多点系泊 FPSO水动力分析

LOGO多点系泊FPSO水动力分析学生：朱浩指导老师：施兴华毕业设计之三月历程毕业设计基本内容及要求建立FPSO模型水动力计算数据处理编写论文30万吨级多点系泊FPSO西非海域风浪流多种载荷作用SESAM基本条件FPSO基本结构海况应用软件前期模型GenieHydroDDeepC基本模型建立时域耦合分析水动力数值计算GenieDeepCHydroDDNV-SESAMGenieThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.HydroDDescriptionofthecontentsDeepCDescriptionofthecontents附加质量系数1.2,5.71E+060.00E+001.00E+072.00E+073.00E+074.00E+075.00E+0700.20.40.60.811.21.4VALUEFREQUENCY附加质量111.2,2.81E+070.00E+001.00E+082.00E+083.00E+084.00E+085.00E+0800.20.40.60.811.21.4VALUEFREQUENCY附加质量221.2,5.46E+080.00E+002.00E+084.00E+086.00E+088.00E+081.00E+091.20E+0900.20.40.60.811.21.4VALUEFREQUENCY附加质量331.2,5.74E+105.70E+105.75E+105.80E+105.85E+105.90E+105.95E+1000.20.40.60.811.21.4VALUEFREQUENCY附加质量441.2,3.32E+120.00E+001.00E+122.00E+123.00E+124.00E+125.00E+126.00E+1200.20.40.60.811.21.4VALUEFREQUENCY附加质量551.2,2.10E+110.00E+001.00E+122.00E+123.00E+1200.20.40.60.811.21.4VALUEFREQUENCY附加质量66附加阻尼系数1.2,1.04E+070.00E+005.00E+061.00E+071.50E+072.00E+072.50E+0700.20.40.60.811.21.4VALUEFREQUENCY附加阻尼111.2,6.01E+070.00E+002.00E+074.00E+076.00E+078.00E+071.00E+081.20E+081.40E+081.60E+081.80E+0800.20.40.60.811.21.4VALUEFREQUENCY附加阻尼221.2,7.32E+050.00E+005.00E+071.00E+081.50E+0800.20.40.60.811.21.4VALUEFREQUENCY附加阻尼331.2,1.07E+090.00E+005.00E+081.00E+091.50E+0900.20.40.60.811.21.4VALUEFREQUENCY附加阻尼441.2,6.63E+090.00E+002.00E+114.00E+116.00E+118.00E+1100.20.40.60.811.21.4VALUEFREQUENCY附加阻尼551.2,4.33E+11-2.00E+110.00E+002.00E+114.00E+116.00E+118.00E+111.00E+121.20E+1200.20.40.60.811.21.4VALUEFREQUENCY附加阻尼66幅值响应算子RAO1.2,1.20E-031.2,4.38E-041.2,3.33E-031.2,2.74E-041.2,4.51E-040.00E+005.00E-011.00E+001.50E+002.00E+0000.20.40.60.811.21.4AMPLITUDEFREQUENCYHEAVE045901351801.2,2.30E-051.2,1.22E-051.2,7.15E-061.2,4.00E-061.2,2.15E-060.00E+002.00E-034.00E-036.00E-038.00E-031.00E-021.20E-0200.20.40.60.811.21.4AMPLITUDEFREQUENCYPITCH045901351801.2,0.00E+001.2,3.03E-051.2,7.86E-041.2,4.68E-051.2,1.08E-110.00E+001.00E-022.00E-023.00E-024.00E-025.00E-026.00E-027.00E-028.00E-0200.20.40.60.811.21.4AMPLITUDEFREQUENCYROLL045901351801.2,1.20E-021.2,1.73E-031.2,1.01E-031.2,4.50E-031.2,9.66E-030.00E+002.00E-014.00E-016.00E-018.00E-011.00E+001.20E+0000.20.40