Browse > Article
http://dx.doi.org/10.1007/s13296-018-0141-8

Buckling Strength Increment of Curved Panels Due to Rotational Stiffness of Closed-Section Ribs Under Uniaxial Compression  

Andico, Arriane Nicole P. (Department of Civil Engineering, Hanbat National University)
Park, Yong-Myung (Department of Civil Engineering, Pusan National University)
Choi, Byung H. (Department of Civil Engineering, Hanbat National University)
Publication Information
International journal of steel structures / v.18, no.4, 2018 , pp. 1363-1372 More about this Journal
Abstract
Recently, there have been studies about the increasing effect on the local plate buckling strength of flat plates when longitudinally stiffened with closed-section ribs and an approximate solution to quantitatively estimate these effects were suggested for flat plates. Since there are few studies to utilize such increasing effect on curved panels and a proper design method is not proposed, thus, this study aims to numerically evaluate such effect due to the rotational stiffness of closed-section ribs on curved panels and to propose an approximate method for estimating the buckling strength. Three-dimensional finite element models were set up using a general structural analysis program ABAQUS and a series of parametric numerical analyses were conducted in order to examine the variation of buckling stresses along with the rotational stiffness of closed-section ribs. By using a methodology that combine the strength increment factor due to the restraining effect by closed-section ribs and the buckling coefficient of the panel curvature, the approximate solutions for the estimation of buckling strength were suggested. The validity of the proposed methods was verified through a comparative study with the numerical analysis results.
Keywords
Curved panels; Closed-section ribs; Buckling strength; Elastic restraint; Rotational stiffness; Longitudinal stiffener;
Citations & Related Records
연도 인용수 순위
  • Reference
1 ABAQUS. (2014). ABAQUS, in: Analysis user's manual. Pawtucket, RI:ABAQUS, Inc.
2 Choi, B. H. (2013). Evaluation of local buckling strength of stiffened plates under uni-axial compression due to closed-section rib stiff-ness. Journal of the Korean Academia-Industrial cooperation Society, 14(2), 949-954.   DOI
3 Choi, B. H., Andico, A. N., Kwak, J., & Lee, T. H. (2018). Buckling strength increment of longitudinally stiffened plates due to rotational stiffness of closed-section stiffeners under uniaxial compression. International Journal of Steel Structures.
4 Choi, B. H., & Choi, S. Y. (2012). Buckling behavior of longitudinally stiffened steel plates by U-shaped ribs. Journal of Korean Society of Hazard Mitigation, 12(1), 39-44.
5 Choi, B. H., & Kim, J. W. (2016). Local buckling characteristics according to the curvature of curved panels stiffened with u-ribs under in-plane compression. Journal of the Korean Society of Hazard Mitigation, 16(4), 1-6.
6 Redshaw, S. C. (1933). The elastic instability of a thin curved panel subjected to an axial thrust, its axial and circumferential edges being simply supported. Tech. Rep. British aeronautical research council , R&M-1565.
7 Choi, B. H., Kim, J. J., & Lee, T. H. (2015). Bending stiffness requirement for closed-section longitudinal stiffeners of isotropic material plates under uniaxial compression. ASCE Journal of Bridge Engineering, 20(7), 04014092.   DOI
8 Domb, M. M., & Leigh, B. R. (2001). Refined design curves for compressive buckling of curved panels using nonlinear finite element analysis. In 42nd AIAA/ASME/ASCE/AHS/ASC structures, structural dynamics and materials conference (pp. 449-57).
9 Qiao, P., & Shan, L. (2005). Explicit local buckling analysis and design of fiber-reinforced plastic composite structural shapes. Composite Structures, 70, 468-483.   DOI
10 Stowell, E. Z. (1943). Critical compressive stress for curved sheet supported along all edges and elastically restrained against rotation along the unloaded edges. National Advisory Committee for Aeronautics (pp. 99-109).
11 Tran, K. L., Davaine, L., Douthe, C., & Sab, K. (2012). Stability of curved panels under uniform axial compression. Journal of Constructional Steel Research, 69(1), 30-38.   DOI
12 Timoshenko, S. P., & Gere, J. M. (1961). Theory of elastic stability (2nd ed.). Mineola, NY: Dover Publications, Inc.