Simulation of Surface Ship Dynamics Using Unsteady RANS Codes

TL;DRAbstract

This paper presents progress in a three-year Challenge Project, begun in 2001 and led by the Office of Naval Research (ONR), with the objective of demonstrating a capability to simulate time-dependent six-degree-of-freedom (6-DOF) motions of ships in waves and the associated near-field flow using unsteady Reynolds-Averaged Navier-Stokes (RANS) codes. Challenge Projects are sponsored by the U.S. Department of Defense's (DoD) High Performance Computing Modernization Program (HPCMP) Office. Two unsteady RANS codes are used in a progression of building-block simulations at both model and full scale and for practical configurations including detailed resolution of propulsors and appendages. The RANS codes are UNCLE, developed at the Mississippi State University (MSU), and CFDSHIP-IOWA, developed at the University of Iowa. The team members for this project are K.-H. Kim (ONR, team leader), R. Miller and J. Gorski (Naval Surface Warfare Center, Carderock Division), R. Wilson and F. Stern (Uni

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