Implementing the New First and Second Differentiation of a General Yield Surface in Explicit and Implicit Rate-Independent Plasticity

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  • F Moayyedian1,
  • M Kadkhodayan*1,
  1. Mechanical Engineering Department, Ferdowsi University of Mashhad

Revised: 2014-04-18

Accepted: 2014-06-20

Published in Issue 2014-09-30

How to Cite

Moayyedian, F., & Kadkhodayan, M. (2014). Implementing the New First and Second Differentiation of a General Yield Surface in Explicit and Implicit Rate-Independent Plasticity. Journal of Solid Mechanics, 6(4), 310-321. https://oiccpress.com/jsm/article/view/12470

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Abstract

In the current research with novel first and second differentiations of a yield function, Euler forward along with Euler backward with its consistent elastic-plastic modulus are newly implemented in finite element program in rate-independent plasticity. An elastic-plastic internally pressurized thick walled cylinder is analyzed with four famous criteria including both pressure dependent and independent. The obtained results are in good agreement with experimental results. The consistent/continuum elastic-plastic moduli for Euler backward method are also investigated.
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