Fig. 1 Shear flow distribution in the R-th cell
Fig. 2 A Chordwise asymmetric model (3-cell)
Fig. 3 Symmetrical model for comparison
Fig. 4 Stiffness coefficients for CUS
Fig. 5 Stiffness coefficients for CAS
Fig. 6 Eigenfrequencies of 3-cell vs. 1-cell models for CUS
Fig. 7 Eigenfrequencies of 3-cell vs. 1-cell models for CAS
Fig. 8 Eigenfrequencies of asymmetric (variant) vs. symmetric (base) models for CUS
Fig. 9 Eigenfrequencies of asymmetric (variant) vs. symmetric (base) models for CAS
Fig. 10 Eigenfrequencies for CW and NCW cases for CUS
Fig. 11 Eigenfrequencies for CW and NCW cases for CAS
Fig. 12 Eigenfrequencies for taper ratio for CUS
Fig. 13 Eigenfrequencies for taper ratio for CAS
Fig. 14 Eigenfrequencies for thickness ratio for CUS
Fig. 15 Eigenfrequencies for thickness ratio for CAS
Table 1 Mass coefficients bj for CUS & CAS
Table 2 Stiffness coefficients aij for CUS
Table 3 Stiffness coefficients aij for CAS
References
- K-T Kim, "Dynamic Characteristics of Composite Thin-Walled Beams with a Chordwise Asymmetric Cross-Section: I. Single-Cell," Journal of Aerospace System Engineering, Vol. 12, No. 6, pp. 41-49, Dec. 2018. https://doi.org/10.20910/JASE.2018.12.6.41
- L. Librescu and O. Song, Thin-Walled Composite Beams: Theory and Application, Solid Mechanics and its Applications, Vol. 131, Springer, ISBN-101-4020-3457-1, 2006.
- O. Song, modeling and Response Analysis of Thin-Walled Beam Structures Constructed of Advanced Composite Materials, Ph.D. Thesis, Virginia Polytechnic Institute and State University, 1990.
- K-T Kim and O. Song, "Aileron Reversal of Nonuniform and Swept Composite Aircraft Wings," Journal of Aircraft, Vol. 50, No. 3, pp. 681-693, May-Jun. 2013. https://doi.org/10.2514/1.C031212
- K-T Kim, "A Study on the Correction of the Warping Functions of Composite Thin-Walled Beams with a Chordwise Asymmetric Closed Cross-Section," Journal of Aerospace System Engineering, Vol. 12, No. 4, pp. 9-17, Aug. 2018. https://doi.org/10.20910/JASE.2018.12.4.9