Shakedown and creep rupture assessment of a header branch pipe using the Linear Matching Method

G.D. Jackson, H.F. Chen, D. Tipping

Research output: Contribution to journalConference Contribution

2 Citations (Scopus)

Abstract

Many power plant components are subject to combined mechanical and thermal loading conditions during their operating lifetime. It is important that potential failure mechanisms of such components are extensively investigated in order to ensure sufficient confidence in their reliability. This paper presents shakedown and creep rupture analyses of a header branch pipe subjected to cyclic thermo-mechanical loading performed using the Linear Matching Method (LMM). The detailed investigation of failure mechanisms under the combined action of the internal pressure and the cyclic thermal load due to the temperature difference between the inner and outer pipe surfaces will be the primary focus of this paper. The header branch pipe considered here is composed of a single material with properties that are dependent upon both temperature and rupture life. A novel study investigating the effect that two geometric parameters – branch diameter and separation – have upon the failure mechanisms of the header branch pipe has also been carried out. The impact that these geometric parameters have upon the limit load, shakedown and creep rupture limits is one of the principal areas that is investigated in this work. In addition to this, an understanding of the dependency of the creep rupture limit upon the defined time to creep rupture is also studied. Verification of these results is then given by full elastic-plastic analyses performed within ABAQUS.
LanguageEnglish
Pages1705-1718
Number of pages14
JournalProcedia Engineering
Volume130
DOIs
Publication statusPublished - 22 Dec 2015
Event14th international conference on pressure vessel technology - Shanghai, China
Duration: 23 Sep 201526 Sep 2015

Fingerprint

Creep
Pipe
ABAQUS
Load limits
Thermal load
Power plants
Plastics
Temperature

Keywords

  • creep rupture
  • shakedown
  • cyclic plasticity
  • linear matching method (LMM)

Cite this

@article{fe2fb56b63c44d749804243a91eb2c4f,
title = "Shakedown and creep rupture assessment of a header branch pipe using the Linear Matching Method",
abstract = "Many power plant components are subject to combined mechanical and thermal loading conditions during their operating lifetime. It is important that potential failure mechanisms of such components are extensively investigated in order to ensure sufficient confidence in their reliability. This paper presents shakedown and creep rupture analyses of a header branch pipe subjected to cyclic thermo-mechanical loading performed using the Linear Matching Method (LMM). The detailed investigation of failure mechanisms under the combined action of the internal pressure and the cyclic thermal load due to the temperature difference between the inner and outer pipe surfaces will be the primary focus of this paper. The header branch pipe considered here is composed of a single material with properties that are dependent upon both temperature and rupture life. A novel study investigating the effect that two geometric parameters – branch diameter and separation – have upon the failure mechanisms of the header branch pipe has also been carried out. The impact that these geometric parameters have upon the limit load, shakedown and creep rupture limits is one of the principal areas that is investigated in this work. In addition to this, an understanding of the dependency of the creep rupture limit upon the defined time to creep rupture is also studied. Verification of these results is then given by full elastic-plastic analyses performed within ABAQUS.",
keywords = "creep rupture, shakedown, cyclic plasticity, linear matching method (LMM)",
author = "G.D. Jackson and H.F. Chen and D. Tipping",
year = "2015",
month = "12",
day = "22",
doi = "10.1016/j.proeng.2015.12.196",
language = "English",
volume = "130",
pages = "1705--1718",
journal = "Procedia Engineering",
issn = "1877-7058",

}

Shakedown and creep rupture assessment of a header branch pipe using the Linear Matching Method. / Jackson, G.D.; Chen, H.F.; Tipping, D.

In: Procedia Engineering, Vol. 130, 22.12.2015, p. 1705-1718.

Research output: Contribution to journalConference Contribution

TY - JOUR

T1 - Shakedown and creep rupture assessment of a header branch pipe using the Linear Matching Method

AU - Jackson, G.D.

AU - Chen, H.F.

AU - Tipping, D.

PY - 2015/12/22

Y1 - 2015/12/22

N2 - Many power plant components are subject to combined mechanical and thermal loading conditions during their operating lifetime. It is important that potential failure mechanisms of such components are extensively investigated in order to ensure sufficient confidence in their reliability. This paper presents shakedown and creep rupture analyses of a header branch pipe subjected to cyclic thermo-mechanical loading performed using the Linear Matching Method (LMM). The detailed investigation of failure mechanisms under the combined action of the internal pressure and the cyclic thermal load due to the temperature difference between the inner and outer pipe surfaces will be the primary focus of this paper. The header branch pipe considered here is composed of a single material with properties that are dependent upon both temperature and rupture life. A novel study investigating the effect that two geometric parameters – branch diameter and separation – have upon the failure mechanisms of the header branch pipe has also been carried out. The impact that these geometric parameters have upon the limit load, shakedown and creep rupture limits is one of the principal areas that is investigated in this work. In addition to this, an understanding of the dependency of the creep rupture limit upon the defined time to creep rupture is also studied. Verification of these results is then given by full elastic-plastic analyses performed within ABAQUS.

AB - Many power plant components are subject to combined mechanical and thermal loading conditions during their operating lifetime. It is important that potential failure mechanisms of such components are extensively investigated in order to ensure sufficient confidence in their reliability. This paper presents shakedown and creep rupture analyses of a header branch pipe subjected to cyclic thermo-mechanical loading performed using the Linear Matching Method (LMM). The detailed investigation of failure mechanisms under the combined action of the internal pressure and the cyclic thermal load due to the temperature difference between the inner and outer pipe surfaces will be the primary focus of this paper. The header branch pipe considered here is composed of a single material with properties that are dependent upon both temperature and rupture life. A novel study investigating the effect that two geometric parameters – branch diameter and separation – have upon the failure mechanisms of the header branch pipe has also been carried out. The impact that these geometric parameters have upon the limit load, shakedown and creep rupture limits is one of the principal areas that is investigated in this work. In addition to this, an understanding of the dependency of the creep rupture limit upon the defined time to creep rupture is also studied. Verification of these results is then given by full elastic-plastic analyses performed within ABAQUS.

KW - creep rupture

KW - shakedown

KW - cyclic plasticity

KW - linear matching method (LMM)

UR - http://www.sciencedirect.com/science/article/pii/S1877705815040801

U2 - 10.1016/j.proeng.2015.12.196

DO - 10.1016/j.proeng.2015.12.196

M3 - Conference Contribution

VL - 130

SP - 1705

EP - 1718

JO - Procedia Engineering

T2 - Procedia Engineering

JF - Procedia Engineering

SN - 1877-7058

ER -