Experiments are presented which demonstrate the statistical nature of the buckling of thin strips under very high axial compression. Probability distributions of wavelengths determined theoretically from assumed “white-noise” perturbations in initial shape are compared favorably with the experimental distributions. In other experiments, a new optical-lever method of recording lateral motions is used to observe bending waves and buckling in an impacted strip. From these and experiments on large-strain buckling of rubber strips it is concluded that effects of axial-wave propagation do not significantly influence the wavelengths at which the buckles form.
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Impact Buckling of a Thin Bar
H. E. Lindberg
Poulter Laboratories, Stanford Research Institute, Menlo Park, Calif.
Lindberg, H. E. (June 1, 1965). "Impact Buckling of a Thin Bar." ASME. J. Appl. Mech. June 1965; 32(2): 315–322. https://doi.org/10.1115/1.3625801
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