Proposed extension of the SINTAP/FITNET thin wall option based on a simple method for reference load determination |
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| Authors: | U. Zerbst A. Pempe R.A. Ainsworth |
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| Affiliation: | a GKSS Research Centre, Institute for Materials Research, Materials Mechanics, D-21502 Geesthacht, Germany
b British Energy Generation Limited, Barnwood, Gloucester GL4 3RS, UK |
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| Abstract: | A “correct” limit or yield load is an essential element of flaw assessment procedures of the R6 or SINTAP/FITNET type. In this paper the authors propose a definition of this quantity which is based on the SINTAP option 3 failure assessment function. This “reference load” can be determined for any component geometry by finite element analysis. The method is applied to two kinds of thin walled structures (notched plates and curved stiffened panels) and the results demonstrate that the approach is a suitable extension of the existing thin wall module. |
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| Keywords: | CTOA, crack tip opening angle CTOD, crack tip opening displacement C(T), compact tension specimen FITNET, European fitness for service network M(T), middle cracked tension specimen R-curve, crack (extension) resistance curve R6, R6 routine of British energy SINTAP, structural integrity assessment procedure for European industry |
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