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Abstract
The article presents an efficient solution method for structural topology optimization aimed at maximizing the fundamental frequency of vibration. Nowadays, this is still a challenging problem mainly because of the high computational cost required by spectral analyses. The proposed method relies on replacing the eigenvalue problem with a frequency response one, which can be tuned and efficiently solved by a multilevel procedure. Connections of the method with multigrid eigenvalue solvers are discussed in details. Several applications demonstrating more than 90% savings of the computational time are presented as well.
Original language | English |
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Journal | International Journal for Numerical Methods in Engineering |
Volume | 115 |
Issue number | 7 |
Pages (from-to) | 872-892 |
Number of pages | 21 |
ISSN | 0029-5981 |
DOIs | |
Publication status | Published - 2018 |
Keywords
- Eigenvalue optimization
- Fast solvers
- Large‐scale problems
- Topology optimization
- Vibrations
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InnoTop: InnoTop, Interactive, Non-Linear, High-Resolution Topology Optimization
Sigmund, O., Carlberg, L. K., Aage, N., Andreasen, C. S., Wang, F., Bærentzen, J. A. & Miladinovic, K. S.
01/09/2017 → 31/08/2023
Project: Research