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6th Workshop on Numerical in Applied Science and Engineering 2007 >

Quan citeu aquest document, utilitzeu la següent adreça: http://hdl.handle.net/2099/7820

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Títol: The block gauss-seidel method in sound transmission problems
Autor: Poblet-Puig, Jordi Veure Producció científica UPC; Rodríguez Ferran, Antonio Veure Producció científica UPC
Tipus de document: Conference report
Resum: Sound transmission through partitions can be modelled as an acoustic fluid-elastic structure interaction problem. The block Gauss-Seidel iterative method is used in order to solve the finite element linear system of equations. The blocks are defined in a natural way, respecting the fluid and structural domains. The convergence criterion (spectral radius of iteration matrix smaller than one) is analysed and interpreted in physical terms by means of simple one-dimensional problems. This analysis highlights the negative influence on the convergence of a strong degree of coupling between the acoustic domains. A selective coupling strategy has been developed and successfully applied to problems with strong coupling (i.e. sound transmission through double walls).
URI: http://hdl.handle.net/2099/7820
Apareix a les col·leccions:6th Workshop on Numerical in Applied Science and Engineering 2007

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