Title: Probabilistic nonlocal damage model for continua with random-field properties
Authors: Carmeliet, Jan ×
Hens, Hugo #
Issue Date: Jan-1994
Publisher: Asce-amer soc civil engineers
Series Title: Journal of engineering mechanics-asce vol:120 issue:10 pages:2013-2027
Abstract: Nonlocal continuum damage mechanics and random field theory are used to model the stochastic damage behavior of a strain-softening material with random field properties, The randomness in the damage process is introduced by considering the initial damage threshold and the local strain-softening behavior as a bivariate random Nataf field, defined by the marginal distributions and correlation matrix. A key component of the model is the introduction of two different length parameters: the characteristic length of the nonlocal damage model and the correlation distance for the random field. The probabilistic nonlocal damage model is illustrated by presenting finite-element analyses of direct-tension tests. It is found that the specimen exhibits a structural behavior representing a nonsymmetrical deformation and nonlinear stress-displacement curve. The influence of the crosscorrelation coefficient between the initial damage and the strain-softening behavior is discussed. The probabilistic nonlocal damage model is also capable of describing the deterministic and probabilistic size effect of structures.
ISSN: 0733-9399
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Department of Civil Engineering - miscellaneous
Building Physics Section
× corresponding author
# (joint) last author

Files in This Item:

There are no files associated with this item.

Request a copy


All items in Lirias are protected by copyright, with all rights reserved.

© Web of science