Efficient quantification of material uncertainties in reliability-based topology optimization using random matrices

A Vishwanathan, GA Vio - Computer Methods in Applied Mechanics and …, 2019 - Elsevier
A popular approach for dealing with randomness in Topology Optimization (TO) is using a
Reliability-Based Topology Optimization (RBTO) routine, where a constraint is placed on the …

Numerical and experimental assessment of random matrix theory to quantify uncertainty in aerospace structures

A Vishwanathan, GA Vio - Mechanical Systems and Signal Processing, 2019 - Elsevier
The increased complexities of modernized structures have catalyzed additional research
over the past few decades to accurately quantify the variabilities within static designs, which …

On the effect of boundary condition uncertainty on robust topology optimization of aerospace structures

A Vishwanathan, GA Vio, T Kipouros… - Finite Elements in Analysis …, 2021 - Elsevier
Uncertainty quantification (UQ) within topology optimization (TO) is a growing trend, with
designers recognizing that deterministic analysis does not reflect the natural variabilities …

Aeroelastic tailoring of composite rudder skin considering variable angle tow laminates by a hybrid backtracking search-JAYA-Sine Cosine Algorithm

B Li, P Jin, C Ji - Mechanics of Advanced Materials and Structures, 2024 - Taylor & Francis
Flutter is a typical dynamic instability phenomenon of the wing or rudder structure. Besides,
the phenomenon of aerodynamic heating will be quite significant and temperature can rise …

Experimental and parametric study on uncertainty quantification within topology optimization utilizing non-intrusive polynomial chaos theory

A Vishwanathan, D Munk, GA Vio - AIAA SciTech 2019 Forum, 2019 - arc.aiaa.org
S topology optimization is a rapidly expanding field of engineering research. The goal of
such optimization is to find a layout of material within a given design domain that maximizes …

New approaches to inverse structural modification theory using random projections

P Cheema, MM Alamdari, GA Vio - Topics in Modal Analysis & Testing …, 2020 - Springer
In many contexts the modal properties of a structure change, either due to the impact of a
changing environment, fatigue, or due to the presence of structural damage. For example …

Considering boundary condition uncertainty for robust topology optimization of flat plates

A Vishwanathan, GA Vio, T Kipouros - AIAA Scitech 2020 Forum, 2020 - arc.aiaa.org
Uncertainty quantification (UQ) within topology optimization (TO) is a growing trend with
designers recognizing that deterministic analysis does not reflect the natural variabilities …

Uncertainty quantification methods for evolutionary optimization under uncertainty

PS Palar, K Shimoyama, LR Zuhal - Proceedings of the 2020 Genetic …, 2020 - dl.acm.org
In this paper, we discuss the role of uncertainty quantification (UQ) in assisting optimization
under uncertainty. UQ plays a significant role in quantifying the robustness of solutions so as …

[引用][C] On the efficacy of random matrix theory to quantify uncer-tainty in topology optimisation

A Vishwanathan, GA Vio - 7th International Conference on Uncertainty in …, 2018