Impulsive and convective seismic response
Witryna3 sie 2016 · The impulsive part represents effects of the portion of the liquid which moves in unison with the tank. It behaves like a mass rigidly connected to the tank wall. The convective part represents the free … Witryna29 lip 2024 · In order to study the dynamic response of the LNG storage tank under the action of seismic load and the seismic isolation effect of the lead-core rubber bearing, this paper establishes the experimental storage tank model with reference to the structural form of the large-scale LNG storage tank, and the seismic response of the …
Impulsive and convective seismic response
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Witryna3 sie 2024 · Although there are various vibration modes for WST under earthquake excitation, the first convective mode and first impulsive mode can sufficiently predict the seismic response of water body based on the experimental results of Kim and Lee [ 25] and numerical results of Malhotra [ 14 ]. WitrynaThe installation details the protective technology, and the benefits induced in the seismic response of the tank structure are discussed. Costs are also estimated and compared with the costs of a conventional non- dissipative bracing retrofit solution developed for the same performance. ... which determines mcj convective and mij impulsive ...
Witryna1 sty 2014 · For the first time, the total seismic action was split in two parts, namely, the “impulsive” part and the “convective” part. This concept constitutes the basis for the American Petroleum Institute ( 2003, 2007) Standard provisions (Appendix E) for vertical cylindrical tanks. Witrynaamplification factors for the horizontal motion of the convective component (for 0.5% of critical damping) and the impulsive component (for 5% of critical damping), Rw …
Witryna1 gru 2016 · The flexibility of the tank wall has an impact on impulsive liquid mass that experiences accelerations greater than peak ground accelerations and there is no … WitrynaImpulsive and convective hydrodynamic pressure are calculated and by SRSS rule it is applied as equivalent linear distribution of pressure on wall and base of tank. …
WitrynaImpulsive hydrodynamic pressure acts on tank walls due to Impulsive liquid mass. Liquid mass in upper region of tank experience sloshing motion. This mass is termed as convective liquid. Thus total liquid mass gets divided into two parts i.e. impulsive mass and convective mass.
WitrynaLateral design seismic forces for liquid-containing tanks include impulsive V i and convective V c components. The impulsive component is expressed as V i= C s iW i, where C s i is the impulsive base shear coefficient and W i is the seismic weight of the impulsive component. Likewise, the convective component is given by V c= C s cW … diabetic cat weak back legsWitrynaThe impulsive response is due to the impulsive pressures associated with inertia forces produced by impulsive accelerations of tank wall; while the convective … cindy lou who and the grinchWitrynaEarly developments of seismic response theories of liquid storage tanks considered the container to be rigid and focused attention on the dynamic response of the contained liquid. ... viz. an impulsive part which represents the portion of the liquid which moves in unison with the tank and a convective component which represent the portion of ... cindy lou who costumes for adultsWitrynaAccording to some embodiments, iterative learning control (ILC) systems may be used to control such seismic sources. According to some embodiments, local sensor(s) placed in, on, or near a seismic source and/or remote sensors placed in the far-field region may be used to determine a transfer function for the seismic source for such ILC control. diabetic cat wants to eat all the timeWitryna1 mar 2011 · The convective displacements of the tank are earthquake dependent and generally decrease with the increase of the period of the isolation system. Thus, using isolation period of 4.0–5.0 s might be recommended. Download : Download full-size image; Figure 10. Effect of isolation period on peak seismic response of isolated tanks. cindy lou who cosplayWitryna1 sie 2000 · This paper provides the theoretical background of a simplified seismic design procedure for cylindrical ground-supported tanks. The procedure takes into account impulsive and convective... cindy lou who costumes for kidsWitrynaIn this study, sloshing response of liquid is investigated in partially filled rectangular tanks subjected to earthquake ground motions.To verify the numerical modeling, shaking-table tests were carried out in sub-scale tanks for different excitation amplitudes, frequencies and fill water levels.Using the calibrated models, nonlinear numerical … diabetic cat weak legs