Full scale CFD simulation for marine design: a review by Milovan Peric
Computational fluid dynamics (CFD) is becoming widely used in marine design. Generally, CFD is run at model scale to compare with testing tank validation data. However, translating model-scale results to full-scale is difficult since Reynolds number scaling is not observed. This means that an optimal design at model scale often does not match full-scale requirements. Studying interactions between different scale vessel components such as hull-propeller interactions, or energy saving devices, is also not easy at model scale.
In this white paper, Professor Milovan Peric examines some common reservations about running CFD at full scale and encourages full-scale analysis of marine designs under realistic operating conditions. The paper looks at the effects of Reynolds number scaling, as well as computational mesh requirements, and shows examples of full-scale CFD simulation on complex cases. In many cases, full-scale simulation is more accurate and reliable than alternatives and leads to a greater understanding of design performance.
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Computational fluid dynamics (CFD) is becoming widely used in marine design. Generally, CFD is run at model scale to compare with testing tank validation data. However, translating model-scale results to full-scale is difficult since Reynolds number scaling is not observed. This means that an optimal design at model scale often does not match full-scale requirements. Studying interactions between different scale vessel components such as hull-propeller interactions, or energy saving devices, is also not easy at model scale.
In this white paper, Professor Milovan Peric examines some common reservations about running CFD at full scale and encourages full-scale analysis of marine designs under realistic operating conditions. The paper looks at the effects of Reynolds number scaling, as well as computational mesh requirements, and shows examples of full-scale CFD simulation on complex cases. In many cases, full-scale simulation is more accurate and reliable than alternatives and leads to a greater understanding of design performance.
