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Hillert Materials Modeling Tutorial series

DAMASK Tutorial

Dr. Xiaoqing Li and Dr. Tim Fischer demonstrates how the Düsseldorf Advanced Material Simulation Kit (DAMASK) provides a flexible, easy-to-use and open-source multiphysics extension of the crystal plasticity method.

Time: Tue 2022-10-11 14.00 - 16.00

Language: English

Participating: Dr. Xiaoqing Li and Dr. Tim Fischer

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Crystal plasticity modelling is a powerful and well-established tool in computational materials science for studying the mechanical structure-property relationships in single-crystal or polycrystalline materials. Various micromechanical phenomena, such as strain hardening in single crystals or texture evolution in polycrystalline aggregates can be successfully analysed with this approach.

The Düsseldorf Advanced Material Simulation Kit (DAMASK) provides a flexible, easy-to-use and open-source multiphysics extension of the crystal plasticity method. It is highly modular and allows the use and straightforward implementation of different types of constitutive lawsfor elasticity, plasticity, damage, phase transformation, and heat generation amongother coupled multi-physical processesand numerical solvers (finite element-or spectral-based). In general, the constitutive laws linking deformation and stress at each material point are used to solve continuum mechanical boundary value problems.

The DAMASK software package also provides a library for the pre-and post-processing of the crystal plasticity-based predictions. In conjunction with other microstructure generation and data analysis software (e.g. Neperor MTEX), the software is best used. Since the release of its first version about ten years ago, the number of DAMASK users from all over the world has been growing steadily.

Teachers

Xiaoqing Li is a full-time researcher at the Department of Materials Science and Engineering, ITM, KTH Stockholm.She got PhD from KTH Stockholm in 2015 after which she stayed one year at Uppsala University as a postdoc. During 2017-2019, she was an international postdoc in the US, Hungary, and Sweden. Her main research field is mechanical properties of metallic structural and functional materials, and developing theoretical and computational tools. She has been active in connecting atomistic calculations with experimental measurements using multi-physics simulation tools, e.g., DAMASK, to develop advanced metallic materials towards desired mechanical properties by exploring the relationship between materials’ properties and structure.

Tim Fischer studied mechanical engineering at University of Stuttgart. After his doctorate 2021 at Technical University of Munich, he joined the KTH Royal Institute of Technology as postdoctoral researcher. His interests are in the two disciplines mechanics of materials and materials science. For bridging the two disciplines, he employs the open-source crystal plasticity simulation package DAMASK.

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The tutorial is organized together with Center for Mechanics and Materials Design (MMD) mmd.center.kth.se