roll natural frequency

基本解釋

There is no peaking in the response but simply a smooth roll-off above the natural frequency.
響應(yīng)期間無(wú)高峰期，只是簡(jiǎn)單的，在固有頻率上平滑的跌落。
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The roll is increased and severer than shipping state when the frequency of wave is similar as the natural rolling frequency of ships.
船舶在系泊或低航速狀態(tài)下，當(dāng)涌浪周期接近船舶自然橫搖周期時(shí)，船舶搖擺比航行時(shí)更為劇烈。
A nonlinear parametric excitation equation is obtained for ships in longitudinal waves, and the dynamic stability is analyzed when the natural frequency of heave and roll are approximately equal.
本文建立了在縱浪上航行船舶的非線性參數(shù)激勵(lì)橫搖運(yùn)動(dòng)方程，研究了當(dāng)升沉固有頻率接近橫搖固有頻率時(shí)船舶的穩(wěn)定性。