Journal of Applied Mathematics

  • J. Appl. Math.
  • Volume 2014, Special Issue (2014), Article ID 486171, 11 pages.

Implicit Damping Iterative Algorithm to Solve Elastoplastic Static and Dynamic Equations

Huaifa Ma, Jikai Zhou, and Guoping Liang

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Abstract

This paper presents an implicit damping iterative algorithm to simultaneously solve equilibrium equations, yield function, and plastic flow equations, without requiring an explicit expression of elastoplastic stiffness matrices and local iteration for “return mapping” stresses to the yield surface. In addition, a damping factor is introduced to improve the stiffness matrix conformation in the nonlinear iterative process. The incremental iterative scheme and whole amount iterative scheme are derived to solve the dynamical and static and dynamical elastoplastic problems. To validate the proposed algorithms, computation procedures are designed and the numerical tests are implemented. The computational results verify the correctness and reliability of the proposed implicit iteration algorithms.

Article information

Source
J. Appl. Math., Volume 2014, Special Issue (2014), Article ID 486171, 11 pages.

Dates
First available in Project Euclid: 27 February 2015

Permanent link to this document
https://projecteuclid.org/euclid.jam/1425050617

Digital Object Identifier
doi:10.1155/2014/486171

Mathematical Reviews number (MathSciNet)
MR3259208

Citation

Ma, Huaifa; Zhou, Jikai; Liang, Guoping. Implicit Damping Iterative Algorithm to Solve Elastoplastic Static and Dynamic Equations. J. Appl. Math. 2014, Special Issue (2014), Article ID 486171, 11 pages. doi:10.1155/2014/486171. https://projecteuclid.org/euclid.jam/1425050617


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