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Numerical Optimization Algorithm for Unsteady Flows of Rotor based on Web Service


Authors



Abstract

A numerical optimization algorithm for unsteady flows of rotor based on web service is proposed. Space discretization uses the finite volume method, time discretization uses the implicit dual-time steps method, and turbulence model uses the Spalartu2013Allmaras (Su2013A) model. In order to efficiently use the computing resources of the cluster, a service-oriented service computing architecture is used in a parallel computing service program. In order to realize the load balance of hybrid grid partition, the grid is partitioned by Metis Library. Meanwhile, data communication based on Message Passing Interface (MPI) technology guarantees the consistency of convergence between parallel algorithm and serial algorithm and establishes virtual boundaries for each partition to ensure data exchange among partitions. By simulating the forward flight state of the Robin fuselage/rotor model, the experimental results coincide with the serial program, and the parallel efficiency is high.


Keywords


Pages

Total Pages: 21

DOI
10.31209/2019.100000109


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Published

Online Article

JOURNAL INFORMATION


ISSN PRINT: 1079-8587
ISSN ONLINE: 2326-005X
DOI PREFIX: 10.31209
10.1080/10798587 with T&F
IMPACT FACTOR: 0.652 (2017/2018)
Journal: 1995-Present




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