Reduced FFT-Based Simulation of a Mechanically Loaded Clustered Microstructure Using an Adaptive Set of Fourier Modes
Key engineering materials, vol. 926, pp. 2285–2292
Abstract
Processes, such as deep rolling or induction hardening, have a remarkable influence on the material properties within the surface layer of a work piece. Our overall goal is to develop efficient two-scale methods, which are able to show the microstructural evolution of the machined material. The calculation of a spatially resolved microstructure comes along with a high computational effort. To reduce the computational costs, we combine a clustered description of the structure [1] with a model order reduction technique for the performed fast Fourier transformations (FFT) [2]. We choose a reduced set of Fourier modes, which is adapted to the underlying microstructure and thus based on the occurring strain field [3]. By that, we analyze the influence of a mechanical impact on an elasto-plastically deforming material.
Authors 5
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Affiliation as printed
RWTH Aachen University
Institute of Applied Mechanics, RWTH Aachen University, Aachen, Germany
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Affiliation as printed
RWTH Aachen University
Institute of Applied Mechanics, RWTH Aachen University, Aachen, Germany
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Affiliation as printed
RWTH Aachen University
Institute of Applied Mechanics, RWTH Aachen University, Aachen, Germany
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Affiliation as printed
RWTH Aachen University
Material Mechanics, RWTH Aachen University, Aachen, Germany
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Affiliation as printed
RWTH Aachen University
Institute of Applied Mechanics, RWTH Aachen University, Aachen, Germany
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