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PONAŠANJE BRODA NA TALASIMA____________________________U većem delu dijagrama, valjanja sepovećava s porastom MG...Povoljno je smanjenje MG...To je tipično natkritično ponašanje...Najmanje amplitude valjanja i ubrzanja javljaju primalim metacentarskim visinama, na granicidozvoljenih s aspekta stabiliteta broda...To je oblast dugih sopstvenih perioda, i mekogvaljanja broda...S povećanjem metacentarske visine, amplitudevaljanja i ubrzanja rastu...Tek pri izuzetno velikim metacentarskimvisinama, i posebno pri jakim olujama, uočava se(izvesan) povoljni efekat povećanja metacentarskevisine...Ovaj povoljan efekat potkritičnog valjanja je,međutim, mali, uočava se samo kod ugla, a nei kod ugaonog ubrzanja,i to pri metacentarskim visinama koje sutehnički veoma teško ostvarljive...Situacija je neuporedivo povoljnija pri malimmetacentarskim visinama.Da li se rezultati ovog pojedinačnog primerasmeju prihvatiti kao generalni zaključak?PREDAVANJA 2009. 217
PONAŠANJE BRODA NA TALASIMA____________________________Različiti brodoviPrethodna analiza, prema kojojuobičajeni brodovi na neregularnimtalasima imaju (uglavnom) natkritičnoponašanja...važi samo za uobičajene brodove...Katamarani, na primer, imaju drugačijeponašanjePREDAVANJA 2009. 218
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