Transient wave velocities in pre-stressed thin-walled beams of open profile with Cosserat-type micro-structure

In the present paper, a new wave theory of thin-walled beams of open profile with Cosserat-type micro-structure is suggested based on the approach proposed by Rossikhin and Shitikova [1] for pre-stressed spatially curved thin-walled beams of open profile. The aim of the authors is to create the theo...

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Bibliographic Details
Published in:Composites. Part B, Engineering Engineering, 2015-12, Vol.83, p.323-332
Main Authors: Rossikhin, Yury A., Shitikova, Marina V.
Format: Article
Language:English
Subjects:
A. Nano-structures
B. Elasticity
B. Microstructures
Beams (radiation)
C. Analytical modelling
Continuums
Curved
Discontinuity
Thin walled
Three dimensional
Wave propagation
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Summary:In the present paper, a new wave theory of thin-walled beams of open profile with Cosserat-type micro-structure is suggested based on the approach proposed by Rossikhin and Shitikova [1] for pre-stressed spatially curved thin-walled beams of open profile. The aim of the authors is to create the theory of propagation of transient waves (surfaces of strong discontinuity) in thin-walled beams of open profile, which should be quite different from Timoshenko-like theories, resulting in the data comparable with those corresponding to transient wave propagation in the three-dimensional Cosserat continuum.
ISSN:1359-8368
1879-1069
DOI:10.1016/j.compositesb.2015.07.007