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The development of computational FE system for creep damage analysis of weldment

Tan, Feng, Xu, Qiang, Lu, Zhongyu and Barrans, Simon (2013) The development of computational FE system for creep damage analysis of weldment. In: 6th International ‘HIDA’ Conference: Life/Defect Assessment & Failures in High Temperature Plant, 2nd-4th December 2013, Nagasaki, Japan.

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A Finite Element Analysis (FEA) system was designed for the analysis of creep deformation and damage evolution in weldment. This project essentially consists of three parts which involves 1) transfer programme development, 2) numerical integration subroutine development, and 3) validation of complete FEA system. Firstly, the development of a user-friendly pre- and post- processing transfer programme and its assembly with the numerical solver was reported; its primary development was published before. This part includes file format understanding, specific parameter adding, and transfer algorithm design. Secondly, a numerical integration subroutine which developed for specific creep constitutive equations was introduced. This part includes the numerical method selection, accuracy control in finite element method, and its validation. Thirdly, because this project has not finished yet, a demonstration how this system works was assumed in future work. For this part, a circumferentially notched bar with low Cr alloy material case was purposed to prove the capability of transfer programme and integration subroutine.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TJ Mechanical engineering and machinery
Schools: School of Computing and Engineering
School of Computing and Engineering > Centre for Precision Technologies > Engineering Control and Machine Performance Research Group
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Depositing User: Feng Tan
Date Deposited: 02 Oct 2014 12:18
Last Modified: 28 Aug 2021 18:54


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