A machine learning-based surrogate model for optimization of truss structures with geometrically nonlinear behavior
Abstract Design optimization of geometrically nonlinear structures is well known as a
computationally expensive problem by using incremental-iterative solution techniques. To …
computationally expensive problem by using incremental-iterative solution techniques. To …
Development of a standard calibration procedure for the DEM parameters of cohesionless bulk materials–Part II: Efficient optimization-based calibration
The numerical complexity of Discrete Element Method (DEM) simulations generally forces
an idealisation of DEM models, making the calibration process the key to realistic simulation …
an idealisation of DEM models, making the calibration process the key to realistic simulation …
Understanding the effect of hyperparameter optimization on machine learning models for structure design problems
To relieve the computational cost of design evaluations using expensive finite element (FE)
simulations, surrogate models have been widely applied in computer-aided engineering …
simulations, surrogate models have been widely applied in computer-aided engineering …
Defect-Driven topology optimization for fatigue design of additive manufacturing structures: Application on a real industrial aerospace component
CB Niutta, A Tridello, G Barletta, N Gallo… - Engineering Failure …, 2022 - Elsevier
In this paper, a generalized formulation of defect-driven topology optimization (TO) for
fatigue design, named TopFat, is proposed, where the first principal stress, that causes the …
fatigue design, named TopFat, is proposed, where the first principal stress, that causes the …
A boundary identification approach for the feasible space of structural optimization using a virtual sampling technique-based support vector machine
H Cao, H Li, W Sun, Y Xie, B Huang - Computers & Structures, 2023 - Elsevier
To improve the computational efficiency of structural optimization, this study treats the
feasibility evaluation of the solutions as a two-class classification problem and proposes a …
feasibility evaluation of the solutions as a two-class classification problem and proposes a …
Design space exploration and optimization using self-organizing maps
Identifying regions of interest (RoI) in the design space is extremely useful while building
metamodels with limited computational budget. Self-organizing maps (SOM) are used as a …
metamodels with limited computational budget. Self-organizing maps (SOM) are used as a …
Multidisciplinary design optimization for hybrid electric vehicles: component sizing and multi-fidelity frontal crashworthiness
PG Anselma, CB Niutta, L Mainini… - Structural and …, 2020 - Springer
The electrification of road vehicle powertrains has recently gained growing interest
worldwide as an effective solution to comply tightening regulations on CO2 emissions. In …
worldwide as an effective solution to comply tightening regulations on CO2 emissions. In …
Data-driven feasibility analysis for the integration of planning and scheduling problems
LS Dias, MG Ierapetritou - Optimization and Engineering, 2019 - Springer
A framework for the integration of planning and scheduling using data-driven methodologies
is proposed. First, the constraints at the planning level related to the scheduling problem are …
is proposed. First, the constraints at the planning level related to the scheduling problem are …
Escaping unknown discontinuous regions in blackbox optimization
C Audet, A Batailly, S Kojtych - SIAM Journal on Optimization, 2022 - SIAM
The design of key nonlinear systems often requires the use of expensive blackbox
simulations presenting inherent discontinuities whose positions in the variable space cannot …
simulations presenting inherent discontinuities whose positions in the variable space cannot …
Robust design optimization for enhancing delamination resistance of composites
Recent developments in the field of computational modeling of fracture have opened up
possibilities for designing structures against failure. A special case, called interfacial fracture …
possibilities for designing structures against failure. A special case, called interfacial fracture …