Abstract
Topology optimization of simplified convective heat transfer has been widely studied, but most existing studies are based on the finite element method (FEM); methods based on the finite volume method (FVM) have been less studied. In this paper, a topology optimization method based on FVM was proposed for a simplified convective heat transfer problem. We developed a novel adjoint sensitivity analysis method applicable to FVM, which included adjoint equations, corresponding boundary conditions, and sensitivity analysis equations. Additionally, a program for the proposed topology optimization method was developed in open field operation and manipulation (OpenFOAM) and portable, extensibletoolkit for scientific computation (PETSc). Thus, large-scale topology optimizations could be performed in parallel. Furthermore, numerical examples of the classical two-dimensional (2D) and 3D optimization problems were considered. The results verified the effectiveness and feasibility of the proposed method. The results of large-scale 3D examples show an interesting phenomenon that for the optimized designs with few features, the large-scale topology optimization is still valuable for obtaining more effective structural shapes.
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This work was supported by the Aeronautical Science Foundation of China (Grant No. 2020Z009063001) and the Fundamental Research Funds for the Central Universities (Grant No. DUT22GF303).
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Yan, K., Wang, Y., Pan, Y. et al. Topology optimization of simplified convective heat transfer problems using the finite volume method. Sci. China Technol. Sci. 66, 1352–1364 (2023). https://doi.org/10.1007/s11431-022-2198-4
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DOI: https://doi.org/10.1007/s11431-022-2198-4