Temperature and Pressure Dependence of the Effective Thermal Conductivity of Geomaterials: Numerical Investigation by the Immersed Interface Method

Duc Phi Do and Dashnor Hoxha

Journal of Applied Mathematics, 2013, vol. 2013, issue 1

Abstract: The present work aims to study the nonlinear effective thermal conductivity of heterogeneous composite‐like geomaterials by using a numerical approach based on the immersed interface method (IIM). This method is particularly efficient at solving the diffusion problem in domains containing inner boundaries in the form of perfect or imperfect interfaces between constituents. In this paper, this numerical procedure is extended in the framework of non linear behavior of constituents and interfaces. The performance of the developed tool is then demonstrated through the studies of temperature‐ and pressure‐dependent effective thermal conductivity of geomaterials with imperfect interfaces.

Date: 2013
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https://doi.org/10.1155/2013/456931

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnljam:v:2013:y:2013:i:1:n:456931

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