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Modelling and Simulation in Engineering
Volume 2013 (2013), Article ID 252760, 13 pages
http://dx.doi.org/10.1155/2013/252760
Research Article

Finite Element Simulation of Dynamic Stability of Plane Free-Surface of a Liquid under Vertical Excitation

Structural Mechanics Laboratory, Indira Gandhi Center for Atomic Research, Kalpakkam, Tamil Nadu 603102, India

Received 8 July 2013; Accepted 15 September 2013

Academic Editor: Joseph Virgone

Copyright © 2013 Siva Srinivas Kolukula and P. Chellapandi. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Supplementary Material

Dynamic Instability.gif shows the animation of sloshing fluid for the second test case which lies in the unstable region, with frequency ratio Ω1 = 0.5 and forcing amplitude kV =0.3: test case 2 as shown in Figure 4. Figure 6 shows the free-surface elevation and Figure 7 shows the moving mesh generated in this case.

Detuning Effect.gif shows the animation of sloshing fluid for the fourth test case, with frequency ratio Ω3 = 0.5 and forcing amplitudeV = 0.2: test case 4 as shown in Figure 4. This case corresponds to instability in the second sloshing mode lying in the first instability region. Figure 8(b) shows the free-surface elevation and Figure 9 shows the moving mesh generated in this case.

  1. Supplementary Material