.60.811.21.4AMPLITUDEFREQUENCYSURGE045901351801.2,0.00E+001.2,2.23E-031.2,6.44E-021.2,3.98E-031.2,4.84E-100.00E+002.00E-014.00E-016.00E-018.00E-011.00E+001.20E+0000.20.40.60.811.21.4AMPLITUDEFREQUENCYSWAY045901351801.2,0.00E+001.2,6.19E-051.2,2.27E-051.2,1.24E-041.2,2.59E-110.00E+001.00E-032.00E-033.00E-034.00E-035.00E-036.00E-0300.20.40.60.811.21.4AMPLITUDEFREQUENCYYAW04590135180一阶波浪力传递函数1.2,0.00E+001.2,7.04E+061.2,1.57E+081.2,1.04E+071.2,2.02E+000.00E+005.00E+071.00E+081.50E+082.00E+082.50E+0800.20.40.60.811.21.4AMPLITUDEFREQUENCYROLL045901351801.2,1.44E+061.2,5.25E+051.2,3.81E+061.2,3.11E+051.2,5.02E+050.00E+005.00E+071.00E+081.50E+082.00E+0800.20.40.60.811.21.4VALUEFREQUENCYHEAVE045901351801.2,1.67E+081.2,7.97E+071.2,5.33E+071.2,2.98E+071.2,1.28E+0701E+092E+093E+094E+095E+096E+097E+0900.20.40.60.811.21.4AMPLITUDEFREQUENCYPITCH04590135180二阶波浪力传递函数1.2,2.45E+051.2,1.50E+051.2,-9.64E+031.2,-1.54E+051.2,-2.17E+05-400000-300000-200000-100000010000020000030000040000000.20.40.60.811.21.4AMPLITUDEFREQUENCYSURGE045901351801.15,-1.41E-031.15,7.54E+051.15,1.45E+061.15,7.94E+051.15,-3.82E-02-20000002000004000006000008000001000000120000014000001600000180000000.20.40.60.811.21.4AMPLITUDEFREQUENCYSWAY045901351801.2,-4.38E-011.2,-1.15E+071.2,-3.24E+061.2,9.40E+061.2,-2.24E+00-30000000-20000000-10000000010000000200000003000000000.20.40.60.811.21.4AMPLITUDEFREQUENCYYAW04590135180涌浪变化下的数值分析涌浪变化下最大张力风浪180°，涌浪从0°至180°180°0°45°135°66416712699590°70637623系缆根数对系泊性能的影响8-3.86020.434901-2.78302-0.048451.011675.07444系缆纵荡横荡12-3.105230.323767-2.25308-0.033690.8729943.59694波频和低频运动响应布置方式项目最大值/m标准差平均值/m8根纵荡波频0.3033740.029328-8.38E-05低频-2.814940.433903-3.86012横荡波频2.611460.665722-0.000161低频4.106750.761774-0.04828712根纵荡波频0.3620350.029723-5.54E-05低频-2.286410.322358-3.10517横荡波频2.6044970.667852-0.000142低频3.110780.562126-0.0335416根纵荡波频0.1984460.0289433.38E-07低频-1.659060.224651-2.23008横荡波频2.608920.668787-0.00014低频2.644360.480223-0.028783低频响应中涌浪、风浪占据同等重要地位，而波频响应中涌浪则占据主导地位；所以在西非海域进行FPSO等浮式结构物水动力性能研究时，必须考虑风浪和涌浪同时存在的情况；当涌浪与风浪流同时存在且夹角为90°时，此时对应的系缆张力最大；此外，西非多点系泊FPSO船艏沿迎风浪流入射方向布置，能更好的控制系泊系统的系缆最大张力及船体最大运动响应系缆根数对多点系泊FPSO水动力性能有重大影响，随着系缆根数的增加，船体纵荡、横荡响应和系缆动力响应都减小，且船体运动响应的减小主要体现在低频成份上的减小结论LOGO