Kriging-assisted topology optimization of crash structures

E Raponi, M Bujny, M Olhofer, N Aulig, S Boria… - Computer Methods in …, 2019 - Elsevier
Over the recent decades, Topology Optimization (TO) has become an important tool in the
design and analysis of mechanical structures. Although structural TO is already used in …

Evolutionary black-box topology optimization: Challenges and promises

D Guirguis, N Aulig, R Picelli, B Zhu… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Black-box topology optimization (BBTO) uses evolutionary algorithms and other soft
computing techniques to generate near-optimal topologies of mechanical structures …

High dimensional Bayesian optimization assisted by principal component analysis

E Raponi, H Wang, M Bujny, S Boria… - Parallel Problem Solving …, 2020 - Springer
Bayesian Optimization (BO) is a surrogate-assisted global optimization technique that has
been successfully applied in various fields, eg, automated machine learning and design …

Topology optimization of 3D-printed joints under crash loads using evolutionary algorithms

M Bujny, M Olhofer, N Aulig, F Duddeck - Structural and Multidisciplinary …, 2021 - Springer
In order to take full advantage of the enormous design freedom offered by Additive
Manufacturing (AM) technologies, the use of Topology Optimization (TO) methods becomes …

Methodology for parameter identification on a thermoplastic composite crash absorber by the Sequential Response Surface Method and Efficient Global Optimization

E Raponi, D Fiumarella, S Boria, A Scattina… - Composite …, 2021 - Elsevier
Numerical simulations for crashworthiness require the definition of material properties that
are not always predictable with standard experimental tests. This paper deals with the …

Constraining 3D geometric gravity inversion with 2D reflection seismic profile using a generalized level-set approach: application to Eastern Yilgarn craton

M Rashidifard, J Giraud, M Lindsay… - Solid Earth …, 2021 - se.copernicus.org
One of the main tasks in 3D geological modelling is the boundary parametrization of the
subsurface from geological observations and geophysical inversions. Several approaches …

Identification of optimal topologies for continuum structures using metaheuristics: a comparative study

P Rostami, J Marzbanrad - Archives of Computational Methods in …, 2021 - Springer
The development of low dimensional explicit based topology optimization approaches such
as moving morphable components method increased the hopes to develop and expand …

Cooperative coevolutionary topology optimization using moving morphable components

P Rostami, J Marzbanrad - Engineering Optimization, 2021 - Taylor & Francis
This study aims to complement well-established methods based on gradients, such as
standard level-set optimization or density-based methods, and extend the field where …

Learning-based topology variation in evolutionary level set topology optimization

M Bujny, N Aulig, M Olhofer, F Duddeck - Proceedings of the genetic and …, 2018 - dl.acm.org
The main goal in structural Topology Optimization is to find an optimal distribution of material
within a defined design domain, under specified boundary conditions. This task is frequently …

Hybrid algorithms for handling the numerical noise in topology optimization

P Rostami, J Marzbanrad - Acta Mechanica Sinica, 2020 - Springer
This paper presents new hybrid methods for the identification of optimal topologies by
combining the teaching–learning based optimization (TLBO) and the method of moving …