Large strain fixed-end torsion of circular solid rubber bars is studiedsemi-analytically. The analyses are based on various non-Gaussian network models forrubber elasticity, some of which were proposed very recently. Results are presentedin terms of predicted torque vs. twist curves and axial force vs. twist curves. Insome cases, the predicted stress distributions are also given. The sensitivity of thesecond-order axial force to the employed models is considered. The predicted resultsare compared with experimental results found in the literature.
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