Abstract
This paper presents simplified J-estimation equations for defective homogeneous and strength mismatched structures, based on the Engineering Treatment Model (ETM). For homogeneous structures, two modifications are made to the existing ETM J-estimation equations; firstly a modification of the contained yielding solutions, and secondly modification of J-estimation equations for materials exhibiting Lueders strain. Based on the proposed J-estimation equations for homogeneous structures, J-estimation equations for welded structures with strength mismatch are proposed. The proposed J-estimation equations for both homogeneous and mismatched structures are then compared with selected elastic-plastic finite element results. The comparisons show excellent agreement and so provide confidence in the use of the proposed J-estimation equations for defect assessment. Finally, comparison with another simplified method, the R6 method, is discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 9-27 |
| Number of pages | 19 |
| Journal | Engineering Fracture Mechanics |
| Volume | 68 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 2001 Jan 1 |
| Externally published | Yes |
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ASJC Scopus subject areas
- Mechanical Engineering
- Mechanics of Materials
Cite this
Simplified J-estimations based on the Engineering Treatment Model for homogeneous and mismatched structures. / Kim, Yun-Jae; Schwalbe, K. H.; Ainsworth, R. A.
In: Engineering Fracture Mechanics, Vol. 68, No. 1, 01.01.2001, p. 9-27.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Simplified J-estimations based on the Engineering Treatment Model for homogeneous and mismatched structures
AU - Kim, Yun-Jae
AU - Schwalbe, K. H.
AU - Ainsworth, R. A.
PY - 2001/1/1
Y1 - 2001/1/1
N2 - This paper presents simplified J-estimation equations for defective homogeneous and strength mismatched structures, based on the Engineering Treatment Model (ETM). For homogeneous structures, two modifications are made to the existing ETM J-estimation equations; firstly a modification of the contained yielding solutions, and secondly modification of J-estimation equations for materials exhibiting Lueders strain. Based on the proposed J-estimation equations for homogeneous structures, J-estimation equations for welded structures with strength mismatch are proposed. The proposed J-estimation equations for both homogeneous and mismatched structures are then compared with selected elastic-plastic finite element results. The comparisons show excellent agreement and so provide confidence in the use of the proposed J-estimation equations for defect assessment. Finally, comparison with another simplified method, the R6 method, is discussed.
AB - This paper presents simplified J-estimation equations for defective homogeneous and strength mismatched structures, based on the Engineering Treatment Model (ETM). For homogeneous structures, two modifications are made to the existing ETM J-estimation equations; firstly a modification of the contained yielding solutions, and secondly modification of J-estimation equations for materials exhibiting Lueders strain. Based on the proposed J-estimation equations for homogeneous structures, J-estimation equations for welded structures with strength mismatch are proposed. The proposed J-estimation equations for both homogeneous and mismatched structures are then compared with selected elastic-plastic finite element results. The comparisons show excellent agreement and so provide confidence in the use of the proposed J-estimation equations for defect assessment. Finally, comparison with another simplified method, the R6 method, is discussed.
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UR - http://www.scopus.com/inward/citedby.url?scp=0035194547&partnerID=8YFLogxK
U2 - 10.1016/S0013-7944(00)00081-3
DO - 10.1016/S0013-7944(00)00081-3
M3 - Article
VL - 68
SP - 9
EP - 27
JO - Engineering Fracture Mechanics
JF - Engineering Fracture Mechanics
SN - 0013-7944
IS - 1
ER -