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2 International Journal of Applied Mechanics and Engineering

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Integration of DNA and bionical engineering

Goncharenko V. V., Loboda P. I., Goncharenko M. V., Heilmaier M.

International Journal of Applied Mechanics and Engineering

2011

Vol. 16, no 2

359-369

A unified geometric version of a mechanical model of a single stretched and compressed double-stranded DNA is suggested. This version is comfortable for use by scaling for development of bionical engineering models of a wide class of highly innovative devices.

Non-linear elasticity of spiral springs

Goncharenko V. V., Goncharenko M. V., Malkin A. Y.

International Journal of Applied Mechanics and Engineering

2008

Vol. 13, no 2

373-381

Drawing of a cylindrical spiral spring with indexes in the range 50-100 at the high extension domain results in the non-linear behavior of a spring, the Young modulus of the material being constant. The equation describing the non-linear relationship between the drawing force and draw ratio was obtained and compared with experimental data. The origin of non-linearity is explained as the continuous transition from uncoiling of a spring to extension of its material.