In design of Offshore jacket platform, I am having wave & current loads and ship impact load as lateral loads. Fr analysis purpose there are two types one is linear static analysis without effect of ship impact and another is ship impact analysis (nonlinear static pushover) without wave loads. If I m doing linear static then the structure is overdesigned in UC check. But for ship impact nonlinear static analysis the structure doesn't meet the requirements. If anyone have knowledge about this then please help me out with this.
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