The Mechanical Response Analysis of Large Horizontal LNG Storage tank
Journal Title: Scholars Journal of Engineering and Technology - Year 2016, Vol 4, Issue 4
Abstract
Abstract: As a clean and efficient energy, LNG (Liquefied Natural Gas) is using on a big scale. For storage LNG, the design of the horizontal LNG storage tank is developing to large size and complicated functions. Under the earthquake, the destruction of storage tank will lead to explode, leak and make serious losses. Based on this present situation, for 463m3 large horizontal LNG storage tank, this paper established finite element models that one has no water and one has 50% water, and analyzed model analysis and seismic response. Researching on the influence of water sloshing on structure, the results shows, the structural free vibration period is larger without water, and when storing water, the water sloshing reduces the structural free vibration period efficiently. The seismic response analysis shows, horizontal tank structure’s response under the earthquake is not only related to the dynamic performance of the structure itself, but also related to the characteristics of seismic wave. Keywords: large horizontal tank, finite element model, model analysis, seismic response.
Authors and Affiliations
Zhou Lijian, Wang Xue, Sun Mingyang
Keywords
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