Kapak Resmi

Ultimate Compressive Strength of Stiffened Panel: An Empirical Formulation for Flat-Bar Type

Kaydedildi:
Yayımlandı:Journal of Marine Science and Engineering vol. 8, no. 8 (2020), p. 605
Yazar: Kim, Do Kyun
Diğer Yazarlar: Su Young Yu, Lim, Hui Ling, Cho, Nak-Kyun
Baskı/Yayın Bilgisi:
MDPI AG
Konular:
Finite element method
Mathematical analysis
Compressive strength
Performance prediction
Fluid-structure interaction
Data processing
Researchers
Numerical analysis
Simulation
Shipbuilding
Empirical analysis
Statistical analysis
Computer simulation
Stiffeners
Ultimate tensile strength
Yield stress
Compression
Methods
Finite element analysis
Computer aided design > CAD
Mathematical models
Statistical methods
Environmental
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Özet:This research aims to study the ultimate limit state (ULS) behaviour of stiffened panel under longitudinal compression by a non-linear finite element method (NLFEM). There are different types of stiffeners mainly being used in shipbuilding, i.e., T-bar, flat-bar, and angle-bar. However, this research focuses on the ultimate compressive strength behaviour of flat-bar stiffened panel. A total of 420 reliable scenarios of flat-bar stiffened panel were selected for numerical simulation by the ANSYS NLFEM. The ultimate strength behaviours obtained were used as data for the development of closed form shape empirical formulation. Recently, our group proposed an advanced empirical formulation for T-bar stiffened panel, and the applicability of the proposed formulation to flat-bar stiffened panel is confirmed by this study. The accuracy of the empirical formulation obtained for flat-bar stiffened panel was validated by finite element (FE) simulation results of statistical analysis (R2 = 0.9435). The outcome obtained will be useful for ship structural designers in predicting the ultimate strength performance of flat-bar type stiffened panel under longitudinal compression.
ISSN:2077-1312
DOI:10.3390/jmse8080605
Kaynak:Engineering Database