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Cell-vertex based parallel and adaptive explicit 3D flow solution on unstructured grids
Date
2001-01-01
Author
Yilmaz, E
Kavsaoglu, MS
Akay, HU
Akmandor, IS
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
.
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A parallel adaptive Euler flow solution algorithm is developed for 3D applications on distributed memory computers. Significant contribution of this research is the development and implementation of a parallel grid adaptation scheme together with an explicit cell vertex-based finite volume 3D flow solver on unstructured tetrahedral grids. Parallel adaptation of grids is based on grid-regeneration philosophy by using an existing serial grid generation program. Then, a general partitioner repartitions the grid. An adaptive sensor value, which is a measure to refine or coarsen grids, is calculated considering the pressure gradients in all partitioned blocks of grids. The parallel performance of the present study was tested. Parallel computations were performed on Unix workstations and a Linux cluster using MPI communication library. The present results show that overall adaptation scheme developed in this study is applicable to any pair of a flow solver and grid generator with affordable cost. It is also proved that parallel adaptation is necessary for accurate and efficient flow solutions.
Subject Keywords
Mechanical Engineering
,
Mechanics of Materials
,
Energy Engineering and Power Technology
,
Condensed Matter Physics
,
Computational Mechanics
,
Aerospace Engineering
URI
https://hdl.handle.net/11511/67834
Journal
INTERNATIONAL JOURNAL OF COMPUTATIONAL FLUID DYNAMICS
DOI
https://doi.org/10.1080/10618560108940729
Collections
Department of Aerospace Engineering, Article