The aim of this study was to analyze the ultimate strength of stiffened aluminum panels by the nonlinear finite element method. A new type of stiffened aluminum alloy panel has been designed, which has fixed longitudinal and alternating floating transverse frames. Based on material tensile tests, the material properties of the aluminum alloy were obtained. Then, the simulation method of welding residual stresses and the effect of heat-affected zone (HAZ) are investigated. The finite element analysis (FEA) software abaqus V6.11 is used to estimate the ultimate strength of these stiffened panels under axial compression. The results show that: (1) the mechanical imperfections have significant effect on the ultimate strength of stiffened panels; (2) residual stresses may have positive effect on the ultimate strength; and (3) the new stiffened panels also have good performance on ultimate bearing capacities.
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August 2017
Research-Article
Finite Element Analysis of the Ultimate Strength of Aluminum-Stiffened Panels With Fixed and Floating Transverse Frames
Chenfeng Li,
Chenfeng Li
College of Shipbuilding Engineering,
Harbin Engineering University,
Harbin 150001, Heilongjiang, China;
Harbin Engineering University,
Harbin 150001, Heilongjiang, China;
Centre for Marine Technology and Ocean
Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Avenue Rovisco Pais,
Lisboa 1049-001, Portugal
e-mail: lichenfeng@hrbeu.edu.cn
Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Avenue Rovisco Pais,
Lisboa 1049-001, Portugal
e-mail: lichenfeng@hrbeu.edu.cn
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Zhiyao Zhu,
Zhiyao Zhu
College of Shipbuilding Engineering,
Harbin Engineering University,
Harbin 150001, Heilongjiang, China
e-mail: zhuzhiyao@hrbeu.edu.cn
Harbin Engineering University,
Harbin 150001, Heilongjiang, China
e-mail: zhuzhiyao@hrbeu.edu.cn
Search for other works by this author on:
Huilong Ren,
Huilong Ren
College of Shipbuilding Engineering,
Harbin Engineering University,
Harbin 150001, Heilongjiang, China
e-mail: renhuilong@263.net
Harbin Engineering University,
Harbin 150001, Heilongjiang, China
e-mail: renhuilong@263.net
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C. Guedes Soares
C. Guedes Soares
Fellow ASME
Centre for Marine Technology and Ocean
Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Avenue Rovisco Pais,
Lisboa 1049-001, Portugal
e-mail: c.guedes.soares@centec.tecnico.ulisboa.pt
Centre for Marine Technology and Ocean
Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Avenue Rovisco Pais,
Lisboa 1049-001, Portugal
e-mail: c.guedes.soares@centec.tecnico.ulisboa.pt
Search for other works by this author on:
Chenfeng Li
College of Shipbuilding Engineering,
Harbin Engineering University,
Harbin 150001, Heilongjiang, China;
Harbin Engineering University,
Harbin 150001, Heilongjiang, China;
Centre for Marine Technology and Ocean
Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Avenue Rovisco Pais,
Lisboa 1049-001, Portugal
e-mail: lichenfeng@hrbeu.edu.cn
Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Avenue Rovisco Pais,
Lisboa 1049-001, Portugal
e-mail: lichenfeng@hrbeu.edu.cn
Zhiyao Zhu
College of Shipbuilding Engineering,
Harbin Engineering University,
Harbin 150001, Heilongjiang, China
e-mail: zhuzhiyao@hrbeu.edu.cn
Harbin Engineering University,
Harbin 150001, Heilongjiang, China
e-mail: zhuzhiyao@hrbeu.edu.cn
Huilong Ren
College of Shipbuilding Engineering,
Harbin Engineering University,
Harbin 150001, Heilongjiang, China
e-mail: renhuilong@263.net
Harbin Engineering University,
Harbin 150001, Heilongjiang, China
e-mail: renhuilong@263.net
C. Guedes Soares
Fellow ASME
Centre for Marine Technology and Ocean
Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Avenue Rovisco Pais,
Lisboa 1049-001, Portugal
e-mail: c.guedes.soares@centec.tecnico.ulisboa.pt
Centre for Marine Technology and Ocean
Engineering (CENTEC),
Instituto Superior Técnico,
Universidade de Lisboa,
Avenue Rovisco Pais,
Lisboa 1049-001, Portugal
e-mail: c.guedes.soares@centec.tecnico.ulisboa.pt
1Corresponding author.
Contributed by the Ocean, Offshore, and Arctic Engineering Division of ASME for publication in the JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. Manuscript received July 18, 2015; final manuscript received February 10, 2017; published online May 5, 2017. Assoc. Editor: Solomon Yim.
J. Offshore Mech. Arct. Eng. Aug 2017, 139(4): 041401 (10 pages)
Published Online: May 5, 2017
Article history
Received:
July 18, 2015
Revised:
February 10, 2017
Citation
Li, C., Zhu, Z., Ren, H., and Guedes Soares, C. (May 5, 2017). "Finite Element Analysis of the Ultimate Strength of Aluminum-Stiffened Panels With Fixed and Floating Transverse Frames." ASME. J. Offshore Mech. Arct. Eng. August 2017; 139(4): 041401. https://doi.org/10.1115/1.4036111
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