Hybrid Methods in Engineering Modeling, Programming, Analysis, Animation

ISSN for PRINT: 1099-2391

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Best Paper Award Selection - Editorial Board Site

2001, Volume3

Issue 2&3

148 pages

Issue price - $250.00

R. L. Thum
Programa de Pós-Graduação em Engenharia Mecânica, Universidade Federal do Rio Grande do Sul, 90050-170 Porto Alegre, RS, Brazil

L. B. Barichello
Instituto de Matematica, Universidade Federal do Rio Grande do Sul, 91509-900 Porto Alegre, RS, Brazil

Marco T. Vilhena
Instituto de Matematica Aplicada, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil

Renato M. Cotta
Universidade Federal do Rio de Janeiro

The solution of the Luikov equations, for the analysis of simultaneous heat and mass diffusion problems in capillary porous media, is analytically derived by the application of the generalized integral transform technique (GITT) associated with the Laplace transform, which is applied and analytically inverted to solve a linear time-dependent first-order differential system that results from the application of the integral transform to the spatial variables. The proposed approach provides a solution that is numerical in all variables. Computational aspects are discussed and numerical results are presented for a two-dimensional problem.

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