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DIFFUSE APPROXIMATION AND CONTROL-VOLUME-BASED FINITE-ELEMENT METHODS: A COMPARATIVE STUDY

Abstract : This article presents a comparison for several test cases between the diffuse approximation method (DAM) and the control-volume finite element method (CVFEM) The diffuse approximation method is a relatively new numerical approach that does not need a finite-element mesh to solve fluid flow and heat transfer problems in complex geometries. It appears that the two methods provide similar accurate results. However, when some manipulations of the grids are needed during the calculation process, such as a local refinement, the use of a simple set of nodes appears to be less time consuming, as shown in the last example.
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https://hal.archives-ouvertes.fr/hal-01987436
Contributor : Patrick Salagnac Connect in order to contact the contributor
Submitted on : Monday, January 21, 2019 - 10:31:36 AM
Last modification on : Wednesday, October 20, 2021 - 3:22:08 AM

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C. Prax, Patrick Salagnac, H. Sadat. DIFFUSE APPROXIMATION AND CONTROL-VOLUME-BASED FINITE-ELEMENT METHODS: A COMPARATIVE STUDY. Numerical Heat Transfer, Part B Fundamentals, Taylor & Francis, 1998, 34 (3), pp.303-321. ⟨10.1080/10407799808915060⟩. ⟨hal-01987436⟩

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