The FSI Benchmark Based on OKBM Experiments to Validate Coupled CFD and CSD Calculations - NEA Benchmark Exercise

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This report provides the results of the fluid structure interaction (FSI) benchmark, which was developed and performed by the designer and engineering company OKBM as part of NEA and ROSATOM activities. The work to complete the benchmark activity was carried out during the period 2019-2021. The FSI benchmark is aimed at validating the numerical coupled calculations of the flow-induced vibrations of a tube bundle in cross flow by comparing the numerical predictions obtained by different participants with the experimental data.