a discontinuous model to study fracture of brittle materials

Clicks: 125
ID: 159479
2004
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Abstract
In this paper, the partition of the unity property of finite element shape functions is used to introduce displacement discontinuities into finite elements. The discontinuous character of the displacement field is captured with the Heaviside step function. Using the partition of unity concept, the governing equation of the continuum and the discontinuity are separated and are consequently described by different constitutive laws. Inside the discontinuity, a plasticity based constitutive law is used to describe the decrease of tractions in function of the crack opening while the continuum is assumed to remain elastic. The methodology will be described and validated with a comparison between numerical simulations and experimental results.This paper is dedicated to J. Sejnoha, TU Prague, with respect and admiration for his scientific achievement. 
Reference Key
proft2004actaa Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;K. De Proft;W. P. De Wilde
Journal the journal of nutrition
Year 2004
DOI
DOI not found
URL
https://ojs.cvut.cz/ojs/index.php/ap/article/view/614
Keywords
engineering (general) civil engineering (general)

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