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首页> 外文会议>International Conference on Management, Manufacturing and Materials Engineering >Time-history response analysis of jacket offshore platform due to water level variation and safety of structural members
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Time-history response analysis of jacket offshore platform due to water level variation and safety of structural members

机译：由于水位变化和结构构件安全性因夹克海上平台的时间历史响应分析

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Jacket structures are designed for a specific water level (LAT). One of the important issues about these structures is the water level rise. For example, the level of water in the Caspian Sea has risen by 2.5m in the last fifteen years and is continuing to rise. The aim of this study is to investigate the behavior of one typical shallow or medium water jacket platform (a four-leg steel jacket platform in 55m water depth) under water level rise and to evaluate utilization factor of different element at different elevations. In this paper the finite element method (ANSYS) was used for the purpose of modeling of the structure. This paper discusses the effect of water level variation acting on the jacket structure and illustrates subsequent results of the stress utilization within the structure elements. The results of time history analysis show that the initial design water depth (before water level rise) has a basic role on the subsequent behavior of structural elements.
机译：夹克结构设计用于特定的水位（LAT）。这些结构的重要问题之一是水位上升。例如，在过去的十五年里，里海海中的水平在上面的十五年中升起了2.5米，并继续上升。本研究的目的是研究水位上升的典型浅或中型水套平台（55米水深的四腿钢夹套平台）的行为，并评估不同元素的不同元素的利用因子。在本文中，有限元方法（ANSYS）用于建模结构的目的。本文讨论了对夹套结构作用作用的水位变化的影响，并说明了结构元件内应力利用的后续结果。时间历史分析结果表明，初始设计水深（在水位上升之前）对结构元素的后续行为具有基本作用。

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