Automated simulation of voxel-based microstructures based on enhanced finite cell approach
- A new and efficient method is proposed for the decomposition of finite elements into finite subcells, which are used to obtain an integration scheme allowing to analyse complex microstructure morphologies in regular finite element discretizations. Since the geometry data of reconstructed microstructures are often given as voxel data, it is reasonable to exploit the special properties of the given data when constructing the subcells, i.e. the perpendicularly cornered shape of the constituent interfaces at the microscale. Thus, in order to obtain a more efficient integration scheme, the proposed method aims to construct a significantly reduced number of subcells by aggregating as much voxels as possible to larger cuboids. The resulting methods are analysed and compared with the conventional Octree algorithm. Eventually, the proposed optimal decomposition method is used for a virtual tension test on a reconstructed three-dimensional microstructure of a dual-phase steel, which is afterwards compared to real experimental data.
| Author: | Yannick F. FangyeORCiDGND, Niklas MiskaORCiDGND, Daniel BalzaniORCiDGND |
|---|---|
| URN: | urn:nbn:de:hbz:294-79634 |
| DOI: | https://doi.org/10.1007/s00419-020-01719-x |
| Parent Title (English): | Archive of applied mechanics |
| Publisher: | Springer Nature |
| Place of publication: | Berlin |
| Document Type: | Article |
| Language: | English |
| Date of Publication (online): | 2021/03/18 |
| Date of first Publication: | 2020/07/01 |
| Publishing Institution: | Ruhr-Universität Bochum, Universitätsbibliothek |
| Tag: | Dual-phase steel; Finite cells; Multiscale simulation; Voxel-based microstructures |
| Volume: | 90 |
| First Page: | 2255 |
| Last Page: | 2273 |
| Note: | Dieser Beitrag ist auf Grund des DEAL-Springer-Vertrages frei zugänglich. |
| Institutes/Facilities: | Lehrstuhl für Kontinuumsmechanik |
| Dewey Decimal Classification: | Technik, Medizin, angewandte Wissenschaften / Ingenieurbau, Umwelttechnik |
| open_access (DINI-Set): | open_access |
| faculties: | Fakultät für Bau- und Umweltingenieurwissenschaften |
| Licence (English): |  Creative Commons - CC BY 4.0 - Attribution 4.0 International |
