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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.2
- 수록면
- 79 - 86 (8page)
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The purpose of this study is to determine the proper fillet weld size for the stiffeners on hull bottom plate of crude oil tanker. To achieve it, the effective notch stress and hot spot stress of the fillet weld with leg length specified in the rule were evaluated by using comprehensive FE analyses. Based on the results, the fatigue damages at each location of weld were calculated. Meanwhile the transitional behavior of initial welding distortion in the hull bottom plate under the design conditions was investigated by using a non-linear FEA. Welding distortion and residual stress introduced during fabrication process were considered as initial imperfections. According to FE analysis results, if the fillet leg length satisfies the design criteria of the classification society, the concern on the root failure at the fillet welds in the bottom hull plate during the design life can be negligible. In addition, considering the transitional behavior of the distortion during the service life, the fillet leg length should be minimized.
목차
Abstract
1. 서론
2. Fatigue Damage
3. 용접 변형 천이 거동 특성
4. 결론
Reference
참고문헌 (10)
참고문헌 신청
1. [학술지(정기간행물)] - 이용복 / 2010 / 십자형 필릿 용접부에서 재료 두께 및 용접 층수에 따른 피로파괴 특성 / 대한용접접합학회지 28 (6) : 45 ~ 50
2. [단행본] - Masubuchi. K / 1980 / Analysis of welded structure / Pergamon Press
3. [기타자료] - DNV Rules for Classification of Ships / 2012 / Common structural rules for double hull oil tankers with length 150metres and above
4. [기타자료] - Hobbacher, A / 2003 / Recommendation for Fatigue Design of Welded Joint and Components
5. [학술지(정기간행물)] - Baumgartner, J / 2013 / An efficient meshing approach for the calculation of notch stresses / Welding in the World 57 : 137 ~ 145
2. [단행본] - Masubuchi. K / 1980 / Analysis of welded structure / Pergamon Press
3. [기타자료] - DNV Rules for Classification of Ships / 2012 / Common structural rules for double hull oil tankers with length 150metres and above
4. [기타자료] - Hobbacher, A / 2003 / Recommendation for Fatigue Design of Welded Joint and Components
5. [학술지(정기간행물)] - Baumgartner, J / 2013 / An efficient meshing approach for the calculation of notch stresses / Welding in the World 57 : 137 ~ 145
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