Paper Title:
Simplified Static Analysis for Shock Behavior Evaluation of Thin Glass Plates
  Abstract

Recently, mechanical shock failures of a flat display unit such as TFT-LCD device have been an important concern of designers. In order to achieve the mechanical shock requirement, it is necessary to perform the detailed FE analyses which could be very expensive either by the lengthy computation or by the complicated geometry modeling. The objective of this study is to propose a simplified analysis methodology to simulate impact behavior of thin glass plates. The static problem equivalent to the impact one is found from the concept of solid mechanics to estimate the maximum deflection and stress under impact loading. To show the plausibility of the proposed approach, it is applied to the idealized problem which is a two dimensional beam subjected to impact loading. Based on explicit FE analyses using the LS-DYNA FE program, it was shown that the impact problem can be solved by the equivalent static analysis which is much easier to solve in practice. Therefore, the proposed approach provides significant advantages in design optimization of a TFT-LCD device against shock failure, and enables the designer to avoid ad hoc modeling of the transient dynamics so that product design cycle could be shortened.

  Info
Periodical
Solid State Phenomena (Volume 110)
Edited by
Young-Jin Kim
Pages
263-270
DOI
10.4028/www.scientific.net/SSP.110.263
Citation
S. I. Moon, C. H. Kim, J. C. Koo, J. B. Choi, Y. J. Kim, Y. J. Kim, "Simplified Static Analysis for Shock Behavior Evaluation of Thin Glass Plates", Solid State Phenomena, Vol. 110, pp. 263-270, 2006
Online since
March 2006
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$32.00
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