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Application of smoothing spline approximations in problems on identification of creep parameters

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Conclusion

It is desirable to use approximated cubic splines to obtain reliable processing of experimental data on creep and for identification of creep parameters. The spline approximation makes it possible to allow for such characteristic features of creep as the three-stage nature of the process of deformation and the scattering of Theological properties of materials; it also makes it possible to computer the first and second derivatives for an arbitrary point in time to obtain the corresponding speed and acceleration of the creep process.

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Authors and Affiliations

  1. S. P. Timoshenko Institute of Mechanics, National Academy of Sciences of Ukraine, Kiev

    V. P. Golub, A. D. Pogrebnyak & I. B. Romanenko

Authors
  1. V. P. Golub
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  2. A. D. Pogrebnyak
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  3. I. B. Romanenko
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Translated from Prikladnaya Mekhanika, Vol. 33, No. 6, pp. 52–61, June, 1997.

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Golub, V.P., Pogrebnyak, A.D. & Romanenko, I.B. Application of smoothing spline approximations in problems on identification of creep parameters. Int Appl Mech 33, 477–484 (1997). https://doi.org/10.1007/BF02700657

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  • DOI: https://doi.org/10.1007/BF02700657

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