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Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences, 2009, Issue 2(19), Pages 243–247
DOI: https://doi.org/10.14498/vsgtu711
(Mi vsgtu711)
 

Short Communication
Mechanics of Solids

Creep process simulation considering pre-destruction stage and model identification

K. A. Agakhi, Yu. G. Basalov, V. N. Kuznetsov, L. V. Fomin

Laboratory of Durability and Creep at Heats, Research Institute of Mechanics, M. V. Lomonosov Moscow State University, Moscow (published under the terms of the Creative Commons Attribution 4.0 International License)
References:
Abstract: It was suggested to define Rabotnov's function (damage function) from the differential equation of the first order for simulation of a pre-destruction stage in creep process. In this paper, the damage function is for the first time determined directly from a series of creep tests, independently of the formulated differential equation which, generally speaking, does not concord with the experimental data. A non-linear model of the creep process is suggested taking into consideration the rate increase stage, using an integral operator as Lebega's norm, and containing a damage function determined experimentally.
Keywords: creep, damage function, modeling, experiment, identification, generalized model, integral operator, norm of Lebeg.
Original article submitted 20/VII/2009
revision submitted – 09/IX/2009
Bibliographic databases:
Document Type: Article
UDC: 539.376
MSC: 74C05
Language: Russian
Citation: K. A. Agakhi, Yu. G. Basalov, V. N. Kuznetsov, L. V. Fomin, “Creep process simulation considering pre-destruction stage and model identification”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 2(19) (2009), 243–247
Citation in format AMSBIB
\Bibitem{AgaBasKuz09}
\by K.~A.~Agakhi, Yu.~G.~Basalov, V.~N.~Kuznetsov, L.~V.~Fomin
\paper Creep process simulation considering pre-destruction stage and model identification
\jour Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.]
\yr 2009
\vol 2(19)
\pages 243--247
\mathnet{http://mi.mathnet.ru/vsgtu711}
\crossref{https://doi.org/10.14498/vsgtu711}
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