摘要
本文采用ANSYS有限元软件,以风暴状态下的自升式平台为研究对象,建立了简化的三维有限元结构模型。考虑到复杂的海床环境,建立了三种不同约束条件下的平台模型,一种为传统的铰接模型,另一种考虑了插桩情况下桩土相互作用的影响,第三种模型基于API规范,考虑了桩靴结构与土相互作用对平台的影响。分别对三种模型进行有限元计算并对比分析,计算结果表明对自升式平台进行非线性分析和考虑桩土相互作用影响是必要的。
In this paper, a structural analysis model of the multi-purpose offshore jack-up platform was built by the finite element software ANSYS, and a finite element modal for the structural analysis of the platform was produced. Because of the complex seabed condition, two platform models were built： one model used a fixed support and the other one used a pile-soil interaction. With comparison of the responses from two models, the effects of different parameters were investigated. Meanwhile, the results of comparing linear analysis with non- linear analysis show that it is necessary to consider nonlinear effect and pile-soil interaction in the structural analysis of the platform.
出处
《华中科技大学学报（城市科学版）》
CAS
2010年第3期86-90,共5页
Journal of Huazhong University of Science and Technology
关键词
自升式平台
非线性
桩土相互作用
ANSYS
multi-purpose offshore mobile jack-up platform
nonlinear
pile-soil interaction
ANSYS
