Structural optimization 40 Shape optimization 8 Structural optimisations 8 Computational fluid dynamics 6 Topology 6 Multiobjective optimization 5 Structural design 5 Structure optimization 5 Topology optimisation 5 structural optimization 5 Condition 4 History of engineering and technology 4 Optimisations 4 Sensitivity analysis 4 Technology: general issues 4 China 3 Drops 3 Efficiency 3 Finite element method 3 Flow fields 3 Genetic algorithms 3 Geometry 3 Monte Carlo methods 3 Multi-objectives optimization 3 Performance 3 Pressure drop 3 Stochastic systems 3 Uncertainty 3 computational fluid dynamics 3 machine learning 3