical results will be checked in comparison with the theoretical results obtained from the stability analysis.