Analysis of the 3-D Stress Wave in a Plate under Impact Load by Finite Element Method

  • Jin, Sung-Hoon (Department of Building Architecture, Seonam University, Chonbuk, South Koea) ;
  • Hwang, Gab-Woon (Department of Automotive Engineering, Song-Won college, Gwangju, South kore) ;
  • Cho, Kyu-Zong (Department of Automotive college of Engineering, Chonnam National University, Gwangju, South Korea)
  • Published : 2001.07.01

Abstract

This paper attempt to explore the shape of stress wave propagation of 3-dimensional stress field which in made in the process of the time increment. A finite element program about 3-dimensional stress wave propagation is developed for investigating the changing shape of the stress by the impact load. The finite element program, which is the solution for the 3-dimensional stress wave analysis, based on Galerkin and Newmark-${\beta}$ method at time increment step. The tensile stress and compressive stress become larger with the order of the middle , the upper and the opposite layers when the impact load is applied. In a while the shear stress become larger according to the order of the upper, the middle and the opposite layers when impact load applied.

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