Abstract

Some eigenmodes and several hundreds of eigenfrequencies were measured for a very accurate spherical steel containment model. Even the influence of the surrounding air could be observed. Comparison with computational results shows surrounding air could be observed. Comparison with computational results shows shell response very well, provided the spatial resolution is sufficient. Based on these results the influence of shell imperfections which are typical for real containments will be investigated in the next step. Using the law of similarity all the results can easily be transferred from the model to the full scale containment.

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