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A distance-function-based Cartesian (DIFCA) grid method for irregular geometries

Chai, John and Yap, Y.F. (2008) A distance-function-based Cartesian (DIFCA) grid method for irregular geometries. International Journal of Heat and Mass Transfer, 51 (7-8). pp. 1691-1706. ISSN 0017-9310

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A distance-function-based Cartesian grid (DIFCA) method is presented for conduction heat transfer in irregular geometries. The irregular geometries are identified by distance functions. The finite-volume method is used to discretize the heat conduction equation. Non-zero departure from regular geometries terms are added to the discretization equations for the control volumes bisected by irregular boundaries. With these additional departure terms, the existing Cartesian finite-volume solver can be modified easily to model heat conduction in irregular geometries. Given boundary temperatures, given boundary fluxes and convective heat transfer at irregular boundaries are considered. Non-zero heat generation is also modeled. The proposed procedure is validated against eight test cases where good agreements are achieved

Item Type: Article
Subjects: T Technology > TJ Mechanical engineering and machinery
Schools: School of Computing and Engineering
Related URLs:
Depositing User: John Chai
Date Deposited: 03 Mar 2015 15:01
Last Modified: 28 Aug 2021 11:47


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