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A computational micro-sphere model applied to the simulation of phase-transformations

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Author

Summary, in English

We present an efficient model for the simulation of polycrystalline materials undergoing solid to solid phase transformations. As a basis, we use a one-dimensional, thermodynamically consistent phase-transformation model. This model is embedded into a micro-sphere formulation in order to simulate three-dimensional boundary value problems. To solve the underlying evolution equations, we use a newly developed explicit integration scheme which could be proved to be unconditionally A-stable. Besides the investigation of homogeneous deformation states, representative finite element examples are discussed. It is shown that the model nicely reflects the overall behaviour. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Department/s

Publishing year

2010

Language

English

Pages

605-622

Publication/Series

Zeitschrift für Angewandte Mathematik und Mechanik

Volume

90

Issue

7-8

Document type

Journal article

Publisher

John Wiley & Sons Inc.

Topic

  • Mechanical Engineering

Keywords

  • Phase-transformations
  • micro-sphere model
  • finite element method

Status

Published

ISBN/ISSN/Other

  • ISSN: 0044-2267