Year: 2025
Type: article
Abstract: The comparative assessment of hull forms remains a critical element in the optimization of small-craft design, particularly in terms of resistance and manoeuvering performance. This study presents a computational fluid dynamics (CFD) analysis of two hull configurations: a conventional bow and an alternative wide bow. Simulations were carried out in Star-CCM+ using a predefined velocity–heel–drift matrix, ensuring equal displacement for both hulls. The results are discussed with reference to hydrodynamic resistance and flow patterns. In addition, numerical outcomes at 6.50 knots without heel or drift were compared against the Delft Systematic Yacht Hull Series (DSYHS) to validate the computational approach. The findings highlight the influence of bow geometry on resistance characteristics and provide insight into the associated design trade-offs between seakeeping and efficiency. This research contributes to the understanding of hull optimization for naval applications, by offering a methodological framework for integrating CFD-based assessments with systematic experimental benchmarks.
Source: Ciencia y tecnología de buques
Authors: José S. Pájaro, Omar D Vásquez
Language: English
Subfield: Ocean Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: diamond
OpenAlex ID: W7124418085
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