Membrane type CCS is one of the most possible solutions for VLEC. As static pressure and sloshing impact load will increase due to higher density, this result in the question of whether VLEC’s CCS is strong enough to withstand the increased load in the critical area. In this paper, ultimate strength of CCS in different boundary conditions was investigated using nonlinear finite element method. The dynamic response of CCS under critical sloshing impact load cases selected from tank sloshing analysis results using CFD method was investigated. Some important insights obtained from the study were summarized.

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