Seismic analysis of base-isolated cylindrical liquid tanks considering fluid-structure interaction
محل انتشار: اولین همایش منطقه ای توسعه منابع آب
سال انتشار: 1390
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 2,062
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شناسه ملی سند علمی:
RWRDC01_029
تاریخ نمایه سازی: 11 اردیبهشت 1390
چکیده مقاله:
It has been observed that in many earthquakes, the foregoing systems considerably affect on the whole system response reduction. However, in exceptional cases of ground motion by long-period shaking, the base-isolation systems could have adverse effects due to excessive liquid surface displacement. Therefore, the numerical seismic response of liquid storage tanks isolated by bilinear hysteretic bearing elements is investigated under long-period ground motion in the present research. For this purpose, finite shell elements for the tank wall and internal boundary elements for the liquid region are employed. Lastly, fluid–structure equations of motion are coupled with governing equation of base-isolation system, to show the whole system behavior through using several parameters such as the tank geometry aspect ratio (height to radius) and the flexibility of the isolation system
کلیدواژه ها:
نویسندگان
Mohammad Reza Shekari Mehrabadi
Academic Staff Islamic Azad University Abarkoh Branch
Mohammad Reza Bazafcan
Academic Staff Islamic Azad University Abarkoh Branch
Seid Hessam Davoodi
Public Relationship Manager of Islamic Azad University Abarkoh Branch