... takes into account auto-vibrational processes in the ice-structure system. investigation lyubimov oase offshore struoture struoture analysis khrapaty prooess oondition ohange struoture vibration structure vibration ice force foroe inorease zone vibration velooity struoture energy...

...) (Bolot in et a 1980 ) , "average" and "small" (rapid). In a "small" time soale the variability of ice foroes is determined by the oomplex prooesses of the ioe-struoture interaotion and the failure meohanism. certain oonditions pro- voke dangerous struetural vibrations whioh de- pend on both parameters...

... on the free surface may be ignored. In reference to single cylindrical structures this assumption was studied by Sakurai (1964) and Liaw (1974). engineering investigation cylindrical structure upstream oil & gas assumption equation frequenoy vibration offshore structure struoture...