Coupling Heat Conduction and Radiation by an Isogeometric Boundary Element Method in 2-D Structures

Wei Jiang, Jiancheng Xu, Li Kunpeng, Ye Ouyang, Jinzhou Yan and Meabed Khader

Mathematical Problems in Engineering, 2022, vol. 2022, 1-14

Abstract: We propose an efficient isogeometric boundary element method to address the coupling of heat conduction and radiation in homogeneous or inhomogeneous materials. The isogeometric boundary element method is used to construct irregular 2D models, which eliminate errors in model construction. The physical unknowns in the governing equations for heat conduction and radiation are discretized using an interpolation approximation, and the integral equations are finally solved by Newton–Raphson iteration; it is noteworthy that we use the radial integration method to convert the domain integrals to boundary integrals, and we combine the numerical schemes for heat conduction and radiation. The results of the three numerical cases show that the adopted algorithm can improve the computational accuracy and efficiency.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:4209720

DOI: 10.1155/2022/4209720

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