MOTION OF A BODY SUBMERGED INTO A FLUID WITH AN ICE-COVER

 nâyce n âicðanoaþuae aeoeâiinouþ â in-âiaiee iieyðiuo ðaeiiiâ Ieðiâiai ieaaiaâicieeaao iaiaoiaeiinou enneaaiâaiey iðioan-niâ âieiiiaðaciâaiey â nieioiii eaayiii ii-eðiâa, âucâaiiuo ðacee÷iuie enoi÷ieeaieâiciouaiee. Ðaiaa ainoaoi÷ii iiaðiaii aueaenneaaiâaia caaa÷a i aâeaeaiee âiaoiae ia-aðocee ii euao (ni. iaciðu [1, 2]). Iaiaei âic-aaenoâea iiaðoaeaiiiai oaea e âeeyiea eaay-iiai iieðiâa ia aai aeaðiaeiaie÷aneea oaðae-oaðenoeee aua iaei eco÷aii. Eeou â iineaaieaaiau iiyâeeenu ðaaiou [3, 4], â eioiðuo iiða-aaeaiu eiýooeoeaiou iðeniaaeiaiiie iannue aaiioeðiâaiey iðe eieaaaieyo iiaðoaeaiiienoaðu â iaiiðiaiie e aâooneieiie aeeaeinoe.