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Review: Inelastic Constitutive Modeling: Polycrystalline Materials
Mirza Baig1, Josiah Owusu-Danquah1, Anne A Campbell2
1Department of Civil and Environmental Engineering, Washkewicz College of Engineering, Cleveland State University, Cleveland, OH 44115, USA.
Materials (Basel, Switzerland)
|May 13, 2023
Summary
This review details inelastic constitutive modeling for polycrystalline materials, highlighting unified viscoplasticity models. These models offer advantages by integrating creep and plasticity under boundary conditions for improved material simulation.
Area of Science:
- Materials Science
- Mechanical Engineering
- Computational Mechanics
Background:
- Inelastic constitutive modeling is crucial for understanding polycrystalline material behavior.
- Existing models include classic plasticity and time-dependent unified approaches.
- Microstructural nonlinearities require sophisticated modeling techniques.
Purpose of the Study:
- To review the development of inelastic constitutive models for polycrystalline materials.
- To emphasize the theoretical framework of unified viscoplasticity models.
- To highlight the advantages of unified approaches in material modeling.
Main Methods:
- Literature review of inelastic constitutive modeling.
- Distinguishing between microstructural, classic plasticity, and unified models.
- Focus on the theoretical underpinnings of unified viscoplasticity.
Main Results:
- Unified viscoplasticity models treat creep and plasticity as results of boundary conditions.
- These models offer improved material modeling capabilities.
- Recent techniques bridge the gap between microstructural and continuum scales.
Conclusions:
- Unified models provide a more integrated approach to inelastic material behavior.
- Understanding the theoretical framework enhances model development.
- Advances in constitutive modeling are connecting microstructural phenomena to macroscopic behavior.
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