| Seismic Response Control of Offshore Platform Structures with Shape Memory Alloy Dampers |
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| 作者姓名： | 李宏男 何晓宇 霍林生 |
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| 作者单位： | StateKeyLaboratoryofCoastalandOffishoreEngineering,DalianUniversityofTechnology,Dalian116024,China |
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| 基金项目： | theDistinguishedYouthScienceFoundationoftheNationalNaturalScience FoundationofChina(GrantNo.50025823),ScientificResearchProjectoftheMinistryofEducation(ClassA,GrantNo.20201056)andImportantProjectofNaturalScienceFoundationofLiaoningProvince(GrantNo.200110 |
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| 摘 要： | In this study, the seismic response control of offshore platform structures with Shape Memory Alloy (SMA) dampers is investigated. A new SMA damper and its restoring force medel are introduced for the calculation of seismic response reduction. Based on an actual platform structure and its mechanical medel, the parameters which may affect the rate of shock absorption are analyzed, such as the number, position and characteristics of the SMA dampers and the condition of the site where the platform is located. The results show that the SMA damper is an effective control device for offshore platforms and satisfactory control can be achieved by proper selection of the parameters.
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| 关 键 词： | 海上平台 地震波响应控制 形状记忆合金 阻尼器 |
Seismic Response Control of Offshore Platform Structures with Shape Memory Alloy Dampers |
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| Abstract: | In this study, the seismic response control of offshore platform structures with Shape Memory Alloy (SMA) dampers is investigated. A new SMA damper and its restoring force model are introduced for the calculation of seismic response reduction. Based on an actual platform structure and its mechanical model, the parameters which may affect the rate of shock absorption are analyzed, such as the number, position and characteristics of the SMA dampers and the condition of the site where the platform is located. The results show that the SMA damper is an effective control device for offshore platforms and satisfactory control can be achieved by proper selection of the parameters. |
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| Keywords: | offshore platform SMA damper vibration control seismic response |
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