**Next:** Example 6: Free Surface **Up:** Two-Dimensional Examples **Previous:** Example 4: Nonlinear Response

A rectangular tank of **30** ft. width and **15** ft. liquid height is subjected to the East West component of the El Centro earthquake record measured at the Imperial Valley site. The peak ground acceleration of this record is **0.21***g*. In order to filter high frequency surface wave components that propagate along the free surface, a dissipation factor of **0.025** is used. A finite element mesh that consists of 9-noded isoparametric liquid elements with a total of **441** nodes is used. Results are obtained and compared to those obtained from Ref. [32]. In order to show the free vibration response of the free surface, the time histories were obtained till time *t*=80 sec. although the earthquake duration was **53.48** sec. Figures (4.20) and (4.21) show wave height time history along the tank left and right wall, respectively.

**Figure 4.20:** Example 5, Wave Heights at Left Corner |

**Figure 4.21:** Example 5, Wave Heights at Right Corner |

**Next:** Example 6: Free Surface **Up:** Two-Dimensional Examples **Previous:** Example 4: Nonlinear Response *A. Zeiny*

*2000-09-06*