Definitions
The theory of propagation of transient waves (surfaces of strong discontinuity) in thin-walled beams of open profiles with Cosserat-type microstructure is presented, resulting in the data comparable with those corresponding to transient wave propagation in the three-dimensional Cosserat continuum.
Backgrounds and Some Historical Remarks
It is well known that in order to generalize the Bernoulli-Euler beam model, Stephen Timoshenko in his Russian publication (Timoshenko, 1916), which is more known worldwide by its English publication (Timoshenko, 1921), introduced into consideration two independent functions, namely, the displacement of the center of gravity of the cross section and the rotation of the cross section with respect to the longitudinal central axis, i.e., he suggested to consider the angle of transverse shear as an independent variable. It was a starting point for...
References
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Rossikhin, Y.A., Shitikova, M.V. (2018). Transient Waves in Cosserat Beams: Ray Expansion Approach. In: Altenbach, H., Öchsner, A. (eds) Encyclopedia of Continuum Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-53605-6_103-1
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DOI: https://doi.org/10.1007/978-3-662-53605-6_103-1
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