Dynamic responses of oil storage tank considering wind interference effect

Abstract

Oil storage tanks play a very important role in economic and social development; however, there are numerous cases of damage caused by wind and earthquake. Considering fluid-structure interaction, wind interference and material nonlinearity, firstly, wind fields are S^#simulated by computational fluid dynamics and solved by SIMPLEC method under the conditions of single tank and double tanks; second, the wind pressures in the two cases are obtained and applied to the oil storage tanks, 3-D numerical calculation model is established. Wind disturbance effect on dynamic responses is discussed, and influence of storage ratio and seismic wave type on dynamic responses under wind-earthquake action is further investigated. Results show that wind disturbance effect has a great influence on the dynamic responses of liquid storage tank, especially in the empty state. When the liquid storage ratio is large, traditional oil storage tank is easy to be damaged under the action of wind-strong earthquake. Wind interference effect should be considered in the design and application of oil storage tanks, at the same time, shock absorption and strengthening measures should be taken for oil storage tanks under wind-strong earthquake.