兼具发电功能的张力腿平台系统动力响应研究李振眠a，b，余杨a，b，余建星a，b，张晓铭a，b，常雪莹a，b，徐立新a，b（天津大学a.水利工程仿真与安全国家重点实验室；b.天津市港口与海洋工程重点实验室，天津300072）摘要：本文针对一种由张力腿平台-内嵌式波能发电装置组成的多功能张力腿平台系统，考虑平台本体有限位移、六自由度运动耦合以及气室空气压缩性等非线性因素，建立系统的耦合动力学方程。采用变步长四阶-五阶龙哥库塔算法编写了数值仿真程序，计算得到了包括平台本体六个自由度运动、四个U型振荡液柱液面变化和八个气室-涡轮组的气室压力的响应。通过文献对比，验证了水动力模型和计算程序的正确性。计算结果表明：工作海况中振荡液柱液面变化能有效引起气室振荡；张力腿平台系统的动力响应满足油气生产作业要求。不同节流孔板开孔率、不同气室高度敏感性分析表明系统的运动性能稳定。建议发电系统开启时保持节流孔板完全打开和较小的气室高度。关键词：多功能浮式平台；波浪发电；振荡液柱；多体动力学；水动力稳定性中图分类号：P751文献标识码：Adoi:10.3969/j.issn.1007-7294.2023.02.004DynamicresponseoftensionlegplatformwithadditionalpowergenerationfunctionLIZhen-miana,b,YUYanga,b,YUJian-xinga,b,ZHANGXiao-minga,b,CHANGXue-yinga,b,XULi-xina,b(a.StateKeyLaboratoryofHydraulicEngineeringSimulationandSafety;b.TianjinKeyLaboratoryofPortandOceanEngineering,TianjinUniversity,Tianjin300072,China)Abstract:Thispaperfocusesonatensionlegplatform(TLP)-embeddedwaveenergyconverterssystemwithanadditionalenergyproductionfunction.ConsideringnonlinearfactorssuchasTLPhullfinitedisplacement,six-degreefreedommotioncouplingandaircompressibility,thecoupleddynamicequationsofthesystemwereestablished.Thecoupleddynamicequationswerewrittenasasimulationprogramandsolvedbythefour-orderRunge-Kuttaalgorithmwithvariabletimesteps.Thesix-degreefreedomoftheTLP,thevaria⁃tionsoftheliquidlevelofthefourU-shapedoscillatingliquidcolumnsandtheairchamberpressurerespons⁃esofeightairchamber-turbinegroupswerecalculated.Thecorrectnessofthewaveforcecalculationwasver⁃ifiedthroughliteraturecomparison.Resultsshowthattheoscillatingliquidcaneffectivelycausethefluctua⁃tionoftheair...
