Shock and Vibration

Shock and Vibration / 2010 / Article

Open Access

Volume 17 |Article ID 687549 |

Y.I. Özdemir, Y. Ayvaz, "Parametric Earthquake Analysis of Thick Plates Using Mindlin’s Theory", Shock and Vibration, vol. 17, Article ID 687549, 15 pages, 2010.

Parametric Earthquake Analysis of Thick Plates Using Mindlin’s Theory

Received14 Feb 2008
Revised29 Apr 2009


The purpose of this paper is to study parametric earthquake analysis of thick plates using Mindlin's theory, to determine the effects of the thickness/span ratio, the aspect ratio and the boundary conditions on the linear responses of thick plates subjected to earthquake excitations and to present the frequency parameters and the mode shapes of the same plates. In the analysis, finite element method is used for spatial integration and the Newmark-β method is used for time integration. A computer program using finite element method is coded in C++ to analyze the plates clamped or simply supported along all four edges. In the analysis, 8-noded finite element is used. Graphs and tables are presented that should help engineers in the design of thick plates subjected to earthquake excitations. It is concluded that, in general, the changes in the thickness/span ratio are more effective on the maximum responses considered in this study than the changes in the aspect ratio. It is also concluded that the effects of the change in the thickness/span ratio on the frequency parameter of the thick plates are always larger than those of the change in the aspect ratio.

Copyright © 2010 Hindawi Publishing Corporation. 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.

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