Contour integral calculations for generalised creep laws within ABAQUS

研究成果: Article

17 引用 (Scopus)

抄録

This paper reports time-dependent C(t)-integral calculations for generalised creep laws using the user subroutine CREEP within the general-purpose FE code, ABAQUS [ABAQUS Version 5.8. User's Manual (1999)]. The evaluation of the strain energy density rate function is emphasised. As examples, the external circumferential cracked cylinder subject to mechanical loading and combined mechanical and thermal loading was considered for two different generalised creep laws, the θ-projection creep law and a secondary-tertiary creep law. The resulting ABAQUS C(t)-integral results were then compared with the results from another FE code, BERSAFE [BERSAFE User's Guides (1990)], to check reliability of the ABAQUS calculations. Excellent agreement between these results provides confidence in the ABAQUS C(t)-integral calculation for generalised creep laws.

元の言語English
ページ(範囲)661-666
ページ数6
ジャーナルInternational Journal of Pressure Vessels and Piping
78
発行部数10
DOI
出版物ステータスPublished - 2001 12 27
外部発表Yes

Fingerprint

ABAQUS
Creep
Subroutines
Strain energy

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

これを引用

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abstract = "This paper reports time-dependent C(t)-integral calculations for generalised creep laws using the user subroutine CREEP within the general-purpose FE code, ABAQUS [ABAQUS Version 5.8. User's Manual (1999)]. The evaluation of the strain energy density rate function is emphasised. As examples, the external circumferential cracked cylinder subject to mechanical loading and combined mechanical and thermal loading was considered for two different generalised creep laws, the θ-projection creep law and a secondary-tertiary creep law. The resulting ABAQUS C(t)-integral results were then compared with the results from another FE code, BERSAFE [BERSAFE User's Guides (1990)], to check reliability of the ABAQUS calculations. Excellent agreement between these results provides confidence in the ABAQUS C(t)-integral calculation for generalised creep laws.",
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