ABS 133 NOTICE 1-2008 GUIDE FOR THE ASSESSMENT OF PARAMETRIC ROLL RESONANCE IN THE DESIGN OF CONTAINER CARRIERS《集装箱班轮设计中对参激横摇的评估指南》.pdf
《ABS 133 NOTICE 1-2008 GUIDE FOR THE ASSESSMENT OF PARAMETRIC ROLL RESONANCE IN THE DESIGN OF CONTAINER CARRIERS《集装箱班轮设计中对参激横摇的评估指南》.pdf》由会员分享,可在线阅读,更多相关《ABS 133 NOTICE 1-2008 GUIDE FOR THE ASSESSMENT OF PARAMETRIC ROLL RESONANCE IN THE DESIGN OF CONTAINER CARRIERS《集装箱班轮设计中对参激横摇的评估指南》.pdf(3页珍藏版)》请在麦多课文档分享上搜索。
1、 ABSGUIDE FOR THE ASSESSMENT OF PARAMETRIC ROLL RESONANCE IN THE DESIGN OF CONTAINER CARRIERS .2004 1 GUIDE FOR THE ASSESSMENT OF PARAMETRIC ROLL RESONANCE IN THE DESIGN OF CONTAINER CARRIERS SEPTEMBER 2004 NOTICE NO. 1 June 2008 The following Changes become EFFECTIVE AS OF 1 JUNE 2008. (See http:/w
2、ww.eagle.org/absdownloads/index.cfm for the consolidated version of the Guide for the Assessment of Parametric Roll Resonance in the Design of Container Carriers, with all Notices and Corrigenda incorporated.) Notes - The date in the parentheses means the date that the Rule becomes effective for new
3、 construction based on the contract date for construction, unless otherwise noted. (See 1-1-4/3.3 of the ABS Rules for Conditions of Classification (Part 1).) SECTION 3 NUMERICAL SIMULATIONS (1 June 2008) (Revise Section 3, as follows:) If the susceptibility to parametric roll has been determined in
4、 Section 2, numerical simulations are required. As guidance, it is recommended that a numerical simulation system based on potential hydrodynamic formulation be used, capable of calculation of hydrostatic and Froude-Krylov forces and moments over an instantaneous submerged body. Hydrodynamic forces
5、and moments can be calculated over the average waterline. The simulation system should be capable of taking into account viscous and eddy-making components of roll damping as external terms from the roll decay test. Sample of such simulation technology is described in (1). Numerical simulations are
6、to be performed for representative loading conditions included in Stability and Trim Booklet and should include at least three degrees of freedom: heave, roll and pitch. Numerical simulations are to be carried out for irregular seas for the entire range of service speeds; recommended increment is 5
7、knots. Numerical simulations in irregular seas are to be performed for long-crested waves. Bretschnieder or JONSWAP spectrum is to be used. Simulations are to be carried out for the range of wave directions from 0 degrees (following seas) to 180 degrees (head seas) in 15 degrees increments and for a
8、 number of sea states starting from sea state 6 and above. - 1Y.S.Shin, V.L.Belenky , Y.M.Lin, K.Weems, A.Engle “Nonlinear Time Domain Simulation Technology for Seakeeping and Wave Load Analysis for Modern Ship Design”, SNAME Annual Meeting 2003, San-Francisco. Notice No. 1 June 2008 2 ABSGUIDE FOR
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