Comparing 2D and 3D linear response of a simplified LNG membrane cargo containment system

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Abstract

The difference between 2D and 3D response is quantified using wide loads with different slopes and concentrated loads with different impact locations. For wide loads the slope is not important for the maximum indentation, but does effect the maximum stress. Similarly, when a concentrated load is small compared to the panel, the impact location is not important. There is however a large difference in response between the wide and concentrated loads. To conclude: the 2D response is only valid for wide loads with small slopes.

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