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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 107
PROCEEDINGS OF THE FOURTH INTERNATIONAL CONFERENCE ON PARALLEL, DISTRIBUTED, GRID AND CLOUD COMPUTING FOR ENGINEERING Edited by:
Paper 47
Acceleration Strategies for Simulating Compressible and Incompressible Flows S.S. Sarakinos, G.N. Lygidakis and I.K. Nikolos
School of Production Engineering and Management, Technical University of Crete, Chania, Greece S.S. Sarakinos, G.N. Lygidakis, I.K. Nikolos, "Acceleration Strategies for Simulating Compressible and Incompressible Flows", in , (Editors), "Proceedings of the Fourth International Conference on Parallel, Distributed, Grid and Cloud Computing for Engineering", Civil-Comp Press, Stirlingshire, UK, Paper 47, 2015. doi:10.4203/ccp.107.47
Keywords: compressible/incompressible flow, RANS, turbulence models, parallel processing, SPMD, multigrid, three-dimensional hybrid unstructured grids.
Summary
In recent years, advances in computer technology have provided the means for more
efficient and accurate evaluations of complex computational fluid dynamics (CFD)
problems, while better numerical schemes enhance this concept. In this paper
acceleration techniques such as parallel processing and agglomeration multigrid are
presented. The proposed methodologies are implemented on a family of CFD
solvers, called Galatea and Galatea-I, which employ the Reynolds-Averaged
Navier-Stokes equations for the simulation of compressible and incompressible
flows, respectively. The proposed algorithms are validated against benchmark test
cases, concerning the compressible flow over the NASA Common Research Model
and the incompressible flow over the DARPA SUBOFF submarine hull.
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