A standard method for conducting ice resistance model tests as adopted by the Institute for Marine Dynamics is described. The standard procedure involves splitting the total resistance into components; ice breaking, clearing, buoyancy and open water. This allows each component to be treated separately when scaling to full-scale. The analysis procedure is then outlined showing how dimensionless numbers are used to scale the results to full-scale. The basis of the analysis procedure is also given showing how each component of total resistance is affected by model and ice parameters. The result is a rational basis for the conduct and analysis of ice resistance model tests.

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