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ENCIT 2020
18th Brazilian Congress of Thermal Sciences and Engineering
Prediction of Drag on Submarines Using OpenFOAM
Submission Author:
Filipe Dutra da Silva , SC
Co-Authors:
Filipe Dutra da Silva, Eduardo de Bittencourt Ribeiro, Thiago Pontin Tancredi, Ernane Silva
Presenter: Filipe Dutra da Silva
doi://10.26678/ABCM.ENCIT2020.CIT20-0513
Abstract
A simulation model to estimate drag of an axisymmetric submarine hull was built using the open source code OpenFOAM. The objective is to obtain modeling parameters which represent, with efficiency, the movement of such vessels. Numerical errors due to grid refinement and sensitivity to boundary conditions were assessed and validation through comparisons with experimental data is provided. The analyzed Reynolds numbers ranged from 4 x 10^6 to 2.5 x 10^7. Results showed good agreement with experimental data. The low computational cost and the simple mesh generating process makes the simulation model suitable for use in optimization routines and analyses of complex geometries. Such simulations can also allow preliminary estimates for the design of the propulsive and maneuvering systems of submarines.
Keywords
Drag computation, Hull design, submarine, OpenFOAM
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