Engineering design 45 Mathematical models 43 Mathematical optimization 11 Nonlinear systems 7 Differential equations, Nonlinear 4 Statistical methods 4 Data processing 3 Automatic control 2 Automatic machinery 2 Automation 2 Computer programs 2 Computer-aided design 2 Design and construction 2 Manufacturing industries 2 Mechanics, Applied 2 Production planning 2 Software 2 Structural optimization 2 Systems engineering 2 Cluster analysis 1 Combinatorial optimization 1 Computer science 1 Data mining 1 Engineering mathematics 1 Heuristic programming 1 Production management 1