It is an important part of any FEA to validate the model against known results. This was especially important with this analysis due to the complex nature of the structure and the assumptions required to allow effective analysis. It a well-known trap with FEA that pretty, but meaningless results are relatively easily produced. The firm focus of this study has been to produce an analysis that give meaningful, practical results which can be used to determine an implementable course of remedial action. The results of the FEA showed a modest reduction in the overall keel vertical displacement when compared to the unmodified vessel. The level of reduction was too small to consider the weight reduction and redistribution approach a solution in its own right.



Direct comparison with measured and computed keel vertical displacements



The error between computed and measured keel deformation