Abstract: For the analysis of bending of a thin rod made of fiber composite, the generalized Euler elastic equation is used, taking into account different resistance of the material to tension and compression, the influence of transverse shear, elongation of the axis and independent rotations of the reinforcing elements relative to the matrix. Based on Newton's method, a computational algorithm has been developed for solving the static bending problem. A method for determining phenomenological parameters of the composite has been implemented, including photographing the bending state of the rod under the action of a system of forces andcouple forces, digitalprocessingof the photography and solving the inversecoefficientproblem. The method was validatedby comparing the results of computations with a laboratory physical experiment. It is shown that the moduli of elasticity in tension and compression of carbon fiber composite used in the experiment, essentially differ, and that the use of equal moduli in determining bending stiffness results in a significant error in the deflection calculations.

Cite: Annin B.D. , Sadovskii V.M. , Petrakov I.E. , Vlasov A.Y.
Strong Bending of a Beam from a Fibrous Composite, Differently Resistant to Tension and Compression
Journal of Siberian Federal University - Mathematics and Physics. 2019. V.12. N5. P.533-542. DOI: 10.17516/1997-1397-2019-12-5-533-542 WOS Scopus РИНЦ OpenAlex

Dates:

Submitted:

Mar 13, 2019

Identifiers:

Web of science:	WOS:000501589200001
Scopus:	2-s2.0-85074223460
Elibrary:	41123337
OpenAlex:	W2980167449

Citing:

DB	Citing
Scopus	5
OpenAlex	5
Elibrary	5
Web of science	3

Altmetrics: