Some Critical Remarks on the Dugdale Strip Yield Model for the Crack Tip Plasticity (CROSBI ID 485257)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Pustaić, Dragan ; Štok, Boris
engleski
Some Critical Remarks on the Dugdale Strip Yield Model for the Crack Tip Plasticity
The mechanical response of an infinite thin plate with a central straight crack is considered in this paper. On the plate boundaries at infinity the biaxial normal in-plane tractions are applied, while the crack surface is loading free. It is assumed that the magnitude of the applied loads will cause the evolution of the plastic deformations in the neighbourhood of the crack tips. The plasticity aspect of fatigue crack growth will be of interest to this article. The generalised Dugdale-Barenblatt strip yield model is utilised for a description of the plastification process. In this paper two yield criteria are considered, the Tresca and the Mises, respectively. The analysis of the investigated mechanical response, which includes stresses, displacements, stress intensity factors, plastic zone magnitude, crack tip opening displacement, residual stress distribution etc., is carried out analytically using methods of the theory of analytical functions of a complex variable.
Crack Tip Plastcity; Elastic-Plastic Fracture Mechanics Parameters; Dugdale Strip Yield Model
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Podaci o prilogu
889-894-x.
1998.
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objavljeno
Podaci o matičnoj publikaciji
ECF 12 Fracture from Defects
Brown, M.W. ; de los Rios, E.R. ; Miller, K.J.
Sheffield: Engineering Materials Advisory Services Ltd.
Podaci o skupu
The 12th Bienniel Conference on Fracture ECF 12 Fracture from Defects
predavanje
14.09.1998-18.09.1998
Sheffield, Ujedinjeno Kraljevstvo