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TECHNICAL PAPERS

Inability of Free-Interface Modes in Representing Stress Resultants Near the Free Interface

[+] Author and Article Information
Yoon Young Kim

School of Mechanical and Aerospace Engineering and Institute of Advanced Machinery Design, Seoul National University, Kwanak-Gu, Shinlim-Dong San 56-1 Seoul 151-742, Korea

Jeong Hoon Kang

Samsung Electronics Co., LTD, Paldal-Gu, Maetan-3 Dong 416 Suwon 442-742, Korea

J. Vib. Acoust 122(4), 409-411 (May 01, 2000) (3 pages) doi:10.1115/1.1309540 History: Received August 01, 1998; Revised May 01, 2000
Copyright © 2000 by ASME
Topics: Stress , Plasticity
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References

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Craig,  R. R., and Bampton,  M. C. C., 1968, “Coupling of substructures for dynamic analyses,” AIAA J., 6, No. 7, pp. 1313–1319.
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Chang, C. J., 1977, A General Procedure for Substructure Coupling in Dynamic Analysis, Ph.D. Dissertation, The University of Texas at Austin, Texas, Austin.
Gu,  K., and Tongue,  B. H., 1987, “A method to improve the model convergence for structures with external forcing,” ASME J. Appl. Mech., 54, pp. 904–909.
Meirovitch,  L., and Kwak,  M. K., 1991, “Rayleigh-Ritz based substructure synthesis for flexible multibody systems,” AIAA J., 29, pp. 1709–1719.
Suarez,  L. E., and Matheu,  E. E., 1992, “A modal synthesis technique based on the force derivative method,” ASME J. Vibr. Acoust., 114, pp. 209–216.
Benfield,  W. A., and Hruda,  R. F., 1971, “Vibration analysis of structures by component mode substitution,” AIAA J., 9, No. 7, pp. 1255–1261.
Jezequel,  L., 1980, “A method of damping synthesis from substructure tests,” ASME J. Mech. Des., 102, pp. 286–294.
Craig, R. R., Jr., 1981, Structural Dynamics-An Introduction to Computer Methods, Wiley, New York.
Kim, Y. Y., and Kang, J. H., 1998, “Hypothetically Extended Substructure Method for Component Mode Synthesis,” Proceedings of 16th IMAC, pp. 1139–1143.

Figures

Grahic Jump Location
A bar with one end fixed and the other end loaded by force fj
Grahic Jump Location
(a) The longitudinal displacement U(x) and (b) the axial stress resultant F(x) of the bar shown in Fig. 1 excited at ω=π/4. The results are obtained with different numbers of normal modes.
Grahic Jump Location
A hypothetically extended bar from its original length L to Lh
Grahic Jump Location
The results obtained by means of hypothetically extended normal modes for (a) the longitudinal displacement and (b) the axial stress resultant of the same bar used for the results in Fig. 2

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