The Effect of Mesh Density in Lattice Models for Concrete with Incorporated Mesostructure

Abstract:

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This paper shows that mesh density dependency in brittle element lattice models cannot be completely removed by incorporating material mesostructure. This is concluded as a result of a series of simulations of fracturing in concrete using a 2D rigid-body-spring network. In the case of notched beams loaded in three-point-bending (TPB), adding finer grain structure led to a significant reduction in the dependency of the peak force on the mesh density. However, the energy dissipated during the fracture simulation was still affected significantly by the mesh density.

Info:

Periodical:

Key Engineering Materials (Volumes 488-489)

Edited by:

Z. Tonković and M.H. Aliabadi

Pages:

29-32

DOI:

10.4028/www.scientific.net/KEM.488-489.29

Citation:

J. Eliáš and M. Vořechovský, "The Effect of Mesh Density in Lattice Models for Concrete with Incorporated Mesostructure", Key Engineering Materials, Vols. 488-489, pp. 29-32, 2012

Online since:

September 2011

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Price:

$35.00

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