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The benchmark test of CFDs using an EFD database of RIOS bulk carriers advancing in waves
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DOI：10.1007/s42241-026-0044-7.png)
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Abstract
En 中文
Nowadays, a Navier-Stokes solver based computational fluid dynamics (CFD) begins to be applied to ship seakeeping problems. However, most of its validation is based on a comparison of integrated values, e.g. wave-induced ship motions and/or hydrodynamic forces. For the validation of such a sophisticated calculation method, more detailed and convincing validation is desired using local physical quantities such as unsteady ship-side waves (SSWs) and spatial distributions of wave-induced unsteady pressure on the ship hull. This paper demonstrates the benchmark test of several calculation methods (CFD in a broad sense), i.e., the strip method, enhanced unified theory (EUT), Rankine panel method (RPM), and CFD (FINE/Marine) by comparing with experimental results of RIOS bulk carrier models advancing in regular head waves. Not only the integrated values represented by ship motions but also the local physical values, e.g. SSWs and pressure distributions are used for the validation to clarify the differences among the calculation methods. In the measurement of SSWs, a new method using high-speed cameras and multi-laser sheets is presented.
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