Ductile tearing simulation of Battelle pipe test using simplified stress-modified fracture strain concept

H. W. Ryu; K. D. Bae; Y. J. Kim; J. J. Han; J. S. Kim; P. J. Budden

doi:10.1111/ffe.12456

Ductile tearing simulation of Battelle pipe test using simplified stress-modified fracture strain concept

H. W. Ryu, K. D. Bae, Y. J. Kim, J. J. Han, J. S. Kim, P. J. Budden

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

In this paper, numerical ductile tearing simulation results are compared with six circumferential through-wall and surface cracked pipes made of two materials (SA-333 Gr. 6 and A106 Gr. B carbon steels), performed at Battelle. For simulation, a model using a simplified fracture strain model is employed, by analysing tensile data of the material. By comparing experimental J-R data with FE simulation results, the damage model dependent on the element size is determined based on the ductility exhaustion concept. The model is used to simulate ductile tearing behaviour of six circumferential through-wall and surface cracked pipes. In all cases, simulated results agree well with experimental load, crack length and crack mouth opening displacement versus load line displacement data.

Original language	English
Pages (from-to)	1391-1406
Number of pages	16
Journal	Fatigue and Fracture of Engineering Materials and Structures
Volume	39
Issue number	11
DOIs	https://doi.org/10.1111/ffe.12456
Publication status	Published - 2016 Nov 1
Externally published	Yes

Keywords

circumferential cracked pipe test simulation
finite element damage analysis
stress-modified fracture strain

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1111/ffe.12456

Cite this

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title = "Ductile tearing simulation of Battelle pipe test using simplified stress-modified fracture strain concept",

abstract = "In this paper, numerical ductile tearing simulation results are compared with six circumferential through-wall and surface cracked pipes made of two materials (SA-333 Gr. 6 and A106 Gr. B carbon steels), performed at Battelle. For simulation, a model using a simplified fracture strain model is employed, by analysing tensile data of the material. By comparing experimental J-R data with FE simulation results, the damage model dependent on the element size is determined based on the ductility exhaustion concept. The model is used to simulate ductile tearing behaviour of six circumferential through-wall and surface cracked pipes. In all cases, simulated results agree well with experimental load, crack length and crack mouth opening displacement versus load line displacement data.",

keywords = "circumferential cracked pipe test simulation, finite element damage analysis, stress-modified fracture strain",

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AU - Ryu, H. W.

AU - Bae, K. D.

AU - Kim, Y. J.

AU - Han, J. J.

AU - Kim, J. S.

AU - Budden, P. J.

PY - 2016/11/1

Y1 - 2016/11/1

N2 - In this paper, numerical ductile tearing simulation results are compared with six circumferential through-wall and surface cracked pipes made of two materials (SA-333 Gr. 6 and A106 Gr. B carbon steels), performed at Battelle. For simulation, a model using a simplified fracture strain model is employed, by analysing tensile data of the material. By comparing experimental J-R data with FE simulation results, the damage model dependent on the element size is determined based on the ductility exhaustion concept. The model is used to simulate ductile tearing behaviour of six circumferential through-wall and surface cracked pipes. In all cases, simulated results agree well with experimental load, crack length and crack mouth opening displacement versus load line displacement data.

AB - In this paper, numerical ductile tearing simulation results are compared with six circumferential through-wall and surface cracked pipes made of two materials (SA-333 Gr. 6 and A106 Gr. B carbon steels), performed at Battelle. For simulation, a model using a simplified fracture strain model is employed, by analysing tensile data of the material. By comparing experimental J-R data with FE simulation results, the damage model dependent on the element size is determined based on the ductility exhaustion concept. The model is used to simulate ductile tearing behaviour of six circumferential through-wall and surface cracked pipes. In all cases, simulated results agree well with experimental load, crack length and crack mouth opening displacement versus load line displacement data.

KW - circumferential cracked pipe test simulation

KW - finite element damage analysis

KW - stress-modified fracture strain

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Ductile tearing simulation of Battelle pipe test using simplified stress-modified fracture strain concept

Abstract

Keywords

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