Machine learning based topology optimization of fiber orientation for variable stiffness composite structures

Y Xu, Y Gao, C Wu, J Fang, G Sun… - … Journal for Numerical …, 2021 - Wiley Online Library
This study proposes a machine learning (ML) based approach for optimizing fiber
orientations of variable stiffness carbon fiber reinforced plastic (CFRP) structures, where …

Determining diffusion coefficients of coal particles by solving the inverse problem based on the data of methane desorption measurements

Q Liu, J Wang, J Liu, Q Yang, W Huang, Y Liu, L Wang - Fuel, 2022 - Elsevier
The diffusion coefficient is the key parameter been used to evaluate the methane diffusion
behavior. Generally, the diffusion coefficient is determined by analytical solutions, including …

Three-dimensional conductive heat transfer topology optimisation in a cubic domain for the volume-to-surface problem

FH Burger, J Dirker, JP Meyer - International Journal of Heat and Mass …, 2013 - Elsevier
In this paper, three-dimensional topology optimisation was investigated with regard to heat
conduction for the volume-to-point or volume-to-surface problem in a cubic three …

Structural topological optimization with dynamic fatigue constraints subject to dynamic random loads

L Zhao, B Xu, Y Han, J Xue, J Rong - Engineering Structures, 2020 - Elsevier
More attention has been attracted to engineering structural design on fatigue failure, while
few works are devoted to topology optimizations considering dynamic fatigue failure under …

Topological optimization design of structures under random excitations using SQP method

JH Rong, ZL Tang, YM **e, FY Li - Engineering Structures, 2013 - Elsevier
More and more stringent structural performance requirements are imposed in advanced
engineering application, only a limited number of works have been devoted to the topology …

Continuum structural topological optimization with dynamic stress response constraints

L Zhao, B Xu, Y Han, J Rong - Advances in Engineering Software, 2020 - Elsevier
This paper proposes a methodology for the topology optimization of continuum structures
subject to dynamic stress response constraints under stochastic loads. The topology …

An efficient second-order SQP method for structural topology optimization

S Rojas-Labanda, M Stolpe - Structural and Multidisciplinary Optimization, 2016 - Springer
This article presents a Sequential Quadratic Programming (SQP) solver for structural
topology optimization problems named TopSQP. The implementation is based on the …

[HTML][HTML] Enhanced sequential approximate programming using second order reliability method for accurate and efficient structural reliability-based design optimization

Z Meng, H Zhou, H Hu, B Keshtegar - Applied Mathematical Modelling, 2018 - Elsevier
Second-order reliability method (SORM) can provide sufficient accuracy for evaluating the
probabilistic constraints in reliability-based design optimization (RBDO). However, the …

An algorithm for the topology optimization of geometrically nonlinear structures

FAM Gomes, TA Senne - International Journal for numerical …, 2014 - Wiley Online Library
Most papers on topology optimization consider that there is a linear relation between the
strains and displacements of the structure, implicitly assuming that the displacements of the …

On using a gradient-based method for heliostat field layout optimization

SL Lutchman, AA Groenwold, P Gauché, S Bode - Energy Procedia, 2014 - Elsevier
The most widely used methods for heliostat field optimization assume a particular pattern
and then optimize the parameters that define the pattern to obtain a specified objective such …