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Title: A return mapping algorithm for isotropic and anisotropic plasticity models using a line search method

Journal Article · · Computer Methods in Applied Mechanics and Engineering
 [1]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

The numerical integration of constitutive models in computational solid mechanics codes allows for the solution of boundary value problems involving complex material behavior. Metal plasticity models, in particular, have been instrumental in the development of these codes. Most plasticity models implemented in computational codes use an isotropic von Mises yield surface. The von Mises, or J2, model uses a predictor–corrector algorithm–the radial return algorithm–to integrate the model. For non-quadratic yield surfaces, including anisotropic yield surfaces, no simple algorithm exists. This paper presents and analyzes a line search algorithm for the return mapping problem that shows excellent improvement over a Newton–Raphson model. Two non-quadratic yield surfaces–one isotropic and one anisotropic–are studied in this paper. The line search algorithm used for integrating the models is shown to be reliable and robust. The theory and implementation of the models, the details of the return mapping algorithm, and results that show the effectiveness of the method are presented. Lastly, a few simple boundary value problems verify the implementation and show the impact of the models. For the internal pressurization of a cylinder, the importance of modeling anisotropy correctly is shown.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1323883
Alternate ID(s):
OSTI ID: 1339290; OSTI ID: 1340275; OSTI ID: 1413330
Report Number(s):
SAND-2016-4878J; SAND-2016-1575J; SAND-2016-11675J; 640676
Journal Information:
Computer Methods in Applied Mechanics and Engineering, Journal Name: Computer Methods in Applied Mechanics and Engineering; ISSN 0045-7825
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 37 works
Citation information provided by
Web of Science

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Cited By (4)

Implementation issues of Yld2000-2d model under larger biaxial yield stress journal January 2018
Sandia Fracture Challenge 3: detailing the Sandia Team Q failure prediction strategy journal July 2019
Generalized radial-return mapping algorithm for anisotropic von Mises plasticity framed in material eigenspace: Generalized radial-return mapping algorithm journal August 2018
Regularized Yield Surfaces for Crystal Plasticity of Metals journal November 2020

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