A computational study of a model of single-crystal strain-gradient viscoplasticity with an interactive hardening relation

Research output: Journal contributionsJournal articlesResearchpeer-review

Authors

The behavior of a model of single-crystal strain-gradient viscoplasticity is investigated. The model is an extension of a rate-independent version, and includes a new hardening relation that has recently been proposed in the small-deformation context (Gurtin and Reddy, 2014), and which accounts for slip-system interactions due to self and latent hardening. Energetic and dissipative effects, each with its corresponding length scale, are included. Numerical results are presented for a single crystal with single and multiple slip systems, as well as an ensemble of grains. These results provide a clear illustration of the effects of accounting for slip-system interactions.

Original languageEnglish
JournalInternational Journal of Solids and Structures
Volume51
Issue number15-16
Pages (from-to)2754-2764
Number of pages11
ISSN0020-7683
DOIs
Publication statusPublished - 01.08.2014
Externally publishedYes

Bibliographical note

Funding Information:
B.D.R. was supported through the South African Research Chair in Computational Mechanics by the Department of Science and Technology and the National Research Foundation. This support is gratefully acknowledged.

Funding Information:
Part of this research was done while S.B. visited the Centre for Research in Computational and Applied Mechanics, University of Cape Town, whose hospitality is gratefully acknowledged. S.B. was supported by the German Science Foundation (DFG), contract PAK 250 (BA 3951/2), which is gratefully acknowledged.

Recently viewed

Publications

  1. Predicting the Difficulty of Exercise Items for Dynamic Difficulty Adaptation in Adaptive Language Tutoring
  2. Lyapunov Convergence Analysis for Asymptotic Tracking Using Forward and Backward Euler Approximation of Discrete Differential Equations
  3. Distinguishing state variability from trait change in longitudinal data
  4. Return of Fibonacci random walks
  5. A Switching Cascade Sliding PID-PID Controllers Combined with a Feedforward and an MPC for an Actuator in Camless Internal Combustion Engines
  6. Appendix A: Design, implementation, and analysis of the iGOES project
  7. Evaluation of Time/Phase Parameters in Frequency Measurements for Inertial Navigation Systems
  8. Investigation and modeling of the material behavior due to evolving dislocation microstructures in fcc and bcc metals
  9. Dynamic environment modelling and prediction for autonomous systems
  10. An expert-based reference list of variables for characterizing and monitoring social-ecological systems
  11. Towards a Bayesian Student Model for Detecting Decimal Misconceptions
  12. Considerations on efficient touch interfaces - How display size influences the performance in an applied pointing task
  13. For a return to the forgotten formula: 'Data 1 + Data 2 > Data 1'
  14. Efficient and accurate ℓ p-norm multiple kernel learning
  15. Cognitive Predictors of Child Second Language Comprehension and Syntactic Learning
  16. Optimizing price levels in e-commerce applications with respect to customer lifetime values
  17. Implementing ERP systems in multinational projects
  18. Efficient Order Picking Methods in Robotic Mobile Fulfillment Systems
  19. Mathematics in Robot Control for Theoretical and Applied Problems
  20. Linux-based Embedded System for Wavelet Denoising and Monitoring of sEMG Signals using an Axiomatic Seminorm
  21. Advances in Dynamics, Optimization and Computation
  22. Control of the inverse pendulum based on sliding mode and model predictive control
  23. A Cross-Classified CFA-MTMM Model for Structurally Different and Nonindependent Interchangeable Methods
  24. Topic Embeddings – A New Approach to Classify Very Short Documents Based on Predefined Topics
  25. Experiments on the Fehrer-Raab effect and the ‘Weather Station Model’ of visual backward masking
  26. PI and Fuzzy Controllers for Non-Linear Systems
  27. Applications of the Simultaneous Modular Approach in the Field of Material Flow Analysis
  28. TRY plant trait database – enhanced coverage and open access
  29. Second language learners' performance in mathematics
  30. Semantic Evaluation Services for Web-Based Exercises
  31. Switching between reading tasks leads to phase-transitions in reading times in L1 and L2 readers
  32. Towards an open question answering architecture
  33. Multilayer neural networks
  34. Criticality and Values in Digital Transformation Research: Insights from a Workshop