Guide to NavyFOAM V1.0
Abstract
This report describes NavyFOAM V1.0, a computational fluid dynamics (CFD) capability based on Reynolds-averaged Navier-Stokes equations (RANSE) aimed at predicting turbulent single- and two-phase flows around ship hulls. The CFD capability employs a finite-volume discretization that allows use of arbitrary polyhedral elements. The free surface is captured using a volume-fraction method capable of accurately resolving sharp interfaces. NavyFOAM has been developed using an open-source CFD software tool-kit (OpenFOAM) that draws heavily upon object-oriented programming. The numerical methods and the physical models in the original version of OpenFOAM have been upgraded in an effort to improve accuracy and robustness of numerical solutions. The details of NavyFOAM V1.0 including the numerical methods and the physical models are described in this report. NavyFOAM V1.0 is demonstrated for a number of flows including: underwater bodies, turbulent free surface flows around the DTMB 5415 model and the KVLCC2 double-model. It is shown that the RANSE based approach can predict, with good accuracy, most of the salient features of the turbulent free-surface flows around the subject hulls including resistance, wave elevation, hull boundary layer and wake.
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 01, 2011
- Accession Number
- ADA542846
Entities
People
- Bong Rhee
- Hua Shan
- Joseph Gorski
- Keegan Delaney
- Michael Ebert
- Sung-eun Kim
Organizations
- Naval Surface Warfare Center Carderock Division