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Dynamic Analysis of a Single-Column Platform
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作者 Lian Gan , Ni Kan, Hu Kai and Guo Dawei Prof., Senior Engineer, Marine Design and Research Institute of China, Shanghai Senior Engineer, Marine Design and Research Institute of China, Shanghai Engineer, Marine Design and Research Institute of China, Shanghai 《China Ocean Engineering》 SCIE EI 1991年第4期385-394,共10页
In this paper, a single-column structure used as well-head platform is studied. The loads of wave and current exerted on the single-column will be greatly reduced, therefore the cost of the structure will be decreased... In this paper, a single-column structure used as well-head platform is studied. The loads of wave and current exerted on the single-column will be greatly reduced, therefore the cost of the structure will be decreased. The advantages of the single-column structure compared with ordinary jacket structure are explained. A dynamic analysis of this type of structure is made and some problems related to dynamic analysis are solved. In order to check the reliability of computation theory and programme, model tests have been carried out. However, as space is limited, the conclusion of tests will be introduced in another paper. Therefore, this type of structure is applicable for proctical engineering. 展开更多
关键词 single-column structure dynamic analysis diffraction wave theory natural period resonant dynamic strength damping ratio fictitious stiffness of pile top fatigue analysis
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Dynamic Analysis of a Single-Column Platform (II)
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作者 Lian Gan, Ni Kan, Hu Kai Guo Dawei 2. Professor, Senior Engineer, Marine Design & Research Institute of China, Shanghai3. Senior Engineer, Marine Design & REsearch Institute of China, Shanghai4. Engineer, Marine Design & Research Institute of China, Shanghai 《China Ocean Engineering》 SCIE EI 1992年第4期395-402,共8页
This paper describes the study of a single-column structure used as well-head platform. In order to check the reliability of computation theory and programme, model tests have been carried out. The paper introduces th... This paper describes the study of a single-column structure used as well-head platform. In order to check the reliability of computation theory and programme, model tests have been carried out. The paper introduces the conclusion of tests and the dynamic properties of single-column platform are obtained. 展开更多
关键词 single-column structure dynamic analysis diffraction wave theory natural period damping ratio
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Wave force on composite bucket foundation of an offshore wind turbine 被引量:2
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作者 练继建 于通顺 张金凤 《Journal of Hydrodynamics》 SCIE EI CSCD 2016年第1期33-42,共10页
A new analytical expression for calculating the wave force on a composite bucket foundation is obtained. Based on the diffraction theory, the analytical solution of the wave pressure and the wave force on the composit... A new analytical expression for calculating the wave force on a composite bucket foundation is obtained. Based on the diffraction theory, the analytical solution of the wave pressure and the wave force on the composite bucket foundation is accurately derived by assigning reasonable boundary conditions. Experiments for the wave pressure on the bucket foundation with a scale of 1:60 under different wave conditions in the wave flume are designed and conducted. The analytical results agree well with the experimental data, and the theoretical approach can accurately predict the wave force on the large-scale structures. The wave pressure distribution on the composite bucket foundation is presented and the influence of the wave height, the water depth and the wave period on the wave force on the composite bucket foundation is investigated. This study provides a quite accurate method to calculate the wave force on a composite bucket foundation, which gives a good framework for future studies of the wave force on other large-scale structures with complex boundaries. 展开更多
关键词 wave force composite bucket foundation diffraction theory wave flume
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