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Numerical modeling of large elastoplastic strains in terms of principal stretches. II. Physical relations, calculation algorithm

  • Structural Mechanics and Strength of Flight Vehicles
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Abstract

The constitutive relations and plastic flow rule are derived from the thermodynamics equations. The known procedures of determining the plastic strain rate value are described. A calculation algorithm is presented that is based on the incremental loading, linearization of the virtual power equation and the projection method. A numerical example is presented.

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Authors and Affiliations

  1. Kazan (Privolzhskii) Federal University, Kazan, Russia

    A. I. Golovanov

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  1. A. I. Golovanov
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Original Russian Text © A.I. Golovanov, 2010, published in Izvestiya VUZ. Aviatsionnaya Tekhnika, 2010, No. 3, pp. 3–6.

Golovanov A.I., Numerical Modeling of Large Elastoplastic Strains in Terms of Principal Stretches. I. Kinematics of Elastoplastic Strains, Izv. Vuz. Av. Tekhnika. 2010, vol. 53, no. 2, pp. 30–33 [Russian Aeronautics (Engl.Transl.), vol 53, no. 2, pp. 161–166].

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Golovanov, A.I. Numerical modeling of large elastoplastic strains in terms of principal stretches. II. Physical relations, calculation algorithm. Russ. Aeronaut. 53, 243–249 (2010). https://doi.org/10.3103/S1068799810030013

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  • DOI: https://doi.org/10.3103/S1068799810030013

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