CAJ | 학술논문

目前国际海事组织（IMO）第二代完整稳性衡准工作组正在制定瘫船稳性薄弱性衡准。本文针对2014年 IMO 船舶设计建造分委会（SDC）第一次会议草案，首先分析草案中意大利提出的瘫船稳性第二层薄弱性衡准方法，并对该方法进行了详细的介绍。其次根据草案方法采用考虑风浪的联合作用的1DOF 非线性横摇运动方程，GZ 曲线采用不同的拟合方法，有效波倾采用简化计算公式和已有数据拟合的两种方法，编制了相应的计算程序。最后利用标准船模 CEHIPAR 2792计算了不同风速下倾覆概率，根据计算结果分析了不同的 GZ 曲线拟合方法及有效波倾的计算方法对倾覆概率的影响，并对瘫船稳性第二层薄弱性衡准方法提出修改意见。
목전국제해사조직（IMO）제이대완정은성형준공작조정재제정탄선은성박약성형준。본문침대2014년 IMO 선박설계건조분위회（SDC）제일차회의초안，수선분석초안중의대리제출적탄선은성제이층박약성형준방법，병대해방법진행료상세적개소。기차근거초안방법채용고필풍랑적연합작용적1DOF 비선성횡요운동방정，GZ 곡선채용불동적의합방법，유효파경채용간화계산공식화이유수거의합적량충방법，편제료상응적계산정서。최후이용표준선모 CEHIPAR 2792계산료불동풍속하경복개솔，근거계산결과분석료불동적 GZ 곡선의합방법급유효파경적계산방법대경복개솔적영향，병대탄선은성제이층박약성형준방법제출수개의견。
Vulnerability criteria on stability under dead ship condition are under development by the Sub-committee on Ship Design and Construction (SDC) of International Maritime Organization (IMO) in the second generation intact stability criteria. Firstly, according to the draft outlined in the IMO SDC1 conference, the paper describes the method of Level 2 vulnerability criteria of dead ship, which is submitted by Italy, and gives more details about this method. Secondly, an uncoupled roll mathematical model(1DOF)is used to calculate roll motion in irregular beam waves and wind, in which GZ curve is fitted with different methods and effective slope is obtained by a simplified formula or by fitting exist data in the draft. Corresponding calculation procedure is built. Finally, capsizing probability under different wind speed is given by using standard model named CEHIPAR 2792.According to the calculation results, various fitting methods of GZ curve and calculation methods of effective slope on capsizing probability are validated, and the modification is provided for Level 2 vulnerability criteria of Stability under dead ship condition.