Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/70111
Title: New thermal-conductivity constitutive matrix in fourier's law for heat transfer using the cell method
Authors: González-Domínguez, Pablo Ignacio 
Monzón-Verona, José Miguel 
García-Alonso, Santiago 
UNESCO Clasification: 3306 Ingeniería y tecnología eléctricas
Keywords: Analytical Method
Cell Method
Computational Technique
Fem
Heat Conduction, et al
Issue Date: 2019
Journal: Applied Sciences (Basel) 
Abstract: In this paper, a new constitutive matrix [Mτ] for thermal conduction, for tetrahedral meshes, in a steady state thermal regime is developed through a new algebraic methodology, using the Cell Method as a computational method, which is included in the finite formulation. The constitutive matrix defines the behavior of solids when they are under a thermal potential. The results are compared with those obtained for the same problem by means of the constitutive matrix [Mλ] developed previously, taking in both cases with a 2D axisymmetric model as reference, calculated with the finite element method. The errors obtained with the new matrix [Mτ] are of the order of 0.0025%, much lower than those obtained with the matrix [Mλ].
URI: http://hdl.handle.net/10553/70111
ISSN: 2076-3417
DOI: 10.3390/app9214521
Source: Applied Sciences [ISSN 2076-3417], v. 9 (21)
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