An Approach in Analyzing Longitudinal Fracture of Inhomogeneous Beams with Using Generalized Viscoplastic Models

Victor Iliev Rizov

doi:10.4028/p-mgilth

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Effective Thermal Conductivity of Structured Porous Medium: Numerical Study
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An Approach in Analyzing Longitudinal Fracture of Inhomogeneous Beams with Using Generalized Viscoplastic Models
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HomeDefect and Diffusion ForumDefect and Diffusion Forum Vol. 419An Approach in Analyzing Longitudinal Fracture of...

An Approach in Analyzing Longitudinal Fracture of Inhomogeneous Beams with Using Generalized Viscoplastic Models

Abstract:

This paper introduces a generalized viscoplastic model and describes its application in treating the longitudinal fracture of inhomogeneous beam structures. The model is a combination of an arbitrary number of parallel units. Each unit is obtained by two springs and a dashpot. Besides, a frictional slider is placed parallel with one of the springs in each unit of the model in order to treat the plastic strains. The time-dependent constitutive law of the model obtained by considering strains, stresses and equilibrium of the model components is used in deriving solution of the strain energy release rate for the longitudinal crack in the viscoplastic beam.

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Periodical:

Defect and Diffusion Forum (Volume 419)

Pages:

79-84

DOI:

https://doi.org/10.4028/p-mgilth

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Online since:

October 2022

Authors:

Victor Iliev Rizov*

Keywords:

Bending, Generalized Model, Inhomogeneous Beam Structure, Longitudinal Fracture, Rheology, Viscoplastic Behaviour

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