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Fully two-dimensional discrete inverse eigenstrain analysis of residual stresses in a railway rail head

Abstract:

The aim of the present study was to introduce a new algorithm for reconstructing the eigenstrain fields in engineering components. A 2D discrete inverse eigenstrain study of residual stresses was carried out on a worn railhead sample. Its residual elastic strain distribution was obtained by neutron diffraction measurement in Stress-Spec, FRMII and used as the input for eigenstrain reconstruction. A new eigenstrain base function-tent was introduced to capture the fully two-dimensional variatio...

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Publisher copy:
10.1115/1.4003364

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author
Journal:
Journal of Applied Mechanics, Transactions ASME More from this journal
Volume:
78
Issue:
3
Publication date:
2011-01-01
DOI:
EISSN:
1528-9036
ISSN:
0021-8936
Language:
English
Keywords:
Pubs id:
pubs:302781
UUID:
uuid:b66028c3-3acc-4e89-b951-b980187ac339
Local pid:
pubs:302781
Source identifiers:
302781
Deposit date:
2013-11-17

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